GSIT vs ISRG: Correlation
Measured on weekly returns over the past three years, GSI Technology, Inc. (GSIT) and Intuitive Surgical (ISRG) carry a correlation of 0.43, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GSIT and ISRG?
Across a 3-year window, the weekly returns of GSIT and ISRG correlate at 0.43, moderate. The link has tightened recently: the 1-year correlation (0.62) runs above the 3-year figure (0.43). Stretching to 5 years gives 0.24, with an annualized covariance of 1460.6 %².
Among the 11 assets we track against GSIT, ISRG ranks #4 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months GSIT outperformed by 119.4 percentage points (+97.3% for GSIT against -22.1% for ISRG). Note the risk asymmetry: GSIT runs 3.5 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.
GSIT vs ISRG: side by side
| GSIT (GSI Technology, Inc.) | ISRG (Intuitive Surgical) | |
|---|---|---|
| 1-year return | +97.3% | -22.1% |
| 5-year return | +5.1% | +4.0% |
| Volatility (ann.) | 109.2% | 31.1% |
| Beta vs S&P 500 | 3.12 | 1.20 |
| Max drawdown (3Y) | -66.7% | -45.6% |
| Market cap | $0.2B | $131.5B |
| P/E (trailing) | – | 42.5 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | GSIT | ISRG |
|---|---|---|
| 2022 | -62.6% | -26.1% |
| 2023 | +52.6% | +27.1% |
| 2024 | +14.8% | +54.7% |
| 2025 | +105.0% | +8.5% |
| 2026 | -4.3% | -35.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GSIT and ISRG good diversifiers for each other?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between GSIT and ISRG?
The GSIT/ISRG correlation stands at 0.43 on a 3-year window (1 year: 0.62, 5 years: 0.24), computed from weekly returns as of 2026-08-27.
Is ISRG a good diversifier for GSIT?
A fair diversifier. At 0.43, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.43 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gsit-vs-isrg.json
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[](https://www.pairbook.io/pair/gsit-vs-isrg/)
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Related comparisons
Hubs: GSIT correlations · ISRG correlations
