EDP Services

Automatic Data Processing Inc. vs Infosys Limited

WatchlistADP / INFYPrices through Oct 22, 2026

Why these are rivals: #1 and #2 by market value ($114B vs $49B) in Nasdaq's "EDP Services" industry; SEC SIC 7374 / 7371 (same major group).

Rivals, but right now the price gap does not have a measured habit of closing, so there is no paper idea, whatever the gap.

  • Co-movement: daily return correlation, 252 sessions: 0.55 (needs >= 0.60)
  • Mean reversion: ADF t-statistic of the spread: -0.25 (needs <= -2.873 (5% critical value))
  • Speed: half-life of the spread, sessions: 291.08 (needs <= 63)
Business leadership

Business size

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

YearADPINFYLarger
2025$20.6B--
2024$19.2B--
2023$18.0B--
2022$16.5B--
2021$15.0B--
2020$14.6B--

Market value: ADP $113.7B, INFY $49.5B.

Stock leadership

ADP is ahead now

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

ADP leads INFY by 1.33 standard deviations: +32.0% over its usual price ratio. 1 lead switch in the last year.

Price change3 mo6 mo12 mo
ADP+23.1%+55.1%+8.4%
INFY+19.0%+2.2%-24.1%
Relationship

Not a measured twin today

Only these tests can make a pair tradable on paper.

Pass
Aligned sessions: 2521 (needs >= 254)
Fail
Co-movement: daily return correlation, 252 sessions: 0.55 (needs >= 0.60)
Fail
Mean reversion: ADF t-statistic of the spread: -0.25 (needs <= -2.873 (5% critical value))
Fail
Speed: half-life of the spread, sessions: 291.08 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

ADP Automatic Data Processing Inc. INFY Infosys LimitedPrice index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
6080100Oct 2024Oct 2025Oct 2026ADP 105INFY 59
Spread z-score: ADP relative to INFY, against the 252 sessions before each day. Above 0: ADP ahead; below 0: INFY ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopOct 2024Oct 2025Oct 2026
Data table (504 sessions)
DateADP indexINFY indexzAhead
2026-10-22105.3558.73+1.33ADP ahead
2026-10-21100.7656.64+1.30ADP ahead
2026-10-20100.1656.24+1.31ADP ahead
2026-10-1998.2054.20+1.41ADP ahead
2026-10-1698.8454.38+1.43ADP ahead
2026-10-1597.7353.89+1.44ADP ahead
2026-10-1495.9051.00+1.63ADP ahead
2026-10-1394.3950.64+1.60ADP ahead
2026-10-1293.6848.11+1.83ADP ahead
2026-10-0992.6847.67+1.85ADP ahead
2026-10-0892.6247.53+1.88ADP ahead
2026-10-0790.3246.87+1.84ADP ahead
2026-10-0689.7646.87+1.83ADP ahead
2026-10-0589.0447.80+1.70ADP ahead
2026-10-0288.1649.04+1.53ADP ahead
2026-10-0190.3150.42+1.53ADP ahead
2026-09-3088.2947.80+1.70ADP ahead
2026-09-2989.5747.27+1.85ADP ahead
2026-09-2889.5746.73+1.93ADP ahead
2026-09-2590.2146.65+2.01ADP ahead
2026-09-2490.0246.65+2.02ADP ahead
2026-09-2390.2147.76+1.93ADP ahead
2026-09-2292.2547.80+2.07ADP ahead
2026-09-2192.3548.38+2.03ADP ahead
2026-09-1892.7948.07+2.12ADP ahead
2026-09-1793.1449.18+2.04ADP ahead
2026-09-1693.4749.22+2.08ADP ahead
2026-09-1594.6150.29+2.05ADP ahead
2026-09-1494.6451.53+1.94ADP ahead
2026-09-1191.7849.18+2.05ADP ahead
2026-09-1091.4648.47+2.14ADP ahead
2026-09-0990.7448.56+2.11ADP ahead
2026-09-0891.6849.44+2.09ADP ahead
2026-09-0494.9851.98+2.03ADP ahead
2026-09-0397.0053.71+1.98ADP ahead
2026-09-0296.1953.18+2.01ADP ahead
2026-09-0196.9953.31+2.07ADP ahead
2026-08-3197.9053.58+2.12ADP ahead
2026-08-2898.3553.53+2.18ADP ahead
2026-08-2797.4052.87+2.23ADP ahead
2026-08-2696.2751.93+2.30ADP ahead
2026-08-2596.7553.44+2.17ADP ahead
2026-08-2496.8352.51+2.32ADP ahead
2026-08-2196.0753.04+2.23ADP ahead
2026-08-2095.5252.55+2.28ADP ahead
2026-08-1994.8453.44+2.15ADP ahead
2026-08-1892.1452.55+2.09ADP ahead
2026-08-1791.0351.62+2.15ADP ahead
2026-08-1493.3953.71+2.08ADP ahead
2026-08-1394.5155.13+2.00ADP ahead
2026-08-1292.1454.55+1.91ADP ahead
2026-08-1192.7555.98+1.79ADP ahead
2026-08-1093.6355.80+1.89ADP ahead
2026-08-0792.8355.66+1.86ADP ahead
2026-08-0693.5754.91+2.04ADP ahead
2026-08-0592.4055.44+1.89ADP ahead
2026-08-0492.5955.98+1.86ADP ahead
2026-08-0392.3054.42+2.05ADP ahead
2026-07-3191.1653.44+2.12ADP ahead
2026-07-3090.2853.09+2.12ADP ahead
2026-07-2993.5355.98+2.01ADP ahead
2026-07-2890.3854.86+1.92ADP ahead
2026-07-2787.2451.98+2.09ADP ahead
2026-07-2485.5649.36+2.36ADP ahead
2026-07-2383.1047.40+2.48ADP ahead
2026-07-2283.1848.56+2.34ADP ahead
2026-07-2184.2449.58+2.31ADP ahead
2026-07-2087.3250.24+2.53ADP ahead
2026-07-1787.3351.04+2.44ADP ahead
2026-07-1687.7851.22+2.50ADP ahead
2026-07-1584.6749.04+2.60ADP ahead
2026-07-1484.3149.09+2.60ADP ahead
2026-07-1385.8951.09+2.46ADP ahead
2026-07-1082.7748.60+2.61ADP ahead
2026-07-0982.5549.44+2.49ADP ahead
2026-07-0882.5848.56+2.69ADP ahead
2026-07-0784.0350.07+2.62ADP ahead
2026-07-0681.9448.33+2.76ADP ahead
2026-07-0282.8949.58+2.69ADP ahead
2026-07-0180.6547.31+2.92ADP ahead
2026-06-3076.6246.60+2.63ADP ahead
2026-06-2976.9747.53+2.53ADP ahead
2026-06-2676.4847.89+2.44ADP ahead
2026-06-2574.0146.96+2.34ADP ahead
2026-06-2475.2248.56+2.20ADP ahead
2026-06-2375.4447.93+2.38ADP ahead
2026-06-2273.4247.85+2.16ADP ahead
2026-06-1874.7246.96+2.56ADP ahead
2026-06-1774.8451.98+1.56ADP ahead
2026-06-1675.9553.18+1.49ADP ahead
2026-06-1576.3751.53+1.89ADP ahead
2026-06-1277.3952.15+1.92ADP ahead
2026-06-1177.2451.53+2.04ADP ahead
2026-06-1079.0752.24+2.17ADP ahead
2026-06-0979.0954.38+1.76ADP ahead
2026-06-0878.3754.55+1.63ADP ahead
2026-06-0579.3655.09+1.66ADP ahead
2026-06-0479.1455.84+1.49ADP ahead
2026-06-0377.9255.35+1.42ADP ahead
2026-06-0279.0958.11+1.07ADP ahead
2026-06-0179.9759.57+0.92ADP ahead
2026-05-2975.9056.20+0.98ADP ahead
2026-05-2875.2256.42+0.85ADP ahead
2026-05-2774.4655.04+1.00ADP ahead
2026-05-2674.7053.67+1.30ADP ahead
2026-05-2277.0856.29+1.13ADP ahead
2026-05-2175.2956.15+0.91ADP ahead
2026-05-2075.5056.73+0.83ADP ahead
2026-05-1975.4256.51+0.85ADP ahead
2026-05-1876.2755.93+1.09ADP ahead
2026-05-1573.3853.62+1.13ADP ahead
2026-05-1471.2951.80+1.19ADP ahead
2026-05-1371.3852.69+1.03ADP ahead
2026-05-1273.1553.53+1.12ADP ahead
2026-05-1172.4254.64+0.80ADP ahead
2026-05-0872.8757.00+0.41near the usual relationship
2026-05-0773.2555.84+0.68ADP ahead
2026-05-0670.8956.15+0.28near the usual relationship
2026-05-0572.0555.35+0.60ADP ahead
2026-05-0472.3054.38+0.83ADP ahead
2026-05-0173.2955.44+0.76ADP ahead
2026-04-3072.5155.35+0.67ADP ahead
2026-04-2973.5854.82+0.93ADP ahead
2026-04-2868.1454.42+0.19near the usual relationship
2026-04-2767.4854.55+0.06near the usual relationship
2026-04-2467.2457.13-0.47near the usual relationship
2026-04-2367.9257.49-0.44near the usual relationship
2026-04-2269.0059.88-0.71INFY ahead
2026-04-2169.4162.51-1.11INFY ahead
2026-04-2069.2463.13-1.25INFY ahead
2026-04-1768.5964.24-1.55INFY ahead
2026-04-1668.5663.88-1.51INFY ahead
2026-04-1567.3763.57-1.66INFY ahead
2026-04-1466.7461.93-1.49INFY ahead
2026-04-1366.8462.06-1.51INFY ahead
2026-04-1064.5959.04-1.36INFY ahead
2026-04-0967.0661.13-1.34INFY ahead
2026-04-0868.6962.19-1.27INFY ahead
2026-04-0769.6662.02-1.10INFY ahead
2026-04-0669.9160.86-0.86INFY ahead
2026-04-0269.8061.04-0.92INFY ahead
2026-04-0168.8659.08-0.72INFY ahead
2026-03-3169.5160.02-0.79INFY ahead
2026-03-3070.3058.86-0.46near the usual relationship
2026-03-2768.8557.00-0.34near the usual relationship
2026-03-2669.9758.46-0.44near the usual relationship
2026-03-2569.1558.51-0.58INFY ahead
2026-03-2470.1058.11-0.36near the usual relationship
2026-03-2371.7559.08-0.29near the usual relationship
2026-03-2071.4058.29-0.19near the usual relationship
2026-03-1972.0757.97-0.03near the usual relationship
2026-03-1871.2657.40-0.04near the usual relationship
2026-03-1771.7558.64-0.20near the usual relationship
2026-03-1671.5458.91-0.28near the usual relationship
2026-03-1371.3458.95-0.32near the usual relationship
2026-03-1270.9759.71-0.52INFY ahead
2026-03-1172.8761.62-0.57INFY ahead
2026-03-1074.3762.37-0.49near the usual relationship
2026-03-0976.3164.06-0.50INFY ahead
2026-03-0677.4064.15-0.35near the usual relationship
2026-03-0576.1963.97-0.50INFY ahead
2026-03-0474.3063.66-0.72INFY ahead
2026-03-0373.9963.17-0.69INFY ahead
2026-03-0273.5563.04-0.73INFY ahead
2026-02-2773.3464.15-0.95INFY ahead
2026-02-2674.7165.30-0.95INFY ahead
2026-02-2573.3063.26-0.81INFY ahead
2026-02-2470.3761.48-0.94INFY ahead
2026-02-2370.3961.79-0.99INFY ahead
2026-02-2073.3865.08-1.10INFY ahead
2026-02-1973.8964.64-0.95INFY ahead
2026-02-1874.3166.86-1.26INFY ahead
2026-02-1772.9065.53-1.24INFY ahead
2026-02-1372.5765.39-1.27INFY ahead
2026-02-1271.8363.13-0.99INFY ahead
2026-02-1174.4470.01-1.73INFY ahead
2026-02-1077.1673.79-1.92INFY ahead
2026-02-0977.5372.46-1.67INFY ahead
2026-02-0679.1574.81-1.79INFY ahead
2026-02-0580.0574.63-1.64INFY ahead
2026-02-0480.2974.37-1.57INFY ahead
2026-02-0380.4376.94-1.92INFY ahead
2026-02-0284.7081.47-1.99INFY ahead
2026-01-3084.4478.10-1.55INFY ahead
2026-01-2984.1578.85-1.70INFY ahead
2026-01-2885.7779.65-1.60INFY ahead
2026-01-2787.0781.08-1.62INFY ahead
2026-01-2688.3382.41-1.64INFY ahead
2026-01-2388.2281.03-1.47INFY ahead
2026-01-2288.9081.25-1.41INFY ahead
2026-01-2187.9281.34-1.54INFY ahead
2026-01-2087.2880.90-1.56INFY ahead
2026-01-1689.1082.76-1.57INFY ahead
2026-01-1589.0283.61-1.68INFY ahead
2026-01-1488.4485.96-2.03INFY ahead
2026-01-1387.9577.83-1.02INFY ahead
2026-01-1289.9179.08-0.94INFY ahead
2026-01-0991.0179.21-0.81INFY ahead
2026-01-0890.8980.14-0.93INFY ahead
2026-01-0789.3880.99-1.19INFY ahead
2026-01-0689.3480.41-1.11INFY ahead
2026-01-0588.0478.54-1.01INFY ahead
2026-01-0286.5280.63-1.44INFY ahead
2025-12-3188.0179.16-1.08INFY ahead
2025-12-3088.7980.14-1.11INFY ahead
2025-12-2988.8281.87-1.30INFY ahead
2025-12-2688.5683.47-1.51INFY ahead
2025-12-2488.3082.94-1.47INFY ahead
2025-12-2387.9382.50-1.44INFY ahead
2025-12-2288.8685.12-1.63INFY ahead
2025-12-1988.2589.83-2.21INFY ahead
2025-12-1889.2885.21-1.59INFY ahead
2025-12-1790.8280.94-0.92INFY ahead
2025-12-1689.7078.94-0.79INFY ahead
2025-12-1590.6578.99-0.69INFY ahead
2025-12-1291.0478.99-0.64INFY ahead
2025-12-1190.5679.08-0.69INFY ahead
2025-12-1088.7380.28-1.00INFY ahead
2025-12-0988.3578.85-0.87INFY ahead
2025-12-0888.5078.72-0.84INFY ahead
2025-12-0589.5180.28-0.91INFY ahead
2025-12-0488.7581.25-1.09INFY ahead
2025-12-0389.0378.45-0.74INFY ahead
2025-12-0287.9977.34-0.71INFY ahead
2025-12-0187.5377.52-0.77INFY ahead
2025-11-2887.3477.65-0.80INFY ahead
2025-11-2687.0177.39-0.80INFY ahead
2025-11-2587.6976.77-0.66INFY ahead
2025-11-2485.5776.72-0.86INFY ahead
2025-11-2186.6078.63-0.97INFY ahead
2025-11-2085.2176.10-0.82INFY ahead
2025-11-1985.6776.90-0.86INFY ahead
2025-11-1885.4375.30-0.70INFY ahead
2025-11-1785.8474.50-0.56INFY ahead
2025-11-1486.5973.97-0.42near the usual relationship
2025-11-1387.1175.34-0.52INFY ahead
2025-11-1287.0975.92-0.59INFY ahead
2025-11-1187.3175.57-0.52INFY ahead
2025-11-1086.9274.46-0.43near the usual relationship
2025-11-0786.9573.30-0.29near the usual relationship
2025-11-0686.3471.88-0.17near the usual relationship
2025-11-0588.8172.95-0.05near the usual relationship
2025-11-0488.6972.41+0.00near the usual relationship
2025-11-0387.9872.90-0.12near the usual relationship
2025-10-3189.0673.61-0.09near the usual relationship
2025-10-3089.4873.92-0.08near the usual relationship
2025-10-2989.3774.99-0.21near the usual relationship
2025-10-2895.6775.03+0.37near the usual relationship
2025-10-2795.9875.70+0.33near the usual relationship
2025-10-2496.1277.65+0.13near the usual relationship
2025-10-2396.3377.88+0.13near the usual relationship
2025-10-2297.1577.61+0.24near the usual relationship
2025-10-2197.1677.34+0.27near the usual relationship
2025-10-2096.8375.12+0.49near the usual relationship
2025-10-1796.2372.55+0.73ADP ahead
2025-10-1695.8571.39+0.84ADP ahead
2025-10-1597.2473.03+0.77ADP ahead
2025-10-1497.8273.21+0.81ADP ahead
2025-10-1397.2874.54+0.63ADP ahead
2025-10-1097.5773.66+0.75ADP ahead
2025-10-0997.8175.79+0.55ADP ahead
2025-10-0899.4674.37+0.84ADP ahead
2025-10-07100.2272.81+1.07ADP ahead
2025-10-0699.4074.14+0.87ADP ahead
2025-10-0399.6672.10+1.12ADP ahead
2025-10-0299.1771.75+1.12ADP ahead
2025-10-0199.7772.72+1.07ADP ahead
2025-09-30100.4172.28+1.17ADP ahead
2025-09-29100.1372.50+1.14ADP ahead
2025-09-2699.7473.39+1.02ADP ahead
2025-09-2598.8473.48+0.95ADP ahead
2025-09-2499.7375.66+0.80ADP ahead
2025-09-2398.9574.99+0.82ADP ahead
2025-09-22100.4776.19+0.82ADP ahead
2025-09-1999.9075.39+0.86ADP ahead
2025-09-1899.5478.05+0.59ADP ahead
2025-09-1798.7978.54+0.49near the usual relationship
2025-09-1698.7775.79+0.76ADP ahead
2025-09-1599.5175.17+0.88ADP ahead
2025-09-12100.4175.34+0.93ADP ahead
2025-09-11101.9675.83+1.00ADP ahead
2025-09-10100.0375.43+0.91ADP ahead
2025-09-09101.6975.57+1.02ADP ahead
2025-09-08102.1074.59+1.15ADP ahead
2025-09-05101.2672.77+1.28ADP ahead
2025-09-04103.0473.70+1.32ADP ahead
2025-09-03102.2573.92+1.25ADP ahead
2025-09-02102.5675.03+1.17ADP ahead
2025-08-29104.0274.72+1.31ADP ahead
2025-08-28104.0475.52+1.25ADP ahead
2025-08-27103.6977.12+1.09ADP ahead
2025-08-26103.8276.50+1.16ADP ahead
2025-08-25103.9576.99+1.13ADP ahead
2025-08-22105.3677.03+1.23ADP ahead
2025-08-21104.3375.74+1.29ADP ahead
2025-08-20105.7375.57+1.41ADP ahead
2025-08-19104.5973.75+1.52ADP ahead
2025-08-18103.5472.90+1.54ADP ahead
2025-08-15103.2573.57+1.47ADP ahead
2025-08-14103.2172.68+1.56ADP ahead
2025-08-13104.3372.77+1.64ADP ahead
2025-08-12102.5171.39+1.67ADP ahead
2025-08-11103.9170.99+1.82ADP ahead
2025-08-08104.6371.04+1.89ADP ahead
2025-08-07103.8371.17+1.84ADP ahead
2025-08-06103.2071.39+1.79ADP ahead
2025-08-05102.4571.97+1.70ADP ahead
2025-08-04103.4173.21+1.66ADP ahead
2025-08-01102.7972.90+1.66ADP ahead
2025-07-31105.8974.28+1.75ADP ahead
2025-07-30106.3875.30+1.70ADP ahead
2025-07-29105.5976.45+1.55ADP ahead
2025-07-28105.0076.23+1.54ADP ahead
2025-07-25105.5977.17+1.50ADP ahead
2025-07-24104.7778.54+1.33ADP ahead
2025-07-23104.0881.96+0.99ADP ahead
2025-07-22103.6681.12+1.04ADP ahead
2025-07-21102.9580.81+1.03ADP ahead
2025-07-18103.2580.90+1.05ADP ahead
2025-07-17103.3682.05+0.96ADP ahead
2025-07-16102.7382.19+0.92ADP ahead
2025-07-15102.0280.94+0.98ADP ahead
2025-07-14103.7980.01+1.19ADP ahead
2025-07-11103.5480.81+1.12ADP ahead
2025-07-10104.6380.41+1.23ADP ahead
2025-07-09105.5283.61+1.03ADP ahead
2025-07-08105.0083.92+0.98ADP ahead
2025-07-07105.5183.61+1.04ADP ahead
2025-07-03105.7984.23+1.02ADP ahead
2025-07-02104.3783.87+0.96ADP ahead
2025-07-01106.1083.96+1.08ADP ahead
2025-06-30105.5182.32+1.19ADP ahead
2025-06-27103.8282.27+1.08ADP ahead
2025-06-26103.6682.63+1.05ADP ahead
2025-06-25102.0282.23+0.98ADP ahead
2025-06-24106.5481.30+1.38ADP ahead
2025-06-23106.1480.41+1.44ADP ahead
2025-06-20104.7878.54+1.53ADP ahead
2025-06-18104.9581.87+1.25ADP ahead
2025-06-17105.2482.94+1.19ADP ahead
2025-06-16105.3483.30+1.17ADP ahead
2025-06-13104.9781.83+1.28ADP ahead
2025-06-12105.9782.45+1.31ADP ahead
2025-06-11106.8782.67+1.36ADP ahead
2025-06-10107.6182.23+1.46ADP ahead
2025-06-09108.9981.25+1.66ADP ahead
2025-06-06111.8180.85+1.90ADP ahead
2025-06-05111.6179.65+2.02ADP ahead
2025-06-04111.6079.30+2.07ADP ahead
2025-06-03111.7180.14+2.02ADP ahead
2025-06-02111.4680.81+1.97ADP ahead
2025-05-30111.3780.81+1.98ADP ahead
2025-05-29110.8982.01+1.86ADP ahead
2025-05-28110.9081.56+1.92ADP ahead
2025-05-27111.4382.14+1.92ADP ahead
2025-05-23109.8580.45+1.99ADP ahead
2025-05-22110.0480.14+2.06ADP ahead
2025-05-21110.3880.68+2.05ADP ahead
2025-05-20110.4481.03+2.04ADP ahead
2025-05-19110.4981.43+2.03ADP ahead
2025-05-16109.2681.34+1.96ADP ahead
2025-05-15108.0683.16+1.70ADP ahead
2025-05-14105.8682.01+1.66ADP ahead
2025-05-13105.4481.65+1.68ADP ahead
2025-05-12105.8582.85+1.60ADP ahead
2025-05-09105.2877.70+2.12ADP ahead
2025-05-08105.0677.70+2.13ADP ahead
2025-05-07104.4178.68+1.99ADP ahead
2025-05-06103.7878.94+1.93ADP ahead
2025-05-05103.9979.30+1.92ADP ahead
2025-05-02103.8679.43+1.92ADP ahead
2025-05-01102.1978.19+1.93ADP ahead
2025-04-30102.8478.19+2.01ADP ahead
2025-04-29101.1978.05+1.90ADP ahead
2025-04-28100.4476.99+1.97ADP ahead
2025-04-2599.8277.30+1.90ADP ahead
2025-04-24100.7777.12+2.03ADP ahead
2025-04-23100.4376.54+2.09ADP ahead
2025-04-22100.2174.90+2.30ADP ahead
2025-04-2197.4573.66+2.22ADP ahead
2025-04-17100.3471.70+2.80ADP ahead
2025-04-16100.6373.66+2.61ADP ahead
2025-04-15101.9775.66+2.52ADP ahead
2025-04-14103.1775.57+2.69ADP ahead
2025-04-11102.4874.99+2.75ADP ahead
2025-04-1099.9775.43+2.48ADP ahead
2025-04-09100.8278.45+2.20ADP ahead
2025-04-0894.6972.95+2.34ADP ahead
2025-04-0796.2174.54+2.31ADP ahead
2025-04-0497.8973.66+2.66ADP ahead
2025-04-03104.4877.08+2.93ADP ahead
2025-04-02105.1181.70+2.40ADP ahead
2025-04-01104.8880.85+2.52ADP ahead
2025-03-31104.5381.08+2.50ADP ahead
2025-03-28102.9280.72+2.41ADP ahead
2025-03-27104.5082.94+2.30ADP ahead
2025-03-26103.4682.90+2.22ADP ahead
2025-03-25102.4383.65+2.02ADP ahead
2025-03-24102.2682.59+2.18ADP ahead
2025-03-21101.0481.39+2.24ADP ahead
2025-03-20101.7980.23+2.54ADP ahead
2025-03-19102.2282.50+2.29ADP ahead
2025-03-18101.2581.96+2.29ADP ahead
2025-03-17101.4782.50+2.27ADP ahead
2025-03-1499.8281.74+2.21ADP ahead
2025-03-1399.4081.25+2.27ADP ahead
2025-03-12100.6582.19+2.31ADP ahead
2025-03-11100.0584.27+1.94ADP ahead
2025-03-10103.6686.36+2.11ADP ahead
2025-03-07104.8488.23+2.00ADP ahead
2025-03-06103.4887.74+1.93ADP ahead
2025-03-05106.2189.12+2.09ADP ahead
2025-03-04107.2487.56+2.49ADP ahead
2025-03-03109.0288.09+2.68ADP ahead
2025-02-28107.8389.29+2.38ADP ahead
2025-02-27106.5091.07+1.97ADP ahead
2025-02-26106.5392.27+1.82ADP ahead
2025-02-25107.2192.27+1.93ADP ahead
2025-02-24106.8192.54+1.85ADP ahead
2025-02-21106.3294.05+1.58ADP ahead
2025-02-20106.7394.85+1.53ADP ahead
2025-02-19107.1694.22+1.70ADP ahead
2025-02-18106.0495.11+1.43ADP ahead
2025-02-14105.4395.82+1.25ADP ahead
2025-02-13106.1396.58+1.24ADP ahead
2025-02-12104.9196.62+1.08ADP ahead
2025-02-11104.6297.60+0.90ADP ahead
2025-02-10105.0197.16+1.03ADP ahead
2025-02-07104.6896.98+1.02ADP ahead
2025-02-06105.7198.80+0.90ADP ahead
2025-02-05105.4399.11+0.82ADP ahead
2025-02-04104.2499.42+0.62ADP ahead
2025-02-03105.1497.69+1.00ADP ahead
2025-01-31103.6797.51+0.84ADP ahead
2025-01-30103.7596.93+0.94ADP ahead
2025-01-29102.8396.40+0.90ADP ahead
2025-01-28102.0695.65+0.91ADP ahead
2025-01-27102.6995.69+1.00ADP ahead
2025-01-24101.6596.31+0.77ADP ahead
2025-01-23101.2096.76+0.65ADP ahead
2025-01-22101.3996.00+0.79ADP ahead
2025-01-21102.0093.96+1.19ADP ahead
2025-01-17101.3394.14+1.08ADP ahead
2025-01-16101.3595.82+0.83ADP ahead
2025-01-15100.37101.69-0.13near the usual relationship
2025-01-1499.79100.00+0.02near the usual relationship
2025-01-1399.28100.80-0.16near the usual relationship
2025-01-1098.14100.84-0.33near the usual relationship
2025-01-0899.86101.20-0.14near the usual relationship
2025-01-0798.67100.44-0.20near the usual relationship
2025-01-0698.23101.07-0.35near the usual relationship
2025-01-0399.79100.53-0.06near the usual relationship
2025-01-0299.10100.49-0.15near the usual relationship
2024-12-31100.1597.38+0.44near the usual relationship
2024-12-30100.2398.18+0.34near the usual relationship
2024-12-27101.3399.87+0.26near the usual relationship
2024-12-26101.69100.58+0.21near the usual relationship
2024-12-24101.43101.16+0.10near the usual relationship
2024-12-23100.64101.20-0.02near the usual relationship
2024-12-20100.59100.98+0.01near the usual relationship
2024-12-1999.67104.04-0.54INFY ahead
2024-12-1898.70100.62-0.20near the usual relationship
2024-12-17101.12102.75-0.16near the usual relationship
2024-12-16101.55103.73-0.23near the usual relationship
2024-12-13101.53103.95-0.27near the usual relationship
2024-12-12102.21103.29-0.09near the usual relationship
2024-12-11102.89103.78-0.06near the usual relationship
2024-12-10103.40103.24+0.08near the usual relationship
2024-12-09101.80102.89-0.09near the usual relationship
2024-12-06104.20101.55+0.42near the usual relationship
2024-12-05103.25101.55+0.29near the usual relationship
2024-12-04103.83100.04+0.58ADP ahead
2024-12-03103.8698.27+0.84ADP ahead
2024-12-02104.7098.62+0.90ADP ahead
2024-11-29105.0198.05+1.03ADP ahead
2024-11-27105.01101.02+0.61ADP ahead
2024-11-26105.36102.98+0.39near the usual relationship
2024-11-25104.23101.47+0.45near the usual relationship
2024-11-22104.40101.24+0.50ADP ahead
2024-11-21104.2097.56+1.00ADP ahead
2024-11-20102.1697.69+0.71ADP ahead
2024-11-19101.8096.53+0.83ADP ahead
2024-11-18101.9295.96+0.93ADP ahead
2024-11-15101.8395.65+0.97ADP ahead
2024-11-14103.3296.93+0.99ADP ahead
2024-11-13105.2097.91+1.11ADP ahead
2024-11-12105.3497.82+1.14ADP ahead
2024-11-11104.9697.91+1.07ADP ahead
2024-11-08104.2696.62+1.17ADP ahead
2024-11-07104.3096.18+1.25ADP ahead
2024-11-06104.4195.07+1.44ADP ahead
2024-11-0599.6292.00+1.25ADP ahead
2024-11-0499.1792.05+1.18ADP ahead
2024-11-0198.5992.23+1.08ADP ahead
2024-10-3198.9692.89+1.03ADP ahead
2024-10-30100.1793.82+1.07ADP ahead
2024-10-2998.5296.71+0.39near the usual relationship
2024-10-2898.0098.05+0.11near the usual relationship
2024-10-2598.5297.25+0.30near the usual relationship
2024-10-2499.0297.96+0.27near the usual relationship
2024-10-2399.2398.67+0.18near the usual relationship
2024-10-2299.6798.45+0.28near the usual relationship
2024-10-2199.5398.62+0.22near the usual relationship
2024-10-18100.00100.00+0.09near the usual relationship

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Jan 16, 2025 (ADP +1.0%, INFY -5.8%); Jan 14, 2026 (ADP +0.6%, INFY +10.4%); Jun 18, 2026 (ADP -0.2%, INFY -9.7%). Upcoming earnings: INFY Oct 23, 2026 (pre-market); ADP Oct 28, 2026 (pre-market).

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)

No simulated trade through Oct 20, 2026: the pair rarely passed every test while 2 standard deviations apart.

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

The companies

ADP and INFY at a glance

ADP Automatic Data Processing Inc.

Listing
Nasdaq · SEC CIK 8670
Industry
EDP Services · SIC 7374 Services-Computer Processing & Data Preparation
Market value
$113.7B
Price history
2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

INFY Infosys Limited

Listing
NYSE · SEC CIK 1067491
Industry
EDP Services · SIC 7371 Services-Computer Programming Services
Market value
$49.5B
Price history
2,521 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
ADP / RDDTWatchlistADP by 2.31 sdSIC 7374 Services-Computer Processing & Data Preparation
INFY / CTSHWatchlistCTSH by 2.06 sdSIC 7371 Services-Computer Programming Services
INFY / ZSWatchlistZS by 1.44 sdSIC 7371 Services-Computer Programming Services
INFY / WDAYWatchlistWDAY by 1.31 sdEDP Services
ADP / WDAYWatchlistneitherEDP Services

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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.