FULC vs PRLD: Correlation
Measured on weekly returns over the past three years, Fulcrum Therapeutics, Inc. (FULC) and Prelude Therapeutics Incorporated (PRLD) carry a correlation of 0.37, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FULC and PRLD?
Over the past 3 years, FULC and PRLD moved with a correlation of 0.37, which is moderate. The relationship has been stable: the 1-year correlation (0.30) sits close to the 3-year figure. Over 5 years the correlation is 0.33, and the annualized covariance of weekly returns is 3806.3 %².
Among the 11 assets we track against FULC, PRLD ranks #6 by 3-year correlation. Correlation aside, the last 12 months split them widely, with PRLD ahead by 437.2 points (-41.9% versus +395.3%).
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.
FULC vs PRLD: side by side
| FULC (Fulcrum Therapeutics, Inc.) | PRLD (Prelude Therapeutics Incorporated) | |
|---|---|---|
| 1-year return | -41.9% | +395.3% |
| 5-year return | -86.0% | -82.8% |
| Volatility (ann.) | 92.9% | 109.9% |
| Beta vs S&P 500 | 1.49 | 1.35 |
| Max drawdown (3Y) | -79.1% | -90.4% |
| Market cap | $0.3B | $0.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FULC | PRLD |
|---|---|---|
| 2022 | -58.8% | -51.5% |
| 2023 | -7.3% | -29.3% |
| 2024 | -30.4% | -70.1% |
| 2025 | +140.6% | +127.5% |
| 2026 | -66.0% | +118.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FULC and PRLD good diversifiers for each other?
Reasonably. At 0.37, FULC and PRLD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between FULC and PRLD?
As of 2026-08-27, the correlation of weekly returns between FULC and PRLD is 0.37 over 3 years, 0.30 over 1 year and 0.33 over 5 years.
Is PRLD a good diversifier for FULC?
Reasonably. At 0.37, FULC and PRLD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.37 mean?
On the −1 to +1 scale, 0.37 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/fulc-vs-prld.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/fulc-vs-prld/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: FULC correlations · PRLD correlations
