PDS vs SPY: Correlation
Precision Drilling Corporation (PDS) and SPDR S&P 500 ETF Trust (SPY) show a weak relationship: their 3-year correlation of weekly returns is 0.19.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PDS and SPY?
Across a 3-year window, the weekly returns of PDS and SPY correlate at 0.19, weak. The link has loosened recently: the 1-year correlation (-0.20) runs below the 3-year figure (0.19). Stretching to 5 years gives 0.24, with an annualized covariance of 102.3 %².
Out of 13 assets tracked against PDS, SPY lands near the bottom at #9. Their recent paths diverged sharply: over the last 12 months PDS outperformed by 37.7 percentage points (+58.3% for PDS against +20.6% for SPY). Risk is not evenly split, since PDS carries 2.6 times the volatility of the other side.
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.
PDS vs SPY: side by side
| PDS (Precision Drilling Corporation) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +58.3% | +20.6% |
| 5-year return | +182.9% | +82.4% |
| Volatility (ann.) | 37.7% | 14.5% |
| Beta vs S&P 500 | 0.49 | 1.00 |
| Max drawdown (3Y) | -50.5% | -18.8% |
| Market cap | $1.2B | – |
| 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 | PDS | SPY |
|---|---|---|
| 2022 | +116.5% | -18.2% |
| 2023 | -29.2% | +26.2% |
| 2024 | +12.5% | +24.9% |
| 2025 | +17.7% | +17.7% |
| 2026 | +25.7% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PDS and SPY good diversifiers for each other?
Yes. With a correlation of 0.19, PDS and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between PDS and SPY?
As of 2026-08-27, the correlation of weekly returns between PDS and SPY is 0.19 over 3 years, -0.20 over 1 year and 0.24 over 5 years.
Is SPY a good diversifier for PDS?
Yes. With a correlation of 0.19, PDS and SPY have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of 0.19 mean?
On the −1 to +1 scale, 0.19 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: PDS correlations · SPY correlations
