AEP vs PSIG: Correlation
American Electric Power (AEP) and PS International Group Ltd. (PSIG) show a negative relationship: their 3-year correlation of weekly returns is -0.29.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are AEP and PSIG?
Across a 3-year window, the weekly returns of AEP and PSIG correlate at -0.29, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.31 lands near the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of -852.9 %².
PSIG is close to the least connected end of AEP's tracked universe, ranking #34 of 36. The last year tells two different stories: AEP led by 66.0 percentage points, +12.1% for AEP against -53.9% for PSIG. Note the risk asymmetry: PSIG runs 8.3 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
AEP vs PSIG: side by side
| AEP (American Electric Power) | PSIG (PS International Group Ltd.) | |
|---|---|---|
| 1-year return | +12.1% | -53.9% |
| 5-year return | +63.9% | n/a |
| Volatility (ann.) | 18.9% | 157.0% |
| Beta vs S&P 500 | -0.01 | 0.97 |
| Max drawdown (3Y) | -13.1% | -96.0% |
| Market cap | $66.8B | – |
| P/E (trailing) | 21.4 | – |
| Dividend yield | 3.06% | 0.00% |
| Sector / category | Utilities | US Listed |
Year-by-year returns
| Year | AEP | PSIG |
|---|---|---|
| 2022 | +10.4% | – |
| 2023 | -11.0% | – |
| 2024 | +18.2% | – |
| 2025 | +29.4% | +8.3% |
| 2026 | +8.9% | -62.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are AEP and PSIG good diversifiers for each other?
Yes. With a correlation of -0.29, AEP and PSIG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between AEP and PSIG?
The AEP/PSIG correlation stands at -0.29 on a 3-year window (1 year: -0.31, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is PSIG a good diversifier for AEP?
Yes. With a correlation of -0.29, AEP and PSIG have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.29 mean?
A reading of -0.29 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/aep-vs-psig.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/aep-vs-psig/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: AEP correlations · PSIG correlations
