SPY vs VOR: Correlation
Measured on weekly returns over the past three years, SPDR S&P 500 ETF Trust (SPY) and Vor Biopharma Inc. (VOR) carry a correlation of 0.24, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SPY and VOR?
Over the past 3 years, SPY and VOR moved with a correlation of 0.24, which is weak. The relationship has been stable: the 1-year correlation (0.23) sits close to the 3-year figure. Over 5 years the correlation is 0.18, and the annualized covariance of weekly returns is 805.5 %².
Within SPY's tracked universe of 4755 assets, VOR comes in at #2895 by 3-year correlation. The last year tells two different stories: SPY led by 61.8 percentage points, +20.6% for SPY against -41.2% for VOR. One caveat on sizing: VOR is 15.9 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.
SPY vs VOR: side by side
| SPY (SPDR S&P 500 ETF Trust) | VOR (Vor Biopharma Inc.) | |
|---|---|---|
| 1-year return | +20.6% | -41.2% |
| 5-year return | +82.4% | -92.3% |
| Volatility (ann.) | 14.5% | 230.0% |
| Beta vs S&P 500 | 1.00 | 3.86 |
| Max drawdown (3Y) | -18.8% | -94.7% |
| Market cap | – | $1.4B |
| P/E (trailing) | – | 0.1 |
| Dividend yield | 1.01% | 0.00% |
| Expense ratio | 0.09% | – |
| Assets under management | $795.3B | – |
| Sector / category | ETF · US Large Cap | US Listed |
SPY, State Street Investment Management's Large Blend fund, carries $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | SPY | VOR |
|---|---|---|
| 2022 | -18.2% | -42.8% |
| 2023 | +26.2% | -66.2% |
| 2024 | +24.9% | -50.7% |
| 2025 | +17.7% | -41.1% |
| 2026 | +13.7% | +79.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are SPY and VOR good diversifiers for each other?
Reasonably. At 0.24, SPY and VOR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between SPY and VOR?
Using weekly returns as of 2026-08-27: 0.24 over 3 years, with 0.23 over the last year and 0.18 over 5 years.
Is VOR a good diversifier for SPY?
Reasonably. At 0.24, SPY and VOR keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
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/spy-vs-vor.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/spy-vs-vor/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: SPY correlations · VOR correlations
