BBOT vs EXR: Correlation
BridgeBio Oncology Therapeutics, Inc. (BBOT) and Extra Space Storage (EXR) show a negative relationship: their 3-year correlation of weekly returns is -0.15.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BBOT and EXR?
On 3 years of weekly data the BBOT/EXR correlation comes out at -0.15, negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.20 over 1 year against -0.15 over 3. The 5-year figure is n/a, and annualized covariance runs at -128.7 %².
Among the 27 assets we track against BBOT, EXR ranks #9 by 3-year correlation. The trailing year gives EXR the advantage: -1.3% versus +5.6%, a 6.9-point spread.
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.
BBOT vs EXR: side by side
| BBOT (BridgeBio Oncology Therapeutics, Inc.) | EXR (Extra Space Storage) | |
|---|---|---|
| 1-year return | -1.3% | +5.6% |
| 5-year return | n/a | -6.1% |
| Volatility (ann.) | 34.5% | 26.0% |
| Beta vs S&P 500 | 0.30 | 0.68 |
| Max drawdown (3Y) | -48.1% | -29.4% |
| Market cap | $0.7B | $31.5B |
| P/E (trailing) | – | 31.6 |
| Dividend yield | 0.00% | 4.50% |
| Sector / category | US Listed | Real Estate |
Year-by-year returns
| Year | BBOT | EXR |
|---|---|---|
| 2022 | – | -32.8% |
| 2023 | – | +13.9% |
| 2024 | – | -2.8% |
| 2025 | +19.2% | -8.9% |
| 2026 | -26.7% | +12.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BBOT and EXR good diversifiers for each other?
Yes. With a correlation of -0.15, BBOT and EXR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between BBOT and EXR?
As of 2026-08-27, the correlation of weekly returns between BBOT and EXR is -0.15 over 3 years, -0.20 over 1 year and n/a over 5 years.
Is EXR a good diversifier for BBOT?
Yes. With a correlation of -0.15, BBOT and EXR have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.15 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bbot-vs-exr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/bbot-vs-exr/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BBOT correlations · EXR correlations
