MOS vs SPRB: Correlation
Measured on weekly returns over the past three years, Mosaic Company (The) (MOS) and Spruce Biosciences, Inc. (SPRB) carry a correlation of -0.18, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MOS and SPRB?
Across a 3-year window, the weekly returns of MOS and SPRB correlate at -0.18, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.27) sits close to the 3-year figure. Stretching to 5 years gives -0.12, with an annualized covariance of -7131.8 %².
Among the 33 assets we track against MOS, SPRB sits near the bottom by co-movement, at rank #31. The last year tells two different stories: SPRB led by 772.9 percentage points, -26.6% for MOS against +746.3% for SPRB. Risk is not evenly split, since SPRB carries 29.7 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.
MOS vs SPRB: side by side
| MOS (Mosaic Company (The)) | SPRB (Spruce Biosciences, Inc.) | |
|---|---|---|
| 1-year return | -26.6% | +746.3% |
| 5-year return | -17.1% | -99.8% |
| Volatility (ann.) | 36.6% | 1086.4% |
| Beta vs S&P 500 | 0.78 | -7.82 |
| Max drawdown (3Y) | -45.7% | -100.0% |
| Market cap | $7.6B | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 3.64% | 0.00% |
| Sector / category | Materials | US Listed |
Year-by-year returns
| Year | MOS | SPRB |
|---|---|---|
| 2022 | +12.8% | -75.4% |
| 2023 | -16.4% | +167.1% |
| 2024 | -29.1% | -85.7% |
| 2025 | +1.1% | -96.3% |
| 2026 | +0.5% | -27.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MOS and SPRB good diversifiers for each other?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between MOS and SPRB?
As of 2026-08-27, the correlation of weekly returns between MOS and SPRB is -0.18 over 3 years, -0.27 over 1 year and -0.12 over 5 years.
Is SPRB a good diversifier for MOS?
Yes: at -0.18, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.18 mean?
A reading of -0.18 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mos-vs-sprb.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mos-vs-sprb/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MOS correlations · SPRB correlations
