Duke Energy Corporation (Holding Company) vs Exelon Corporation
WatchlistDUK / EXCPrices through Nov 10, 2026
Why these are rivals: #1 and #3 by market value ($99B vs $47B) in Nasdaq's "Power Generation" industry; SEC SIC 4931 / 4931 (same major group); #1 and #3 by market value ($99B vs $47B) with SEC SIC 4931 (Electric & Other Services Combined).
Rivals, but right now the price gap does not have a measured habit of closing, so there is no paper idea, whatever the gap.
- Mean reversion: ADF t-statistic of the spread: -2.83 (needs <= -2.873 (5% critical value))
Business leadership
DUK is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | DUK | EXC | Larger |
|---|---|---|---|
| 2025 | $31.7B | $24.3B | DUK |
| 2024 | $30.1B | $23.0B | DUK |
| 2023 | $28.7B | $21.7B | DUK |
| 2022 | $28.7B | $19.1B | DUK |
| 2021 | $24.5B | $17.9B | DUK |
| 2020 | $23.3B | $16.7B | DUK |
DUK led in every year with figures for both. Market value: DUK $98.6B, EXC $47.1B.
Stock leadership
DUK is ahead now
Measured against the pair's own last 252 trading days.
DUK leads EXC by 2.16 standard deviations: +4.1% over its usual price ratio. 9 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| DUK | +4.4% | +3.1% | +4.3% |
| EXC | +0.7% | +1.2% | -1.5% |
Relationship
Not a measured twin today
Only these tests can make a pair tradable on paper.
- Pass
- Aligned sessions: 2534 (needs >= 254)
- Pass
- Co-movement: daily return correlation, 252 sessions: 0.77 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -2.83 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 6.99 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
DUK Duke Energy Corporation (Holding Company) EXC Exelon CorporationPrice index, 100 = 2024-11-06. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
Spread z-score: DUK relative to EXC, against the 252 sessions before each day. Above 0: DUK ahead; below 0: EXC ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | DUK index | EXC index | z | Ahead |
|---|---|---|---|---|
| 2026-11-10 | 113.47 | 118.82 | +2.16 | DUK ahead |
| 2026-11-09 | 112.73 | 119.13 | +1.68 | DUK ahead |
| 2026-11-06 | 112.45 | 119.05 | +1.60 | DUK ahead |
| 2026-11-05 | 114.48 | 121.42 | +1.51 | DUK ahead |
| 2026-11-04 | 114.05 | 120.67 | +1.66 | DUK ahead |
| 2026-11-03 | 111.34 | 118.74 | +1.24 | DUK ahead |
| 2026-11-02 | 112.98 | 121.22 | +0.92 | DUK ahead |
| 2026-10-30 | 112.11 | 120.46 | +0.84 | DUK ahead |
| 2026-10-29 | 110.80 | 119.81 | +0.51 | DUK ahead |
| 2026-10-28 | 108.75 | 116.83 | +0.86 | DUK ahead |
| 2026-10-27 | 109.83 | 116.65 | +1.49 | DUK ahead |
| 2026-10-26 | 109.51 | 116.23 | +1.54 | DUK ahead |
| 2026-10-23 | 109.99 | 115.94 | +1.94 | DUK ahead |
| 2026-10-22 | 110.36 | 117.04 | +1.62 | DUK ahead |
| 2026-10-21 | 106.20 | 112.34 | +1.78 | DUK ahead |
| 2026-10-20 | 106.78 | 112.29 | +2.13 | DUK ahead |
| 2026-10-19 | 104.96 | 110.67 | +2.01 | DUK ahead |
| 2026-10-16 | 106.90 | 113.52 | +1.63 | DUK ahead |
| 2026-10-15 | 104.62 | 110.86 | +1.77 | DUK ahead |
| 2026-10-14 | 105.29 | 111.17 | +2.00 | DUK ahead |
| 2026-10-13 | 104.01 | 110.49 | +1.67 | DUK ahead |
| 2026-10-12 | 103.57 | 109.92 | +1.74 | DUK ahead |
| 2026-10-09 | 102.66 | 108.98 | +1.74 | DUK ahead |
| 2026-10-08 | 102.82 | 108.90 | +1.90 | DUK ahead |
| 2026-10-07 | 101.65 | 108.27 | +1.58 | DUK ahead |
| 2026-10-06 | 101.79 | 108.77 | +1.40 | DUK ahead |
| 2026-10-05 | 100.18 | 106.52 | +1.71 | DUK ahead |
| 2026-10-02 | 100.44 | 106.29 | +2.01 | DUK ahead |
| 2026-10-01 | 100.10 | 105.61 | +2.21 | DUK ahead |
| 2026-09-30 | 100.33 | 105.43 | +2.48 | DUK ahead |
| 2026-09-29 | 100.51 | 106.08 | +2.23 | DUK ahead |
| 2026-09-28 | 99.81 | 105.22 | +2.30 | DUK ahead |
| 2026-09-25 | 99.75 | 105.27 | +2.25 | DUK ahead |
| 2026-09-24 | 99.65 | 104.91 | +2.41 | DUK ahead |
| 2026-09-23 | 100.48 | 106.18 | +2.18 | DUK ahead |
| 2026-09-22 | 102.36 | 109.08 | +1.67 | DUK ahead |
| 2026-09-21 | 102.74 | 109.55 | +1.62 | DUK ahead |
| 2026-09-18 | 103.43 | 109.79 | +1.90 | DUK ahead |
| 2026-09-17 | 104.32 | 111.27 | +1.59 | DUK ahead |
| 2026-09-16 | 103.63 | 110.75 | +1.46 | DUK ahead |
| 2026-09-15 | 103.64 | 110.11 | +1.81 | DUK ahead |
| 2026-09-14 | 104.74 | 111.48 | +1.69 | DUK ahead |
| 2026-09-11 | 105.10 | 112.63 | +1.27 | DUK ahead |
| 2026-09-10 | 105.05 | 113.23 | +0.92 | DUK ahead |
| 2026-09-09 | 105.98 | 114.04 | +1.01 | DUK ahead |
| 2026-09-08 | 106.70 | 114.69 | +1.07 | DUK ahead |
| 2026-09-04 | 105.80 | 113.88 | +0.98 | DUK ahead |
| 2026-09-03 | 106.84 | 116.21 | +0.36 | near the usual relationship |
| 2026-09-02 | 106.10 | 114.74 | +0.68 | DUK ahead |
| 2026-09-01 | 105.95 | 114.38 | +0.78 | DUK ahead |
| 2026-08-31 | 105.53 | 114.09 | +0.68 | DUK ahead |
| 2026-08-28 | 105.83 | 114.64 | +0.56 | DUK ahead |
| 2026-08-27 | 106.35 | 114.72 | +0.80 | DUK ahead |
| 2026-08-26 | 107.27 | 115.97 | +0.67 | DUK ahead |
| 2026-08-25 | 107.01 | 115.63 | +0.70 | DUK ahead |
| 2026-08-24 | 107.34 | 115.71 | +0.83 | DUK ahead |
| 2026-08-21 | 105.47 | 114.25 | +0.55 | DUK ahead |
| 2026-08-20 | 107.97 | 117.59 | +0.24 | near the usual relationship |
| 2026-08-19 | 108.77 | 118.22 | +0.36 | near the usual relationship |
| 2026-08-18 | 109.12 | 118.24 | +0.52 | DUK ahead |
| 2026-08-17 | 108.76 | 118.92 | +0.01 | near the usual relationship |
| 2026-08-14 | 109.06 | 119.68 | -0.20 | near the usual relationship |
| 2026-08-13 | 109.56 | 119.00 | +0.37 | near the usual relationship |
| 2026-08-12 | 108.68 | 118.01 | +0.38 | near the usual relationship |
| 2026-08-11 | 108.41 | 117.09 | +0.67 | DUK ahead |
| 2026-08-10 | 106.65 | 116.13 | +0.22 | near the usual relationship |
| 2026-08-07 | 109.87 | 119.02 | +0.49 | near the usual relationship |
| 2026-08-06 | 109.04 | 118.27 | +0.42 | near the usual relationship |
| 2026-08-05 | 108.55 | 119.42 | -0.35 | near the usual relationship |
| 2026-08-04 | 109.36 | 119.62 | -0.04 | near the usual relationship |
| 2026-08-03 | 109.37 | 119.08 | +0.21 | near the usual relationship |
| 2026-07-31 | 110.38 | 119.57 | +0.49 | near the usual relationship |
| 2026-07-30 | 111.12 | 118.95 | +1.14 | DUK ahead |
| 2026-07-29 | 113.60 | 122.73 | +0.64 | DUK ahead |
| 2026-07-28 | 113.74 | 123.46 | +0.38 | near the usual relationship |
| 2026-07-27 | 113.38 | 123.04 | +0.39 | near the usual relationship |
| 2026-07-24 | 114.86 | 124.03 | +0.67 | DUK ahead |
| 2026-07-23 | 113.76 | 123.38 | +0.43 | near the usual relationship |
| 2026-07-22 | 112.60 | 121.87 | +0.55 | DUK ahead |
| 2026-07-21 | 110.81 | 119.75 | +0.62 | DUK ahead |
| 2026-07-20 | 110.75 | 119.94 | +0.52 | DUK ahead |
| 2026-07-17 | 110.01 | 120.72 | -0.21 | near the usual relationship |
| 2026-07-16 | 110.98 | 122.10 | -0.35 | near the usual relationship |
| 2026-07-15 | 109.43 | 119.36 | +0.11 | near the usual relationship |
| 2026-07-14 | 111.21 | 122.44 | -0.39 | near the usual relationship |
| 2026-07-13 | 111.64 | 122.89 | -0.38 | near the usual relationship |
| 2026-07-10 | 110.43 | 122.13 | -0.64 | EXC ahead |
| 2026-07-09 | 110.23 | 121.03 | -0.25 | near the usual relationship |
| 2026-07-08 | 111.58 | 123.38 | -0.64 | EXC ahead |
| 2026-07-07 | 112.84 | 124.14 | -0.36 | near the usual relationship |
| 2026-07-06 | 110.86 | 122.78 | -0.73 | EXC ahead |
| 2026-07-02 | 114.05 | 124.95 | -0.14 | near the usual relationship |
| 2026-07-01 | 110.68 | 120.72 | +0.10 | near the usual relationship |
| 2026-06-30 | 111.40 | 121.66 | +0.03 | near the usual relationship |
| 2026-06-29 | 112.94 | 123.04 | +0.16 | near the usual relationship |
| 2026-06-26 | 113.00 | 123.70 | -0.10 | near the usual relationship |
| 2026-06-25 | 111.86 | 122.00 | +0.10 | near the usual relationship |
| 2026-06-24 | 111.35 | 122.39 | -0.32 | near the usual relationship |
| 2026-06-23 | 110.05 | 121.66 | -0.64 | EXC ahead |
| 2026-06-22 | 108.70 | 119.89 | -0.51 | EXC ahead |
| 2026-06-18 | 109.00 | 119.55 | -0.21 | near the usual relationship |
| 2026-06-17 | 108.89 | 118.89 | +0.04 | near the usual relationship |
| 2026-06-16 | 110.94 | 121.58 | -0.17 | near the usual relationship |
| 2026-06-15 | 110.25 | 120.51 | -0.02 | near the usual relationship |
| 2026-06-12 | 109.98 | 120.59 | -0.19 | near the usual relationship |
| 2026-06-11 | 109.29 | 118.76 | +0.30 | near the usual relationship |
| 2026-06-10 | 110.04 | 119.02 | +0.56 | DUK ahead |
| 2026-06-09 | 108.97 | 118.29 | +0.36 | near the usual relationship |
| 2026-06-08 | 107.41 | 116.91 | +0.22 | near the usual relationship |
| 2026-06-05 | 109.32 | 119.39 | +0.03 | near the usual relationship |
| 2026-06-04 | 107.21 | 116.47 | +0.32 | near the usual relationship |
| 2026-06-03 | 106.52 | 117.64 | -0.57 | EXC ahead |
| 2026-06-02 | 106.57 | 117.43 | -0.45 | near the usual relationship |
| 2026-06-01 | 105.51 | 116.68 | -0.64 | EXC ahead |
| 2026-05-29 | 108.01 | 119.10 | -0.48 | near the usual relationship |
| 2026-05-28 | 108.91 | 118.95 | +0.05 | near the usual relationship |
| 2026-05-27 | 110.31 | 120.54 | +0.02 | near the usual relationship |
| 2026-05-26 | 109.98 | 120.12 | +0.05 | near the usual relationship |
| 2026-05-22 | 110.60 | 120.64 | +0.13 | near the usual relationship |
| 2026-05-21 | 109.71 | 118.35 | +0.73 | DUK ahead |
| 2026-05-20 | 108.96 | 117.09 | +0.94 | DUK ahead |
| 2026-05-19 | 109.62 | 116.44 | +1.57 | DUK ahead |
| 2026-05-18 | 108.11 | 114.74 | +1.63 | DUK ahead |
| 2026-05-15 | 106.44 | 113.20 | +1.54 | DUK ahead |
| 2026-05-14 | 109.40 | 115.87 | +1.78 | DUK ahead |
| 2026-05-13 | 109.04 | 115.53 | +1.78 | DUK ahead |
| 2026-05-12 | 110.07 | 117.38 | +1.44 | DUK ahead |
| 2026-05-11 | 109.92 | 115.32 | +2.36 | DUK ahead |
| 2026-05-08 | 109.28 | 114.59 | +2.42 | DUK ahead |
| 2026-05-07 | 109.89 | 115.89 | +2.13 | DUK ahead |
| 2026-05-06 | 110.48 | 117.48 | +1.68 | DUK ahead |
| 2026-05-05 | 112.28 | 120.51 | +1.17 | DUK ahead |
| 2026-05-04 | 112.16 | 121.63 | +0.61 | DUK ahead |
| 2026-05-01 | 113.17 | 121.35 | +1.24 | DUK ahead |
| 2026-04-30 | 114.01 | 120.02 | +2.26 | DUK ahead |
| 2026-04-29 | 111.34 | 122.70 | -0.23 | near the usual relationship |
| 2026-04-28 | 112.47 | 122.76 | +0.30 | near the usual relationship |
| 2026-04-27 | 111.85 | 121.58 | +0.52 | DUK ahead |
| 2026-04-24 | 112.00 | 122.44 | +0.23 | near the usual relationship |
| 2026-04-23 | 112.68 | 122.00 | +0.74 | DUK ahead |
| 2026-04-22 | 110.23 | 119.68 | +0.60 | DUK ahead |
| 2026-04-21 | 110.60 | 120.75 | +0.32 | near the usual relationship |
| 2026-04-20 | 112.52 | 121.09 | +1.07 | DUK ahead |
| 2026-04-17 | 112.67 | 122.70 | +0.47 | near the usual relationship |
| 2026-04-16 | 113.20 | 124.19 | +0.10 | near the usual relationship |
| 2026-04-15 | 112.63 | 124.95 | -0.44 | near the usual relationship |
| 2026-04-14 | 114.21 | 126.98 | -0.54 | EXC ahead |
| 2026-04-13 | 114.76 | 125.65 | +0.22 | near the usual relationship |
| 2026-04-10 | 115.98 | 126.75 | +0.32 | near the usual relationship |
| 2026-04-09 | 117.05 | 129.02 | -0.10 | near the usual relationship |
| 2026-04-08 | 115.81 | 128.31 | -0.34 | near the usual relationship |
| 2026-04-07 | 116.01 | 128.00 | -0.14 | near the usual relationship |
| 2026-04-06 | 115.65 | 127.71 | -0.17 | near the usual relationship |
| 2026-04-02 | 116.36 | 128.73 | -0.25 | near the usual relationship |
| 2026-04-01 | 115.20 | 127.56 | -0.29 | near the usual relationship |
| 2026-03-31 | 115.23 | 127.92 | -0.42 | near the usual relationship |
| 2026-03-30 | 115.91 | 128.16 | -0.22 | near the usual relationship |
| 2026-03-27 | 114.40 | 126.10 | -0.07 | near the usual relationship |
| 2026-03-26 | 113.86 | 126.30 | -0.38 | near the usual relationship |
| 2026-03-25 | 112.79 | 124.40 | -0.11 | near the usual relationship |
| 2026-03-24 | 112.10 | 123.41 | -0.02 | near the usual relationship |
| 2026-03-23 | 112.07 | 123.09 | +0.09 | near the usual relationship |
| 2026-03-20 | 111.60 | 121.19 | +0.64 | DUK ahead |
| 2026-03-19 | 114.18 | 125.29 | +0.14 | near the usual relationship |
| 2026-03-18 | 115.07 | 128.52 | -0.71 | EXC ahead |
| 2026-03-17 | 117.00 | 130.58 | -0.68 | EXC ahead |
| 2026-03-16 | 117.45 | 131.24 | -0.74 | EXC ahead |
| 2026-03-13 | 117.18 | 130.01 | -0.41 | near the usual relationship |
| 2026-03-12 | 116.01 | 129.12 | -0.56 | EXC ahead |
| 2026-03-11 | 114.43 | 127.45 | -0.60 | EXC ahead |
| 2026-03-10 | 114.13 | 127.90 | -0.90 | EXC ahead |
| 2026-03-09 | 115.36 | 128.24 | -0.51 | EXC ahead |
| 2026-03-06 | 116.61 | 128.81 | -0.21 | near the usual relationship |
| 2026-03-05 | 115.82 | 127.27 | +0.05 | near the usual relationship |
| 2026-03-04 | 116.06 | 128.52 | -0.32 | near the usual relationship |
| 2026-03-03 | 115.66 | 127.77 | -0.20 | near the usual relationship |
| 2026-03-02 | 115.84 | 128.31 | -0.33 | near the usual relationship |
| 2026-02-27 | 115.15 | 129.10 | -0.90 | EXC ahead |
| 2026-02-26 | 113.73 | 127.35 | -0.85 | EXC ahead |
| 2026-02-25 | 113.46 | 127.09 | -0.86 | EXC ahead |
| 2026-02-24 | 113.05 | 126.80 | -0.93 | EXC ahead |
| 2026-02-23 | 112.46 | 125.78 | -0.79 | EXC ahead |
| 2026-02-20 | 111.57 | 124.71 | -0.76 | EXC ahead |
| 2026-02-19 | 111.21 | 123.59 | -0.48 | near the usual relationship |
| 2026-02-18 | 110.22 | 123.28 | -0.78 | EXC ahead |
| 2026-02-17 | 111.51 | 125.37 | -1.02 | EXC ahead |
| 2026-02-13 | 112.82 | 126.51 | -0.90 | EXC ahead |
| 2026-02-12 | 110.98 | 124.09 | -0.77 | EXC ahead |
| 2026-02-11 | 110.18 | 116.00 | +2.09 | DUK ahead |
| 2026-02-10 | 108.81 | 116.49 | +1.28 | DUK ahead |
| 2026-02-09 | 107.12 | 114.74 | +1.26 | DUK ahead |
| 2026-02-06 | 107.24 | 115.68 | +0.92 | DUK ahead |
| 2026-02-05 | 108.61 | 114.98 | +1.81 | DUK ahead |
| 2026-02-04 | 107.55 | 113.34 | +2.04 | DUK ahead |
| 2026-02-03 | 107.08 | 114.85 | +1.19 | DUK ahead |
| 2026-02-02 | 105.16 | 114.59 | +0.44 | near the usual relationship |
| 2026-01-30 | 106.79 | 116.86 | +0.23 | near the usual relationship |
| 2026-01-29 | 106.39 | 115.89 | +0.44 | near the usual relationship |
| 2026-01-28 | 105.82 | 116.81 | -0.19 | near the usual relationship |
| 2026-01-27 | 105.86 | 116.99 | -0.24 | near the usual relationship |
| 2026-01-26 | 104.53 | 116.26 | -0.54 | EXC ahead |
| 2026-01-23 | 103.34 | 114.98 | -0.57 | EXC ahead |
| 2026-01-22 | 103.59 | 116.39 | -1.03 | EXC ahead |
| 2026-01-21 | 105.05 | 117.43 | -0.80 | EXC ahead |
| 2026-01-20 | 105.21 | 117.30 | -0.68 | EXC ahead |
| 2026-01-16 | 104.92 | 116.73 | -0.59 | EXC ahead |
| 2026-01-15 | 104.64 | 115.21 | -0.13 | near the usual relationship |
| 2026-01-14 | 104.44 | 113.78 | +0.35 | near the usual relationship |
| 2026-01-13 | 103.31 | 113.05 | +0.13 | near the usual relationship |
| 2026-01-12 | 102.71 | 111.95 | +0.30 | near the usual relationship |
| 2026-01-09 | 102.79 | 113.00 | -0.08 | near the usual relationship |
| 2026-01-08 | 103.25 | 113.39 | -0.05 | near the usual relationship |
| 2026-01-07 | 102.25 | 112.19 | -0.01 | near the usual relationship |
| 2026-01-06 | 103.62 | 114.41 | -0.29 | near the usual relationship |
| 2026-01-05 | 102.80 | 113.62 | -0.35 | near the usual relationship |
| 2026-01-02 | 103.35 | 114.61 | -0.49 | near the usual relationship |
| 2025-12-31 | 103.15 | 113.75 | -0.27 | near the usual relationship |
| 2025-12-30 | 103.56 | 114.61 | -0.42 | near the usual relationship |
| 2025-12-29 | 103.42 | 113.86 | -0.21 | near the usual relationship |
| 2025-12-26 | 103.12 | 113.67 | -0.27 | near the usual relationship |
| 2025-12-24 | 103.39 | 113.57 | -0.15 | near the usual relationship |
| 2025-12-23 | 102.78 | 113.41 | -0.33 | near the usual relationship |
| 2025-12-22 | 102.35 | 113.65 | -0.57 | EXC ahead |
| 2025-12-19 | 101.70 | 113.94 | -0.91 | EXC ahead |
| 2025-12-18 | 103.45 | 115.55 | -0.80 | EXC ahead |
| 2025-12-17 | 103.34 | 115.40 | -0.79 | EXC ahead |
| 2025-12-16 | 101.72 | 114.20 | -0.98 | EXC ahead |
| 2025-12-15 | 102.73 | 114.48 | -0.72 | EXC ahead |
| 2025-12-12 | 101.47 | 113.70 | -0.91 | EXC ahead |
| 2025-12-11 | 100.67 | 112.45 | -0.80 | EXC ahead |
| 2025-12-10 | 100.33 | 112.94 | -1.06 | EXC ahead |
| 2025-12-09 | 101.42 | 114.20 | -1.07 | EXC ahead |
| 2025-12-08 | 101.40 | 113.07 | -0.76 | EXC ahead |
| 2025-12-05 | 102.54 | 114.33 | -0.76 | EXC ahead |
| 2025-12-04 | 103.82 | 114.59 | -0.45 | near the usual relationship |
| 2025-12-03 | 104.39 | 116.23 | -0.72 | EXC ahead |
| 2025-12-02 | 105.33 | 117.43 | -0.76 | EXC ahead |
| 2025-12-01 | 106.27 | 119.23 | -0.96 | EXC ahead |
| 2025-11-28 | 109.07 | 122.96 | -1.10 | EXC ahead |
| 2025-11-26 | 108.62 | 121.53 | -0.89 | EXC ahead |
| 2025-11-25 | 107.30 | 119.47 | -0.75 | EXC ahead |
| 2025-11-24 | 107.45 | 120.64 | -1.00 | EXC ahead |
| 2025-11-21 | 108.07 | 119.39 | -0.54 | EXC ahead |
| 2025-11-20 | 107.84 | 118.50 | -0.39 | near the usual relationship |
| 2025-11-19 | 107.57 | 118.89 | -0.56 | EXC ahead |
| 2025-11-18 | 108.95 | 121.03 | -0.71 | EXC ahead |
| 2025-11-17 | 110.16 | 121.61 | -0.54 | EXC ahead |
| 2025-11-14 | 107.99 | 119.89 | -0.71 | EXC ahead |
| 2025-11-13 | 108.77 | 118.61 | -0.21 | near the usual relationship |
| 2025-11-12 | 109.04 | 119.86 | -0.44 | near the usual relationship |
| 2025-11-11 | 108.84 | 118.58 | -0.21 | near the usual relationship |
| 2025-11-10 | 108.18 | 118.63 | -0.39 | near the usual relationship |
| 2025-11-07 | 108.83 | 120.59 | -0.68 | EXC ahead |
| 2025-11-06 | 109.13 | 119.28 | -0.32 | near the usual relationship |
| 2025-11-05 | 108.92 | 120.43 | -0.63 | EXC ahead |
| 2025-11-04 | 108.98 | 121.03 | -0.75 | EXC ahead |
| 2025-11-03 | 108.84 | 120.56 | -0.69 | EXC ahead |
| 2025-10-31 | 109.39 | 120.35 | -0.52 | EXC ahead |
| 2025-10-30 | 110.19 | 122.83 | -0.87 | EXC ahead |
| 2025-10-29 | 109.38 | 123.17 | -1.14 | EXC ahead |
| 2025-10-28 | 110.58 | 124.48 | -1.14 | EXC ahead |
| 2025-10-27 | 112.20 | 125.44 | -0.97 | EXC ahead |
| 2025-10-24 | 112.09 | 125.35 | -0.98 | EXC ahead |
| 2025-10-23 | 112.00 | 124.22 | -0.77 | EXC ahead |
| 2025-10-22 | 113.55 | 125.55 | -0.70 | EXC ahead |
| 2025-10-21 | 112.94 | 125.26 | -0.79 | EXC ahead |
| 2025-10-20 | 113.47 | 125.89 | -0.80 | EXC ahead |
| 2025-10-17 | 113.11 | 124.69 | -0.64 | EXC ahead |
| 2025-10-16 | 112.12 | 123.59 | -0.65 | EXC ahead |
| 2025-10-15 | 113.24 | 124.82 | -0.65 | EXC ahead |
| 2025-10-14 | 112.49 | 123.64 | -0.59 | EXC ahead |
| 2025-10-13 | 110.97 | 122.26 | -0.65 | EXC ahead |
| 2025-10-10 | 111.78 | 122.83 | -0.59 | EXC ahead |
| 2025-10-09 | 109.75 | 121.76 | -0.84 | EXC ahead |
| 2025-10-08 | 110.21 | 121.66 | -0.72 | EXC ahead |
| 2025-10-07 | 110.50 | 122.10 | -0.75 | EXC ahead |
| 2025-10-06 | 109.46 | 119.23 | -0.39 | near the usual relationship |
| 2025-10-03 | 108.72 | 118.32 | -0.37 | near the usual relationship |
| 2025-10-02 | 106.99 | 117.35 | -0.57 | EXC ahead |
| 2025-10-01 | 107.71 | 117.59 | -0.46 | near the usual relationship |
| 2025-09-30 | 108.91 | 117.46 | -0.16 | near the usual relationship |
| 2025-09-29 | 108.07 | 115.53 | +0.06 | near the usual relationship |
| 2025-09-26 | 108.26 | 115.06 | +0.20 | near the usual relationship |
| 2025-09-25 | 107.65 | 114.25 | +0.23 | near the usual relationship |
| 2025-09-24 | 108.81 | 115.42 | +0.24 | near the usual relationship |
| 2025-09-23 | 108.33 | 115.42 | +0.12 | near the usual relationship |
| 2025-09-22 | 107.00 | 113.26 | +0.28 | near the usual relationship |
| 2025-09-19 | 106.56 | 113.28 | +0.17 | near the usual relationship |
| 2025-09-18 | 105.95 | 112.50 | +0.19 | near the usual relationship |
| 2025-09-17 | 106.57 | 112.81 | +0.26 | near the usual relationship |
| 2025-09-16 | 105.83 | 111.51 | +0.37 | near the usual relationship |
| 2025-09-15 | 107.69 | 113.34 | +0.39 | near the usual relationship |
| 2025-09-12 | 107.32 | 113.20 | +0.33 | near the usual relationship |
| 2025-09-11 | 107.46 | 113.52 | +0.29 | near the usual relationship |
| 2025-09-10 | 106.79 | 113.05 | +0.23 | near the usual relationship |
| 2025-09-09 | 105.94 | 112.45 | +0.15 | near the usual relationship |
| 2025-09-08 | 105.76 | 112.27 | +0.14 | near the usual relationship |
| 2025-09-05 | 106.14 | 113.34 | +0.00 | near the usual relationship |
| 2025-09-04 | 106.37 | 113.10 | +0.09 | near the usual relationship |
| 2025-09-03 | 106.93 | 113.20 | +0.18 | near the usual relationship |
| 2025-09-02 | 107.27 | 113.18 | +0.25 | near the usual relationship |
| 2025-08-29 | 107.80 | 113.99 | +0.20 | near the usual relationship |
| 2025-08-28 | 107.69 | 114.20 | +0.13 | near the usual relationship |
| 2025-08-27 | 108.84 | 115.84 | +0.04 | near the usual relationship |
| 2025-08-26 | 108.49 | 115.92 | -0.05 | near the usual relationship |
| 2025-08-25 | 108.34 | 116.39 | -0.18 | near the usual relationship |
| 2025-08-22 | 109.43 | 117.33 | -0.14 | near the usual relationship |
| 2025-08-21 | 109.25 | 116.49 | -0.03 | near the usual relationship |
| 2025-08-20 | 109.55 | 117.12 | -0.09 | near the usual relationship |
| 2025-08-19 | 108.93 | 116.75 | -0.15 | near the usual relationship |
| 2025-08-18 | 106.89 | 114.82 | -0.21 | near the usual relationship |
| 2025-08-15 | 107.76 | 116.34 | -0.32 | near the usual relationship |
| 2025-08-14 | 109.35 | 116.52 | -0.05 | near the usual relationship |
| 2025-08-13 | 110.63 | 118.03 | -0.09 | near the usual relationship |
| 2025-08-12 | 109.54 | 116.41 | -0.01 | near the usual relationship |
| 2025-08-11 | 110.50 | 116.68 | +0.12 | near the usual relationship |
| 2025-08-08 | 110.29 | 118.27 | -0.21 | near the usual relationship |
| 2025-08-07 | 110.82 | 118.84 | -0.21 | near the usual relationship |
| 2025-08-06 | 110.19 | 117.59 | -0.12 | near the usual relationship |
| 2025-08-05 | 109.13 | 116.62 | -0.15 | near the usual relationship |
| 2025-08-04 | 109.28 | 117.88 | -0.35 | near the usual relationship |
| 2025-08-01 | 108.17 | 116.57 | -0.33 | near the usual relationship |
| 2025-07-31 | 107.05 | 117.28 | -0.68 | EXC ahead |
| 2025-07-30 | 106.03 | 115.50 | -0.57 | EXC ahead |
| 2025-07-29 | 105.16 | 115.61 | -0.76 | EXC ahead |
| 2025-07-28 | 103.49 | 113.28 | -0.68 | EXC ahead |
| 2025-07-25 | 105.54 | 114.80 | -0.55 | EXC ahead |
| 2025-07-24 | 105.39 | 114.13 | -0.47 | near the usual relationship |
| 2025-07-23 | 105.17 | 113.49 | -0.40 | near the usual relationship |
| 2025-07-22 | 106.25 | 116.00 | -0.65 | EXC ahead |
| 2025-07-21 | 105.46 | 114.12 | -0.47 | near the usual relationship |
| 2025-07-18 | 104.22 | 113.26 | -0.56 | EXC ahead |
| 2025-07-17 | 103.37 | 112.08 | -0.52 | EXC ahead |
| 2025-07-16 | 103.66 | 111.82 | -0.43 | near the usual relationship |
| 2025-07-15 | 103.05 | 112.08 | -0.60 | EXC ahead |
| 2025-07-14 | 103.78 | 113.34 | -0.68 | EXC ahead |
| 2025-07-11 | 103.37 | 113.54 | -0.81 | EXC ahead |
| 2025-07-10 | 104.00 | 113.86 | -0.75 | EXC ahead |
| 2025-07-09 | 103.12 | 112.58 | -0.70 | EXC ahead |
| 2025-07-08 | 102.36 | 112.21 | -0.79 | EXC ahead |
| 2025-07-07 | 103.22 | 112.66 | -0.70 | EXC ahead |
| 2025-07-03 | 103.24 | 112.55 | -0.68 | EXC ahead |
| 2025-07-02 | 103.02 | 112.00 | -0.63 | EXC ahead |
| 2025-07-01 | 104.61 | 113.28 | -0.56 | EXC ahead |
| 2025-06-30 | 103.85 | 113.31 | -0.72 | EXC ahead |
| 2025-06-27 | 102.90 | 111.98 | -0.67 | EXC ahead |
| 2025-06-26 | 102.31 | 110.93 | -0.60 | EXC ahead |
| 2025-06-25 | 102.04 | 110.36 | -0.55 | EXC ahead |
| 2025-06-24 | 102.92 | 112.47 | -0.76 | EXC ahead |
| 2025-06-23 | 102.94 | 112.73 | -0.81 | EXC ahead |
| 2025-06-20 | 101.56 | 111.17 | -0.81 | EXC ahead |
| 2025-06-18 | 100.84 | 110.57 | -0.85 | EXC ahead |
| 2025-06-17 | 101.02 | 110.62 | -0.83 | EXC ahead |
| 2025-06-16 | 101.56 | 111.38 | -0.86 | EXC ahead |
| 2025-06-13 | 102.84 | 112.87 | -0.88 | EXC ahead |
| 2025-06-12 | 103.21 | 113.88 | -1.00 | EXC ahead |
| 2025-06-11 | 102.39 | 111.90 | -0.81 | EXC ahead |
| 2025-06-10 | 102.38 | 112.00 | -0.84 | EXC ahead |
| 2025-06-09 | 101.62 | 110.13 | -0.64 | EXC ahead |
| 2025-06-06 | 101.41 | 111.22 | -0.89 | EXC ahead |
| 2025-06-05 | 101.86 | 111.85 | -0.92 | EXC ahead |
| 2025-06-04 | 102.07 | 111.56 | -0.83 | EXC ahead |
| 2025-06-03 | 102.73 | 113.41 | -1.04 | EXC ahead |
| 2025-06-02 | 103.17 | 114.27 | -1.11 | EXC ahead |
| 2025-05-30 | 103.60 | 114.35 | -1.04 | EXC ahead |
| 2025-05-29 | 101.60 | 114.04 | -1.40 | EXC ahead |
| 2025-05-28 | 100.72 | 112.94 | -1.38 | EXC ahead |
| 2025-05-27 | 102.42 | 114.59 | -1.34 | EXC ahead |
| 2025-05-23 | 102.52 | 113.96 | -1.21 | EXC ahead |
| 2025-05-22 | 101.71 | 113.31 | -1.26 | EXC ahead |
| 2025-05-21 | 102.47 | 115.32 | -1.47 | EXC ahead |
| 2025-05-20 | 103.24 | 115.50 | -1.35 | EXC ahead |
| 2025-05-19 | 102.96 | 115.84 | -1.47 | EXC ahead |
| 2025-05-16 | 102.31 | 115.06 | -1.47 | EXC ahead |
| 2025-05-15 | 102.03 | 113.34 | -1.21 | EXC ahead |
| 2025-05-14 | 98.97 | 110.26 | -1.28 | EXC ahead |
| 2025-05-13 | 99.51 | 112.13 | -1.52 | EXC ahead |
| 2025-05-12 | 101.95 | 113.80 | -1.33 | EXC ahead |
| 2025-05-09 | 105.90 | 117.98 | -1.29 | EXC ahead |
| 2025-05-08 | 105.61 | 117.69 | -1.30 | EXC ahead |
| 2025-05-07 | 107.89 | 120.93 | -1.42 | EXC ahead |
| 2025-05-06 | 108.19 | 120.80 | -1.34 | EXC ahead |
| 2025-05-05 | 106.27 | 120.04 | -1.58 | EXC ahead |
| 2025-05-02 | 107.00 | 121.29 | -1.66 | EXC ahead |
| 2025-05-01 | 106.78 | 121.61 | -1.76 | EXC ahead |
| 2025-04-30 | 107.38 | 122.39 | -1.77 | EXC ahead |
| 2025-04-29 | 107.10 | 122.26 | -1.81 | EXC ahead |
| 2025-04-28 | 106.20 | 121.29 | -1.83 | EXC ahead |
| 2025-04-25 | 105.47 | 120.62 | -1.86 | EXC ahead |
| 2025-04-24 | 106.22 | 120.90 | -1.76 | EXC ahead |
| 2025-04-23 | 106.86 | 122.13 | -1.85 | EXC ahead |
| 2025-04-22 | 107.83 | 123.62 | -1.92 | EXC ahead |
| 2025-04-21 | 105.76 | 120.64 | -1.81 | EXC ahead |
| 2025-04-17 | 107.19 | 123.33 | -2.00 | EXC ahead |
| 2025-04-16 | 105.91 | 121.37 | -1.91 | EXC ahead |
| 2025-04-15 | 106.04 | 121.97 | -1.99 | EXC ahead |
| 2025-04-14 | 106.13 | 122.29 | -2.03 | EXC ahead |
| 2025-04-11 | 104.67 | 120.04 | -1.93 | EXC ahead |
| 2025-04-10 | 102.82 | 117.75 | -1.90 | EXC ahead |
| 2025-04-09 | 102.36 | 115.61 | -1.59 | EXC ahead |
| 2025-04-08 | 102.04 | 116.10 | -1.74 | EXC ahead |
| 2025-04-07 | 102.84 | 116.62 | -1.67 | EXC ahead |
| 2025-04-04 | 104.66 | 118.35 | -1.60 | EXC ahead |
| 2025-04-03 | 109.17 | 123.25 | -1.56 | EXC ahead |
| 2025-04-02 | 105.95 | 119.96 | -1.62 | EXC ahead |
| 2025-04-01 | 106.55 | 119.83 | -1.47 | EXC ahead |
| 2025-03-31 | 107.34 | 120.25 | -1.38 | EXC ahead |
| 2025-03-28 | 105.09 | 116.68 | -1.19 | EXC ahead |
| 2025-03-27 | 103.54 | 115.47 | -1.27 | EXC ahead |
| 2025-03-26 | 103.06 | 114.87 | -1.25 | EXC ahead |
| 2025-03-25 | 102.16 | 111.59 | -0.83 | EXC ahead |
| 2025-03-24 | 103.98 | 113.73 | -0.85 | EXC ahead |
| 2025-03-21 | 104.81 | 114.30 | -0.78 | EXC ahead |
| 2025-03-20 | 105.75 | 116.36 | -0.95 | EXC ahead |
| 2025-03-19 | 105.00 | 115.97 | -1.02 | EXC ahead |
| 2025-03-18 | 106.27 | 115.92 | -0.76 | EXC ahead |
| 2025-03-17 | 106.32 | 115.84 | -0.73 | EXC ahead |
| 2025-03-14 | 105.71 | 115.32 | -0.75 | EXC ahead |
| 2025-03-13 | 104.03 | 113.44 | -0.73 | EXC ahead |
| 2025-03-12 | 102.65 | 111.20 | -0.59 | EXC ahead |
| 2025-03-11 | 103.58 | 113.26 | -0.77 | EXC ahead |
| 2025-03-10 | 104.29 | 114.20 | -0.79 | EXC ahead |
| 2025-03-07 | 102.74 | 112.50 | -0.78 | EXC ahead |
| 2025-03-06 | 101.06 | 111.90 | -0.98 | EXC ahead |
| 2025-03-05 | 101.41 | 113.15 | -1.12 | EXC ahead |
| 2025-03-04 | 102.45 | 113.99 | -1.06 | EXC ahead |
| 2025-03-03 | 104.44 | 116.26 | -1.06 | EXC ahead |
| 2025-02-28 | 103.40 | 115.34 | -1.09 | EXC ahead |
| 2025-02-27 | 101.99 | 114.27 | -1.16 | EXC ahead |
| 2025-02-26 | 102.36 | 114.98 | -1.20 | EXC ahead |
| 2025-02-25 | 103.22 | 114.93 | -1.03 | EXC ahead |
| 2025-02-24 | 102.02 | 113.13 | -0.95 | EXC ahead |
| 2025-02-21 | 101.69 | 113.23 | -1.03 | EXC ahead |
| 2025-02-20 | 99.59 | 112.66 | -1.32 | EXC ahead |
| 2025-02-19 | 98.38 | 111.30 | -1.32 | EXC ahead |
| 2025-02-18 | 97.59 | 111.43 | -1.50 | EXC ahead |
| 2025-02-14 | 98.21 | 111.82 | -1.45 | EXC ahead |
| 2025-02-13 | 100.28 | 112.13 | -1.12 | EXC ahead |
| 2025-02-12 | 102.41 | 111.93 | -0.69 | EXC ahead |
| 2025-02-11 | 102.69 | 110.54 | -0.41 | near the usual relationship |
| 2025-02-10 | 101.73 | 109.08 | -0.34 | near the usual relationship |
| 2025-02-07 | 101.20 | 107.80 | -0.22 | near the usual relationship |
| 2025-02-06 | 100.78 | 107.31 | -0.21 | near the usual relationship |
| 2025-02-05 | 100.20 | 107.10 | -0.28 | near the usual relationship |
| 2025-02-04 | 98.94 | 105.79 | -0.29 | near the usual relationship |
| 2025-02-03 | 99.62 | 105.87 | -0.18 | near the usual relationship |
| 2025-01-31 | 98.56 | 104.38 | -0.11 | near the usual relationship |
| 2025-01-30 | 98.79 | 104.44 | -0.07 | near the usual relationship |
| 2025-01-29 | 97.35 | 103.26 | -0.14 | near the usual relationship |
| 2025-01-28 | 97.96 | 103.89 | -0.13 | near the usual relationship |
| 2025-01-27 | 99.11 | 106.21 | -0.32 | near the usual relationship |
| 2025-01-24 | 96.68 | 102.77 | -0.17 | near the usual relationship |
| 2025-01-23 | 96.22 | 102.40 | -0.19 | near the usual relationship |
| 2025-01-22 | 95.77 | 102.35 | -0.27 | near the usual relationship |
| 2025-01-21 | 97.48 | 105.53 | -0.51 | EXC ahead |
| 2025-01-17 | 96.15 | 102.87 | -0.29 | near the usual relationship |
| 2025-01-16 | 95.98 | 102.66 | -0.28 | near the usual relationship |
| 2025-01-15 | 93.68 | 99.22 | -0.10 | near the usual relationship |
| 2025-01-14 | 94.03 | 98.96 | +0.02 | near the usual relationship |
| 2025-01-13 | 93.41 | 98.02 | +0.08 | near the usual relationship |
| 2025-01-10 | 93.17 | 97.34 | +0.16 | near the usual relationship |
| 2025-01-08 | 95.25 | 99.66 | +0.14 | near the usual relationship |
| 2025-01-07 | 94.00 | 97.94 | +0.22 | near the usual relationship |
| 2025-01-06 | 93.61 | 98.64 | +0.01 | near the usual relationship |
| 2025-01-03 | 94.85 | 99.30 | +0.14 | near the usual relationship |
| 2025-01-02 | 94.89 | 98.28 | +0.34 | near the usual relationship |
| 2024-12-31 | 94.82 | 98.23 | +0.34 | near the usual relationship |
| 2024-12-30 | 94.79 | 98.20 | +0.34 | near the usual relationship |
| 2024-12-27 | 95.34 | 97.68 | +0.55 | DUK ahead |
| 2024-12-26 | 95.32 | 97.73 | +0.54 | DUK ahead |
| 2024-12-24 | 95.90 | 97.91 | +0.62 | DUK ahead |
| 2024-12-23 | 95.54 | 97.42 | +0.65 | DUK ahead |
| 2024-12-20 | 95.29 | 96.61 | +0.76 | DUK ahead |
| 2024-12-19 | 94.24 | 97.05 | +0.47 | near the usual relationship |
| 2024-12-18 | 93.07 | 95.41 | +0.56 | DUK ahead |
| 2024-12-17 | 94.95 | 95.30 | +0.95 | DUK ahead |
| 2024-12-16 | 94.55 | 94.52 | +1.04 | DUK ahead |
| 2024-12-13 | 95.77 | 96.22 | +0.95 | DUK ahead |
| 2024-12-12 | 96.07 | 96.11 | +1.02 | DUK ahead |
| 2024-12-11 | 96.44 | 95.93 | +1.13 | DUK ahead |
| 2024-12-10 | 97.78 | 97.39 | +1.11 | DUK ahead |
| 2024-12-09 | 98.44 | 97.70 | +1.17 | DUK ahead |
| 2024-12-06 | 98.65 | 98.77 | +1.02 | DUK ahead |
| 2024-12-05 | 100.33 | 99.11 | +1.26 | DUK ahead |
| 2024-12-04 | 99.69 | 98.77 | +1.21 | DUK ahead |
| 2024-12-03 | 100.01 | 99.53 | +1.14 | DUK ahead |
| 2024-12-02 | 101.36 | 100.13 | +1.26 | DUK ahead |
| 2024-11-29 | 103.01 | 103.24 | +1.03 | DUK ahead |
| 2024-11-27 | 103.34 | 103.11 | +1.10 | DUK ahead |
| 2024-11-26 | 103.00 | 103.05 | +1.06 | DUK ahead |
| 2024-11-25 | 101.21 | 102.11 | +0.93 | DUK ahead |
| 2024-11-22 | 100.94 | 101.02 | +1.06 | DUK ahead |
| 2024-11-21 | 101.08 | 102.58 | +0.85 | DUK ahead |
| 2024-11-20 | 100.10 | 101.07 | +0.92 | DUK ahead |
| 2024-11-19 | 99.96 | 102.04 | +0.77 | DUK ahead |
| 2024-11-18 | 99.92 | 102.37 | +0.71 | DUK ahead |
| 2024-11-15 | 98.72 | 102.06 | +0.59 | DUK ahead |
| 2024-11-14 | 97.40 | 99.48 | +0.77 | DUK ahead |
| 2024-11-13 | 97.96 | 99.53 | +0.84 | DUK ahead |
| 2024-11-12 | 98.46 | 99.58 | +0.91 | DUK ahead |
| 2024-11-11 | 98.97 | 100.21 | +0.89 | DUK ahead |
| 2024-11-08 | 99.65 | 99.45 | +1.09 | DUK ahead |
| 2024-11-07 | 97.76 | 99.40 | +0.85 | DUK ahead |
| 2024-11-06 | 100.00 | 100.00 | +1.07 | DUK ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Feb 12, 2026 (DUK +0.7%, EXC +7.0%); Apr 30, 2026 (DUK +2.4%, EXC -2.2%).
Paired trades
The shared paper book and the replay, kept apart
Forward paper record
| Legs | Signal | Entered | Status | Exit | Net |
|---|---|---|---|---|---|
| Long EXC · Short DUK | Oct 19, 2026 (2.01 sd) | Oct 20, 2026 | open | - | -$109.64 if closed now |
Historical simulation (a diagnostic, same rules)
2 simulated trades to Nov 3, 2026: -6.19% per trade on average after costs, 0 won. One simulated trade is still open (entered Sep 24, 2026).
| Legs | Entered | Exited | Why | Days | Before costs | Costs + borrow | After costs |
|---|---|---|---|---|---|---|---|
| Long DUK · Short EXC | Mar 8, 2023 | Jul 11, 2023 | divergence stop | 125 | -$411.33 | -$60.67 | -$448.88 (-4.49%) |
| Long DUK · Short EXC | Oct 1, 2021 | Nov 4, 2021 | divergence stop | 34 | -$729.88 | -$50.20 | -$789.98 (-7.90%) |
Per $10,000 a leg. A replay on today's companies cannot prove an edge.
The companies
DUK and EXC at a glance
DUK Duke Energy Corporation (Holding Company)
- Listing
- NYSE · SEC CIK 1326160
- Industry
- Power Generation · SIC 4931 Electric & Other Services Combined
- Market value
- $98.6B
- Price history
- 2,534 daily closes, Oct 12, 2016 to Nov 10, 2026
EXC Exelon Corporation
- Listing
- Nasdaq · SEC CIK 1109357
- Industry
- Power Generation · SIC 4931 Electric & Other Services Combined
- Market value
- $47.1B
- Price history
- 2,534 daily closes, Oct 12, 2016 to Nov 10, 2026
Daily prices: Nasdaq.com. Filings and industry codes: SEC EDGAR. Earnings dates: Nasdaq earnings calendar.
Related
All pairs →Other rivals of DUK and EXC
Follow the research behind the paper book
Boostio is a research-first platform in private beta: crypto candidates, daily market stories, public paper trading and now rival stocks. Exploring these pages stays free and open.
Explore the private betaPaper only: hypothetical paired positions with modelled costs. No broker, no orders, no real money. A historical simulation is a diagnostic, not proof of an edge. Not investment advice.
