FDMT vs SERV: Correlation
Measured on weekly returns over the past three years, 4D Molecular Therapeutics, Inc. (FDMT) and Serve Robotics Inc. (SERV) carry a correlation of -0.24, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are FDMT and SERV?
On 3 years of weekly data the FDMT/SERV correlation comes out at -0.24, negative, meaning they tend to move in opposite directions. The link has tightened recently: the 1-year correlation (-0.05) runs above the 3-year figure (-0.24). The 5-year figure is n/a, and annualized covariance runs at -3811.1 %².
Among the 15 assets we track against FDMT, SERV sits near the bottom by co-movement, at rank #13. The last year tells two different stories: FDMT led by 188.8 percentage points, +130.8% for FDMT against -58.0% for SERV. Note the risk asymmetry: SERV runs 2.1 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.
FDMT vs SERV: side by side
| FDMT (4D Molecular Therapeutics, Inc.) | SERV (Serve Robotics Inc.) | |
|---|---|---|
| 1-year return | +130.8% | -58.0% |
| 5-year return | -50.9% | n/a |
| Volatility (ann.) | 89.9% | 186.9% |
| Beta vs S&P 500 | 1.09 | 1.18 |
| Max drawdown (3Y) | -93.0% | -92.4% |
| Market cap | $0.8B | $0.4B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | FDMT | SERV |
|---|---|---|
| 2022 | +1.2% | – |
| 2023 | -8.8% | – |
| 2024 | -72.5% | – |
| 2025 | +34.6% | -23.1% |
| 2026 | +98.8% | -53.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are FDMT and SERV good diversifiers for each other?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
FAQ
What is the correlation between FDMT and SERV?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.05 over the last year and n/a over 5 years.
Is SERV a good diversifier for FDMT?
By historical standards, yes. A correlation of -0.24 means the two rarely move for the same reasons.
What does a correlation of -0.24 mean?
On the −1 to +1 scale, -0.24 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/fdmt-vs-serv.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/fdmt-vs-serv/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: FDMT correlations · SERV correlations