KNSA vs REPL: Correlation
Measured on weekly returns over the past three years, Kiniksa Pharmaceuticals International, plc - Class A (KNSA) and Replimune Group, Inc. (REPL) carry a correlation of 0.35, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KNSA and REPL?
On 3 years of weekly data the KNSA/REPL correlation comes out at 0.35, moderate. The past 12 months show a weaker link (0.12) than the 3-year average (0.35). The 5-year figure is 0.29, and annualized covariance runs at 2480.9 %².
By 3-year correlation, REPL places #6 of the 12 assets tracked against KNSA. The last year tells two different stories: REPL led by 45.3 percentage points, +136.8% for KNSA against +182.1% for REPL. One caveat on sizing: REPL is 3.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
KNSA vs REPL: side by side
| KNSA (Kiniksa Pharmaceuticals International, plc - Class A) | REPL (Replimune Group, Inc.) | |
|---|---|---|
| 1-year return | +136.8% | +182.1% |
| 5-year return | +550.9% | -50.4% |
| Volatility (ann.) | 46.0% | 153.7% |
| Beta vs S&P 500 | 0.55 | 0.48 |
| Max drawdown (3Y) | -34.1% | -92.0% |
| Market cap | $6.2B | $1.5B |
| P/E (trailing) | 79.8 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KNSA | REPL |
|---|---|---|
| 2022 | +27.3% | +0.4% |
| 2023 | +17.1% | -69.0% |
| 2024 | +12.8% | +43.7% |
| 2025 | +108.5% | -19.7% |
| 2026 | +93.5% | +60.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KNSA and REPL good diversifiers for each other?
Reasonably. At 0.35, KNSA and REPL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between KNSA and REPL?
The KNSA/REPL correlation stands at 0.35 on a 3-year window (1 year: 0.12, 5 years: 0.29), computed from weekly returns as of 2026-08-27.
Is REPL a good diversifier for KNSA?
Reasonably. At 0.35, KNSA and REPL keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.35 mean?
A reading of 0.35 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/knsa-vs-repl.json
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[](https://www.pairbook.io/pair/knsa-vs-repl/)
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Hubs: KNSA correlations · REPL correlations