GSIT vs VICR: Correlation
How closely do GSI Technology, Inc. (GSIT) and Vicor Corporation (VICR) trade together? Their weekly returns over three years give a correlation of 0.46, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GSIT and VICR?
On 3 years of weekly data the GSIT/VICR correlation comes out at 0.46, moderate. The past 12 months show a tighter link (0.73) than the 3-year average (0.46). The 5-year figure is 0.25, and annualized covariance runs at 3604.4 %².
Few assets follow GSIT as closely as VICR, which ranks #2 of 11 tracked partners. The last year tells two different stories: VICR led by 199.5 percentage points, +97.3% for GSIT against +296.8% for VICR. Note the risk asymmetry: GSIT runs 1.5 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 VICR: side by side
| GSIT (GSI Technology, Inc.) | VICR (Vicor Corporation) | |
|---|---|---|
| 1-year return | +97.3% | +296.8% |
| 5-year return | +5.1% | +65.8% |
| Volatility (ann.) | 109.2% | 71.1% |
| Beta vs S&P 500 | 3.12 | 2.00 |
| Max drawdown (3Y) | -66.7% | -53.9% |
| Market cap | $0.2B | $9.4B |
| P/E (trailing) | – | 65.3 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GSIT | VICR |
|---|---|---|
| 2022 | -62.6% | -57.7% |
| 2023 | +52.6% | -16.4% |
| 2024 | +14.8% | +7.5% |
| 2025 | +105.0% | +126.8% |
| 2026 | -4.3% | +85.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GSIT and VICR good diversifiers for each other?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between GSIT and VICR?
The GSIT/VICR correlation stands at 0.46 on a 3-year window (1 year: 0.73, 5 years: 0.25), computed from weekly returns as of 2026-08-27.
Is VICR a good diversifier for GSIT?
A fair diversifier. At 0.46, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.46 mean?
On the −1 to +1 scale, 0.46 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.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/gsit-vs-vicr.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/gsit-vs-vicr/)
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Related comparisons
Hubs: GSIT correlations · VICR correlations
