PODD vs SPGI: Correlation
How closely do Insulet Corporation (PODD) and S&P Global (SPGI) trade together? Their weekly returns over three years give a correlation of 0.40, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are PODD and SPGI?
Over the past 3 years, PODD and SPGI moved with a correlation of 0.40, which is moderate. Little has changed lately, as the 1-year reading of 0.41 lands near the 3-year figure. Over 5 years the correlation is 0.42, and the annualized covariance of weekly returns is 386.3 %².
Within PODD's tracked universe of 31 assets, SPGI comes in at #15 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months SPGI outperformed by 41.5 percentage points (-57.1% for PODD against -15.6% for SPGI). On a rolling one-year basis the correlation drifted between 0.19 and 0.49, a moderate band. Note the risk asymmetry: PODD runs 1.6 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.
PODD vs SPGI: side by side
| PODD (Insulet Corporation) | SPGI (S&P Global) | |
|---|---|---|
| 1-year return | -57.1% | -15.6% |
| 5-year return | -51.6% | +8.1% |
| Volatility (ann.) | 38.9% | 24.7% |
| Beta vs S&P 500 | 0.67 | 0.86 |
| Max drawdown (3Y) | -62.2% | -30.5% |
| Market cap | $9.9B | $128.4B |
| P/E (trailing) | 26.9 | 26.6 |
| Dividend yield | 0.00% | 0.88% |
| Sector / category | Health Care | Financials |
Year-by-year returns
| Year | PODD | SPGI |
|---|---|---|
| 2022 | +10.6% | -28.4% |
| 2023 | -26.3% | +32.8% |
| 2024 | +20.3% | +13.9% |
| 2025 | +8.9% | +5.7% |
| 2026 | -49.5% | -11.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are PODD and SPGI good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between PODD and SPGI?
Using weekly returns as of 2026-08-27: 0.40 over 3 years, with 0.41 over the last year and 0.42 over 5 years.
Is SPGI a good diversifier for PODD?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 mean?
A reading of 0.40 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/podd-vs-spgi.json
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Related comparisons
Hubs: PODD correlations · SPGI correlations
