Water Supply

American Water Works Company Inc. vs Essential Utilities Inc.

Measured twinAWK / WTRGPrices through Oct 22, 2026

Why these are rivals: #1 and #3 by market value ($27B vs $11B) in Nasdaq's "Water Supply" industry; SEC SIC 4941 / 4941 (same major group); #1 and #3 by market value ($27B vs $11B) with SEC SIC 4941 (Water Supply).

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 = -1.29 (needs |z| >= 2.0)
Business leadership

AWK is the larger business

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

YearAWKWTRGLarger
2025$5.1B$2.5BAWK
2024$4.7B$2.1BAWK
2023$4.2B$2.1BAWK
2022$3.8B$2.3BAWK
2021$3.9B$1.9BAWK
2020$3.7B$1.5BAWK

AWK led in every year with figures for both. Market value: AWK $26.5B, WTRG $11.5B.

Stock leadership

WTRG is ahead now

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

WTRG leads AWK by 1.29 standard deviations: +1.6% over its usual price ratio. 0 lead switches in the last year.

Price change3 mo6 mo12 mo
AWK+6.4%+6.1%-0.6%
WTRG+9.3%+7.4%+3.9%
Relationship

The gap has closed before

Only these tests can make a pair tradable on paper.

Pass
Aligned sessions: 2520 (needs >= 254)
Pass
Co-movement: daily return correlation, 252 sessions: 0.94 (needs >= 0.60)
Pass
Mean reversion: ADF t-statistic of the spread: -3.09 (needs <= -2.873 (5% critical value))
Pass
Speed: half-life of the spread, sessions: 8.09 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

AWK American Water Works Company Inc. WTRG Essential Utilities Inc.Price index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
90100Oct 2024Oct 2025Oct 2026AWK 101WTRG 107
Spread z-score: AWK relative to WTRG, against the 252 sessions before each day. Above 0: AWK ahead; below 0: WTRG ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopOct 2024Oct 2025Oct 2026
Data table (504 sessions)
DateAWK indexWTRG indexzAhead
2026-10-22100.89106.78-1.29WTRG ahead
2026-10-2194.93100.47-1.29WTRG ahead
2026-10-2095.65101.06-1.15WTRG ahead
2026-10-1994.0999.58-1.29WTRG ahead
2026-10-1695.05100.69-1.36WTRG ahead
2026-10-1593.7299.36-1.41WTRG ahead
2026-10-1492.7898.27-1.34WTRG ahead
2026-10-1391.6196.89-1.23WTRG ahead
2026-10-1291.2696.55-1.25WTRG ahead
2026-10-0990.7996.13-1.32WTRG ahead
2026-10-0890.2995.49-1.23WTRG ahead
2026-10-0789.7395.02-1.33WTRG ahead
2026-10-0690.1995.71-1.48WTRG ahead
2026-10-0590.0595.36-1.34WTRG ahead
2026-10-0291.7597.11-1.31WTRG ahead
2026-10-0190.0795.36-1.33WTRG ahead
2026-09-3091.2096.65-1.39WTRG ahead
2026-09-2991.4396.74-1.29WTRG ahead
2026-09-2890.8296.08-1.27WTRG ahead
2026-09-2592.2297.48-1.21WTRG ahead
2026-09-2492.6598.00-1.21WTRG ahead
2026-09-2393.7399.09-1.16WTRG ahead
2026-09-2294.2799.58-1.10WTRG ahead
2026-09-2194.3799.83-1.16WTRG ahead
2026-09-1895.73101.21-1.12WTRG ahead
2026-09-1797.38102.64-0.95WTRG ahead
2026-09-1697.04102.02-0.82WTRG ahead
2026-09-1597.22102.29-0.86WTRG ahead
2026-09-1497.86102.61-0.69WTRG ahead
2026-09-1196.99101.28-0.50WTRG ahead
2026-09-1098.51103.08-0.60WTRG ahead
2026-09-0998.85103.58-0.66WTRG ahead
2026-09-0898.89103.43-0.59WTRG ahead
2026-09-0499.11102.84-0.25near the usual relationship
2026-09-0399.25103.26-0.37near the usual relationship
2026-09-0298.26102.47-0.47near the usual relationship
2026-09-0196.79101.38-0.66WTRG ahead
2026-08-3197.37101.53-0.48near the usual relationship
2026-08-2897.42101.36-0.40near the usual relationship
2026-08-2796.29100.00-0.34near the usual relationship
2026-08-2696.85100.52-0.32near the usual relationship
2026-08-2596.93100.52-0.30near the usual relationship
2026-08-2498.56101.95-0.21near the usual relationship
2026-08-2195.3799.09-0.38near the usual relationship
2026-08-2096.6599.65-0.11near the usual relationship
2026-08-1997.71101.23-0.29near the usual relationship
2026-08-1895.9999.51-0.32near the usual relationship
2026-08-1794.6498.15-0.34near the usual relationship
2026-08-1495.9499.58-0.38near the usual relationship
2026-08-1396.1399.78-0.38near the usual relationship
2026-08-1295.0498.30-0.27near the usual relationship
2026-08-1195.8498.84-0.19near the usual relationship
2026-08-1095.4198.10-0.10near the usual relationship
2026-08-0795.3298.74-0.35near the usual relationship
2026-08-0694.9798.35-0.34near the usual relationship
2026-08-0594.5197.63-0.28near the usual relationship
2026-08-0494.4097.56-0.30near the usual relationship
2026-08-0392.4995.64-0.32near the usual relationship
2026-07-3194.5198.27-0.48near the usual relationship
2026-07-3096.3799.51-0.29near the usual relationship
2026-07-2997.27100.37-0.28near the usual relationship
2026-07-2897.24100.39-0.31near the usual relationship
2026-07-2794.7997.51-0.22near the usual relationship
2026-07-2494.8697.68-0.25near the usual relationship
2026-07-2394.6897.63-0.30near the usual relationship
2026-07-2294.2797.16-0.29near the usual relationship
2026-07-2192.6595.98-0.43near the usual relationship
2026-07-2094.1597.14-0.33near the usual relationship
2026-07-1795.1797.88-0.26near the usual relationship
2026-07-1694.6397.34-0.27near the usual relationship
2026-07-1591.0293.54-0.26near the usual relationship
2026-07-1492.6895.17-0.25near the usual relationship
2026-07-1392.6595.17-0.26near the usual relationship
2026-07-1092.0695.14-0.41near the usual relationship
2026-07-0991.9695.02-0.41near the usual relationship
2026-07-0892.9095.59-0.32near the usual relationship
2026-07-0794.9796.37-0.02near the usual relationship
2026-07-0693.7595.34-0.07near the usual relationship
2026-07-0296.4197.11+0.13near the usual relationship
2026-07-0192.8493.79+0.06near the usual relationship
2026-06-3092.6994.48-0.14near the usual relationship
2026-06-2993.3494.77-0.07near the usual relationship
2026-06-2693.4695.31-0.17near the usual relationship
2026-06-2591.5893.54-0.21near the usual relationship
2026-06-2491.3293.17-0.19near the usual relationship
2026-06-2389.1891.96-0.43near the usual relationship
2026-06-2288.0090.46-0.36near the usual relationship
2026-06-1888.1090.51-0.36near the usual relationship
2026-06-1788.3491.12-0.45near the usual relationship
2026-06-1690.5093.49-0.49near the usual relationship
2026-06-1589.3792.63-0.56WTRG ahead
2026-06-1288.9892.50-0.63WTRG ahead
2026-06-1187.6791.59-0.74WTRG ahead
2026-06-1089.0892.65-0.65WTRG ahead
2026-06-0988.4392.53-0.78WTRG ahead
2026-06-0886.2890.38-0.81WTRG ahead
2026-06-0587.6892.13-0.88WTRG ahead
2026-06-0486.1290.63-0.92WTRG ahead
2026-06-0387.2191.25-0.81WTRG ahead
2026-06-0287.1291.34-0.86WTRG ahead
2026-06-0185.3389.40-0.85WTRG ahead
2026-05-2986.8390.97-0.86WTRG ahead
2026-05-2886.1990.48-0.91WTRG ahead
2026-05-2787.1991.44-0.89WTRG ahead
2026-05-2687.2491.62-0.93WTRG ahead
2026-05-2288.1992.33-0.87WTRG ahead
2026-05-2187.2691.22-0.85WTRG ahead
2026-05-2086.1990.11-0.86WTRG ahead
2026-05-1987.4691.52-0.88WTRG ahead
2026-05-1887.9391.84-0.85WTRG ahead
2026-05-1587.5591.27-0.82WTRG ahead
2026-05-1488.7492.50-0.82WTRG ahead
2026-05-1389.7293.46-0.82WTRG ahead
2026-05-1289.9293.66-0.82WTRG ahead
2026-05-1188.7692.65-0.87WTRG ahead
2026-05-0888.0992.40-0.98WTRG ahead
2026-05-0788.9092.97-0.92WTRG ahead
2026-05-0688.5392.58-0.93WTRG ahead
2026-05-0588.7992.45-0.85WTRG ahead
2026-05-0489.3693.59-0.97WTRG ahead
2026-05-0189.7393.79-0.94WTRG ahead
2026-04-3090.4694.20-0.87WTRG ahead
2026-04-2992.9697.39-1.00WTRG ahead
2026-04-2893.4697.73-0.97WTRG ahead
2026-04-2792.9697.19-0.97WTRG ahead
2026-04-2493.2897.46-0.96WTRG ahead
2026-04-2395.0899.46-1.00WTRG ahead
2026-04-2292.3796.08-0.89WTRG ahead
2026-04-2193.0296.67-0.88WTRG ahead
2026-04-2093.8698.13-1.01WTRG ahead
2026-04-1792.7196.18-0.85WTRG ahead
2026-04-1692.0795.49-0.86WTRG ahead
2026-04-1591.7995.14-0.85WTRG ahead
2026-04-1493.9697.34-0.84WTRG ahead
2026-04-1394.6897.63-0.76WTRG ahead
2026-04-1096.66100.27-0.89WTRG ahead
2026-04-0998.09101.26-0.79WTRG ahead
2026-04-0896.0699.43-0.86WTRG ahead
2026-04-0795.3699.80-1.09WTRG ahead
2026-04-0697.15100.84-0.93WTRG ahead
2026-04-0297.31101.31-1.00WTRG ahead
2026-04-0196.36100.22-0.99WTRG ahead
2026-03-3195.8799.31-0.91WTRG ahead
2026-03-3097.79101.23-0.90WTRG ahead
2026-03-2796.4199.48-0.85WTRG ahead
2026-03-2696.87100.59-0.98WTRG ahead
2026-03-2594.8197.78-0.85WTRG ahead
2026-03-2494.1097.90-1.04WTRG ahead
2026-03-2395.6198.64-0.87WTRG ahead
2026-03-2095.6598.47-0.83WTRG ahead
2026-03-1996.5899.80-0.92WTRG ahead
2026-03-1896.33100.30-1.08WTRG ahead
2026-03-1797.37100.67-0.94WTRG ahead
2026-03-1698.00101.21-0.93WTRG ahead
2026-03-1398.40102.71-1.15WTRG ahead
2026-03-1297.39101.26-1.08WTRG ahead
2026-03-1194.6398.05-1.02WTRG ahead
2026-03-1093.5897.44-1.13WTRG ahead
2026-03-0997.02100.74-1.08WTRG ahead
2026-03-0696.8599.51-0.86WTRG ahead
2026-03-0594.8497.61-0.91WTRG ahead
2026-03-0496.0999.24-0.98WTRG ahead
2026-03-0395.6798.91-1.01WTRG ahead
2026-03-0295.4199.01-1.10WTRG ahead
2026-02-2795.8298.57-0.92WTRG ahead
2026-02-2694.6298.10-1.09WTRG ahead
2026-02-2594.5598.40-1.18WTRG ahead
2026-02-2494.4598.05-1.14WTRG ahead
2026-02-2393.6396.87-1.07WTRG ahead
2026-02-2091.1395.39-1.33WTRG ahead
2026-02-1992.5396.40-1.24WTRG ahead
2026-02-1892.3996.08-1.21WTRG ahead
2026-02-1794.0597.66-1.18WTRG ahead
2026-02-1394.0497.98-1.26WTRG ahead
2026-02-1290.4395.14-1.49WTRG ahead
2026-02-1187.1392.33-1.65WTRG ahead
2026-02-1088.0792.87-1.56WTRG ahead
2026-02-0986.6190.92-1.47WTRG ahead
2026-02-0687.5892.28-1.56WTRG ahead
2026-02-0588.5392.95-1.49WTRG ahead
2026-02-0487.5692.23-1.58WTRG ahead
2026-02-0388.6893.44-1.60WTRG ahead
2026-02-0289.1694.33-1.70WTRG ahead
2026-01-3090.9695.66-1.58WTRG ahead
2026-01-2990.8795.46-1.57WTRG ahead
2026-01-2889.5093.96-1.57WTRG ahead
2026-01-2791.9596.84-1.66WTRG ahead
2026-01-2692.1096.97-1.67WTRG ahead
2026-01-2391.3796.65-1.79WTRG ahead
2026-01-2292.6797.66-1.72WTRG ahead
2026-01-2192.2796.74-1.62WTRG ahead
2026-01-2092.5896.97-1.61WTRG ahead
2026-01-1693.9398.20-1.58WTRG ahead
2026-01-1593.9398.64-1.71WTRG ahead
2026-01-1493.3097.95-1.72WTRG ahead
2026-01-1392.4696.65-1.63WTRG ahead
2026-01-1291.7996.55-1.79WTRG ahead
2026-01-0990.1594.50-1.72WTRG ahead
2026-01-0891.0694.90-1.58WTRG ahead
2026-01-0789.6593.76-1.68WTRG ahead
2026-01-0690.8594.90-1.66WTRG ahead
2026-01-0589.7493.19-1.52WTRG ahead
2026-01-0291.8095.36-1.53WTRG ahead
2025-12-3191.9394.60-1.30WTRG ahead
2025-12-3092.3794.82-1.24WTRG ahead
2025-12-2992.2495.46-1.45WTRG ahead
2025-12-2691.9695.12-1.44WTRG ahead
2025-12-2492.4895.12-1.31WTRG ahead
2025-12-2392.1094.77-1.32WTRG ahead
2025-12-2292.7595.12-1.24WTRG ahead
2025-12-1991.7593.54-1.09WTRG ahead
2025-12-1893.7095.36-1.04WTRG ahead
2025-12-1794.4096.20-1.07WTRG ahead
2025-12-1693.4994.48-0.85WTRG ahead
2025-12-1594.4894.77-0.67WTRG ahead
2025-12-1292.6793.59-0.83WTRG ahead
2025-12-1191.6492.90-0.91WTRG ahead
2025-12-1090.6791.64-0.84WTRG ahead
2025-12-0990.2791.81-0.98WTRG ahead
2025-12-0890.4992.38-1.07WTRG ahead
2025-12-0591.2293.71-1.22WTRG ahead
2025-12-0490.8293.46-1.26WTRG ahead
2025-12-0392.2695.83-1.48WTRG ahead
2025-12-0292.1095.81-1.52WTRG ahead
2025-12-0192.2897.09-1.81WTRG ahead
2025-11-2891.6297.63-2.13WTRG ahead
2025-11-2691.4796.82-1.99WTRG ahead
2025-11-2591.8597.46-2.07WTRG ahead
2025-11-2492.6498.47-2.14WTRG ahead
2025-11-2193.5198.94-2.05WTRG ahead
2025-11-2090.2695.36-2.03WTRG ahead
2025-11-1989.5594.43-2.00WTRG ahead
2025-11-1891.5196.55-2.03WTRG ahead
2025-11-1793.4698.50-2.02WTRG ahead
2025-11-1492.7297.83-2.06WTRG ahead
2025-11-1392.6098.52-2.29WTRG ahead
2025-11-1291.4196.37-2.07WTRG ahead
2025-11-1191.5897.31-2.29WTRG ahead
2025-11-1090.8396.82-2.38WTRG ahead
2025-11-0792.1797.78-2.27WTRG ahead
2025-11-0691.2297.44-2.49WTRG ahead
2025-11-0592.2697.85-2.33WTRG ahead
2025-11-0490.2294.70-2.07WTRG ahead
2025-11-0388.7493.91-2.33WTRG ahead
2025-10-3190.4796.25-2.51WTRG ahead
2025-10-3089.2595.66-2.76WTRG ahead
2025-10-2991.6296.60-2.33WTRG ahead
2025-10-2894.96100.00-2.32WTRG ahead
2025-10-2797.20100.20-1.72WTRG ahead
2025-10-2499.74101.63-1.39WTRG ahead
2025-10-23100.44101.85-1.25WTRG ahead
2025-10-22101.25102.81-1.29WTRG ahead
2025-10-21101.55102.81-1.21WTRG ahead
2025-10-20102.44103.40-1.13WTRG ahead
2025-10-17101.30101.73-0.98WTRG ahead
2025-10-16100.88101.95-1.17WTRG ahead
2025-10-15100.40100.30-0.83WTRG ahead
2025-10-1499.7298.52-0.50WTRG ahead
2025-10-1398.3698.10-0.78WTRG ahead
2025-10-10100.72100.39-0.77WTRG ahead
2025-10-0999.3699.80-1.00WTRG ahead
2025-10-0899.34101.21-1.43WTRG ahead
2025-10-07100.39100.20-0.83WTRG ahead
2025-10-0697.8798.82-1.18WTRG ahead
2025-10-0397.0397.11-0.93WTRG ahead
2025-10-0295.5195.12-0.79WTRG ahead
2025-10-0195.8595.73-0.88WTRG ahead
2025-09-3098.0598.40-1.03WTRG ahead
2025-09-2996.5396.47-0.91WTRG ahead
2025-09-2696.0695.27-0.70WTRG ahead
2025-09-2595.1793.19-0.33near the usual relationship
2025-09-2496.0993.22-0.07near the usual relationship
2025-09-2396.6392.55+0.29near the usual relationship
2025-09-2295.1391.34+0.21near the usual relationship
2025-09-1995.1491.29+0.22near the usual relationship
2025-09-1895.3791.76+0.14near the usual relationship
2025-09-1795.8792.01+0.21near the usual relationship
2025-09-1695.9891.99+0.24near the usual relationship
2025-09-1596.9193.22+0.14near the usual relationship
2025-09-1298.1194.48+0.10near the usual relationship
2025-09-1198.3694.30+0.22near the usual relationship
2025-09-1097.5693.64+0.19near the usual relationship
2025-09-0998.6894.40+0.28near the usual relationship
2025-09-0898.6394.62+0.20near the usual relationship
2025-09-05101.1697.04+0.20near the usual relationship
2025-09-0499.7396.18+0.05near the usual relationship
2025-09-0399.1195.29+0.14near the usual relationship
2025-09-0299.6195.76+0.14near the usual relationship
2025-08-29101.0997.44+0.07near the usual relationship
2025-08-28100.6897.81-0.15near the usual relationship
2025-08-27101.9798.22+0.09near the usual relationship
2025-08-26101.4096.25+0.50AWK ahead
2025-08-25101.7296.40+0.55AWK ahead
2025-08-22102.9997.71+0.52AWK ahead
2025-08-21102.7596.72+0.74AWK ahead
2025-08-20102.5896.84+0.66AWK ahead
2025-08-19102.2996.67+0.64AWK ahead
2025-08-18100.4995.34+0.54AWK ahead
2025-08-15101.3896.62+0.41near the usual relationship
2025-08-14101.0296.35+0.39near the usual relationship
2025-08-13101.2596.60+0.39near the usual relationship
2025-08-12100.0995.64+0.35near the usual relationship
2025-08-11102.5396.23+0.85AWK ahead
2025-08-08102.4095.64+0.99AWK ahead
2025-08-07101.7394.77+1.07AWK ahead
2025-08-0699.9693.49+0.97AWK ahead
2025-08-0599.6893.49+0.89AWK ahead
2025-08-04103.5594.53+1.67AWK ahead
2025-08-01102.6594.16+1.55AWK ahead
2025-07-3198.7990.75+1.52AWK ahead
2025-07-3098.3791.05+1.32AWK ahead
2025-07-2999.2991.74+1.38AWK ahead
2025-07-2897.7190.58+1.30AWK ahead
2025-07-2598.8491.49+1.35AWK ahead
2025-07-2498.9891.66+1.35AWK ahead
2025-07-2399.9492.97+1.23AWK ahead
2025-07-22102.0893.76+1.60AWK ahead
2025-07-21100.6292.40+1.62AWK ahead
2025-07-18100.6792.23+1.71AWK ahead
2025-07-17100.1891.96+1.67AWK ahead
2025-07-1699.8391.86+1.61AWK ahead
2025-07-1599.2092.40+1.27AWK ahead
2025-07-14100.9893.34+1.51AWK ahead
2025-07-11100.2392.06+1.71AWK ahead
2025-07-10100.5192.58+1.64AWK ahead
2025-07-0999.8992.11+1.62AWK ahead
2025-07-0899.3491.47+1.68AWK ahead
2025-07-0798.5990.97+1.64AWK ahead
2025-07-0398.6590.70+1.76AWK ahead
2025-07-0298.8491.52+1.57AWK ahead
2025-07-01100.4292.92+1.60AWK ahead
2025-06-3097.9991.59+1.31AWK ahead
2025-06-2797.1591.05+1.25AWK ahead
2025-06-2697.5191.17+1.32AWK ahead
2025-06-2598.6591.47+1.59AWK ahead
2025-06-24100.1593.37+1.44AWK ahead
2025-06-23101.4393.74+1.72AWK ahead
2025-06-2099.5092.08+1.69AWK ahead
2025-06-1899.3992.21+1.64AWK ahead
2025-06-1799.2791.39+1.89AWK ahead
2025-06-1698.9592.18+1.54AWK ahead
2025-06-1399.6393.83+1.22AWK ahead
2025-06-1299.5594.60+0.95AWK ahead
2025-06-1199.0593.96+1.01AWK ahead
2025-06-1099.5194.35+1.04AWK ahead
2025-06-0998.4993.44+1.03AWK ahead
2025-06-0698.6592.85+1.28AWK ahead
2025-06-0598.6392.87+1.28AWK ahead
2025-06-0497.8092.03+1.31AWK ahead
2025-06-0399.9394.82+1.06AWK ahead
2025-06-02100.3295.07+1.11AWK ahead
2025-05-30100.7195.02+1.26AWK ahead
2025-05-2999.7094.72+1.05AWK ahead
2025-05-2899.2394.01+1.15AWK ahead
2025-05-27100.8395.76+1.08AWK ahead
2025-05-23101.1695.83+1.17AWK ahead
2025-05-2299.9295.09+1.03AWK ahead
2025-05-21101.0795.91+1.13AWK ahead
2025-05-20101.3196.94+0.88AWK ahead
2025-05-19101.2396.55+0.99AWK ahead
2025-05-16100.4295.83+0.98AWK ahead
2025-05-1598.8894.11+1.07AWK ahead
2025-05-1494.2791.15+0.59AWK ahead
2025-05-1394.2892.28+0.22near the usual relationship
2025-05-1297.6696.47-0.06near the usual relationship
2025-05-09103.51100.52+0.47near the usual relationship
2025-05-08102.42100.12+0.27near the usual relationship
2025-05-07104.31101.11+0.53AWK ahead
2025-05-06105.10102.07+0.48near the usual relationship
2025-05-05104.36100.86+0.63AWK ahead
2025-05-02103.63100.39+0.57AWK ahead
2025-05-01103.15100.39+0.43near the usual relationship
2025-04-30103.56101.43+0.25near the usual relationship
2025-04-29102.75100.54+0.29near the usual relationship
2025-04-28101.6399.33+0.33near the usual relationship
2025-04-25101.4298.94+0.39near the usual relationship
2025-04-24102.8799.56+0.63AWK ahead
2025-04-23103.67100.91+0.47near the usual relationship
2025-04-22105.14101.58+0.69AWK ahead
2025-04-21103.6499.09+0.99AWK ahead
2025-04-17104.5499.95+1.00AWK ahead
2025-04-16103.1398.77+0.96AWK ahead
2025-04-15103.4798.42+1.16AWK ahead
2025-04-14104.8499.04+1.37AWK ahead
2025-04-11102.9197.09+1.42AWK ahead
2025-04-10100.8494.57+1.59AWK ahead
2025-04-0997.9193.12+1.21AWK ahead
2025-04-0899.2392.77+1.70AWK ahead
2025-04-07100.2894.50+1.49AWK ahead
2025-04-04103.7197.56+1.55AWK ahead
2025-04-03107.04100.22+1.69AWK ahead
2025-04-02102.9897.14+1.49AWK ahead
2025-04-01103.5597.53+1.54AWK ahead
2025-03-31103.9297.48+1.67AWK ahead
2025-03-28103.0196.89+1.61AWK ahead
2025-03-27100.7795.31+1.46AWK ahead
2025-03-2699.4295.12+1.14AWK ahead
2025-03-2598.0393.46+1.24AWK ahead
2025-03-2498.4194.08+1.18AWK ahead
2025-03-2199.4294.97+1.21AWK ahead
2025-03-2099.8995.83+1.10AWK ahead
2025-03-19100.0696.52+0.96AWK ahead
2025-03-18101.9797.90+1.09AWK ahead
2025-03-17102.0198.27+1.01AWK ahead
2025-03-14101.6697.41+1.16AWK ahead
2025-03-13100.4196.52+1.08AWK ahead
2025-03-1299.2395.07+1.18AWK ahead
2025-03-11101.0497.78+0.92AWK ahead
2025-03-10105.18100.05+1.39AWK ahead
2025-03-07102.4298.18+1.20AWK ahead
2025-03-0697.3494.82+0.77AWK ahead
2025-03-0597.0894.92+0.68AWK ahead
2025-03-0498.0695.56+0.77AWK ahead
2025-03-0398.3296.42+0.61AWK ahead
2025-02-2895.7893.66+0.69AWK ahead
2025-02-2794.4192.65+0.60AWK ahead
2025-02-2695.1492.50+0.85AWK ahead
2025-02-2596.6893.74+0.94AWK ahead
2025-02-2494.1091.32+0.92AWK ahead
2025-02-2193.4690.14+1.09AWK ahead
2025-02-2090.6488.68+0.72AWK ahead
2025-02-1990.0787.60+0.88AWK ahead
2025-02-1889.5887.94+0.64AWK ahead
2025-02-1488.5286.81+0.67AWK ahead
2025-02-1389.3788.36+0.46near the usual relationship
2025-02-1288.0788.09+0.15near the usual relationship
2025-02-1188.1187.32+0.40near the usual relationship
2025-02-1086.7286.17+0.33near the usual relationship
2025-02-0786.2886.71+0.03near the usual relationship
2025-02-0687.3387.13+0.23near the usual relationship
2025-02-0587.0787.10+0.16near the usual relationship
2025-02-0487.2487.35+0.14near the usual relationship
2025-02-0388.5988.80+0.10near the usual relationship
2025-01-3187.8087.50+0.26near the usual relationship
2025-01-3087.1187.45+0.07near the usual relationship
2025-01-2987.5286.71+0.43near the usual relationship
2025-01-2888.9988.06+0.46near the usual relationship
2025-01-2791.5487.37+1.43AWK ahead
2025-01-2485.6882.59+1.18AWK ahead
2025-01-2385.8182.86+1.14AWK ahead
2025-01-2285.7182.89+1.11AWK ahead
2025-01-2188.9986.14+1.09AWK ahead
2025-01-1789.1886.34+1.10AWK ahead
2025-01-1689.0186.66+0.95AWK ahead
2025-01-1587.0285.06+0.85AWK ahead
2025-01-1486.3184.12+0.93AWK ahead
2025-01-1385.2483.21+0.90AWK ahead
2025-01-1085.3284.04+0.65AWK ahead
2025-01-0886.3786.31+0.26near the usual relationship
2025-01-0785.6886.98-0.16near the usual relationship
2025-01-0685.9287.40-0.22near the usual relationship
2025-01-0387.1989.17-0.37near the usual relationship
2025-01-0287.2588.88-0.27near the usual relationship
2024-12-3187.6989.57-0.34near the usual relationship
2024-12-3087.5289.32-0.32near the usual relationship
2024-12-2788.2689.91-0.28near the usual relationship
2024-12-2688.8790.28-0.20near the usual relationship
2024-12-2488.5789.77-0.14near the usual relationship
2024-12-2388.7489.40+0.02near the usual relationship
2024-12-2088.7089.67-0.08near the usual relationship
2024-12-1987.2389.22-0.40near the usual relationship
2024-12-1887.6589.37-0.32near the usual relationship
2024-12-1791.0093.69-0.59WTRG ahead
2024-12-1690.8194.57-0.90WTRG ahead
2024-12-1391.2995.41-1.01WTRG ahead
2024-12-1291.9696.37-1.09WTRG ahead
2024-12-1191.8195.24-0.82WTRG ahead
2024-12-1092.2796.37-1.01WTRG ahead
2024-12-0992.0895.76-0.90WTRG ahead
2024-12-0693.2496.03-0.65WTRG ahead
2024-12-0593.0596.97-0.97WTRG ahead
2024-12-0492.2996.60-1.09WTRG ahead
2024-12-0394.4697.83-0.82WTRG ahead
2024-12-0295.5299.11-0.88WTRG ahead
2024-11-2996.4698.72-0.52WTRG ahead
2024-11-2797.4399.33-0.43near the usual relationship
2024-11-2696.9298.74-0.42near the usual relationship
2024-11-2596.3298.91-0.63WTRG ahead
2024-11-2296.7297.48-0.15near the usual relationship
2024-11-2197.7797.07+0.23near the usual relationship
2024-11-2097.1396.03+0.33near the usual relationship
2024-11-1997.3596.05+0.37near the usual relationship
2024-11-1896.2795.71+0.17near the usual relationship
2024-11-1594.5595.19-0.15near the usual relationship
2024-11-1493.0094.35-0.35near the usual relationship
2024-11-1393.2995.02-0.45near the usual relationship
2024-11-1293.2996.30-0.79WTRG ahead
2024-11-1194.9498.10-0.82WTRG ahead
2024-11-0895.8797.83-0.52WTRG ahead
2024-11-0793.5896.42-0.76WTRG ahead
2024-11-0694.1099.51-1.42WTRG ahead
2024-11-0596.5898.94-0.63WTRG ahead
2024-11-0495.3195.27-0.02near the usual relationship
2024-11-0195.8094.30+0.36near the usual relationship
2024-10-3197.2995.19+0.51AWK ahead
2024-10-3095.5895.54-0.02near the usual relationship
2024-10-2995.6694.94+0.15near the usual relationship
2024-10-2897.7796.57+0.27near the usual relationship
2024-10-2596.9795.78+0.28near the usual relationship
2024-10-2498.4897.24+0.28near the usual relationship
2024-10-23100.1199.36+0.16near the usual relationship
2024-10-2299.1599.85-0.21near the usual relationship
2024-10-2199.3699.58-0.09near the usual relationship
2024-10-18100.00100.00-0.03near the usual relationship

No one-day company-specific move of 4+ standard deviations in this window. Upcoming earnings: AWK Oct 28, 2026 (after-hours); WTRG Nov 3, 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)

3 simulated trades to Oct 20, 2026: +2.00% per trade on average after costs, 2 won.

LegsEnteredExitedWhyDaysBefore costsCosts + borrowAfter costs
Long AWK · Short WTRGOct 23, 2019Mar 2, 2020converged131$870.51-$80.46$773.35 (+7.73%)
Long AWK · Short WTRGDec 22, 2017Jan 3, 2018divergence stop12-$235.65-$85.30-$322.45 (-3.23%)
Long WTRG · Short AWKOct 25, 2017Nov 30, 2017converged36$234.06-$91.07$147.48 (+1.48%)

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

The companies

AWK and WTRG at a glance

AWK American Water Works Company Inc.

Listing
NYSE · SEC CIK 1410636
Industry
Water Supply · SIC 4941 Water Supply
Market value
$26.5B
Price history
2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

WTRG Essential Utilities Inc.

Listing
NYSE · SEC CIK 78128
Industry
Water Supply · SIC 4941 Water Supply
Market value
$11.5B
Price history
2,520 daily closes, Oct 12, 2016 to Oct 22, 2026

Daily prices: Nasdaq.com. Filings and industry codes: SEC EDGAR. Earnings dates: Nasdaq earnings calendar.

Related
All pairs →
PairStatusAhead nowIndustry
AWK / SBSWatchlistSBS by 0.41 sdWater Supply
SBS / WTRGWatchlistSBS by 0.27 sdWater Supply

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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.