Accident &Health Insurance

AFLAC Incorporated vs Unum Group

WatchlistAFL / UNMPrices through Oct 22, 2026

Why these are rivals: #1 and #3 by market value ($59B vs $15B) in Nasdaq's "Accident &Health Insurance" industry; SEC SIC 6321 / 6321 (same major group); #1 and #3 by market value ($59B vs $15B) with SEC SIC 6321 (Accident & Health Insurance).

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: 0.36 (needs >= 0.60)
  • Mean reversion: ADF t-statistic of the spread: -1.53 (needs <= -2.873 (5% critical value))
Business leadership

AFL is the larger business

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

YearAFLUNMLarger
2025$17.2B$13.1BAFL
2024$18.9B$12.9BAFL
2023$18.7B$12.4BAFL
2022$19.1B$12.0BAFL
2021$21.6B$12.0BAFL
2020$22.1B$13.2BAFL

AFL led in every year with figures for both. Market value: AFL $59.5B, UNM $14.5B.

Stock leadership

UNM is ahead now

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

UNM leads AFL by 0.89 standard deviations: +6.2% over its usual price ratio. 3 lead switches in the last year.

Price change3 mo6 mo12 mo
AFL-1.9%+7.1%+13.9%
UNM+8.7%+20.6%+22.4%
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: 0.36 (needs >= 0.60)
Fail
Mean reversion: ADF t-statistic of the spread: -1.53 (needs <= -2.873 (5% critical value))
Pass
Speed: half-life of the spread, sessions: 33.95 (needs <= 63)
Data
Both stocks current
The twins over two years

Prices side by side, and the gap between them

AFL AFLAC Incorporated UNM Unum GroupPrice index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
100120140Oct 2024Oct 2025Oct 2026AFL 108UNM 147
Spread z-score: AFL relative to UNM, against the 252 sessions before each day. Above 0: AFL ahead; below 0: UNM ahead. Lines at +/-2 (idea) and +/-4 (stop).
-4stop-2idea0+2idea+4stopOct 2024Oct 2025Oct 2026
Data table (504 sessions)
DateAFL indexUNM indexzAhead
2026-10-22107.66147.36-0.89UNM ahead
2026-10-21104.93147.30-1.26UNM ahead
2026-10-20105.04146.86-1.21UNM ahead
2026-10-19103.64144.25-1.16UNM ahead
2026-10-16104.78144.97-1.08UNM ahead
2026-10-15103.10145.25-1.36UNM ahead
2026-10-14103.24143.76-1.19UNM ahead
2026-10-13101.69144.69-1.53UNM ahead
2026-10-12101.21145.41-1.69UNM ahead
2026-10-09100.03144.09-1.75UNM ahead
2026-10-08100.38145.61-1.87UNM ahead
2026-10-0798.46146.49-2.29UNM ahead
2026-10-0699.24144.34-1.97UNM ahead
2026-10-0598.15141.35-1.83UNM ahead
2026-10-0297.41139.22-1.73UNM ahead
2026-10-0197.10138.45-1.71UNM ahead
2026-09-3097.62137.90-1.58UNM ahead
2026-09-2999.27138.70-1.42UNM ahead
2026-09-2899.17143.23-1.97UNM ahead
2026-09-2599.32144.75-2.14UNM ahead
2026-09-2499.57143.21-1.95UNM ahead
2026-09-23100.64148.48-2.40UNM ahead
2026-09-22100.09146.68-2.32UNM ahead
2026-09-21100.59147.06-2.32UNM ahead
2026-09-18101.60149.62-2.48UNM ahead
2026-09-17101.83150.30-2.56UNM ahead
2026-09-16102.02149.04-2.42UNM ahead
2026-09-15102.66150.71-2.55UNM ahead
2026-09-14102.19149.20-2.49UNM ahead
2026-09-11100.68148.41-2.71UNM ahead
2026-09-1099.97148.24-2.88UNM ahead
2026-09-09100.21146.29-2.64UNM ahead
2026-09-08100.58147.86-2.83UNM ahead
2026-09-04102.37150.66-2.90UNM ahead
2026-09-03103.37151.79-2.92UNM ahead
2026-09-02102.39145.87-2.36UNM ahead
2026-09-01101.33144.12-2.37UNM ahead
2026-08-31101.18146.53-2.77UNM ahead
2026-08-28101.76146.26-2.66UNM ahead
2026-08-27101.82145.32-2.55UNM ahead
2026-08-26102.58143.84-2.22UNM ahead
2026-08-25101.47140.98-2.05UNM ahead
2026-08-24103.23140.66-1.66UNM ahead
2026-08-21101.37137.96-1.65UNM ahead
2026-08-20101.46136.67-1.45UNM ahead
2026-08-19101.76137.76-1.57UNM ahead
2026-08-18106.31141.10-1.17UNM ahead
2026-08-17105.66143.84-1.71UNM ahead
2026-08-14106.07146.70-2.06UNM ahead
2026-08-13105.76145.71-2.00UNM ahead
2026-08-12105.44144.28-1.88UNM ahead
2026-08-11105.74141.23-1.39UNM ahead
2026-08-10106.50143.65-1.61UNM ahead
2026-08-07108.83142.35-0.97UNM ahead
2026-08-06110.62141.17-0.45near the usual relationship
2026-08-05109.66140.02-0.46near the usual relationship
2026-08-04109.30143.65-1.08UNM ahead
2026-08-03110.66141.64-0.51UNM ahead
2026-07-31111.34135.35+0.58AFL ahead
2026-07-30111.23136.39+0.40near the usual relationship
2026-07-29112.38131.45+1.38AFL ahead
2026-07-28113.14138.21+0.50AFL ahead
2026-07-27110.53135.84+0.38near the usual relationship
2026-07-24109.69135.52+0.28near the usual relationship
2026-07-23108.59135.88+0.04near the usual relationship
2026-07-22107.93137.99-0.37near the usual relationship
2026-07-21107.94138.92-0.48near the usual relationship
2026-07-20108.37139.66-0.49near the usual relationship
2026-07-17108.93139.97-0.43near the usual relationship
2026-07-16107.44140.79-0.78UNM ahead
2026-07-15105.69139.89-0.95UNM ahead
2026-07-14106.59139.06-0.67UNM ahead
2026-07-13107.69140.54-0.67UNM ahead
2026-07-10106.47137.54-0.48near the usual relationship
2026-07-09106.54139.01-0.64UNM ahead
2026-07-08106.06137.91-0.57UNM ahead
2026-07-07106.10140.21-0.85UNM ahead
2026-07-06105.21140.69-1.04UNM ahead
2026-07-02105.57145.14-1.52UNM ahead
2026-07-01103.48143.67-1.69UNM ahead
2026-06-30102.40140.52-1.49UNM ahead
2026-06-29104.87140.95-1.12UNM ahead
2026-06-26104.93141.65-1.20UNM ahead
2026-06-25103.26139.77-1.24UNM ahead
2026-06-24102.84139.34-1.26UNM ahead
2026-06-23103.75143.57-1.62UNM ahead
2026-06-22101.79142.38-1.81UNM ahead
2026-06-18100.85141.43-1.86UNM ahead
2026-06-17101.52144.01-2.07UNM ahead
2026-06-16102.54145.08-2.03UNM ahead
2026-06-15102.15144.33-2.02UNM ahead
2026-06-12102.88145.76-2.07UNM ahead
2026-06-11101.70144.15-2.08UNM ahead
2026-06-10102.28142.53-1.78UNM ahead
2026-06-09100.97138.32-1.47UNM ahead
2026-06-08100.65136.78-1.32UNM ahead
2026-06-05103.27136.50-0.83UNM ahead
2026-06-04100.69133.46-0.87UNM ahead
2026-06-03100.00131.26-0.69UNM ahead
2026-06-0299.24132.30-0.94UNM ahead
2026-06-0197.91131.14-1.01UNM ahead
2026-05-2998.18130.82-0.92UNM ahead
2026-05-2898.37129.60-0.72UNM ahead
2026-05-27100.31131.11-0.58UNM ahead
2026-05-26102.03132.69-0.49near the usual relationship
2026-05-22102.93132.85-0.35near the usual relationship
2026-05-21102.89132.80-0.35near the usual relationship
2026-05-20102.38131.77-0.30near the usual relationship
2026-05-19103.41129.25+0.19near the usual relationship
2026-05-18103.64130.10+0.12near the usual relationship
2026-05-15102.02128.32+0.09near the usual relationship
2026-05-14101.65127.16+0.19near the usual relationship
2026-05-13100.86126.42+0.16near the usual relationship
2026-05-12101.45127.57+0.12near the usual relationship
2026-05-11100.86128.12-0.04near the usual relationship
2026-05-0898.78127.13-0.24near the usual relationship
2026-05-0799.21126.25-0.06near the usual relationship
2026-05-0699.04126.20-0.08near the usual relationship
2026-05-0599.97127.05-0.03near the usual relationship
2026-05-0498.98126.12-0.07near the usual relationship
2026-05-0198.59127.07-0.25near the usual relationship
2026-04-3099.28126.34-0.05near the usual relationship
2026-04-29101.49127.77+0.12near the usual relationship
2026-04-28101.56122.32+0.82AFL ahead
2026-04-27100.16121.24+0.75AFL ahead
2026-04-24100.10121.79+0.67AFL ahead
2026-04-23100.54122.23+0.69AFL ahead
2026-04-22100.22121.55+0.73AFL ahead
2026-04-21101.28123.84+0.60AFL ahead
2026-04-20100.15124.54+0.34near the usual relationship
2026-04-17100.02125.17+0.24near the usual relationship
2026-04-1699.31124.14+0.26near the usual relationship
2026-04-1598.67124.02+0.18near the usual relationship
2026-04-1497.76121.86+0.31near the usual relationship
2026-04-1397.94121.35+0.41near the usual relationship
2026-04-1096.68120.51+0.31near the usual relationship
2026-04-0998.75120.45+0.66AFL ahead
2026-04-0898.69121.90+0.46near the usual relationship
2026-04-0796.52119.02+0.49near the usual relationship
2026-04-0696.30119.21+0.43near the usual relationship
2026-04-0296.49116.58+0.82AFL ahead
2026-04-0195.76116.10+0.77AFL ahead
2026-03-3195.82114.79+0.97AFL ahead
2026-03-3094.47114.73+0.76AFL ahead
2026-03-2792.93114.59+0.52AFL ahead
2026-03-2694.51117.02+0.46near the usual relationship
2026-03-2593.63117.10+0.31near the usual relationship
2026-03-2492.75116.06+0.31near the usual relationship
2026-03-2393.14115.14+0.50AFL ahead
2026-03-2092.77113.99+0.60AFL ahead
2026-03-1993.60114.67+0.65AFL ahead
2026-03-1894.25116.69+0.49near the usual relationship
2026-03-1795.65118.19+0.53AFL ahead
2026-03-1695.29114.49+0.97AFL ahead
2026-03-1394.94113.42+1.07AFL ahead
2026-03-1295.75114.26+1.10AFL ahead
2026-03-1195.48113.97+1.10AFL ahead
2026-03-1096.33114.40+1.19AFL ahead
2026-03-0996.23114.65+1.15AFL ahead
2026-03-0697.20115.56+1.19AFL ahead
2026-03-0596.98116.77+1.00AFL ahead
2026-03-0498.24115.36+1.41AFL ahead
2026-03-0398.19111.07+2.03AFL ahead
2026-03-0299.00113.34+1.85AFL ahead
2026-02-2798.63112.75+1.90AFL ahead
2026-02-2699.54116.03+1.60AFL ahead
2026-02-2598.20113.93+1.69AFL ahead
2026-02-2498.22112.61+1.91AFL ahead
2026-02-2398.12111.35+2.11AFL ahead
2026-02-2099.59115.77+1.72AFL ahead
2026-02-1998.48115.48+1.59AFL ahead
2026-02-1899.23115.15+1.78AFL ahead
2026-02-17100.80114.60+2.16AFL ahead
2026-02-13100.36112.61+2.42AFL ahead
2026-02-12101.21111.32+2.82AFL ahead
2026-02-11101.53112.24+2.79AFL ahead
2026-02-10101.21112.76+2.70AFL ahead
2026-02-0998.86112.70+2.32AFL ahead
2026-02-06102.31117.20+2.26AFL ahead
2026-02-05102.59118.92+2.07AFL ahead
2026-02-0499.23120.98+1.14AFL ahead
2026-02-0397.85120.34+0.98AFL ahead
2026-02-0297.77120.20+0.99AFL ahead
2026-01-3096.90119.41+0.95AFL ahead
2026-01-2996.52119.92+0.80AFL ahead
2026-01-2895.13119.92+0.53AFL ahead
2026-01-2794.66119.24+0.54AFL ahead
2026-01-2695.14120.07+0.51AFL ahead
2026-01-2393.53119.62+0.26near the usual relationship
2026-01-2294.59120.94+0.27near the usual relationship
2026-01-2194.81120.56+0.37near the usual relationship
2026-01-2095.42118.64+0.79AFL ahead
2026-01-1695.64119.60+0.69AFL ahead
2026-01-1595.73121.64+0.39near the usual relationship
2026-01-1496.23125.46-0.10near the usual relationship
2026-01-1394.29124.69-0.37near the usual relationship
2026-01-1295.09125.84-0.38near the usual relationship
2026-01-0995.41126.20-0.38near the usual relationship
2026-01-0896.30126.33-0.22near the usual relationship
2026-01-0796.24123.25+0.23near the usual relationship
2026-01-0697.78123.64+0.47near the usual relationship
2026-01-0597.98123.09+0.59AFL ahead
2026-01-0296.28121.39+0.52AFL ahead
2025-12-3196.31121.82+0.47near the usual relationship
2025-12-3096.77123.11+0.36near the usual relationship
2025-12-2996.03123.50+0.15near the usual relationship
2025-12-2695.98123.92+0.08near the usual relationship
2025-12-2496.61124.25+0.15near the usual relationship
2025-12-2396.70124.79+0.08near the usual relationship
2025-12-2296.11123.69+0.14near the usual relationship
2025-12-1996.38124.55+0.06near the usual relationship
2025-12-1896.47124.90+0.02near the usual relationship
2025-12-1796.51122.46+0.40near the usual relationship
2025-12-1695.62121.85+0.32near the usual relationship
2025-12-1597.38121.20+0.76AFL ahead
2025-12-1296.11121.22+0.51AFL ahead
2025-12-1195.07120.25+0.46near the usual relationship
2025-12-1093.62116.72+0.73AFL ahead
2025-12-0994.34115.34+1.10AFL ahead
2025-12-0894.38114.46+1.26AFL ahead
2025-12-0595.44116.77+1.10AFL ahead
2025-12-0495.41115.28+1.34AFL ahead
2025-12-0395.23115.61+1.25AFL ahead
2025-12-0295.05116.79+1.02AFL ahead
2025-12-0195.68118.20+0.92AFL ahead
2025-11-2896.34119.41+0.85AFL ahead
2025-11-2696.55120.06+0.79AFL ahead
2025-11-2597.49120.32+0.93AFL ahead
2025-11-2496.40118.92+0.93AFL ahead
2025-11-2196.93118.92+1.02AFL ahead
2025-11-2096.55119.92+0.78AFL ahead
2025-11-1995.55120.25+0.53AFL ahead
2025-11-1897.61120.59+0.86AFL ahead
2025-11-1798.05119.33+1.13AFL ahead
2025-11-1499.86120.98+1.20AFL ahead
2025-11-13100.45121.03+1.29AFL ahead
2025-11-12100.10121.57+1.14AFL ahead
2025-11-1199.38119.98+1.24AFL ahead
2025-11-1099.20121.55+0.96AFL ahead
2025-11-0799.64122.84+0.84AFL ahead
2025-11-0699.30120.69+1.07AFL ahead
2025-11-0597.15120.67+0.67AFL ahead
2025-11-0495.03122.92-0.03near the usual relationship
2025-11-0393.42114.63+0.83AFL ahead
2025-10-3193.62115.40+0.72AFL ahead
2025-10-3093.31115.53+0.62AFL ahead
2025-10-2992.31117.67+0.15near the usual relationship
2025-10-2893.17117.38+0.30near the usual relationship
2025-10-2793.93119.14+0.19near the usual relationship
2025-10-2493.61119.59+0.07near the usual relationship
2025-10-2393.93120.10+0.04near the usual relationship
2025-10-2294.19119.79+0.10near the usual relationship
2025-10-2194.48120.37+0.06near the usual relationship
2025-10-2095.00118.99+0.27near the usual relationship
2025-10-1794.07118.61+0.17near the usual relationship
2025-10-1693.21115.83+0.34near the usual relationship
2025-10-1595.90119.35+0.30near the usual relationship
2025-10-1497.39120.42+0.36near the usual relationship
2025-10-1396.30118.61+0.39near the usual relationship
2025-10-1096.90119.22+0.39near the usual relationship
2025-10-0997.09120.67+0.26near the usual relationship
2025-10-0897.73123.58+0.05near the usual relationship
2025-10-0798.63123.01+0.18near the usual relationship
2025-10-0698.75123.61+0.13near the usual relationship
2025-10-0398.10124.83-0.06near the usual relationship
2025-10-0296.59123.55-0.12near the usual relationship
2025-10-0196.72123.01-0.08near the usual relationship
2025-09-3097.55122.26+0.06near the usual relationship
2025-09-2997.25121.69+0.06near the usual relationship
2025-09-2697.26123.01-0.05near the usual relationship
2025-09-2595.62120.56-0.03near the usual relationship
2025-09-2495.47120.76-0.07near the usual relationship
2025-09-2394.52120.56-0.16near the usual relationship
2025-09-2293.80119.30-0.14near the usual relationship
2025-09-1994.36119.79-0.13near the usual relationship
2025-09-1894.32119.85-0.15near the usual relationship
2025-09-1795.40118.04+0.07near the usual relationship
2025-09-1694.00116.65+0.04near the usual relationship
2025-09-1594.68117.73+0.01near the usual relationship
2025-09-1295.31118.26+0.01near the usual relationship
2025-09-1194.93118.30-0.03near the usual relationship
2025-09-1093.65115.88+0.02near the usual relationship
2025-09-0992.82115.17-0.02near the usual relationship
2025-09-0892.87115.83-0.07near the usual relationship
2025-09-0593.39115.94-0.04near the usual relationship
2025-09-0494.80114.85+0.14near the usual relationship
2025-09-0393.22114.40+0.03near the usual relationship
2025-09-0292.24110.08+0.23near the usual relationship
2025-08-2993.33109.81+0.33near the usual relationship
2025-08-2892.66108.96+0.32near the usual relationship
2025-08-2793.81109.31+0.38near the usual relationship
2025-08-2694.46109.20+0.43near the usual relationship
2025-08-2593.78108.71+0.40near the usual relationship
2025-08-2294.72109.90+0.38near the usual relationship
2025-08-2194.49108.99+0.41near the usual relationship
2025-08-2094.24109.16+0.38near the usual relationship
2025-08-1993.35108.60+0.34near the usual relationship
2025-08-1892.37107.80+0.31near the usual relationship
2025-08-1592.03108.17+0.25near the usual relationship
2025-08-1491.97111.43+0.03near the usual relationship
2025-08-1392.31111.62+0.04near the usual relationship
2025-08-1290.44110.56-0.04near the usual relationship
2025-08-1190.98109.07+0.09near the usual relationship
2025-08-0890.41109.07+0.04near the usual relationship
2025-08-0789.33107.75+0.03near the usual relationship
2025-08-0689.35110.80-0.16near the usual relationship
2025-08-0586.39110.04-0.34near the usual relationship
2025-08-0486.08109.95-0.37near the usual relationship
2025-08-0185.67109.60-0.38near the usual relationship
2025-07-3186.78112.87-0.50UNM ahead
2025-07-3086.10111.77-0.49near the usual relationship
2025-07-2988.05127.27-1.21UNM ahead
2025-07-2888.10125.87-1.15UNM ahead
2025-07-2590.28126.94-1.05UNM ahead
2025-07-2489.48125.76-1.05UNM ahead
2025-07-2389.86126.91-1.09UNM ahead
2025-07-2289.69126.50-1.09UNM ahead
2025-07-2188.31125.39-1.15UNM ahead
2025-07-1888.93127.51-1.22UNM ahead
2025-07-1788.58127.33-1.25UNM ahead
2025-07-1688.59126.42-1.21UNM ahead
2025-07-1587.88124.13-1.15UNM ahead
2025-07-1489.67127.95-1.23UNM ahead
2025-07-1188.71125.81-1.20UNM ahead
2025-07-1089.33126.49-1.20UNM ahead
2025-07-0989.00124.60-1.13UNM ahead
2025-07-0890.17127.22-1.19UNM ahead
2025-07-0789.85128.47-1.29UNM ahead
2025-07-0391.33129.08-1.23UNM ahead
2025-07-0290.41127.70-1.23UNM ahead
2025-07-0192.38128.98-1.16UNM ahead
2025-06-3092.10126.94-1.08UNM ahead
2025-06-2791.76126.47-1.09UNM ahead
2025-06-2690.75125.28-1.11UNM ahead
2025-06-2589.50122.65-1.07UNM ahead
2025-06-2490.97124.85-1.09UNM ahead
2025-06-2391.56125.86-1.11UNM ahead
2025-06-2090.22124.61-1.15UNM ahead
2025-06-1889.63123.28-1.13UNM ahead
2025-06-1789.16122.37-1.13UNM ahead
2025-06-1689.71123.95-1.18UNM ahead
2025-06-1389.24122.90-1.17UNM ahead
2025-06-1289.63124.57-1.24UNM ahead
2025-06-1188.52123.64-1.29UNM ahead
2025-06-1089.32123.86-1.25UNM ahead
2025-06-0989.53126.45-1.38UNM ahead
2025-06-0690.55128.07-1.41UNM ahead
2025-06-0589.27125.76-1.39UNM ahead
2025-06-0489.81126.82-1.42UNM ahead
2025-06-0390.89129.11-1.47UNM ahead
2025-06-0290.66128.76-1.49UNM ahead
2025-05-3090.43128.43-1.50UNM ahead
2025-05-2989.79127.92-1.54UNM ahead
2025-05-2889.07126.67-1.54UNM ahead
2025-05-2790.31128.48-1.55UNM ahead
2025-05-2389.55125.54-1.46UNM ahead
2025-05-2289.48125.17-1.46UNM ahead
2025-05-2190.43126.22-1.46UNM ahead
2025-05-2092.24128.91-1.48UNM ahead
2025-05-1992.95129.14-1.45UNM ahead
2025-05-1693.29129.13-1.44UNM ahead
2025-05-1592.38126.96-1.39UNM ahead
2025-05-1490.74125.29-1.44UNM ahead
2025-05-1391.73127.19-1.49UNM ahead
2025-05-1292.20127.10-1.45UNM ahead
2025-05-0992.55126.49-1.40UNM ahead
2025-05-0892.84126.14-1.37UNM ahead
2025-05-0793.41126.55-1.36UNM ahead
2025-05-0692.49124.94-1.35UNM ahead
2025-05-0592.36123.64-1.29UNM ahead
2025-05-0292.17125.13-1.41UNM ahead
2025-05-0190.41121.71-1.35UNM ahead
2025-04-3094.92122.07-1.02UNM ahead
2025-04-2994.85124.55-1.18UNM ahead
2025-04-2894.75124.25-1.18UNM ahead
2025-04-2594.27123.34-1.17UNM ahead
2025-04-2495.32124.71-1.18UNM ahead
2025-04-2394.70123.70-1.17UNM ahead
2025-04-2294.59121.52-1.05UNM ahead
2025-04-2191.68116.58-0.98UNM ahead
2025-04-1793.83119.25-0.98UNM ahead
2025-04-1693.75118.96-0.97UNM ahead
2025-04-1594.35121.58-1.10UNM ahead
2025-04-1494.77120.89-1.03UNM ahead
2025-04-1193.30118.30-0.99UNM ahead
2025-04-1091.42116.03-1.00UNM ahead
2025-04-0991.97120.86-1.28UNM ahead
2025-04-0887.14110.78-1.03UNM ahead
2025-04-0787.34111.21-1.04UNM ahead
2025-04-0489.07111.87-0.94UNM ahead
2025-04-0397.60124.55-1.07UNM ahead
2025-04-0298.05130.32-1.40UNM ahead
2025-04-0198.21128.89-1.31UNM ahead
2025-03-3197.11128.04-1.36UNM ahead
2025-03-2895.90125.75-1.33UNM ahead
2025-03-2796.75128.72-1.45UNM ahead
2025-03-2696.45129.41-1.53UNM ahead
2025-03-2595.83130.52-1.67UNM ahead
2025-03-2495.76131.00-1.72UNM ahead
2025-03-2194.53127.85-1.65UNM ahead
2025-03-2094.93127.38-1.59UNM ahead
2025-03-1994.72127.93-1.66UNM ahead
2025-03-1893.76127.13-1.71UNM ahead
2025-03-1794.67128.28-1.72UNM ahead
2025-03-1493.67123.91-1.54UNM ahead
2025-03-1391.79121.27-1.54UNM ahead
2025-03-1291.43122.01-1.64UNM ahead
2025-03-1192.81123.56-1.63UNM ahead
2025-03-1093.24121.55-1.46UNM ahead
2025-03-0794.68124.24-1.53UNM ahead
2025-03-0694.28124.90-1.63UNM ahead
2025-03-0594.46127.73-1.83UNM ahead
2025-03-0493.97122.46-1.52UNM ahead
2025-03-0396.19127.93-1.71UNM ahead
2025-02-2895.61129.35-1.88UNM ahead
2025-02-2793.83128.45-2.01UNM ahead
2025-02-2692.41121.47-1.66UNM ahead
2025-02-2593.21120.04-1.49UNM ahead
2025-02-2490.91117.51-1.53UNM ahead
2025-02-2189.22116.41-1.63UNM ahead
2025-02-2091.07117.56-1.55UNM ahead
2025-02-1991.28117.79-1.56UNM ahead
2025-02-1891.06116.35-1.48UNM ahead
2025-02-1490.25116.88-1.62UNM ahead
2025-02-1390.90118.58-1.70UNM ahead
2025-02-1289.90118.11-1.78UNM ahead
2025-02-1189.95118.14-1.80UNM ahead
2025-02-1089.62120.32-2.03UNM ahead
2025-02-0790.46120.95-2.02UNM ahead
2025-02-0690.03120.51-2.05UNM ahead
2025-02-0593.70122.16-1.81UNM ahead
2025-02-0493.24119.38-1.65UNM ahead
2025-02-0393.20119.82-1.71UNM ahead
2025-01-3193.78119.85-1.67UNM ahead
2025-01-3094.54121.05-1.70UNM ahead
2025-01-2993.99121.50-1.82UNM ahead
2025-01-2893.69119.40-1.69UNM ahead
2025-01-2794.45118.41-1.54UNM ahead
2025-01-2491.62117.90-1.82UNM ahead
2025-01-2391.24118.77-1.96UNM ahead
2025-01-2291.09118.42-1.97UNM ahead
2025-01-2192.92118.59-1.80UNM ahead
2025-01-1793.00117.86-1.75UNM ahead
2025-01-1692.52116.79-1.73UNM ahead
2025-01-1591.52115.26-1.72UNM ahead
2025-01-1490.52114.71-1.80UNM ahead
2025-01-1389.51112.98-1.78UNM ahead
2025-01-1088.20112.86-1.95UNM ahead
2025-01-0890.45114.67-1.87UNM ahead
2025-01-0789.82115.33-2.03UNM ahead
2025-01-0688.90115.17-2.16UNM ahead
2025-01-0390.10114.90-2.01UNM ahead
2025-01-0289.40114.63-2.10UNM ahead
2024-12-3190.34114.79-2.02UNM ahead
2024-12-3089.93114.82-2.10UNM ahead
2024-12-2790.29115.04-2.11UNM ahead
2024-12-2690.53115.95-2.20UNM ahead
2024-12-2490.17115.28-2.21UNM ahead
2024-12-2389.73114.40-2.20UNM ahead
2024-12-2089.69113.19-2.11UNM ahead
2024-12-1988.43111.54-2.13UNM ahead
2024-12-1887.66110.83-2.19UNM ahead
2024-12-1789.74114.52-2.34UNM ahead
2024-12-1690.66115.66-2.37UNM ahead
2024-12-1391.28116.05-2.36UNM ahead
2024-12-1291.16115.69-2.37UNM ahead
2024-12-1191.01114.62-2.31UNM ahead
2024-12-1091.02114.49-2.33UNM ahead
2024-12-0991.70116.39-2.47UNM ahead
2024-12-0693.72117.82-2.39UNM ahead
2024-12-0594.10119.62-2.56UNM ahead
2024-12-0493.44118.94-2.62UNM ahead
2024-12-0393.24119.52-2.76UNM ahead
2024-12-0297.29120.01-2.29UNM ahead
2024-11-2999.56120.87-2.10UNM ahead
2024-11-2799.65121.14-2.14UNM ahead
2024-11-2699.58119.79-2.03UNM ahead
2024-11-2598.86119.79-2.15UNM ahead
2024-11-2298.16119.21-2.21UNM ahead
2024-11-2197.58118.56-2.24UNM ahead
2024-11-2096.28114.15-1.93UNM ahead
2024-11-1997.06113.30-1.73UNM ahead
2024-11-1897.85114.08-1.73UNM ahead
2024-11-1597.22115.04-1.96UNM ahead
2024-11-1495.79113.55-2.00UNM ahead
2024-11-1396.45111.63-1.69UNM ahead
2024-11-1296.64112.07-1.74UNM ahead
2024-11-1196.45110.37-1.56UNM ahead
2024-11-0894.56109.12-1.70UNM ahead
2024-11-0793.83109.02-1.81UNM ahead
2024-11-0694.81110.34-1.86UNM ahead
2024-11-0592.19101.96-1.14UNM ahead
2024-11-0491.28100.72-1.12UNM ahead
2024-11-0191.45100.79-1.11UNM ahead
2024-10-3191.52100.88-1.11UNM ahead
2024-10-3096.15101.21-0.45near the usual relationship
2024-10-2996.0796.87+0.17near the usual relationship
2024-10-2895.8997.22+0.10near the usual relationship
2024-10-2595.8596.93+0.14near the usual relationship
2024-10-2497.8399.56+0.05near the usual relationship
2024-10-2397.9499.70+0.06near the usual relationship
2024-10-2297.9699.54+0.09near the usual relationship
2024-10-2198.4799.62+0.15near the usual relationship
2024-10-18100.00100.00+0.32near the usual relationship

One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Jul 30, 2025 (AFL -2.2%, UNM -12.2%). Upcoming earnings: UNM Nov 3, 2026 (after-hours); AFL Nov 4, 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)

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

AFL and UNM at a glance

AFL AFLAC Incorporated

Listing
NYSE · SEC CIK 4977
Industry
Accident &Health Insurance · SIC 6321 Accident & Health Insurance
Market value
$59.5B
Price history
2,521 daily closes, Oct 12, 2016 to Oct 22, 2026

UNM Unum Group

Listing
NYSE · SEC CIK 5513
Industry
Accident &Health Insurance · SIC 6321 Accident & Health Insurance
Market value
$14.5B
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
PFG / UNMWatchlistUNM by 0.50 sdAccident &Health Insurance
AFL / PFGWatchlistPFG by 0.40 sdAccident &Health Insurance

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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.