PKE vs SPFI: Correlation
Park Aerospace Corp. (PKE) and South Plains Financial, Inc. (SPFI) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PKE and SPFI?
On 3 years of weekly data the PKE/SPFI correlation comes out at 0.49, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.29 versus 0.49 over 3 years. The 5-year figure is 0.44, and annualized covariance runs at 483.5 %².
In PKE's tracked universe of 13 assets, SPFI sits right near the top at #1. Correlation aside, the last 12 months split them widely, with PKE ahead by 68.4 points (+76.1% versus +7.7%).
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.
PKE vs SPFI: side by side
| PKE (Park Aerospace Corp.) | SPFI (South Plains Financial, Inc.) | |
|---|---|---|
| 1-year return | +76.1% | +7.7% |
| 5-year return | +176.6% | +108.3% |
| Volatility (ann.) | 36.0% | 27.6% |
| Beta vs S&P 500 | 0.80 | 0.61 |
| Max drawdown (3Y) | -26.6% | -23.8% |
| Market cap | $0.7B | $0.8B |
| P/E (trailing) | 51.8 | 11.9 |
| Dividend yield | 1.52% | 1.52% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | PKE | SPFI |
|---|---|---|
| 2022 | +4.9% | +0.7% |
| 2023 | +21.5% | +7.4% |
| 2024 | +3.2% | +22.2% |
| 2025 | +50.5% | +13.6% |
| 2026 | +54.9% | +13.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PKE and SPFI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between PKE and SPFI?
Using weekly returns as of 2026-08-27: 0.49 over 3 years, with 0.29 over the last year and 0.44 over 5 years.
Is SPFI a good diversifier for PKE?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.49 mean?
On the −1 to +1 scale, 0.49 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/pke-vs-spfi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/pke-vs-spfi/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: PKE correlations · SPFI correlations
