FSTR vs TWIN: Correlation
Measured on weekly returns over the past three years, L.B. Foster Company (FSTR) and Twin Disc, Incorporated (TWIN) carry a correlation of 0.44, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FSTR and TWIN?
On 3 years of weekly data the FSTR/TWIN correlation comes out at 0.44, moderate. The past 12 months show a tighter link (0.60) than the 3-year average (0.44). The 5-year figure is 0.30, and annualized covariance runs at 1022.1 %².
By 3-year correlation, TWIN places #6 of the 16 assets tracked against FSTR. Correlation aside, the last 12 months split them widely, with TWIN ahead by 43.4 points (+42.8% versus +86.2%).
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.
FSTR vs TWIN: side by side
| FSTR (L.B. Foster Company) | TWIN (Twin Disc, Incorporated) | |
|---|---|---|
| 1-year return | +42.8% | +86.2% |
| 5-year return | +119.1% | +98.7% |
| Volatility (ann.) | 46.4% | 50.6% |
| Beta vs S&P 500 | 1.23 | 0.83 |
| Max drawdown (3Y) | -45.9% | -64.4% |
| Market cap | $0.4B | $0.3B |
| P/E (trailing) | 35.4 | 12.6 |
| Dividend yield | 0.00% | 0.68% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FSTR | TWIN |
|---|---|---|
| 2022 | -29.6% | -11.3% |
| 2023 | +127.2% | +66.7% |
| 2024 | +22.3% | -26.4% |
| 2025 | +0.2% | +44.4% |
| 2026 | +40.4% | +41.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FSTR and TWIN good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FSTR and TWIN?
Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.60 over the last year and 0.30 over 5 years.
Is TWIN a good diversifier for FSTR?
Yes, to a useful degree: a correlation of 0.44 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.44 mean?
A reading of 0.44 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/fstr-vs-twin.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/fstr-vs-twin/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FSTR correlations · TWIN correlations
