Metal Mining

Rio Tinto Plc vs Southern Copper Corporation

WatchlistRIO / SCCOPrices through Nov 10, 2026

Why these are rivals: #1 and #2 by market value ($146B vs $103B) in Nasdaq's "Metal Mining" industry; SEC SIC 1000 / 1000 (same major group); #2 and #3 by market value ($146B vs $103B) with SEC SIC 1000 (Metal Mining).

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: -2.28 (needs <= -2.873 (5% critical value))
Business leadership

Business size

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

YearRIOSCCOLarger
2025-$13.4B-
2024-$11.4B-
2023-$9.9B-
2022-$10.0B-
2021-$10.9B-
2020-$8.0B-

Market value: RIO $102.5B, SCCO $146.5B.

Stock leadership

SCCO is ahead now

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

SCCO leads RIO by 0.45 standard deviations: +3.5% over its usual price ratio. 2 lead switches in the last year.

Price change3 mo6 mo12 mo
RIO-16.5%-22.8%+21.9%
SCCO-12.6%-11.2%+24.7%
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: 0.76 (needs >= 0.60)
Fail
Mean reversion: ADF t-statistic of the spread: -2.28 (needs <= -2.873 (5% critical value))
Pass
Speed: half-life of the spread, sessions: 15.70 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

RIO Rio Tinto Plc SCCO Southern Copper CorporationPrice index, 100 = 2024-11-06. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
100150200Nov 2024Nov 2025Nov 2026RIO 129SCCO 156
Spread z-score: RIO relative to SCCO, against the 252 sessions before each day. Above 0: RIO ahead; below 0: SCCO ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopNov 2024Nov 2025Nov 2026
Data table (504 sessions)
DateRIO indexSCCO indexzAhead
2026-11-10129.40155.58-0.45near the usual relationship
2026-11-09132.24160.75-0.60SCCO ahead
2026-11-06128.16152.76-0.34near the usual relationship
2026-11-05127.29151.03-0.28near the usual relationship
2026-11-04129.44161.50-0.95SCCO ahead
2026-11-03124.93158.44-1.17SCCO ahead
2026-11-02126.63163.80-1.45SCCO ahead
2026-10-30125.35162.13-1.46SCCO ahead
2026-10-29127.43175.11-2.30SCCO ahead
2026-10-28131.53177.09-2.05SCCO ahead
2026-10-27131.24177.56-2.14SCCO ahead
2026-10-26128.15169.87-1.89SCCO ahead
2026-10-23127.69168.96-1.88SCCO ahead
2026-10-22128.79167.66-1.67SCCO ahead
2026-10-21133.05180.89-2.31SCCO ahead
2026-10-20134.95184.79-2.45SCCO ahead
2026-10-19137.00184.27-2.23SCCO ahead
2026-10-16138.25183.11-2.03SCCO ahead
2026-10-15138.08184.19-2.16SCCO ahead
2026-10-14139.68183.27-1.94SCCO ahead
2026-10-13142.45189.42-2.17SCCO ahead
2026-10-12144.34190.58-2.09SCCO ahead
2026-10-09145.08191.06-2.07SCCO ahead
2026-10-08142.87181.42-1.53SCCO ahead
2026-10-07142.60183.17-1.72SCCO ahead
2026-10-06146.78186.54-1.57SCCO ahead
2026-10-05146.41187.48-1.71SCCO ahead
2026-10-02144.21187.71-1.98SCCO ahead
2026-10-01142.16181.94-1.74SCCO ahead
2026-09-30144.15185.06-1.81SCCO ahead
2026-09-29144.13184.98-1.82SCCO ahead
2026-09-28144.51185.05-1.81SCCO ahead
2026-09-25144.74186.23-1.90SCCO ahead
2026-09-24144.60184.09-1.75SCCO ahead
2026-09-23145.80184.42-1.66SCCO ahead
2026-09-22149.23188.26-1.63SCCO ahead
2026-09-21148.54180.88-1.07SCCO ahead
2026-09-18149.04178.72-0.83SCCO ahead
2026-09-17150.07179.10-0.76SCCO ahead
2026-09-16146.62173.41-0.63SCCO ahead
2026-09-15148.87172.96-0.35near the usual relationship
2026-09-14149.46172.01-0.21near the usual relationship
2026-09-11153.01176.70-0.27near the usual relationship
2026-09-10152.14177.30-0.42near the usual relationship
2026-09-09158.79191.11-0.91SCCO ahead
2026-09-08158.93190.47-0.85SCCO ahead
2026-09-04158.07181.52-0.22near the usual relationship
2026-09-03157.42182.22-0.35near the usual relationship
2026-09-02157.28186.54-0.71SCCO ahead
2026-09-01155.92184.12-0.65SCCO ahead
2026-08-31156.90190.75-1.06SCCO ahead
2026-08-28158.12191.60-1.02SCCO ahead
2026-08-27160.39197.52-1.24SCCO ahead
2026-08-26160.26195.21-1.10SCCO ahead
2026-08-25163.49200.64-1.20SCCO ahead
2026-08-24160.42195.66-1.12SCCO ahead
2026-08-21161.18197.26-1.17SCCO ahead
2026-08-20156.39181.49-0.48near the usual relationship
2026-08-19153.74177.79-0.44near the usual relationship
2026-08-18148.00171.51-0.47near the usual relationship
2026-08-17148.80175.38-0.69SCCO ahead
2026-08-14146.46168.59-0.40near the usual relationship
2026-08-13150.31171.32-0.29near the usual relationship
2026-08-12154.94177.98-0.39near the usual relationship
2026-08-11154.58177.61-0.40near the usual relationship
2026-08-10155.99182.75-0.64SCCO ahead
2026-08-07154.75181.79-0.68SCCO ahead
2026-08-06152.53176.28-0.49near the usual relationship
2026-08-05155.38179.91-0.52SCCO ahead
2026-08-04151.55178.23-0.71SCCO ahead
2026-08-03146.79169.78-0.52SCCO ahead
2026-07-31148.25166.86-0.21near the usual relationship
2026-07-30148.75168.95-0.32near the usual relationship
2026-07-29143.36160.25-0.15near the usual relationship
2026-07-28140.27163.43-0.62SCCO ahead
2026-07-27140.75163.76-0.61SCCO ahead
2026-07-24139.63163.74-0.70SCCO ahead
2026-07-23140.07166.41-0.86SCCO ahead
2026-07-22141.25178.52-1.55SCCO ahead
2026-07-21138.60171.70-1.34SCCO ahead
2026-07-20136.34159.88-0.74SCCO ahead
2026-07-17137.99157.52-0.45near the usual relationship
2026-07-16138.79160.42-0.59SCCO ahead
2026-07-15143.30165.79-0.61SCCO ahead
2026-07-14142.80166.56-0.70SCCO ahead
2026-07-13137.53159.39-0.64SCCO ahead
2026-07-10138.59160.58-0.64SCCO ahead
2026-07-09136.98159.30-0.69SCCO ahead
2026-07-08135.93152.70-0.31near the usual relationship
2026-07-07139.68155.02-0.18near the usual relationship
2026-07-06143.24158.79-0.17near the usual relationship
2026-07-02144.53157.09+0.04near the usual relationship
2026-07-01142.89154.16+0.12near the usual relationship
2026-06-30145.31159.14-0.05near the usual relationship
2026-06-29144.33153.84+0.25near the usual relationship
2026-06-26143.49156.40+0.00near the usual relationship
2026-06-25145.58159.57-0.06near the usual relationship
2026-06-24143.93156.93-0.01near the usual relationship
2026-06-23146.30163.08-0.25near the usual relationship
2026-06-22152.09173.43-0.50SCCO ahead
2026-06-18153.19176.19-0.60SCCO ahead
2026-06-17157.16175.05-0.26near the usual relationship
2026-06-16161.86177.65-0.10near the usual relationship
2026-06-15162.08176.46-0.02near the usual relationship
2026-06-12161.26173.32+0.11near the usual relationship
2026-06-11158.64166.36+0.37near the usual relationship
2026-06-10151.63153.21+0.76RIO ahead
2026-06-09155.24159.97+0.55RIO ahead
2026-06-08154.49155.69+0.78RIO ahead
2026-06-05154.13157.96+0.60RIO ahead
2026-06-04161.33177.25-0.14near the usual relationship
2026-06-03165.10179.53-0.04near the usual relationship
2026-06-02170.93183.90+0.07near the usual relationship
2026-06-01166.78177.74+0.16near the usual relationship
2026-05-29162.85174.70+0.08near the usual relationship
2026-05-28162.97177.97-0.11near the usual relationship
2026-05-27163.19171.46+0.28near the usual relationship
2026-05-26163.69173.41+0.19near the usual relationship
2026-05-22159.54164.08+0.47near the usual relationship
2026-05-21160.36163.58+0.54RIO ahead
2026-05-20158.14158.99+0.68RIO ahead
2026-05-19154.48154.34+0.73RIO ahead
2026-05-18158.17156.99+0.78RIO ahead
2026-05-15158.72161.44+0.54RIO ahead
2026-05-14167.75172.15+0.44near the usual relationship
2026-05-13171.50175.24+0.48near the usual relationship
2026-05-12167.61175.11+0.26near the usual relationship
2026-05-11165.16169.16+0.44near the usual relationship
2026-05-08161.30169.21+0.20near the usual relationship
2026-05-07157.83163.96+0.29near the usual relationship
2026-05-06161.50167.95+0.27near the usual relationship
2026-05-05153.83156.19+0.49near the usual relationship
2026-05-04150.97151.87+0.57RIO ahead
2026-05-01153.96156.33+0.47near the usual relationship
2026-04-30153.80156.79+0.43near the usual relationship
2026-04-29147.70153.82+0.23near the usual relationship
2026-04-28150.76155.70+0.30near the usual relationship
2026-04-27152.99162.67+0.04near the usual relationship
2026-04-24152.47164.78-0.12near the usual relationship
2026-04-23151.31166.44-0.28near the usual relationship
2026-04-22153.50171.42-0.42near the usual relationship
2026-04-21149.58167.61-0.46near the usual relationship
2026-04-20152.81174.21-0.61SCCO ahead
2026-04-17153.30177.46-0.76SCCO ahead
2026-04-16152.63171.92-0.52SCCO ahead
2026-04-15150.86172.88-0.68SCCO ahead
2026-04-14151.34176.59-0.84SCCO ahead
2026-04-13151.84179.34-0.95SCCO ahead
2026-04-10150.41175.85-0.87SCCO ahead
2026-04-09148.68171.74-0.78SCCO ahead
2026-04-08150.70170.93-0.63SCCO ahead
2026-04-07144.90158.88-0.34near the usual relationship
2026-04-06143.90161.34-0.54SCCO ahead
2026-04-02144.57162.40-0.56SCCO ahead
2026-04-01145.12162.51-0.54SCCO ahead
2026-03-31142.80157.13-0.39near the usual relationship
2026-03-30135.96145.46-0.16near the usual relationship
2026-03-27132.62148.01-0.52SCCO ahead
2026-03-26131.32145.90-0.49near the usual relationship
2026-03-25134.00151.13-0.62SCCO ahead
2026-03-24132.82146.01-0.41near the usual relationship
2026-03-23131.39145.74-0.49near the usual relationship
2026-03-20127.28139.46-0.39near the usual relationship
2026-03-19131.10145.95-0.53SCCO ahead
2026-03-18134.27152.26-0.69SCCO ahead
2026-03-17137.46161.66-1.00SCCO ahead
2026-03-16137.55161.46-0.99SCCO ahead
2026-03-13134.44156.01-0.91SCCO ahead
2026-03-12138.83164.89-1.11SCCO ahead
2026-03-11140.95175.36-1.50SCCO ahead
2026-03-10140.33179.14-1.73SCCO ahead
2026-03-09138.30174.10-1.63SCCO ahead
2026-03-06138.08168.92-1.40SCCO ahead
2026-03-05142.92175.22-1.43SCCO ahead
2026-03-04147.33188.73-1.81SCCO ahead
2026-03-03145.89188.34-1.89SCCO ahead
2026-03-02152.47199.86-2.04SCCO ahead
2026-02-27152.06199.36-2.07SCCO ahead
2026-02-26151.68196.99-2.01SCCO ahead
2026-02-25154.26196.53-1.87SCCO ahead
2026-02-24150.18192.41-1.94SCCO ahead
2026-02-23149.50189.09-1.85SCCO ahead
2026-02-20148.61183.57-1.66SCCO ahead
2026-02-19147.47177.23-1.44SCCO ahead
2026-02-18151.43175.95-1.16SCCO ahead
2026-02-17148.29171.69-1.13SCCO ahead
2026-02-13150.11180.82-1.49SCCO ahead
2026-02-12149.87180.68-1.51SCCO ahead
2026-02-11152.33188.60-1.76SCCO ahead
2026-02-10148.84181.64-1.65SCCO ahead
2026-02-09148.25190.21-2.11SCCO ahead
2026-02-06142.98182.68-2.10SCCO ahead
2026-02-05139.48173.02-1.86SCCO ahead
2026-02-04147.68178.97-1.67SCCO ahead
2026-02-03147.51196.75-2.57SCCO ahead
2026-02-02141.62176.07-1.96SCCO ahead
2026-01-30139.34173.81-2.01SCCO ahead
2026-01-29145.61189.89-2.46SCCO ahead
2026-01-28142.92180.99-2.22SCCO ahead
2026-01-27142.22177.94-2.13SCCO ahead
2026-01-26138.48172.06-2.09SCCO ahead
2026-01-23138.42168.31-1.91SCCO ahead
2026-01-22133.63161.11-1.85SCCO ahead
2026-01-21135.99168.09-2.12SCCO ahead
2026-01-20131.15170.09-2.63SCCO ahead
2026-01-16130.31165.25-2.45SCCO ahead
2026-01-15132.18167.10-2.46SCCO ahead
2026-01-14131.46164.62-2.40SCCO ahead
2026-01-13127.95159.24-2.37SCCO ahead
2026-01-12126.86160.73-2.60SCCO ahead
2026-01-09124.18155.73-2.53SCCO ahead
2026-01-08128.87146.62-1.53SCCO ahead
2026-01-07129.92144.37-1.29SCCO ahead
2026-01-06130.46146.19-1.39SCCO ahead
2026-01-05127.37141.00-1.27SCCO ahead
2026-01-02124.64135.79-1.11SCCO ahead
2025-12-31122.50131.02-0.92SCCO ahead
2025-12-30123.25132.86-1.01SCCO ahead
2025-12-29123.07132.69-1.02SCCO ahead
2025-12-26125.88136.55-1.09SCCO ahead
2025-12-24123.82135.28-1.18SCCO ahead
2025-12-23123.94135.18-1.17SCCO ahead
2025-12-22122.61134.41-1.23SCCO ahead
2025-12-19119.88131.51-1.25SCCO ahead
2025-12-18118.83129.94-1.22SCCO ahead
2025-12-17118.15129.18-1.23SCCO ahead
2025-12-16116.32128.10-1.32SCCO ahead
2025-12-15116.06131.38-1.64SCCO ahead
2025-12-12115.81130.05-1.56SCCO ahead
2025-12-11117.47134.82-1.83SCCO ahead
2025-12-10116.70131.49-1.64SCCO ahead
2025-12-09113.88128.22-1.64SCCO ahead
2025-12-08111.77128.80-1.93SCCO ahead
2025-12-05111.83128.23-1.89SCCO ahead
2025-12-04112.86127.81-1.77SCCO ahead
2025-12-03113.70126.57-1.59SCCO ahead
2025-12-02110.73123.20-1.60SCCO ahead
2025-12-01110.16123.07-1.66SCCO ahead
2025-11-28110.13123.09-1.68SCCO ahead
2025-11-26110.52121.49-1.50SCCO ahead
2025-11-25108.79117.92-1.34SCCO ahead
2025-11-24107.87115.80-1.24SCCO ahead
2025-11-21107.13112.96-1.03SCCO ahead
2025-11-20105.28109.61-0.88SCCO ahead
2025-11-19106.28114.50-1.30SCCO ahead
2025-11-18106.75113.37-1.13SCCO ahead
2025-11-17107.90116.03-1.29SCCO ahead
2025-11-14108.11119.35-1.62SCCO ahead
2025-11-13108.74120.58-1.69SCCO ahead
2025-11-12108.85124.91-2.13SCCO ahead
2025-11-11107.64126.50-2.45SCCO ahead
2025-11-10107.59127.39-2.59SCCO ahead
2025-11-07106.12124.76-2.53SCCO ahead
2025-11-06106.03125.33-2.64SCCO ahead
2025-11-05105.71124.13-2.59SCCO ahead
2025-11-04103.92119.44-2.35SCCO ahead
2025-11-03107.71126.29-2.65SCCO ahead
2025-10-31109.81126.76-2.47SCCO ahead
2025-10-30110.52127.95-2.55SCCO ahead
2025-10-29111.10129.39-2.66SCCO ahead
2025-10-28110.19126.36-2.47SCCO ahead
2025-10-27108.57121.45-2.15SCCO ahead
2025-10-24107.97118.12-1.85SCCO ahead
2025-10-23108.10117.23-1.73SCCO ahead
2025-10-22106.78115.91-1.76SCCO ahead
2025-10-21104.61117.19-2.22SCCO ahead
2025-10-20105.98123.23-2.79SCCO ahead
2025-10-17104.12118.55-2.53SCCO ahead
2025-10-16105.23121.71-2.80SCCO ahead
2025-10-15105.40120.46-2.66SCCO ahead
2025-10-14104.42119.41-2.70SCCO ahead
2025-10-13104.33121.64-3.05SCCO ahead
2025-10-10100.17114.25-2.76SCCO ahead
2025-10-09102.56119.24-3.12SCCO ahead
2025-10-08103.63121.03-3.26SCCO ahead
2025-10-07101.41115.74-2.94SCCO ahead
2025-10-06102.53118.70-3.25SCCO ahead
2025-10-03101.19117.16-3.33SCCO ahead
2025-10-02101.42114.45-2.96SCCO ahead
2025-10-01101.47112.00-2.61SCCO ahead
2025-09-30101.04110.83-2.53SCCO ahead
2025-09-29100.90110.58-2.56SCCO ahead
2025-09-2699.19106.85-2.27SCCO ahead
2025-09-25100.15107.73-2.27SCCO ahead
2025-09-2497.77109.13-3.01SCCO ahead
2025-09-2397.31100.69-1.62SCCO ahead
2025-09-2297.43101.77-1.81SCCO ahead
2025-09-1995.48100.45-1.97SCCO ahead
2025-09-1894.8797.95-1.63SCCO ahead
2025-09-1796.4297.61-1.27SCCO ahead
2025-09-1697.1199.04-1.42SCCO ahead
2025-09-1597.54100.40-1.61SCCO ahead
2025-09-1295.5896.97-1.34SCCO ahead
2025-09-1195.7395.94-1.11SCCO ahead
2025-09-1095.0693.24-0.70SCCO ahead
2025-09-0994.7091.24-0.35near the usual relationship
2025-09-0897.5494.42-0.45near the usual relationship
2025-09-0597.9294.05-0.30near the usual relationship
2025-09-0495.6192.07-0.35near the usual relationship
2025-09-0395.6492.17-0.36near the usual relationship
2025-09-0294.7388.81+0.17near the usual relationship
2025-08-2996.0087.75+0.67RIO ahead
2025-08-2896.2588.33+0.60RIO ahead
2025-08-2795.0787.86+0.47near the usual relationship
2025-08-2694.8389.30+0.10near the usual relationship
2025-08-2595.4188.59+0.38near the usual relationship
2025-08-2295.9689.08+0.39near the usual relationship
2025-08-2193.8385.60+0.73RIO ahead
2025-08-2092.7985.57+0.53RIO ahead
2025-08-1992.7486.07+0.41near the usual relationship
2025-08-1892.3987.56+0.01near the usual relationship
2025-08-1593.7487.55+0.29near the usual relationship
2025-08-1495.7089.15+0.34near the usual relationship
2025-08-1397.3190.87+0.30near the usual relationship
2025-08-1296.5989.73+0.40near the usual relationship
2025-08-1195.1287.78+0.53RIO ahead
2025-08-0894.6991.42-0.34near the usual relationship
2025-08-0793.0289.05-0.18near the usual relationship
2025-08-0691.9886.82+0.09near the usual relationship
2025-08-0591.3886.33+0.07near the usual relationship
2025-08-0491.8484.98+0.48near the usual relationship
2025-08-0191.3183.71+0.66RIO ahead
2025-07-3191.4985.99+0.18near the usual relationship
2025-07-3091.0682.68+0.85RIO ahead
2025-07-2995.3288.27+0.47near the usual relationship
2025-07-2895.1988.68+0.36near the usual relationship
2025-07-2596.5989.67+0.43near the usual relationship
2025-07-2497.7090.85+0.41near the usual relationship
2025-07-2398.9192.08+0.39near the usual relationship
2025-07-2298.4790.55+0.63RIO ahead
2025-07-2194.9889.54+0.15near the usual relationship
2025-07-1892.6788.07+0.00near the usual relationship
2025-07-1791.8988.14-0.17near the usual relationship
2025-07-1691.4188.27-0.29near the usual relationship
2025-07-1589.5089.09-0.87SCCO ahead
2025-07-1491.5791.31-0.90SCCO ahead
2025-07-1193.5392.79-0.80SCCO ahead
2025-07-1091.9993.39-1.23SCCO ahead
2025-07-0989.8791.25-1.23SCCO ahead
2025-07-0889.9094.06-1.80SCCO ahead
2025-07-0788.2695.44-2.46SCCO ahead
2025-07-0390.3496.68-2.29SCCO ahead
2025-07-0292.1296.89-1.97SCCO ahead
2025-07-0189.2493.24-1.86SCCO ahead
2025-06-3089.2992.39-1.69SCCO ahead
2025-06-2789.9193.62-1.82SCCO ahead
2025-06-2689.6795.56-2.31SCCO ahead
2025-06-2586.8188.66-1.47SCCO ahead
2025-06-2487.5488.50-1.27SCCO ahead
2025-06-2387.3986.44-0.84SCCO ahead
2025-06-2085.5585.35-1.01SCCO ahead
2025-06-1887.1686.99-1.03SCCO ahead
2025-06-1787.2687.06-1.03SCCO ahead
2025-06-1689.2588.08-0.81SCCO ahead
2025-06-1388.7886.54-0.56SCCO ahead
2025-06-1289.8287.62-0.58SCCO ahead
2025-06-1190.0587.73-0.55SCCO ahead
2025-06-1091.0389.15-0.66SCCO ahead
2025-06-0990.7988.52-0.57SCCO ahead
2025-06-0690.3687.34-0.39near the usual relationship
2025-06-0590.6887.74-0.41near the usual relationship
2025-06-0489.6285.61-0.15near the usual relationship
2025-06-0390.0884.47+0.23near the usual relationship
2025-06-0291.2084.43+0.50RIO ahead
2025-05-3090.9783.02+0.79RIO ahead
2025-05-2992.1584.37+0.73RIO ahead
2025-05-2891.7683.78+0.79RIO ahead
2025-05-2793.0785.08+0.77RIO ahead
2025-05-2394.2684.33+1.21RIO ahead
2025-05-2293.5682.58+1.49RIO ahead
2025-05-2194.8783.04+1.67RIO ahead
2025-05-2095.2783.72+1.61RIO ahead
2025-05-1995.5083.68+1.68RIO ahead
2025-05-1695.8882.91+1.95RIO ahead
2025-05-1596.0584.21+1.69RIO ahead
2025-05-1494.9585.30+1.22RIO ahead
2025-05-1395.3285.20+1.33RIO ahead
2025-05-1294.0084.26+1.28RIO ahead
2025-05-0991.8181.63+1.46RIO ahead
2025-05-0890.5980.44+1.50RIO ahead
2025-05-0791.8779.87+1.95RIO ahead
2025-05-0691.5482.67+1.18RIO ahead
2025-05-0591.1880.87+1.57RIO ahead
2025-05-0291.3882.32+1.26RIO ahead
2025-05-0189.6282.05+0.94RIO ahead
2025-04-3090.9281.75+1.32RIO ahead
2025-04-2993.1984.81+1.08RIO ahead
2025-04-2893.1785.68+0.87RIO ahead
2025-04-2592.7086.10+0.67RIO ahead
2025-04-2494.4387.52+0.72RIO ahead
2025-04-2392.1584.25+1.00RIO ahead
2025-04-2291.2681.38+1.53RIO ahead
2025-04-2189.5079.12+1.72RIO ahead
2025-04-1789.0478.78+1.72RIO ahead
2025-04-1687.4978.71+1.39RIO ahead
2025-04-1587.6579.30+1.28RIO ahead
2025-04-1487.2680.06+1.00RIO ahead
2025-04-1187.0477.29+1.69RIO ahead
2025-04-1083.9974.74+1.66RIO ahead
2025-04-0985.1277.10+1.31RIO ahead
2025-04-0880.0969.07+2.35RIO ahead
2025-04-0783.5172.51+2.24RIO ahead
2025-04-0483.6871.59+2.60RIO ahead
2025-04-0389.4479.21+1.88RIO ahead
2025-04-0291.6986.17+0.61RIO ahead
2025-04-0192.1985.74+0.85RIO ahead
2025-03-3191.9685.35+0.89RIO ahead
2025-03-2893.4285.97+1.08RIO ahead
2025-03-2795.4288.44+0.94RIO ahead
2025-03-2696.2389.22+0.93RIO ahead
2025-03-2596.1492.68+0.09near the usual relationship
2025-03-2495.1691.00+0.27near the usual relationship
2025-03-2194.8991.70+0.04near the usual relationship
2025-03-2096.3190.61+0.62RIO ahead
2025-03-1997.7590.90+0.87RIO ahead
2025-03-1898.1890.23+1.13RIO ahead
2025-03-1797.1589.39+1.10RIO ahead
2025-03-1496.4987.79+1.31RIO ahead
2025-03-1393.6884.39+1.48RIO ahead
2025-03-1293.0482.50+1.77RIO ahead
2025-03-1194.6781.15+2.40RIO ahead
2025-03-1095.2280.79+2.49RIO ahead
2025-03-0795.3883.07+1.89RIO ahead
2025-03-0697.8782.94+2.31RIO ahead
2025-03-0597.5882.64+2.23RIO ahead
2025-03-0495.1978.47+2.62RIO ahead
2025-03-0393.4579.19+2.07RIO ahead
2025-02-2892.7081.21+1.48RIO ahead
2025-02-2792.9382.64+1.19RIO ahead
2025-02-2694.2685.16+0.91RIO ahead
2025-02-2595.0784.95+1.04RIO ahead
2025-02-2496.0484.84+1.17RIO ahead
2025-02-2197.2484.85+1.30RIO ahead
2025-02-2098.4189.33+0.72RIO ahead
2025-02-1996.0788.02+0.57RIO ahead
2025-02-1898.2488.98+0.69RIO ahead
2025-02-1496.9888.83+0.52RIO ahead
2025-02-1396.8889.35+0.41near the usual relationship
2025-02-1294.9686.08+0.59RIO ahead
2025-02-1194.3784.10+0.75RIO ahead
2025-02-1095.2988.62+0.25near the usual relationship
2025-02-0794.8388.33+0.22near the usual relationship
2025-02-0695.1986.40+0.48near the usual relationship
2025-02-0593.9485.32+0.45near the usual relationship
2025-02-0493.6885.17+0.42near the usual relationship
2025-02-0391.6182.13+0.55RIO ahead
2025-01-3192.4783.67+0.44near the usual relationship
2025-01-3093.2384.61+0.39near the usual relationship
2025-01-2991.4183.44+0.32near the usual relationship
2025-01-2891.6982.67+0.42near the usual relationship
2025-01-2794.8685.97+0.36near the usual relationship
2025-01-2495.0488.13+0.13near the usual relationship
2025-01-2394.2388.75-0.02near the usual relationship
2025-01-2293.5687.99-0.02near the usual relationship
2025-01-2194.4990.12-0.15near the usual relationship
2025-01-1793.5389.61-0.20near the usual relationship
2025-01-1691.5288.97-0.33near the usual relationship
2025-01-1592.5588.58-0.21near the usual relationship
2025-01-1492.4287.07-0.08near the usual relationship
2025-01-1391.1186.53-0.16near the usual relationship
2025-01-1090.0786.40-0.25near the usual relationship
2025-01-0889.7487.31-0.37near the usual relationship
2025-01-0789.0785.64-0.28near the usual relationship
2025-01-0689.3685.44-0.25near the usual relationship
2025-01-0389.7084.03-0.10near the usual relationship
2025-01-0289.9684.16-0.09near the usual relationship
2024-12-3190.0283.22-0.01near the usual relationship
2024-12-3089.6883.52-0.08near the usual relationship
2024-12-2790.3385.12-0.17near the usual relationship
2024-12-2690.6986.39-0.26near the usual relationship
2024-12-2490.6286.24-0.26near the usual relationship
2024-12-2390.6685.45-0.20near the usual relationship
2024-12-2089.7684.94-0.23near the usual relationship
2024-12-1989.9084.00-0.15near the usual relationship
2024-12-1890.8384.89-0.16near the usual relationship
2024-12-1794.0888.35-0.20near the usual relationship
2024-12-1693.7788.94-0.28near the usual relationship
2024-12-1395.2291.32-0.36near the usual relationship
2024-12-1297.1292.72-0.34near the usual relationship
2024-12-1199.4694.53-0.31near the usual relationship
2024-12-1099.2293.63-0.27near the usual relationship
2024-12-0999.3396.38-0.46near the usual relationship
2024-12-0695.0791.32-0.40near the usual relationship
2024-12-0597.2392.35-0.34near the usual relationship
2024-12-0497.0392.44-0.36near the usual relationship
2024-12-0397.2192.54-0.37near the usual relationship
2024-12-0296.8591.37-0.32near the usual relationship
2024-11-2996.1991.64-0.38near the usual relationship
2024-11-2795.3991.06-0.40near the usual relationship
2024-11-2694.9589.99-0.37near the usual relationship
2024-11-2596.4093.16-0.49near the usual relationship
2024-11-2295.4491.09-0.42near the usual relationship
2024-11-2195.7891.95-0.46near the usual relationship
2024-11-2095.5094.06-0.62SCCO ahead
2024-11-1995.5694.78-0.66SCCO ahead
2024-11-1895.0993.00-0.59SCCO ahead
2024-11-1593.3490.63-0.55SCCO ahead
2024-11-1492.5091.57-0.67SCCO ahead
2024-11-1392.7992.23-0.70SCCO ahead
2024-11-1293.6893.79-0.75SCCO ahead
2024-11-1195.8295.67-0.74SCCO ahead
2024-11-0898.6297.82-0.71SCCO ahead
2024-11-07103.28103.66-0.78SCCO ahead
2024-11-06100.00100.00-0.77SCCO ahead

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Sep 24, 2025 (RIO +0.5%, SCCO +8.4%); Jan 9, 2026 (RIO -3.6%, SCCO +6.2%); Feb 4, 2026 (RIO +0.1%, SCCO -9.0%).

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)

3 simulated trades to Nov 3, 2026: -2.84% per trade on average after costs, 1 won.

LegsEnteredExitedWhyDaysBefore costsCosts + borrowAfter costs
Long SCCO · Short RIOMar 4, 2025Mar 24, 2025converged20$1,612.59-$48.79$1,575.01 (+15.75%)
Long RIO · Short SCCOAug 27, 2020Oct 26, 2020divergence stop60-$1,298.73-$73.04-$1,445.55 (-14.46%)
Long RIO · Short SCCOFeb 27, 2018Mar 2, 2018divergence stop3-$915.31-$62.84-$981.84 (-9.82%)

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

The companies

RIO and SCCO at a glance

RIO Rio Tinto Plc

Listing
NYSE · SEC CIK 863064
Industry
Metal Mining · SIC 1000 Metal Mining
Market value
$102.5B
Price history
2,534 daily closes, Oct 12, 2016 to Nov 10, 2026

SCCO Southern Copper Corporation

Listing
NYSE · SEC CIK 1001838
Industry
Metal Mining · SIC 1000 Metal Mining
Market value
$146.5B
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
SCCO / FCXMeasured twinFCX by 0.68 sdMetal Mining
BHP / RIOWatchlistBHP by 1.87 sdSIC 1000 Metal Mining
BHP / SCCOWatchlistBHP by 1.26 sdSIC 1000 Metal Mining
RIO / FCXWatchlistFCX by 0.83 sdMetal Mining

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 beta

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.