OPTT vs SLXN: Correlation
Measured on weekly returns over the past three years, Ocean Power Technologies, Inc. (OPTT) and Silexion Therapeutics Corp (SLXN) carry a correlation of 0.65, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are OPTT and SLXN?
Across a 3-year window, the weekly returns of OPTT and SLXN correlate at 0.65, strong. The link has loosened recently: the 1-year correlation (0.02) runs below the 3-year figure (0.65). Stretching to 5 years gives 0.61, with an annualized covariance of 57483.6 %².
Few assets follow OPTT as closely as SLXN, which ranks #3 of 10 tracked partners. Their recent paths diverged sharply: over the last 12 months OPTT outperformed by 32.6 percentage points (-66.9% for OPTT against -99.5% for SLXN). Note the risk asymmetry: SLXN runs 2.8 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.
OPTT vs SLXN: side by side
| OPTT (Ocean Power Technologies, Inc.) | SLXN (Silexion Therapeutics Corp) | |
|---|---|---|
| 1-year return | -66.9% | -99.5% |
| 5-year return | -91.7% | -100.0% |
| Volatility (ann.) | 176.9% | 498.2% |
| Beta vs S&P 500 | 2.48 | 1.29 |
| Max drawdown (3Y) | -91.3% | -100.0% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | OPTT | SLXN |
|---|---|---|
| 2022 | -69.6% | +4.0% |
| 2023 | -28.9% | +7.7% |
| 2024 | +218.8% | -81.5% |
| 2025 | -70.6% | -93.6% |
| 2026 | -40.4% | -98.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are OPTT and SLXN good diversifiers for each other?
To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between OPTT and SLXN?
The OPTT/SLXN correlation stands at 0.65 on a 3-year window (1 year: 0.02, 5 years: 0.61), computed from weekly returns as of 2026-08-27.
Is SLXN a good diversifier for OPTT?
To a limited degree. At 0.65 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.65 mean?
On the −1 to +1 scale, 0.65 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/optt-vs-slxn.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/optt-vs-slxn/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: OPTT correlations · SLXN correlations
