INTT vs SPY: Correlation
inTest Corporation (INTT) and SPDR S&P 500 ETF Trust (SPY) show a moderate relationship: their 3-year correlation of weekly returns is 0.33.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INTT and SPY?
On 3 years of weekly data the INTT/SPY correlation comes out at 0.33, moderate. The link has loosened recently: the 1-year correlation (0.19) runs below the 3-year figure (0.33). The 5-year figure is 0.41, and annualized covariance runs at 247.7 %².
Out of 12 assets tracked against INTT, SPY lands near the bottom at #9. Their recent paths diverged sharply: over the last 12 months INTT outperformed by 41.8 percentage points (+62.4% for INTT against +20.6% for SPY). One caveat on sizing: INTT is 3.6 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.
INTT vs SPY: side by side
| INTT (inTest Corporation) | SPY (SPDR S&P 500 ETF Trust) | |
|---|---|---|
| 1-year return | +62.4% | +20.6% |
| 5-year return | -9.0% | +82.4% |
| Volatility (ann.) | 51.5% | 14.5% |
| Beta vs S&P 500 | 1.19 | 1.00 |
| Max drawdown (3Y) | -67.7% | -18.8% |
| Market cap | $0.1B | – |
| P/E (trailing) | 165.4 | – |
| 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 | INTT | SPY |
|---|---|---|
| 2022 | -19.0% | -18.2% |
| 2023 | +32.0% | +26.2% |
| 2024 | -36.8% | +24.9% |
| 2025 | -13.0% | +17.7% |
| 2026 | +55.0% | +13.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INTT and SPY good diversifiers for each other?
Reasonably. At 0.33, INTT and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between INTT and SPY?
As of 2026-08-27, the correlation of weekly returns between INTT and SPY is 0.33 over 3 years, 0.19 over 1 year and 0.41 over 5 years.
Is SPY a good diversifier for INTT?
Reasonably. At 0.33, INTT and SPY keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.33 mean?
A reading of 0.33 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: INTT correlations · SPY correlations
