BORR vs SPY: Correlation
Measured on weekly returns over the past three years, Borr Drilling Limited (BORR) and SPDR S&P 500 ETF Trust (SPY) carry a correlation of 0.26, a weak link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BORR and SPY?
Across a 3-year window, the weekly returns of BORR and SPY correlate at 0.26, weak. Lately the two have drifted apart, with the 1-year correlation at 0.01 versus 0.26 over 3 years. Stretching to 5 years gives 0.20, with an annualized covariance of 219.2 %².
SPY is close to the least connected end of BORR's tracked universe, ranking #8 of 12. Correlation aside, the last 12 months split them widely, with BORR ahead by 34.3 points (+54.9% versus +20.6%). Note the risk asymmetry: BORR runs 4.0 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.
BORR vs SPY: side by side
| BORR (Borr Drilling Limited) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +54.9% | +20.6% |
| 5-year return | +246.5% | +82.4% |
| Volatility (ann.) | 58.6% | 14.5% |
| Beta vs S&P 500 | 1.05 | 1.00 |
| Max drawdown (3Y) | -77.1% | -18.8% |
| Market cap | $1.4B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 1.01% |
| Expense ratio | – | 0.09% |
| Assets under management | – | $795.3B |
| Sector / category | US Listed | ETF · US Large Cap |
SPY is a Large Blend fund from State Street Investment Management: $795.3B under management, 504 holdings, a 0.09% expense ratio, a 1.01% trailing dividend yield.
Year-by-year returns
| Year | BORR | SPY |
|---|---|---|
| 2022 | +141.3% | -18.2% |
| 2023 | +48.1% | +26.2% |
| 2024 | -43.3% | +24.9% |
| 2025 | +4.2% | +17.7% |
| 2026 | +12.7% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BORR and SPY good diversifiers for each other?
A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between BORR and SPY?
The BORR/SPY correlation stands at 0.26 on a 3-year window (1 year: 0.01, 5 years: 0.20), computed from weekly returns as of 2026-08-27.
Is SPY a good diversifier for BORR?
A fair diversifier. At 0.26, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.26 mean?
On the −1 to +1 scale, 0.26 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.
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Related comparisons
Hubs: BORR correlations · SPY correlations
