AFLAC Incorporated vs Principal Financial Group Inc
WatchlistAFL / PFGPrices through Oct 22, 2026
Why these are rivals: #1 and #2 by market value ($59B vs $23B) in Nasdaq's "Accident &Health Insurance" industry; SEC SIC 6321 / 6321 (same major group); #1 and #2 by market value ($59B vs $23B) 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: 0.38 (needs >= 0.60)
- Mean reversion: ADF t-statistic of the spread: -2.00 (needs <= -2.873 (5% critical value))
Business leadership
AFL is the larger business
Annual revenue reported to the SEC. Scale, not market share.
| Year | AFL | PFG | Larger |
|---|---|---|---|
| 2025 | $17.2B | $15.6B | AFL |
| 2024 | $18.9B | $16.1B | AFL |
| 2023 | $18.7B | $13.7B | AFL |
| 2022 | $19.1B | $17.5B | AFL |
| 2021 | $21.6B | $14.4B | AFL |
| 2020 | $22.1B | $14.7B | AFL |
AFL led in every year with figures for both. Market value: AFL $59.5B, PFG $22.9B.
Stock leadership
PFG is ahead now
Measured against the pair's own last 252 trading days.
PFG leads AFL by 0.40 standard deviations: +3.5% over its usual price ratio. 3 lead switches in the last year.
| Price change | 3 mo | 6 mo | 12 mo |
|---|---|---|---|
| AFL | -1.9% | +7.1% | +13.9% |
| PFG | +0.6% | +13.5% | +38.7% |
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: 0.38 (needs >= 0.60)
- Fail
- Mean reversion: ADF t-statistic of the spread: -2.00 (needs <= -2.873 (5% critical value))
- Pass
- Speed: half-life of the spread, sessions: 33.12 (needs <= 63)
- Data
- Both stocks current
The twins over two years
Prices side by side, and the gap between them
AFL AFLAC Incorporated PFG Principal Financial Group IncPrice index, 100 = 2024-10-18. Tint = which stock is ahead of the pair's usual 1-year relationship (z beyond +/-0.5).
Spread z-score: AFL relative to PFG, against the 252 sessions before each day. Above 0: AFL ahead; below 0: PFG ahead. Lines at +/-2 (idea) and +/-4 (stop).
Data table (504 sessions)
| Date | AFL index | PFG index | z | Ahead |
|---|---|---|---|---|
| 2026-10-22 | 107.66 | 121.72 | -0.40 | near the usual relationship |
| 2026-10-21 | 104.93 | 119.88 | -0.53 | PFG ahead |
| 2026-10-20 | 105.04 | 119.32 | -0.47 | near the usual relationship |
| 2026-10-19 | 103.64 | 118.13 | -0.52 | PFG ahead |
| 2026-10-16 | 104.78 | 120.29 | -0.61 | PFG ahead |
| 2026-10-15 | 103.10 | 120.45 | -0.82 | PFG ahead |
| 2026-10-14 | 103.24 | 118.57 | -0.63 | PFG ahead |
| 2026-10-13 | 101.69 | 118.99 | -0.84 | PFG ahead |
| 2026-10-12 | 101.21 | 119.21 | -0.92 | PFG ahead |
| 2026-10-09 | 100.03 | 118.55 | -1.00 | PFG ahead |
| 2026-10-08 | 100.38 | 121.35 | -1.23 | PFG ahead |
| 2026-10-07 | 98.46 | 120.20 | -1.35 | PFG ahead |
| 2026-10-06 | 99.24 | 121.27 | -1.37 | PFG ahead |
| 2026-10-05 | 98.15 | 122.74 | -1.65 | PFG ahead |
| 2026-10-02 | 97.41 | 123.77 | -1.84 | PFG ahead |
| 2026-10-01 | 97.10 | 124.08 | -1.93 | PFG ahead |
| 2026-09-30 | 97.62 | 123.77 | -1.85 | PFG ahead |
| 2026-09-29 | 99.27 | 125.99 | -1.88 | PFG ahead |
| 2026-09-28 | 99.17 | 126.73 | -1.98 | PFG ahead |
| 2026-09-25 | 99.32 | 126.87 | -2.00 | PFG ahead |
| 2026-09-24 | 99.57 | 126.19 | -1.93 | PFG ahead |
| 2026-09-23 | 100.64 | 125.93 | -1.80 | PFG ahead |
| 2026-09-22 | 100.09 | 125.57 | -1.85 | PFG ahead |
| 2026-09-21 | 100.59 | 128.75 | -2.11 | PFG ahead |
| 2026-09-18 | 101.60 | 130.08 | -2.13 | PFG ahead |
| 2026-09-17 | 101.83 | 128.17 | -1.95 | PFG ahead |
| 2026-09-16 | 102.02 | 128.94 | -2.03 | PFG ahead |
| 2026-09-15 | 102.66 | 130.85 | -2.15 | PFG ahead |
| 2026-09-14 | 102.19 | 129.23 | -2.08 | PFG ahead |
| 2026-09-11 | 100.68 | 128.42 | -2.21 | PFG ahead |
| 2026-09-10 | 99.97 | 127.08 | -2.20 | PFG ahead |
| 2026-09-09 | 100.21 | 126.04 | -2.10 | PFG ahead |
| 2026-09-08 | 100.58 | 127.17 | -2.19 | PFG ahead |
| 2026-09-04 | 102.37 | 128.99 | -2.17 | PFG ahead |
| 2026-09-03 | 103.37 | 131.01 | -2.27 | PFG ahead |
| 2026-09-02 | 102.39 | 123.05 | -1.63 | PFG ahead |
| 2026-09-01 | 101.33 | 120.89 | -1.56 | PFG ahead |
| 2026-08-31 | 101.18 | 121.78 | -1.68 | PFG ahead |
| 2026-08-28 | 101.76 | 123.16 | -1.77 | PFG ahead |
| 2026-08-27 | 101.82 | 124.00 | -1.86 | PFG ahead |
| 2026-08-26 | 102.58 | 124.04 | -1.79 | PFG ahead |
| 2026-08-25 | 101.47 | 123.36 | -1.88 | PFG ahead |
| 2026-08-24 | 103.23 | 123.69 | -1.71 | PFG ahead |
| 2026-08-21 | 101.37 | 122.43 | -1.83 | PFG ahead |
| 2026-08-20 | 101.46 | 122.20 | -1.81 | PFG ahead |
| 2026-08-19 | 101.76 | 123.41 | -1.92 | PFG ahead |
| 2026-08-18 | 106.31 | 125.07 | -1.54 | PFG ahead |
| 2026-08-17 | 105.66 | 124.88 | -1.62 | PFG ahead |
| 2026-08-14 | 106.07 | 126.00 | -1.70 | PFG ahead |
| 2026-08-13 | 105.76 | 127.05 | -1.86 | PFG ahead |
| 2026-08-12 | 105.44 | 125.77 | -1.78 | PFG ahead |
| 2026-08-11 | 105.74 | 124.95 | -1.68 | PFG ahead |
| 2026-08-10 | 106.50 | 125.81 | -1.69 | PFG ahead |
| 2026-08-07 | 108.83 | 125.36 | -1.38 | PFG ahead |
| 2026-08-06 | 110.62 | 127.58 | -1.41 | PFG ahead |
| 2026-08-05 | 109.66 | 126.96 | -1.47 | PFG ahead |
| 2026-08-04 | 109.30 | 127.40 | -1.57 | PFG ahead |
| 2026-08-03 | 110.66 | 127.27 | -1.41 | PFG ahead |
| 2026-07-31 | 111.34 | 125.69 | -1.18 | PFG ahead |
| 2026-07-30 | 111.23 | 125.97 | -1.23 | PFG ahead |
| 2026-07-29 | 112.38 | 125.12 | -1.01 | PFG ahead |
| 2026-07-28 | 113.14 | 126.12 | -1.04 | PFG ahead |
| 2026-07-27 | 110.53 | 123.03 | -1.02 | PFG ahead |
| 2026-07-24 | 109.69 | 120.94 | -0.90 | PFG ahead |
| 2026-07-23 | 108.59 | 118.64 | -0.79 | PFG ahead |
| 2026-07-22 | 107.93 | 119.67 | -0.99 | PFG ahead |
| 2026-07-21 | 107.94 | 121.13 | -1.16 | PFG ahead |
| 2026-07-20 | 108.37 | 123.88 | -1.42 | PFG ahead |
| 2026-07-17 | 108.93 | 125.97 | -1.59 | PFG ahead |
| 2026-07-16 | 107.44 | 125.05 | -1.69 | PFG ahead |
| 2026-07-15 | 105.69 | 124.87 | -1.91 | PFG ahead |
| 2026-07-14 | 106.59 | 124.83 | -1.81 | PFG ahead |
| 2026-07-13 | 107.69 | 125.59 | -1.78 | PFG ahead |
| 2026-07-10 | 106.47 | 124.07 | -1.78 | PFG ahead |
| 2026-07-09 | 106.54 | 123.45 | -1.72 | PFG ahead |
| 2026-07-08 | 106.06 | 122.42 | -1.69 | PFG ahead |
| 2026-07-07 | 106.10 | 124.78 | -1.97 | PFG ahead |
| 2026-07-06 | 105.21 | 124.42 | -2.07 | PFG ahead |
| 2026-07-02 | 105.57 | 122.56 | -1.83 | PFG ahead |
| 2026-07-01 | 103.48 | 120.42 | -1.89 | PFG ahead |
| 2026-06-30 | 102.40 | 119.15 | -1.91 | PFG ahead |
| 2026-06-29 | 104.87 | 119.95 | -1.68 | PFG ahead |
| 2026-06-26 | 104.93 | 119.11 | -1.58 | PFG ahead |
| 2026-06-25 | 103.26 | 116.56 | -1.52 | PFG ahead |
| 2026-06-24 | 102.84 | 117.95 | -1.77 | PFG ahead |
| 2026-06-23 | 103.75 | 124.21 | -2.43 | PFG ahead |
| 2026-06-22 | 101.79 | 122.96 | -2.60 | PFG ahead |
| 2026-06-18 | 100.85 | 121.13 | -2.55 | PFG ahead |
| 2026-06-17 | 101.52 | 121.84 | -2.59 | PFG ahead |
| 2026-06-16 | 102.54 | 122.89 | -2.61 | PFG ahead |
| 2026-06-15 | 102.15 | 122.25 | -2.63 | PFG ahead |
| 2026-06-12 | 102.88 | 122.83 | -2.64 | PFG ahead |
| 2026-06-11 | 101.70 | 121.26 | -2.66 | PFG ahead |
| 2026-06-10 | 102.28 | 120.73 | -2.55 | PFG ahead |
| 2026-06-09 | 100.97 | 117.91 | -2.41 | PFG ahead |
| 2026-06-08 | 100.65 | 116.11 | -2.24 | PFG ahead |
| 2026-06-05 | 103.27 | 116.32 | -1.87 | PFG ahead |
| 2026-06-04 | 100.69 | 114.43 | -2.04 | PFG ahead |
| 2026-06-03 | 100.00 | 111.86 | -1.80 | PFG ahead |
| 2026-06-02 | 99.24 | 114.21 | -2.30 | PFG ahead |
| 2026-06-01 | 97.91 | 113.75 | -2.50 | PFG ahead |
| 2026-05-29 | 98.18 | 114.55 | -2.62 | PFG ahead |
| 2026-05-28 | 98.37 | 114.22 | -2.58 | PFG ahead |
| 2026-05-27 | 100.31 | 115.60 | -2.49 | PFG ahead |
| 2026-05-26 | 102.03 | 115.75 | -2.25 | PFG ahead |
| 2026-05-22 | 102.93 | 114.80 | -1.97 | PFG ahead |
| 2026-05-21 | 102.89 | 114.88 | -2.01 | PFG ahead |
| 2026-05-20 | 102.38 | 113.65 | -1.93 | PFG ahead |
| 2026-05-19 | 103.41 | 111.81 | -1.47 | PFG ahead |
| 2026-05-18 | 103.64 | 113.20 | -1.67 | PFG ahead |
| 2026-05-15 | 102.02 | 111.13 | -1.64 | PFG ahead |
| 2026-05-14 | 101.65 | 111.40 | -1.76 | PFG ahead |
| 2026-05-13 | 100.86 | 111.01 | -1.87 | PFG ahead |
| 2026-05-12 | 101.45 | 111.47 | -1.85 | PFG ahead |
| 2026-05-11 | 100.86 | 110.76 | -1.86 | PFG ahead |
| 2026-05-08 | 98.78 | 111.10 | -2.34 | PFG ahead |
| 2026-05-07 | 99.21 | 110.58 | -2.19 | PFG ahead |
| 2026-05-06 | 99.04 | 112.26 | -2.55 | PFG ahead |
| 2026-05-05 | 99.97 | 111.51 | -2.27 | PFG ahead |
| 2026-05-04 | 98.98 | 109.95 | -2.22 | PFG ahead |
| 2026-05-01 | 98.59 | 111.75 | -2.63 | PFG ahead |
| 2026-04-30 | 99.28 | 111.55 | -2.48 | PFG ahead |
| 2026-04-29 | 101.49 | 110.14 | -1.81 | PFG ahead |
| 2026-04-28 | 101.56 | 110.61 | -1.89 | PFG ahead |
| 2026-04-27 | 100.16 | 110.26 | -2.10 | PFG ahead |
| 2026-04-24 | 100.10 | 109.82 | -2.05 | PFG ahead |
| 2026-04-23 | 100.54 | 107.23 | -1.52 | PFG ahead |
| 2026-04-22 | 100.22 | 107.71 | -1.66 | PFG ahead |
| 2026-04-21 | 101.28 | 105.83 | -1.14 | PFG ahead |
| 2026-04-20 | 100.15 | 106.33 | -1.44 | PFG ahead |
| 2026-04-17 | 100.02 | 106.31 | -1.46 | PFG ahead |
| 2026-04-16 | 99.31 | 103.89 | -1.18 | PFG ahead |
| 2026-04-15 | 98.67 | 104.67 | -1.43 | PFG ahead |
| 2026-04-14 | 97.76 | 104.07 | -1.50 | PFG ahead |
| 2026-04-13 | 97.94 | 103.42 | -1.37 | PFG ahead |
| 2026-04-10 | 96.68 | 101.48 | -1.27 | PFG ahead |
| 2026-04-09 | 98.75 | 102.06 | -1.01 | PFG ahead |
| 2026-04-08 | 98.69 | 104.13 | -1.39 | PFG ahead |
| 2026-04-07 | 96.52 | 100.66 | -1.19 | PFG ahead |
| 2026-04-06 | 96.30 | 100.72 | -1.25 | PFG ahead |
| 2026-04-02 | 96.49 | 99.60 | -1.02 | PFG ahead |
| 2026-04-01 | 95.76 | 99.58 | -1.16 | PFG ahead |
| 2026-03-31 | 95.82 | 99.61 | -1.17 | PFG ahead |
| 2026-03-30 | 94.47 | 97.53 | -1.05 | PFG ahead |
| 2026-03-27 | 92.93 | 96.19 | -1.10 | PFG ahead |
| 2026-03-26 | 94.51 | 98.32 | -1.20 | PFG ahead |
| 2026-03-25 | 93.63 | 98.08 | -1.33 | PFG ahead |
| 2026-03-24 | 92.75 | 96.97 | -1.31 | PFG ahead |
| 2026-03-23 | 93.14 | 95.68 | -0.99 | PFG ahead |
| 2026-03-20 | 92.77 | 94.04 | -0.76 | PFG ahead |
| 2026-03-19 | 93.60 | 94.96 | -0.78 | PFG ahead |
| 2026-03-18 | 94.25 | 95.82 | -0.82 | PFG ahead |
| 2026-03-17 | 95.65 | 96.98 | -0.77 | PFG ahead |
| 2026-03-16 | 95.29 | 95.57 | -0.58 | PFG ahead |
| 2026-03-13 | 94.94 | 94.88 | -0.51 | PFG ahead |
| 2026-03-12 | 95.75 | 95.28 | -0.44 | near the usual relationship |
| 2026-03-11 | 95.48 | 97.50 | -0.91 | PFG ahead |
| 2026-03-10 | 96.33 | 99.19 | -1.06 | PFG ahead |
| 2026-03-09 | 96.23 | 100.17 | -1.27 | PFG ahead |
| 2026-03-06 | 97.20 | 101.99 | -1.42 | PFG ahead |
| 2026-03-05 | 96.98 | 103.36 | -1.71 | PFG ahead |
| 2026-03-04 | 98.24 | 103.36 | -1.48 | PFG ahead |
| 2026-03-03 | 98.19 | 103.55 | -1.53 | PFG ahead |
| 2026-03-02 | 99.00 | 105.94 | -1.81 | PFG ahead |
| 2026-02-27 | 98.63 | 105.48 | -1.81 | PFG ahead |
| 2026-02-26 | 99.54 | 107.78 | -2.06 | PFG ahead |
| 2026-02-25 | 98.20 | 104.67 | -1.77 | PFG ahead |
| 2026-02-24 | 98.22 | 104.85 | -1.81 | PFG ahead |
| 2026-02-23 | 98.12 | 102.47 | -1.39 | PFG ahead |
| 2026-02-20 | 99.59 | 105.86 | -1.73 | PFG ahead |
| 2026-02-19 | 98.48 | 101.87 | -1.21 | PFG ahead |
| 2026-02-18 | 99.23 | 102.20 | -1.13 | PFG ahead |
| 2026-02-17 | 100.80 | 101.68 | -0.73 | PFG ahead |
| 2026-02-13 | 100.36 | 99.92 | -0.48 | near the usual relationship |
| 2026-02-12 | 101.21 | 100.06 | -0.35 | near the usual relationship |
| 2026-02-11 | 101.53 | 102.60 | -0.75 | PFG ahead |
| 2026-02-10 | 101.21 | 103.52 | -0.97 | PFG ahead |
| 2026-02-09 | 98.86 | 106.05 | -1.88 | PFG ahead |
| 2026-02-06 | 102.31 | 107.61 | -1.52 | PFG ahead |
| 2026-02-05 | 102.59 | 105.57 | -1.12 | PFG ahead |
| 2026-02-04 | 99.23 | 106.57 | -1.95 | PFG ahead |
| 2026-02-03 | 97.85 | 105.34 | -2.02 | PFG ahead |
| 2026-02-02 | 97.77 | 106.12 | -2.20 | PFG ahead |
| 2026-01-30 | 96.90 | 104.71 | -2.14 | PFG ahead |
| 2026-01-29 | 96.52 | 104.75 | -2.26 | PFG ahead |
| 2026-01-28 | 95.13 | 103.97 | -2.43 | PFG ahead |
| 2026-01-27 | 94.66 | 101.96 | -2.17 | PFG ahead |
| 2026-01-26 | 95.14 | 102.81 | -2.26 | PFG ahead |
| 2026-01-23 | 93.53 | 100.83 | -2.24 | PFG ahead |
| 2026-01-22 | 94.59 | 101.87 | -2.25 | PFG ahead |
| 2026-01-21 | 94.81 | 100.70 | -1.99 | PFG ahead |
| 2026-01-20 | 95.42 | 97.88 | -1.27 | PFG ahead |
| 2026-01-16 | 95.64 | 97.81 | -1.22 | PFG ahead |
| 2026-01-15 | 95.73 | 100.57 | -1.80 | PFG ahead |
| 2026-01-14 | 96.23 | 100.83 | -1.76 | PFG ahead |
| 2026-01-13 | 94.29 | 98.41 | -1.69 | PFG ahead |
| 2026-01-12 | 95.09 | 99.71 | -1.81 | PFG ahead |
| 2026-01-09 | 95.41 | 99.81 | -1.78 | PFG ahead |
| 2026-01-08 | 96.30 | 101.40 | -1.95 | PFG ahead |
| 2026-01-07 | 96.24 | 100.46 | -1.78 | PFG ahead |
| 2026-01-06 | 97.78 | 101.48 | -1.66 | PFG ahead |
| 2026-01-05 | 97.98 | 100.06 | -1.32 | PFG ahead |
| 2026-01-02 | 96.28 | 98.85 | -1.45 | PFG ahead |
| 2025-12-31 | 96.31 | 97.51 | -1.15 | PFG ahead |
| 2025-12-30 | 96.77 | 98.28 | -1.23 | PFG ahead |
| 2025-12-29 | 96.03 | 98.43 | -1.44 | PFG ahead |
| 2025-12-26 | 95.98 | 98.81 | -1.55 | PFG ahead |
| 2025-12-24 | 96.61 | 99.04 | -1.47 | PFG ahead |
| 2025-12-23 | 96.70 | 98.96 | -1.45 | PFG ahead |
| 2025-12-22 | 96.11 | 98.65 | -1.53 | PFG ahead |
| 2025-12-19 | 96.38 | 98.33 | -1.40 | PFG ahead |
| 2025-12-18 | 96.47 | 98.76 | -1.49 | PFG ahead |
| 2025-12-17 | 96.51 | 98.80 | -1.51 | PFG ahead |
| 2025-12-16 | 95.62 | 98.98 | -1.78 | PFG ahead |
| 2025-12-15 | 97.38 | 100.19 | -1.65 | PFG ahead |
| 2025-12-12 | 96.11 | 99.43 | -1.79 | PFG ahead |
| 2025-12-11 | 95.07 | 101.19 | -2.50 | PFG ahead |
| 2025-12-10 | 93.62 | 99.75 | -2.55 | PFG ahead |
| 2025-12-09 | 94.34 | 97.51 | -1.84 | PFG ahead |
| 2025-12-08 | 94.38 | 96.04 | -1.47 | PFG ahead |
| 2025-12-05 | 95.44 | 96.75 | -1.38 | PFG ahead |
| 2025-12-04 | 95.41 | 94.99 | -0.95 | PFG ahead |
| 2025-12-03 | 95.23 | 95.00 | -1.00 | PFG ahead |
| 2025-12-02 | 95.05 | 93.21 | -0.59 | PFG ahead |
| 2025-12-01 | 95.68 | 93.36 | -0.47 | near the usual relationship |
| 2025-11-28 | 96.34 | 93.77 | -0.41 | near the usual relationship |
| 2025-11-26 | 96.55 | 93.52 | -0.29 | near the usual relationship |
| 2025-11-25 | 97.49 | 93.62 | -0.08 | near the usual relationship |
| 2025-11-24 | 96.40 | 93.48 | -0.32 | near the usual relationship |
| 2025-11-21 | 96.93 | 93.18 | -0.11 | near the usual relationship |
| 2025-11-20 | 96.55 | 91.05 | +0.36 | near the usual relationship |
| 2025-11-19 | 95.55 | 91.87 | -0.11 | near the usual relationship |
| 2025-11-18 | 97.61 | 90.86 | +0.69 | AFL ahead |
| 2025-11-17 | 98.05 | 89.55 | +1.16 | AFL ahead |
| 2025-11-14 | 99.86 | 93.38 | +0.59 | AFL ahead |
| 2025-11-13 | 100.45 | 93.54 | +0.69 | AFL ahead |
| 2025-11-12 | 100.10 | 94.25 | +0.43 | near the usual relationship |
| 2025-11-11 | 99.38 | 93.28 | +0.52 | AFL ahead |
| 2025-11-10 | 99.20 | 92.39 | +0.71 | AFL ahead |
| 2025-11-07 | 99.64 | 91.60 | +1.03 | AFL ahead |
| 2025-11-06 | 99.30 | 91.13 | +1.08 | AFL ahead |
| 2025-11-05 | 97.15 | 89.72 | +0.94 | AFL ahead |
| 2025-11-04 | 95.03 | 90.71 | +0.14 | near the usual relationship |
| 2025-11-03 | 93.42 | 91.78 | -0.55 | PFG ahead |
| 2025-10-31 | 93.62 | 92.90 | -0.80 | PFG ahead |
| 2025-10-30 | 93.31 | 91.47 | -0.50 | PFG ahead |
| 2025-10-29 | 92.31 | 91.12 | -0.67 | PFG ahead |
| 2025-10-28 | 93.17 | 90.87 | -0.38 | near the usual relationship |
| 2025-10-27 | 93.93 | 87.96 | +0.61 | AFL ahead |
| 2025-10-24 | 93.61 | 88.02 | +0.51 | AFL ahead |
| 2025-10-23 | 93.93 | 87.82 | +0.66 | AFL ahead |
| 2025-10-22 | 94.19 | 87.49 | +0.82 | AFL ahead |
| 2025-10-21 | 94.48 | 87.76 | +0.82 | AFL ahead |
| 2025-10-20 | 95.00 | 87.30 | +1.09 | AFL ahead |
| 2025-10-17 | 94.07 | 86.92 | +0.97 | AFL ahead |
| 2025-10-16 | 93.21 | 86.66 | +0.83 | AFL ahead |
| 2025-10-15 | 95.90 | 89.43 | +0.76 | AFL ahead |
| 2025-10-14 | 97.39 | 89.86 | +1.02 | AFL ahead |
| 2025-10-13 | 96.30 | 88.07 | +1.24 | AFL ahead |
| 2025-10-10 | 96.90 | 87.80 | +1.48 | AFL ahead |
| 2025-10-09 | 97.09 | 91.41 | +0.56 | AFL ahead |
| 2025-10-08 | 97.73 | 90.39 | +0.99 | AFL ahead |
| 2025-10-07 | 98.63 | 92.38 | +0.69 | AFL ahead |
| 2025-10-06 | 98.75 | 93.06 | +0.54 | AFL ahead |
| 2025-10-03 | 98.10 | 93.12 | +0.37 | near the usual relationship |
| 2025-10-02 | 96.59 | 93.15 | -0.01 | near the usual relationship |
| 2025-10-01 | 96.72 | 91.80 | +0.38 | near the usual relationship |
| 2025-09-30 | 97.55 | 91.65 | +0.63 | AFL ahead |
| 2025-09-29 | 97.25 | 91.17 | +0.68 | AFL ahead |
| 2025-09-26 | 97.26 | 91.33 | +0.65 | AFL ahead |
| 2025-09-25 | 95.62 | 90.10 | +0.57 | AFL ahead |
| 2025-09-24 | 95.47 | 90.47 | +0.44 | near the usual relationship |
| 2025-09-23 | 94.52 | 91.09 | +0.04 | near the usual relationship |
| 2025-09-22 | 93.80 | 90.88 | -0.09 | near the usual relationship |
| 2025-09-19 | 94.36 | 90.33 | +0.20 | near the usual relationship |
| 2025-09-18 | 94.32 | 90.40 | +0.17 | near the usual relationship |
| 2025-09-17 | 95.40 | 89.39 | +0.71 | AFL ahead |
| 2025-09-16 | 94.00 | 88.54 | +0.59 | AFL ahead |
| 2025-09-15 | 94.68 | 91.70 | -0.09 | near the usual relationship |
| 2025-09-12 | 95.31 | 91.42 | +0.14 | near the usual relationship |
| 2025-09-11 | 94.93 | 90.74 | +0.22 | near the usual relationship |
| 2025-09-10 | 93.65 | 88.51 | +0.48 | near the usual relationship |
| 2025-09-09 | 92.82 | 88.51 | +0.27 | near the usual relationship |
| 2025-09-08 | 92.87 | 88.12 | +0.39 | near the usual relationship |
| 2025-09-05 | 93.39 | 88.41 | +0.44 | near the usual relationship |
| 2025-09-04 | 94.80 | 89.87 | +0.40 | near the usual relationship |
| 2025-09-03 | 93.22 | 88.64 | +0.33 | near the usual relationship |
| 2025-09-02 | 92.24 | 88.37 | +0.15 | near the usual relationship |
| 2025-08-29 | 93.33 | 89.00 | +0.26 | near the usual relationship |
| 2025-08-28 | 92.66 | 88.68 | +0.17 | near the usual relationship |
| 2025-08-27 | 93.81 | 89.37 | +0.28 | near the usual relationship |
| 2025-08-26 | 94.46 | 89.04 | +0.52 | AFL ahead |
| 2025-08-25 | 93.78 | 88.75 | +0.43 | near the usual relationship |
| 2025-08-22 | 94.72 | 89.23 | +0.54 | AFL ahead |
| 2025-08-21 | 94.49 | 86.97 | +1.09 | AFL ahead |
| 2025-08-20 | 94.24 | 87.02 | +1.01 | AFL ahead |
| 2025-08-19 | 93.35 | 86.89 | +0.83 | AFL ahead |
| 2025-08-18 | 92.37 | 85.89 | +0.85 | AFL ahead |
| 2025-08-15 | 92.03 | 85.83 | +0.78 | AFL ahead |
| 2025-08-14 | 91.97 | 86.33 | +0.63 | AFL ahead |
| 2025-08-13 | 92.31 | 86.60 | +0.64 | AFL ahead |
| 2025-08-12 | 90.44 | 85.39 | +0.49 | near the usual relationship |
| 2025-08-11 | 90.98 | 84.55 | +0.86 | AFL ahead |
| 2025-08-08 | 90.41 | 84.67 | +0.68 | AFL ahead |
| 2025-08-07 | 89.33 | 83.57 | +0.71 | AFL ahead |
| 2025-08-06 | 89.35 | 84.91 | +0.34 | near the usual relationship |
| 2025-08-05 | 86.39 | 84.15 | -0.24 | near the usual relationship |
| 2025-08-04 | 86.08 | 83.88 | -0.24 | near the usual relationship |
| 2025-08-01 | 85.67 | 83.50 | -0.23 | near the usual relationship |
| 2025-07-31 | 86.78 | 86.04 | -0.60 | PFG ahead |
| 2025-07-30 | 86.10 | 84.67 | -0.40 | near the usual relationship |
| 2025-07-29 | 88.05 | 88.65 | -0.90 | PFG ahead |
| 2025-07-28 | 88.10 | 88.87 | -0.91 | PFG ahead |
| 2025-07-25 | 90.28 | 89.60 | -0.54 | PFG ahead |
| 2025-07-24 | 89.48 | 88.80 | -0.52 | PFG ahead |
| 2025-07-23 | 89.86 | 89.41 | -0.54 | PFG ahead |
| 2025-07-22 | 89.69 | 88.66 | -0.39 | near the usual relationship |
| 2025-07-21 | 88.31 | 87.04 | -0.31 | near the usual relationship |
| 2025-07-18 | 88.93 | 89.61 | -0.70 | PFG ahead |
| 2025-07-17 | 88.58 | 89.51 | -0.73 | PFG ahead |
| 2025-07-16 | 88.59 | 88.24 | -0.45 | near the usual relationship |
| 2025-07-15 | 87.88 | 87.75 | -0.47 | near the usual relationship |
| 2025-07-14 | 89.67 | 89.49 | -0.45 | near the usual relationship |
| 2025-07-11 | 88.71 | 88.85 | -0.49 | near the usual relationship |
| 2025-07-10 | 89.33 | 90.21 | -0.62 | PFG ahead |
| 2025-07-09 | 89.00 | 89.39 | -0.51 | PFG ahead |
| 2025-07-08 | 90.17 | 90.07 | -0.41 | near the usual relationship |
| 2025-07-07 | 89.85 | 88.65 | -0.20 | near the usual relationship |
| 2025-07-03 | 91.33 | 89.54 | -0.09 | near the usual relationship |
| 2025-07-02 | 90.41 | 89.00 | -0.14 | near the usual relationship |
| 2025-07-01 | 92.38 | 89.35 | +0.14 | near the usual relationship |
| 2025-06-30 | 92.10 | 87.81 | +0.38 | near the usual relationship |
| 2025-06-27 | 91.76 | 87.54 | +0.37 | near the usual relationship |
| 2025-06-26 | 90.75 | 86.67 | +0.36 | near the usual relationship |
| 2025-06-25 | 89.50 | 85.19 | +0.42 | near the usual relationship |
| 2025-06-24 | 90.97 | 86.15 | +0.51 | AFL ahead |
| 2025-06-23 | 91.56 | 85.49 | +0.73 | AFL ahead |
| 2025-06-20 | 90.22 | 84.69 | +0.65 | AFL ahead |
| 2025-06-18 | 89.63 | 83.98 | +0.68 | AFL ahead |
| 2025-06-17 | 89.16 | 83.79 | +0.65 | AFL ahead |
| 2025-06-16 | 89.71 | 84.82 | +0.56 | AFL ahead |
| 2025-06-13 | 89.24 | 83.90 | +0.65 | AFL ahead |
| 2025-06-12 | 89.63 | 85.14 | +0.51 | AFL ahead |
| 2025-06-11 | 88.52 | 84.56 | +0.43 | near the usual relationship |
| 2025-06-10 | 89.32 | 84.86 | +0.52 | AFL ahead |
| 2025-06-09 | 89.53 | 84.94 | +0.54 | AFL ahead |
| 2025-06-06 | 90.55 | 85.09 | +0.68 | AFL ahead |
| 2025-06-05 | 89.27 | 83.95 | +0.68 | AFL ahead |
| 2025-06-04 | 89.81 | 84.39 | +0.69 | AFL ahead |
| 2025-06-03 | 90.89 | 85.50 | +0.69 | AFL ahead |
| 2025-06-02 | 90.66 | 85.09 | +0.72 | AFL ahead |
| 2025-05-30 | 90.43 | 86.10 | +0.53 | AFL ahead |
| 2025-05-29 | 89.79 | 86.83 | +0.33 | near the usual relationship |
| 2025-05-28 | 89.07 | 85.86 | +0.38 | near the usual relationship |
| 2025-05-27 | 90.31 | 87.21 | +0.37 | near the usual relationship |
| 2025-05-23 | 89.55 | 85.13 | +0.57 | AFL ahead |
| 2025-05-22 | 89.48 | 85.51 | +0.51 | AFL ahead |
| 2025-05-21 | 90.43 | 85.52 | +0.65 | AFL ahead |
| 2025-05-20 | 92.24 | 89.02 | +0.41 | near the usual relationship |
| 2025-05-19 | 92.95 | 89.87 | +0.39 | near the usual relationship |
| 2025-05-16 | 93.29 | 90.15 | +0.40 | near the usual relationship |
| 2025-05-15 | 92.38 | 90.01 | +0.31 | near the usual relationship |
| 2025-05-14 | 90.74 | 89.59 | +0.16 | near the usual relationship |
| 2025-05-13 | 91.73 | 90.32 | +0.20 | near the usual relationship |
| 2025-05-12 | 92.20 | 90.32 | +0.27 | near the usual relationship |
| 2025-05-09 | 92.55 | 87.22 | +0.72 | AFL ahead |
| 2025-05-08 | 92.84 | 87.15 | +0.76 | AFL ahead |
| 2025-05-07 | 93.41 | 85.73 | +1.02 | AFL ahead |
| 2025-05-06 | 92.49 | 84.39 | +1.09 | AFL ahead |
| 2025-05-05 | 92.36 | 84.63 | +1.05 | AFL ahead |
| 2025-05-02 | 92.17 | 84.93 | +1.00 | AFL ahead |
| 2025-05-01 | 90.41 | 81.88 | +1.19 | AFL ahead |
| 2025-04-30 | 94.92 | 81.97 | +1.72 | AFL ahead |
| 2025-04-29 | 94.85 | 82.46 | +1.66 | AFL ahead |
| 2025-04-28 | 94.75 | 81.66 | +1.76 | AFL ahead |
| 2025-04-25 | 94.27 | 81.21 | +1.78 | AFL ahead |
| 2025-04-24 | 95.32 | 82.91 | +1.69 | AFL ahead |
| 2025-04-23 | 94.70 | 81.85 | +1.77 | AFL ahead |
| 2025-04-22 | 94.59 | 80.53 | +1.94 | AFL ahead |
| 2025-04-21 | 91.68 | 77.67 | +2.01 | AFL ahead |
| 2025-04-17 | 93.83 | 79.75 | +1.99 | AFL ahead |
| 2025-04-16 | 93.75 | 79.20 | +2.07 | AFL ahead |
| 2025-04-15 | 94.35 | 80.80 | +1.94 | AFL ahead |
| 2025-04-14 | 94.77 | 81.17 | +1.95 | AFL ahead |
| 2025-04-11 | 93.30 | 80.27 | +1.92 | AFL ahead |
| 2025-04-10 | 91.42 | 79.55 | +1.81 | AFL ahead |
| 2025-04-09 | 91.97 | 85.42 | +1.12 | AFL ahead |
| 2025-04-08 | 87.14 | 76.90 | +1.67 | AFL ahead |
| 2025-04-07 | 87.34 | 79.21 | +1.39 | AFL ahead |
| 2025-04-04 | 89.07 | 80.63 | +1.41 | AFL ahead |
| 2025-04-03 | 97.60 | 87.69 | +1.50 | AFL ahead |
| 2025-04-02 | 98.05 | 95.28 | +0.69 | AFL ahead |
| 2025-04-01 | 98.21 | 94.13 | +0.84 | AFL ahead |
| 2025-03-31 | 97.11 | 93.27 | +0.83 | AFL ahead |
| 2025-03-28 | 95.90 | 91.82 | +0.86 | AFL ahead |
| 2025-03-27 | 96.75 | 94.05 | +0.72 | AFL ahead |
| 2025-03-26 | 96.45 | 94.63 | +0.63 | AFL ahead |
| 2025-03-25 | 95.83 | 94.70 | +0.56 | AFL ahead |
| 2025-03-24 | 95.76 | 94.24 | +0.61 | AFL ahead |
| 2025-03-21 | 94.53 | 92.04 | +0.72 | AFL ahead |
| 2025-03-20 | 94.93 | 93.00 | +0.67 | AFL ahead |
| 2025-03-19 | 94.72 | 93.31 | +0.62 | AFL ahead |
| 2025-03-18 | 93.76 | 92.02 | +0.66 | AFL ahead |
| 2025-03-17 | 94.67 | 92.73 | +0.69 | AFL ahead |
| 2025-03-14 | 93.67 | 91.51 | +0.72 | AFL ahead |
| 2025-03-13 | 91.79 | 89.03 | +0.80 | AFL ahead |
| 2025-03-12 | 91.43 | 90.68 | +0.59 | AFL ahead |
| 2025-03-11 | 92.81 | 91.62 | +0.64 | AFL ahead |
| 2025-03-10 | 93.24 | 92.50 | +0.60 | AFL ahead |
| 2025-03-07 | 94.68 | 94.64 | +0.53 | AFL ahead |
| 2025-03-06 | 94.28 | 95.78 | +0.39 | near the usual relationship |
| 2025-03-05 | 94.46 | 96.24 | +0.36 | near the usual relationship |
| 2025-03-04 | 93.97 | 94.65 | +0.48 | near the usual relationship |
| 2025-03-03 | 96.19 | 97.99 | +0.38 | near the usual relationship |
| 2025-02-28 | 95.61 | 98.43 | +0.29 | near the usual relationship |
| 2025-02-27 | 93.83 | 96.76 | +0.28 | near the usual relationship |
| 2025-02-26 | 92.41 | 94.96 | +0.32 | near the usual relationship |
| 2025-02-25 | 93.21 | 94.36 | +0.46 | near the usual relationship |
| 2025-02-24 | 90.91 | 94.09 | +0.26 | near the usual relationship |
| 2025-02-21 | 89.22 | 93.28 | +0.18 | near the usual relationship |
| 2025-02-20 | 91.07 | 95.69 | +0.14 | near the usual relationship |
| 2025-02-19 | 91.28 | 95.28 | +0.21 | near the usual relationship |
| 2025-02-18 | 91.06 | 95.73 | +0.15 | near the usual relationship |
| 2025-02-14 | 90.25 | 94.68 | +0.17 | near the usual relationship |
| 2025-02-13 | 90.90 | 96.12 | +0.11 | near the usual relationship |
| 2025-02-12 | 89.90 | 93.90 | +0.22 | near the usual relationship |
| 2025-02-11 | 89.95 | 94.46 | +0.18 | near the usual relationship |
| 2025-02-10 | 89.62 | 93.28 | +0.26 | near the usual relationship |
| 2025-02-07 | 90.46 | 91.01 | +0.56 | AFL ahead |
| 2025-02-06 | 90.03 | 88.44 | +0.78 | AFL ahead |
| 2025-02-05 | 93.70 | 89.07 | +1.07 | AFL ahead |
| 2025-02-04 | 93.24 | 89.20 | +1.02 | AFL ahead |
| 2025-02-03 | 93.20 | 89.51 | +0.99 | AFL ahead |
| 2025-01-31 | 93.78 | 91.15 | +0.90 | AFL ahead |
| 2025-01-30 | 94.54 | 92.32 | +0.87 | AFL ahead |
| 2025-01-29 | 93.99 | 92.17 | +0.84 | AFL ahead |
| 2025-01-28 | 93.69 | 91.63 | +0.87 | AFL ahead |
| 2025-01-27 | 94.45 | 91.33 | +0.97 | AFL ahead |
| 2025-01-24 | 91.62 | 90.46 | +0.80 | AFL ahead |
| 2025-01-23 | 91.24 | 90.50 | +0.76 | AFL ahead |
| 2025-01-22 | 91.09 | 90.27 | +0.78 | AFL ahead |
| 2025-01-21 | 92.92 | 91.24 | +0.86 | AFL ahead |
| 2025-01-17 | 93.00 | 90.27 | +0.97 | AFL ahead |
| 2025-01-16 | 92.52 | 89.70 | +0.99 | AFL ahead |
| 2025-01-15 | 91.52 | 88.53 | +1.02 | AFL ahead |
| 2025-01-14 | 90.52 | 87.15 | +1.06 | AFL ahead |
| 2025-01-13 | 89.51 | 86.00 | +1.09 | AFL ahead |
| 2025-01-10 | 88.20 | 84.39 | +1.13 | AFL ahead |
| 2025-01-08 | 90.45 | 86.59 | +1.14 | AFL ahead |
| 2025-01-07 | 89.82 | 86.56 | +1.09 | AFL ahead |
| 2025-01-06 | 88.90 | 86.03 | +1.06 | AFL ahead |
| 2025-01-03 | 90.10 | 86.13 | +1.18 | AFL ahead |
| 2025-01-02 | 89.40 | 85.55 | +1.18 | AFL ahead |
| 2024-12-31 | 90.34 | 85.57 | +1.28 | AFL ahead |
| 2024-12-30 | 89.93 | 85.37 | +1.27 | AFL ahead |
| 2024-12-27 | 90.29 | 85.91 | +1.26 | AFL ahead |
| 2024-12-26 | 90.53 | 86.60 | +1.22 | AFL ahead |
| 2024-12-24 | 90.17 | 86.00 | +1.26 | AFL ahead |
| 2024-12-23 | 89.73 | 85.56 | +1.27 | AFL ahead |
| 2024-12-20 | 89.69 | 85.45 | +1.29 | AFL ahead |
| 2024-12-19 | 88.43 | 83.11 | +1.42 | AFL ahead |
| 2024-12-18 | 87.66 | 82.81 | +1.39 | AFL ahead |
| 2024-12-17 | 89.74 | 85.72 | +1.30 | AFL ahead |
| 2024-12-16 | 90.66 | 86.97 | +1.28 | AFL ahead |
| 2024-12-13 | 91.28 | 87.23 | +1.32 | AFL ahead |
| 2024-12-12 | 91.16 | 87.65 | +1.28 | AFL ahead |
| 2024-12-11 | 91.01 | 88.26 | +1.21 | AFL ahead |
| 2024-12-10 | 91.02 | 89.25 | +1.12 | AFL ahead |
| 2024-12-09 | 91.70 | 91.23 | +1.00 | AFL ahead |
| 2024-12-06 | 93.72 | 93.30 | +1.00 | AFL ahead |
| 2024-12-05 | 94.10 | 92.58 | +1.11 | AFL ahead |
| 2024-12-04 | 93.44 | 93.79 | +0.94 | AFL ahead |
| 2024-12-03 | 93.24 | 93.74 | +0.93 | AFL ahead |
| 2024-12-02 | 97.29 | 94.43 | +1.26 | AFL ahead |
| 2024-11-29 | 99.56 | 96.27 | +1.30 | AFL ahead |
| 2024-11-27 | 99.65 | 96.48 | +1.30 | AFL ahead |
| 2024-11-26 | 99.58 | 95.94 | +1.35 | AFL ahead |
| 2024-11-25 | 98.86 | 96.22 | +1.27 | AFL ahead |
| 2024-11-22 | 98.16 | 94.77 | +1.35 | AFL ahead |
| 2024-11-21 | 97.58 | 93.63 | +1.42 | AFL ahead |
| 2024-11-20 | 96.28 | 93.02 | +1.37 | AFL ahead |
| 2024-11-19 | 97.06 | 93.06 | +1.45 | AFL ahead |
| 2024-11-18 | 97.85 | 95.15 | +1.33 | AFL ahead |
| 2024-11-15 | 97.22 | 95.69 | +1.23 | AFL ahead |
| 2024-11-14 | 95.79 | 95.47 | +1.12 | AFL ahead |
| 2024-11-13 | 96.45 | 95.78 | +1.16 | AFL ahead |
| 2024-11-12 | 96.64 | 96.30 | +1.13 | AFL ahead |
| 2024-11-11 | 96.45 | 96.41 | +1.10 | AFL ahead |
| 2024-11-08 | 94.56 | 94.46 | +1.12 | AFL ahead |
| 2024-11-07 | 93.83 | 95.07 | +0.99 | AFL ahead |
| 2024-11-06 | 94.81 | 95.22 | +1.08 | AFL ahead |
| 2024-11-05 | 92.19 | 91.26 | +1.22 | AFL ahead |
| 2024-11-04 | 91.28 | 90.16 | +1.25 | AFL ahead |
| 2024-11-01 | 91.45 | 90.85 | +1.20 | AFL ahead |
| 2024-10-31 | 91.52 | 91.09 | +1.19 | AFL ahead |
| 2024-10-30 | 96.15 | 93.37 | +1.43 | AFL ahead |
| 2024-10-29 | 96.07 | 93.04 | +1.47 | AFL ahead |
| 2024-10-28 | 95.89 | 93.40 | +1.43 | AFL ahead |
| 2024-10-25 | 95.85 | 92.54 | +1.52 | AFL ahead |
| 2024-10-24 | 97.83 | 99.10 | +1.06 | AFL ahead |
| 2024-10-23 | 97.94 | 99.03 | +1.09 | AFL ahead |
| 2024-10-22 | 97.96 | 99.40 | +1.06 | AFL ahead |
| 2024-10-21 | 98.47 | 99.10 | +1.14 | AFL ahead |
| 2024-10-18 | 100.00 | 100.00 | +1.21 | AFL ahead |
One-day company-specific moves (4+ standard deviations, which block ideas for 10 sessions): Apr 3, 2025 (AFL -0.5%, PFG -8.0%); Apr 10, 2025 (AFL -0.6%, PFG -6.9%). Upcoming earnings: PFG Oct 26, 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)
1 simulated trade to Oct 20, 2026: -7.03% per trade on average after costs, 0 won.
| Legs | Entered | Exited | Why | Days | Before costs | Costs + borrow | After costs |
|---|---|---|---|---|---|---|---|
| Long AFL · Short PFG | Sep 24, 2021 | Nov 23, 2021 | divergence stop | 60 | -$617.85 | -$75.56 | -$703.17 (-7.03%) |
Per $10,000 a leg. A replay on today's companies cannot prove an edge.
The companies
AFL and PFG 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
PFG Principal Financial Group Inc
- Listing
- Nasdaq · SEC CIK 1126328
- Industry
- Accident &Health Insurance · SIC 6321 Accident & Health Insurance
- Market value
- $22.9B
- 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 →Other rivals of AFL and PFG
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Explore the private betaPaper 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.
