MRNA vs SII: Correlation
Measured on weekly returns over the past three years, Moderna (MRNA) and Sprott Inc. (SII) carry a correlation of 0.40, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MRNA and SII?
Across a 3-year window, the weekly returns of MRNA and SII correlate at 0.40, moderate. Little has changed lately, as the 1-year reading of 0.46 lands near the 3-year figure. Stretching to 5 years gives 0.31, with an annualized covariance of 1497.2 %².
Among the 38 assets we track against MRNA, SII ranks #15 by 3-year correlation. Correlation aside, the last 12 months split them widely, with MRNA ahead by 356.5 points (+468.8% versus +112.3%). One caveat on sizing: MRNA is 2.7 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.
MRNA vs SII: side by side
| MRNA (Moderna) | SII (Sprott Inc.) | |
|---|---|---|
| 1-year return | +468.8% | +112.3% |
| 5-year return | -61.5% | +354.0% |
| Volatility (ann.) | 100.7% | 37.3% |
| Beta vs S&P 500 | 0.98 | 0.92 |
| Max drawdown (3Y) | -86.6% | -38.0% |
| Market cap | $57.0B | $3.5B |
| P/E (trailing) | – | 33.6 |
| Dividend yield | 0.00% | 1.17% |
| Sector / category | Health Care | US Listed |
Year-by-year returns
| Year | MRNA | SII |
|---|---|---|
| 2022 | -29.3% | -24.1% |
| 2023 | -44.6% | +5.0% |
| 2024 | -58.2% | +27.4% |
| 2025 | -29.1% | +135.0% |
| 2026 | +384.1% | +40.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MRNA and SII good diversifiers for each other?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MRNA and SII?
As of 2026-08-27, the correlation of weekly returns between MRNA and SII is 0.40 over 3 years, 0.46 over 1 year and 0.31 over 5 years.
Is SII a good diversifier for MRNA?
A fair diversifier. At 0.40, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.40 mean?
On the −1 to +1 scale, 0.40 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-sii.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mrna-vs-sii/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MRNA correlations · SII correlations
