GIGM vs VIR: Correlation
Measured on weekly returns over the past three years, GigaMedia Limited (GIGM) and Vir Biotechnology, Inc. (VIR) carry a correlation of 0.34, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GIGM and VIR?
Across a 3-year window, the weekly returns of GIGM and VIR correlate at 0.34, moderate. Recent behaviour matches the longer record: 0.27 over 1 year against 0.34 over 3. Stretching to 5 years gives 0.14, with an annualized covariance of 580.1 %².
VIR is one of the assets that tracks GIGM most closely: it ranks #3 out of the 10 assets we track against GIGM. Their recent paths diverged sharply: over the last 12 months VIR outperformed by 124.5 percentage points (-8.2% for GIGM against +116.3% for VIR). One caveat on sizing: VIR is 2.6 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.
GIGM vs VIR: side by side
| GIGM (GigaMedia Limited) | VIR (Vir Biotechnology, Inc.) | |
|---|---|---|
| 1-year return | -8.2% | +116.3% |
| 5-year return | -44.2% | -77.3% |
| Volatility (ann.) | 25.6% | 67.1% |
| Beta vs S&P 500 | 0.27 | 0.85 |
| Max drawdown (3Y) | -29.6% | -67.4% |
| Market cap | – | $1.9B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GIGM | VIR |
|---|---|---|
| 2022 | -46.2% | -39.6% |
| 2023 | +14.9% | -60.3% |
| 2024 | +11.5% | -27.0% |
| 2025 | -1.9% | -17.8% |
| 2026 | -4.6% | +87.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GIGM and VIR good diversifiers for each other?
A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between GIGM and VIR?
As of 2026-08-27, the correlation of weekly returns between GIGM and VIR is 0.34 over 3 years, 0.27 over 1 year and 0.14 over 5 years.
Is VIR a good diversifier for GIGM?
A fair diversifier. At 0.34, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.34 mean?
On the −1 to +1 scale, 0.34 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/gigm-vs-vir.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/gigm-vs-vir/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: GIGM correlations · VIR correlations
