MRNA vs PSIG: Correlation
Measured on weekly returns over the past three years, Moderna (MRNA) and PS International Group Ltd. (PSIG) carry a correlation of 0.59, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MRNA and PSIG?
Across a 3-year window, the weekly returns of MRNA and PSIG correlate at 0.59, moderate. Little has changed lately, as the 1-year reading of 0.69 lands near the 3-year figure. Stretching to 5 years gives n/a, with an annualized covariance of 10563.1 %².
In MRNA's tracked universe of 38 assets, PSIG sits right near the top at #2. Their recent paths diverged sharply: over the last 12 months MRNA outperformed by 522.7 percentage points (+468.8% for MRNA against -53.9% for PSIG). Risk is not evenly split, since PSIG carries 1.6 times the volatility of the other side.
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.
MRNA vs PSIG: side by side
| MRNA (Moderna) | PSIG (PS International Group Ltd.) | |
|---|---|---|
| 1-year return | +468.8% | -53.9% |
| 5-year return | -61.5% | n/a |
| Volatility (ann.) | 100.7% | 157.0% |
| Beta vs S&P 500 | 0.98 | 0.97 |
| Max drawdown (3Y) | -86.6% | -96.0% |
| Market cap | $57.0B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | MRNA | PSIG |
|---|---|---|
| 2022 | -29.3% | – |
| 2023 | -44.6% | – |
| 2024 | -58.2% | – |
| 2025 | -29.1% | +8.3% |
| 2026 | +384.1% | -62.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MRNA and PSIG good diversifiers for each other?
Only partially. A correlation of 0.59 means MRNA and PSIG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between MRNA and PSIG?
The MRNA/PSIG correlation stands at 0.59 on a 3-year window (1 year: 0.69, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is PSIG a good diversifier for MRNA?
Only partially. A correlation of 0.59 means MRNA and PSIG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.59 mean?
On the −1 to +1 scale, 0.59 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/mrna-vs-psig.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mrna-vs-psig/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MRNA correlations · PSIG correlations
