Biotechnology: Laboratory Analytical Instruments

Agilent Technologies Inc. vs Waters Corporation

Measured twinA / WATPrices through Nov 10, 2026

Why these are rivals: #1 and #2 by market value ($49B vs $45B) in Nasdaq's "Biotechnology: Laboratory Analytical Instruments" industry; SEC SIC 3826 / 3826 (same major group); #1 and #2 by market value ($49B vs $45B) with SEC SIC 3826 (Laboratory Analytical Instruments).

The price gap between these two has a measured habit of closing. A 2 standard deviation gap becomes a paired paper idea.

  • no divergence: z = 0.33 (needs |z| >= 2.0)
Business leadership

A is the larger business

Annual revenue reported to the SEC. Scale, not market share.

YearAWATLarger
2025$6.9B$3.2BA
2024$6.5B$3.0BA
2023$6.8B$3.0BA
2022$6.8B$3.0BA
2021$6.3B$2.8BA
2020$5.3B$2.4BA

A led in every year with figures for both. Market value: A $49.5B, WAT $45.2B.

Stock leadership

A is ahead now

Measured against the pair's own last 252 trading days.

A leads WAT by 0.33 standard deviations: +1.5% over its usual price ratio. 4 lead switches in the last year.

Price change3 mo6 mo12 mo
A+20.0%+57.6%+21.2%
WAT+14.3%+35.0%+27.9%
Relationship

The gap has closed before

Only these tests can make a pair tradable on paper.

Pass
Aligned sessions: 2534 (needs >= 254)
Pass
Co-movement: daily return correlation, 252 sessions: 0.67 (needs >= 0.60)
Pass
Mean reversion: ADF t-statistic of the spread: -3.29 (needs <= -2.873 (5% critical value))
Pass
Speed: half-life of the spread, sessions: 7.85 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

A Agilent Technologies Inc. WAT Waters CorporationPrice index, 100 = 2024-11-06. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
80100120Nov 2024Nov 2025Nov 2026A 129WAT 123
Spread z-score: A relative to WAT, against the 252 sessions before each day. Above 0: A ahead; below 0: WAT ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopNov 2024Nov 2025Nov 2026
Data table (504 sessions)
DateA indexWAT indexzAhead
2026-11-10129.10122.97+0.33near the usual relationship
2026-11-09130.77123.28+0.56A ahead
2026-11-06126.84118.34+0.79A ahead
2026-11-05124.68117.17+0.62A ahead
2026-11-04128.59120.92+0.59A ahead
2026-11-03127.35118.93+0.72A ahead
2026-11-02124.83116.25+0.76A ahead
2026-10-30126.92119.66+0.48near the usual relationship
2026-10-29131.48124.15+0.44near the usual relationship
2026-10-28131.72123.32+0.60A ahead
2026-10-27128.82121.17+0.49near the usual relationship
2026-10-26127.71117.92+0.86A ahead
2026-10-23125.61117.32+0.61A ahead
2026-10-22126.21117.82+0.61A ahead
2026-10-21129.01118.30+0.95A ahead
2026-10-20125.57114.52+1.04A ahead
2026-10-19123.31112.30+1.05A ahead
2026-10-16125.54113.00+1.26A ahead
2026-10-15127.41114.86+1.22A ahead
2026-10-14126.29112.91+1.37A ahead
2026-10-13124.55110.99+1.42A ahead
2026-10-12124.35111.74+1.25A ahead
2026-10-09123.78112.18+1.07A ahead
2026-10-08122.06110.98+0.99A ahead
2026-10-07122.72112.75+0.78A ahead
2026-10-06122.90112.86+0.77A ahead
2026-10-05124.32113.82+0.81A ahead
2026-10-02121.77109.96+1.03A ahead
2026-10-01120.98110.04+0.89A ahead
2026-09-30125.06113.63+0.89A ahead
2026-09-29127.04114.63+1.00A ahead
2026-09-28127.17114.55+1.01A ahead
2026-09-25125.41112.12+1.13A ahead
2026-09-24125.45111.28+1.25A ahead
2026-09-23119.99108.76+0.88A ahead
2026-09-22121.40110.10+0.86A ahead
2026-09-21117.54109.63+0.40near the usual relationship
2026-09-18113.57109.04-0.08near the usual relationship
2026-09-17113.47111.13-0.40near the usual relationship
2026-09-16111.55108.26-0.27near the usual relationship
2026-09-15109.07107.86-0.57WAT ahead
2026-09-14106.55106.03-0.67WAT ahead
2026-09-11106.64105.60-0.60WAT ahead
2026-09-10103.88103.87-0.76WAT ahead
2026-09-09105.06104.69-0.71WAT ahead
2026-09-08106.58104.19-0.42near the usual relationship
2026-09-04109.49105.87-0.26near the usual relationship
2026-09-03108.85106.95-0.51WAT ahead
2026-09-02109.88106.60-0.33near the usual relationship
2026-09-01108.82104.95-0.25near the usual relationship
2026-08-31111.45107.23-0.21near the usual relationship
2026-08-28111.66107.24-0.19near the usual relationship
2026-08-27114.45108.94-0.06near the usual relationship
2026-08-26112.56107.11-0.06near the usual relationship
2026-08-25112.33107.18-0.11near the usual relationship
2026-08-24111.36106.22-0.11near the usual relationship
2026-08-21115.40106.21+0.42near the usual relationship
2026-08-20113.44104.65+0.38near the usual relationship
2026-08-19112.80107.54-0.11near the usual relationship
2026-08-18107.74103.77-0.26near the usual relationship
2026-08-17107.74105.44-0.50WAT ahead
2026-08-14107.80106.59-0.66WAT ahead
2026-08-13108.35106.94-0.64WAT ahead
2026-08-12107.59107.62-0.84WAT ahead
2026-08-11108.50107.32-0.68WAT ahead
2026-08-10107.94106.49-0.65WAT ahead
2026-08-07105.94105.22-0.75WAT ahead
2026-08-06102.58103.36-0.97WAT ahead
2026-08-05102.42103.44-1.01WAT ahead
2026-08-04101.03102.43-1.07WAT ahead
2026-08-03101.4796.91-0.21near the usual relationship
2026-07-31100.4397.57-0.47near the usual relationship
2026-07-30100.6798.35-0.55WAT ahead
2026-07-29101.8398.14-0.36near the usual relationship
2026-07-28102.0099.28-0.50WAT ahead
2026-07-27100.0895.99-0.30near the usual relationship
2026-07-24100.5796.89-0.37near the usual relationship
2026-07-23101.4298.89-0.54WAT ahead
2026-07-2296.8695.90-0.77WAT ahead
2026-07-2196.4395.05-0.71WAT ahead
2026-07-2094.5492.46-0.60WAT ahead
2026-07-1795.4195.42-0.93WAT ahead
2026-07-1698.7897.80-0.79WAT ahead
2026-07-1597.7796.96-0.82WAT ahead
2026-07-1498.1397.34-0.82WAT ahead
2026-07-1397.2996.52-0.82WAT ahead
2026-07-1097.4797.35-0.91WAT ahead
2026-07-0996.9697.53-1.01WAT ahead
2026-07-0893.6895.20-1.16WAT ahead
2026-07-0795.1896.96-1.19WAT ahead
2026-07-0694.7997.98-1.40WAT ahead
2026-07-0294.8598.09-1.40WAT ahead
2026-07-0196.8197.79-1.06WAT ahead
2026-06-3096.4196.99-1.00WAT ahead
2026-06-2996.4195.39-0.75WAT ahead
2026-06-2698.7296.82-0.62WAT ahead
2026-06-2598.3597.47-0.76WAT ahead
2026-06-2495.5495.47-0.87WAT ahead
2026-06-2391.9492.37-0.94WAT ahead
2026-06-2291.8192.65-1.00WAT ahead
2026-06-1892.2291.92-0.82WAT ahead
2026-06-1790.2492.32-1.18WAT ahead
2026-06-1693.1593.24-0.87WAT ahead
2026-06-1594.7892.52-0.52WAT ahead
2026-06-1294.2491.94-0.51WAT ahead
2026-06-1194.0393.03-0.70WAT ahead
2026-06-1095.5393.92-0.61WAT ahead
2026-06-0998.3395.98-0.50WAT ahead
2026-06-0896.3193.96-0.48near the usual relationship
2026-06-0598.3094.48-0.27near the usual relationship
2026-06-04100.4397.36-0.38near the usual relationship
2026-06-0399.7298.21-0.58WAT ahead
2026-06-0298.0296.18-0.52WAT ahead
2026-06-0198.6997.79-0.63WAT ahead
2026-05-2998.3799.19-0.84WAT ahead
2026-05-2898.2694.82-0.27near the usual relationship
2026-05-2784.0888.49-1.35WAT ahead
2026-05-2683.5287.57-1.29WAT ahead
2026-05-2283.4488.54-1.42WAT ahead
2026-05-2183.3188.18-1.38WAT ahead
2026-05-2082.5888.27-1.49WAT ahead
2026-05-1980.2586.18-1.54WAT ahead
2026-05-1881.3785.91-1.32WAT ahead
2026-05-1581.0785.14-1.25WAT ahead
2026-05-1482.2086.17-1.22WAT ahead
2026-05-1381.8386.61-1.33WAT ahead
2026-05-1281.9491.08-1.91WAT ahead
2026-05-1180.9090.01-1.91WAT ahead
2026-05-0883.9291.84-1.70WAT ahead
2026-05-0786.1290.64-1.23WAT ahead
2026-05-0685.4290.39-1.28WAT ahead
2026-05-0585.3088.64-1.06WAT ahead
2026-05-0481.4278.07-0.12near the usual relationship
2026-05-0183.1279.42-0.07near the usual relationship
2026-04-3083.8779.97-0.04near the usual relationship
2026-04-2980.7875.55+0.19near the usual relationship
2026-04-2883.3777.77+0.22near the usual relationship
2026-04-2783.9277.53+0.34near the usual relationship
2026-04-2483.8780.13-0.03near the usual relationship
2026-04-2383.0580.48-0.17near the usual relationship
2026-04-2287.4486.47-0.39near the usual relationship
2026-04-2188.6186.69-0.26near the usual relationship
2026-04-2087.7986.79-0.37near the usual relationship
2026-04-1788.4584.76-0.03near the usual relationship
2026-04-1685.8382.51-0.05near the usual relationship
2026-04-1586.9384.36-0.15near the usual relationship
2026-04-1487.3885.59-0.24near the usual relationship
2026-04-1385.2883.96-0.28near the usual relationship
2026-04-1083.5182.75-0.34near the usual relationship
2026-04-0983.7582.15-0.23near the usual relationship
2026-04-0884.8682.37-0.12near the usual relationship
2026-04-0782.6579.49-0.02near the usual relationship
2026-04-0683.3578.64+0.18near the usual relationship
2026-04-0283.8178.68+0.24near the usual relationship
2026-04-0183.1377.55+0.31near the usual relationship
2026-03-3182.7377.01+0.34near the usual relationship
2026-03-3081.3075.87+0.32near the usual relationship
2026-03-2780.0174.78+0.31near the usual relationship
2026-03-2682.3677.73+0.22near the usual relationship
2026-03-2582.0078.18+0.12near the usual relationship
2026-03-2482.8978.08+0.24near the usual relationship
2026-03-2381.3078.05+0.06near the usual relationship
2026-03-2080.7877.32+0.09near the usual relationship
2026-03-1981.1177.47+0.12near the usual relationship
2026-03-1880.9376.30+0.25near the usual relationship
2026-03-1781.8376.80+0.30near the usual relationship
2026-03-1681.1775.00+0.46near the usual relationship
2026-03-1380.9374.11+0.55A ahead
2026-03-1281.0273.27+0.68A ahead
2026-03-1183.7776.95+0.54A ahead
2026-03-1083.7877.49+0.47near the usual relationship
2026-03-0984.6679.05+0.39near the usual relationship
2026-03-0683.5278.24+0.36near the usual relationship
2026-03-0585.7281.61+0.21near the usual relationship
2026-03-0487.4982.51+0.31near the usual relationship
2026-03-0386.4080.72+0.40near the usual relationship
2026-03-0285.7779.45+0.48near the usual relationship
2026-02-2788.1082.59+0.37near the usual relationship
2026-02-2687.8083.49+0.24near the usual relationship
2026-02-2590.5282.61+0.64A ahead
2026-02-2490.2984.38+0.41near the usual relationship
2026-02-2390.1484.77+0.36near the usual relationship
2026-02-2089.2086.20+0.10near the usual relationship
2026-02-1991.7084.99+0.50A ahead
2026-02-1892.1384.70+0.58A ahead
2026-02-1789.9083.12+0.53A ahead
2026-02-1391.3183.63+0.62A ahead
2026-02-1290.6482.71+0.66A ahead
2026-02-1193.5585.13+0.69A ahead
2026-02-1093.6384.57+0.76A ahead
2026-02-0992.5484.86+0.62A ahead
2026-02-0694.0598.60-0.66WAT ahead
2026-02-0594.0997.47-0.55WAT ahead
2026-02-0496.5299.39-0.49near the usual relationship
2026-02-0395.9198.00-0.42near the usual relationship
2026-02-0298.2798.09-0.20near the usual relationship
2026-01-3097.1595.87-0.09near the usual relationship
2026-01-2996.7397.02-0.24near the usual relationship
2026-01-2897.1699.57-0.45near the usual relationship
2026-01-2798.67100.88-0.43near the usual relationship
2026-01-2698.45101.09-0.47near the usual relationship
2026-01-2398.02101.45-0.55WAT ahead
2026-01-22100.62103.55-0.50WAT ahead
2026-01-21101.44102.59-0.33near the usual relationship
2026-01-2098.5899.27-0.29near the usual relationship
2026-01-16101.35100.18-0.12near the usual relationship
2026-01-15105.12102.04+0.06near the usual relationship
2026-01-14105.91101.68+0.17near the usual relationship
2026-01-13106.20101.90+0.17near the usual relationship
2026-01-12107.41101.81+0.29near the usual relationship
2026-01-09107.80102.60+0.25near the usual relationship
2026-01-08105.79102.58+0.08near the usual relationship
2026-01-07107.28103.29+0.14near the usual relationship
2026-01-06107.13103.58+0.10near the usual relationship
2026-01-05103.74102.14-0.07near the usual relationship
2026-01-02100.1298.78-0.09near the usual relationship
2025-12-3198.7698.23-0.17near the usual relationship
2025-12-3099.8899.30-0.16near the usual relationship
2025-12-29100.1199.59-0.17near the usual relationship
2025-12-26100.4499.84-0.16near the usual relationship
2025-12-24100.3999.52-0.14near the usual relationship
2025-12-23100.4299.10-0.10near the usual relationship
2025-12-22100.5499.34-0.11near the usual relationship
2025-12-1999.6197.76-0.04near the usual relationship
2025-12-1899.3697.32-0.02near the usual relationship
2025-12-1799.1997.53-0.06near the usual relationship
2025-12-16101.0297.89+0.08near the usual relationship
2025-12-15102.0599.67+0.00near the usual relationship
2025-12-12101.3899.65-0.06near the usual relationship
2025-12-11103.69101.43-0.01near the usual relationship
2025-12-10104.13102.36-0.06near the usual relationship
2025-12-09102.0899.86-0.01near the usual relationship
2025-12-08103.38101.57-0.05near the usual relationship
2025-12-05105.60102.10+0.10near the usual relationship
2025-12-04107.65102.50+0.25near the usual relationship
2025-12-03108.33102.83+0.28near the usual relationship
2025-12-02108.01103.09+0.23near the usual relationship
2025-12-01108.94102.87+0.33near the usual relationship
2025-11-28111.41104.33+0.42near the usual relationship
2025-11-26112.04105.29+0.39near the usual relationship
2025-11-25114.09106.68+0.44near the usual relationship
2025-11-24111.48103.32+0.52A ahead
2025-11-21109.78101.89+0.51A ahead
2025-11-20105.2897.91+0.50A ahead
2025-11-19104.8097.30+0.52A ahead
2025-11-18104.4097.40+0.47near the usual relationship
2025-11-17104.8997.75+0.49near the usual relationship
2025-11-14106.5698.11+0.61A ahead
2025-11-13106.6198.09+0.62A ahead
2025-11-12109.97100.18+0.72A ahead
2025-11-11108.4599.86+0.62A ahead
2025-11-10106.2397.38+0.67A ahead
2025-11-07106.5096.12+0.82A ahead
2025-11-06107.0595.98+0.89A ahead
2025-11-05106.5296.19+0.83A ahead
2025-11-04106.0295.00+0.90A ahead
2025-11-03105.0289.37+1.40A ahead
2025-10-31106.2390.41+1.41A ahead
2025-10-30104.0588.68+1.40A ahead
2025-10-29103.9388.82+1.37A ahead
2025-10-28105.8689.46+1.49A ahead
2025-10-27106.3990.96+1.38A ahead
2025-10-24107.4492.97+1.27A ahead
2025-10-23107.0391.98+1.34A ahead
2025-10-22105.8790.17+1.43A ahead
2025-10-21105.7390.31+1.41A ahead
2025-10-20103.7988.75+1.40A ahead
2025-10-17103.0086.53+1.59A ahead
2025-10-16102.4186.60+1.53A ahead
2025-10-15101.3685.96+1.50A ahead
2025-10-14100.1986.15+1.37A ahead
2025-10-13100.3386.98+1.29A ahead
2025-10-1099.1685.60+1.33A ahead
2025-10-09101.6985.46+1.60A ahead
2025-10-08102.2084.73+1.75A ahead
2025-10-07100.5782.33+1.88A ahead
2025-10-06102.7884.72+1.82A ahead
2025-10-03102.8084.92+1.81A ahead
2025-10-02100.6783.25+1.80A ahead
2025-10-01100.5882.70+1.87A ahead
2025-09-3093.1677.53+1.75A ahead
2025-09-2989.8274.85+1.74A ahead
2025-09-2689.5675.44+1.64A ahead
2025-09-2588.4774.42+1.66A ahead
2025-09-2490.2775.68+1.69A ahead
2025-09-2391.4177.38+1.59A ahead
2025-09-2291.6978.22+1.51A ahead
2025-09-1991.6877.81+1.57A ahead
2025-09-1892.6379.23+1.49A ahead
2025-09-1791.9778.53+1.50A ahead
2025-09-1692.3178.38+1.56A ahead
2025-09-1591.1877.33+1.57A ahead
2025-09-1289.4576.39+1.50A ahead
2025-09-1191.9878.22+1.54A ahead
2025-09-1090.0975.78+1.66A ahead
2025-09-0991.6377.72+1.57A ahead
2025-09-0893.0080.00+1.42A ahead
2025-09-0593.4579.22+1.58A ahead
2025-09-0493.2577.50+1.79A ahead
2025-09-0390.8875.01+1.87A ahead
2025-09-0290.8876.67+1.64A ahead
2025-08-2991.2078.05+1.50A ahead
2025-08-2890.7076.97+1.58A ahead
2025-08-2786.1476.19+1.15A ahead
2025-08-2685.8676.58+1.06A ahead
2025-08-2586.4877.31+1.03A ahead
2025-08-2288.2878.15+1.13A ahead
2025-08-2185.0375.11+1.15A ahead
2025-08-2086.4576.74+1.10A ahead
2025-08-1987.1876.99+1.15A ahead
2025-08-1885.7574.84+1.27A ahead
2025-08-1586.5175.40+1.29A ahead
2025-08-1486.2875.91+1.19A ahead
2025-08-1387.3176.76+1.19A ahead
2025-08-1285.1573.84+1.34A ahead
2025-08-1182.8372.23+1.28A ahead
2025-08-0883.1972.72+1.25A ahead
2025-08-0782.7371.89+1.31A ahead
2025-08-0682.1871.82+1.25A ahead
2025-08-0583.3972.72+1.28A ahead
2025-08-0483.3573.86+1.11A ahead
2025-08-0182.3875.08+0.81A ahead
2025-07-3183.3374.67+0.98A ahead
2025-07-3085.6877.34+0.90A ahead
2025-07-2986.9878.41+0.90A ahead
2025-07-2886.7678.19+0.89A ahead
2025-07-2587.2378.34+0.92A ahead
2025-07-2487.3577.19+1.07A ahead
2025-07-2386.7176.45+1.09A ahead
2025-07-2284.3374.34+1.09A ahead
2025-07-2181.3272.84+0.92A ahead
2025-07-1882.7374.36+0.88A ahead
2025-07-1784.4576.79+0.76A ahead
2025-07-1682.3374.88+0.75A ahead
2025-07-1581.9774.88+0.70A ahead
2025-07-1487.1578.66+0.81A ahead
2025-07-1189.4891.26-0.37near the usual relationship
2025-07-1090.1291.36-0.32near the usual relationship
2025-07-0988.0490.31-0.44near the usual relationship
2025-07-0887.8389.94-0.43near the usual relationship
2025-07-0786.5589.67-0.54WAT ahead
2025-07-0388.1090.57-0.47near the usual relationship
2025-07-0287.5791.01-0.58WAT ahead
2025-07-0187.4292.33-0.73WAT ahead
2025-06-3085.6590.26-0.72WAT ahead
2025-06-2786.4991.14-0.72WAT ahead
2025-06-2686.6791.78-0.77WAT ahead
2025-06-2586.0990.51-0.72WAT ahead
2025-06-2485.3889.68-0.71WAT ahead
2025-06-2384.2988.66-0.73WAT ahead
2025-06-2083.8788.61-0.78WAT ahead
2025-06-1883.8487.76-0.70WAT ahead
2025-06-1784.2688.21-0.71WAT ahead
2025-06-1686.3889.95-0.67WAT ahead
2025-06-1384.9888.52-0.68WAT ahead
2025-06-1286.3090.40-0.73WAT ahead
2025-06-1186.8989.49-0.60WAT ahead
2025-06-1087.4790.47-0.64WAT ahead
2025-06-0984.7390.08-0.88WAT ahead
2025-06-0684.0590.81-1.02WAT ahead
2025-06-0582.7089.56-1.05WAT ahead
2025-06-0483.4291.33-1.15WAT ahead
2025-06-0381.8490.35-1.23WAT ahead
2025-06-0280.6088.88-1.23WAT ahead
2025-05-3081.2390.32-1.31WAT ahead
2025-05-2982.2291.88-1.36WAT ahead
2025-05-2880.4891.70-1.54WAT ahead
2025-05-2780.7592.67-1.61WAT ahead
2025-05-2378.7789.57-1.55WAT ahead
2025-05-2279.6190.11-1.52WAT ahead
2025-05-2179.0589.83-1.57WAT ahead
2025-05-2082.3693.64-1.59WAT ahead
2025-05-1982.3392.72-1.52WAT ahead
2025-05-1682.5792.96-1.53WAT ahead
2025-05-1581.5890.93-1.46WAT ahead
2025-05-1480.9489.32-1.39WAT ahead
2025-05-1383.7792.84-1.44WAT ahead
2025-05-1283.8794.82-1.62WAT ahead
2025-05-0977.6188.98-1.76WAT ahead
2025-05-0878.8990.74-1.81WAT ahead
2025-05-0778.0489.34-1.78WAT ahead
2025-05-0676.3887.67-1.83WAT ahead
2025-05-0578.6590.09-1.83WAT ahead
2025-05-0278.8490.63-1.88WAT ahead
2025-05-0177.2788.40-1.85WAT ahead
2025-04-3078.1089.92-1.93WAT ahead
2025-04-2977.9988.14-1.78WAT ahead
2025-04-2877.5787.89-1.83WAT ahead
2025-04-2577.1487.38-1.84WAT ahead
2025-04-2477.6788.11-1.87WAT ahead
2025-04-2376.2186.60-1.91WAT ahead
2025-04-2274.6285.52-2.01WAT ahead
2025-04-2172.7781.78-1.85WAT ahead
2025-04-1774.3883.01-1.81WAT ahead
2025-04-1674.5483.04-1.81WAT ahead
2025-04-1574.8483.64-1.86WAT ahead
2025-04-1476.3586.31-1.99WAT ahead
2025-04-1174.5584.10-1.99WAT ahead
2025-04-1072.5481.37-1.96WAT ahead
2025-04-0977.7087.03-1.97WAT ahead
2025-04-0872.0679.58-1.86WAT ahead
2025-04-0775.1984.25-2.02WAT ahead
2025-04-0474.7684.03-2.08WAT ahead
2025-04-0379.6089.25-2.08WAT ahead
2025-04-0284.1893.78-2.04WAT ahead
2025-04-0182.7892.06-2.05WAT ahead
2025-03-3184.9095.31-2.17WAT ahead
2025-03-2884.6993.66-2.05WAT ahead
2025-03-2786.3595.84-2.11WAT ahead
2025-03-2687.0295.11-1.98WAT ahead
2025-03-2587.4795.30-1.97WAT ahead
2025-03-2488.5396.54-2.01WAT ahead
2025-03-2187.6494.51-1.91WAT ahead
2025-03-2087.3093.93-1.91WAT ahead
2025-03-1988.7096.03-2.00WAT ahead
2025-03-1889.3598.83-2.26WAT ahead
2025-03-1788.9097.99-2.25WAT ahead
2025-03-1487.9597.53-2.36WAT ahead
2025-03-1385.1694.25-2.37WAT ahead
2025-03-1286.9996.49-2.43WAT ahead
2025-03-1187.8497.97-2.54WAT ahead
2025-03-1088.47100.93-2.85WAT ahead
2025-03-0791.96101.63-2.53WAT ahead
2025-03-0691.8599.91-2.38WAT ahead
2025-03-0591.8297.98-2.19WAT ahead
2025-03-0489.3295.18-2.20WAT ahead
2025-03-0391.6996.15-2.03WAT ahead
2025-02-2892.8497.58-2.09WAT ahead
2025-02-2792.2396.48-2.05WAT ahead
2025-02-2697.6099.56-1.77WAT ahead
2025-02-2597.3998.48-1.67WAT ahead
2025-02-2498.1998.08-1.54WAT ahead
2025-02-2198.2596.93-1.40WAT ahead
2025-02-2099.2898.48-1.48WAT ahead
2025-02-1999.5497.74-1.36WAT ahead
2025-02-1898.1397.31-1.50WAT ahead
2025-02-1497.7495.61-1.34WAT ahead
2025-02-1399.0398.04-1.50WAT ahead
2025-02-12100.2298.76-1.46WAT ahead
2025-02-11102.88104.81-1.90WAT ahead
2025-02-10104.29105.40-1.82WAT ahead
2025-02-07105.39105.90-1.76WAT ahead
2025-02-06107.16106.27-1.61WAT ahead
2025-02-05107.41107.09-1.69WAT ahead
2025-02-04106.72106.13-1.67WAT ahead
2025-02-03107.87106.34-1.57WAT ahead
2025-01-31109.97107.45-1.47WAT ahead
2025-01-30109.87107.91-1.55WAT ahead
2025-01-29106.76104.52-1.52WAT ahead
2025-01-28109.12106.93-1.55WAT ahead
2025-01-27109.57107.18-1.54WAT ahead
2025-01-24109.91106.36-1.40WAT ahead
2025-01-23110.65106.75-1.38WAT ahead
2025-01-22110.76105.60-1.22WAT ahead
2025-01-21110.73107.01-1.42WAT ahead
2025-01-17106.95104.48-1.58WAT ahead
2025-01-16105.04104.85-1.90WAT ahead
2025-01-15103.23102.85-1.90WAT ahead
2025-01-14104.10104.72-2.06WAT ahead
2025-01-13103.03103.41-2.05WAT ahead
2025-01-1099.7898.36-1.82WAT ahead
2025-01-0899.4396.77-1.65WAT ahead
2025-01-0799.7397.50-1.74WAT ahead
2025-01-0699.0297.52-1.86WAT ahead
2025-01-0398.4896.14-1.75WAT ahead
2025-01-0296.8495.23-1.88WAT ahead
2024-12-3197.5095.94-1.91WAT ahead
2024-12-3097.5695.93-1.92WAT ahead
2024-12-2798.3796.87-1.97WAT ahead
2024-12-2698.5897.44-2.05WAT ahead
2024-12-2498.7896.50-1.90WAT ahead
2024-12-2397.6995.62-1.95WAT ahead
2024-12-2097.6395.21-1.91WAT ahead
2024-12-1996.6793.26-1.77WAT ahead
2024-12-1896.5493.21-1.80WAT ahead
2024-12-1799.0496.65-1.99WAT ahead
2024-12-1699.9296.72-1.88WAT ahead
2024-12-13100.8997.82-1.93WAT ahead
2024-12-12102.2799.05-1.94WAT ahead
2024-12-11102.4799.63-2.02WAT ahead
2024-12-10103.01100.95-2.18WAT ahead
2024-12-09104.51101.38-2.04WAT ahead
2024-12-06102.0399.32-2.12WAT ahead
2024-12-05100.0798.61-2.36WAT ahead
2024-12-04101.76101.21-2.55WAT ahead
2024-12-03101.09100.08-2.52WAT ahead
2024-12-02101.31100.11-2.52WAT ahead
2024-11-29100.1499.49-2.65WAT ahead
2024-11-27100.2699.97-2.76WAT ahead
2024-11-2697.53100.38-3.40WAT ahead
2024-11-2597.6197.79-2.98WAT ahead
2024-11-2297.1496.58-2.89WAT ahead
2024-11-2195.8595.30-2.95WAT ahead
2024-11-2093.3292.52-2.96WAT ahead
2024-11-1991.2389.14-2.74WAT ahead
2024-11-1892.1291.93-3.22WAT ahead
2024-11-1592.2392.70-3.45WAT ahead
2024-11-1494.5197.42-4.10WAT ahead
2024-11-1397.4699.72-4.09WAT ahead
2024-11-1297.0299.77-4.37WAT ahead
2024-11-1197.1598.46-4.20WAT ahead
2024-11-0899.2099.44-4.10WAT ahead
2024-11-07101.3499.85-3.82WAT ahead
2024-11-06100.00100.00-4.35WAT ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Jul 14, 2025 (A -2.6%, WAT -13.8%); Feb 9, 2026 (A -1.6%, WAT -13.9%); May 5, 2026 (A +4.8%, WAT +13.5%); May 28, 2026 (A +16.9%, WAT +7.2%). Upcoming earnings: A Nov 23, 2026 (after-hours).

Paired trades

The shared paper book and the replay, kept apart

Forward paper record

No paper position on this pair yet.

Historical simulation (a diagnostic, same rules)

1 simulated trade to Nov 3, 2026: -4.91% per trade on average after costs, 0 won.

LegsEnteredExitedWhyDaysBefore costsCosts + borrowAfter costs
Long A · Short WATAug 29, 2023Sep 20, 2023divergence stop22-$449.35-$45.84-$491.39 (-4.91%)

Per $10,000 a leg. A replay on today's companies cannot prove an edge.

The companies

A and WAT at a glance

A Agilent Technologies Inc.

Listing
NYSE · SEC CIK 1090872
Industry
Biotechnology: Laboratory Analytical Instruments · SIC 3826 Laboratory Analytical Instruments
Market value
$49.5B
Price history
2,534 daily closes, Oct 12, 2016 to Nov 10, 2026

WAT Waters Corporation

Listing
NYSE · SEC CIK 1000697
Industry
Biotechnology: Laboratory Analytical Instruments · SIC 3826 Laboratory Analytical Instruments
Market value
$45.2B
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 →
PairStatusAhead nowIndustry
WAT / ILMNWatchlistneitherSIC 3826 Laboratory Analytical Instruments
WAT / MTDWatchlistneitherBiotechnology: Laboratory Analytical Instruments
A / ILMNWatchlistneitherSIC 3826 Laboratory Analytical Instruments
A / MTDWatchlistneitherBiotechnology: Laboratory Analytical Instruments

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Paper 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.