BXP vs COYA: Correlation
BXP, Inc. (BXP) and Coya Therapeutics, Inc. (COYA) show a moderate relationship: their 3-year correlation of weekly returns is 0.41.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BXP and COYA?
Over the past 3 years, BXP and COYA moved with a correlation of 0.41, which is moderate. Lately the two have drifted apart, with the 1-year correlation at 0.17 versus 0.41 over 3 years. Over 5 years the correlation is 0.34, and the annualized covariance of weekly returns is 901.1 %².
Within BXP's tracked universe of 45 assets, COYA comes in at #31 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BXP outperformed by 28.8 percentage points (+2.9% for BXP against -25.9% for COYA). One caveat on sizing: COYA is 2.0 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.
BXP vs COYA: side by side
| BXP (BXP, Inc.) | COYA (Coya Therapeutics, Inc.) | |
|---|---|---|
| 1-year return | +2.9% | -25.9% |
| 5-year return | -18.9% | n/a |
| Volatility (ann.) | 33.1% | 66.2% |
| Beta vs S&P 500 | 1.02 | 1.33 |
| Max drawdown (3Y) | -39.0% | -62.9% |
| Market cap | $12.7B | $0.1B |
| P/E (trailing) | 37.8 | – |
| Dividend yield | 3.98% | 0.00% |
| Sector / category | Real Estate | US Listed |
Year-by-year returns
| Year | BXP | COYA |
|---|---|---|
| 2022 | -38.6% | – |
| 2023 | +11.0% | +56.4% |
| 2024 | +12.3% | -22.7% |
| 2025 | -4.7% | +1.2% |
| 2026 | +6.2% | -16.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BXP and COYA good diversifiers for each other?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BXP and COYA?
As of 2026-08-27, the correlation of weekly returns between BXP and COYA is 0.41 over 3 years, 0.17 over 1 year and 0.34 over 5 years.
Is COYA a good diversifier for BXP?
A fair diversifier. At 0.41, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.41 mean?
A reading of 0.41 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/bxp-vs-coya.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bxp-vs-coya/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BXP correlations · COYA correlations
