FMST vs TSSI: Correlation
Measured on weekly returns over the past three years, Foremost Clean Energy Ltd. (FMST) and TSS, Inc. (TSSI) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FMST and TSSI?
Across a 3-year window, the weekly returns of FMST and TSSI correlate at 0.43, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.28 versus 0.43 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of 6862.4 %².
In FMST's tracked universe of 12 assets, TSSI sits right near the top at #3. Correlation aside, the last 12 months split them widely, with TSSI ahead by 16.5 points (-62.5% versus -46.0%).
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.
FMST vs TSSI: side by side
| FMST (Foremost Clean Energy Ltd.) | TSSI (TSS, Inc.) | |
|---|---|---|
| 1-year return | -62.5% | -46.0% |
| 5-year return | n/a | +1305.0% |
| Volatility (ann.) | 118.7% | 133.4% |
| Beta vs S&P 500 | 2.68 | 3.46 |
| Max drawdown (3Y) | -86.7% | -77.7% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | 16.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FMST | TSSI |
|---|---|---|
| 2022 | – | +24.4% |
| 2023 | – | -51.8% |
| 2024 | -44.8% | +4292.6% |
| 2025 | +53.6% | -40.4% |
| 2026 | -44.8% | +19.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FMST and TSSI good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between FMST and TSSI?
Using weekly returns as of 2026-08-27: 0.43 over 3 years, with 0.28 over the last year and n/a over 5 years.
Is TSSI a good diversifier for FMST?
Yes, to a useful degree: a correlation of 0.43 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.43 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/fmst-vs-tssi.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fmst-vs-tssi/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: FMST correlations · TSSI correlations
