CISS vs MNST: Correlation
C3is Inc. (CISS) and Monster Beverage (MNST) show a negative relationship: their 3-year correlation of weekly returns is -0.51.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CISS and MNST?
On 3 years of weekly data the CISS/MNST correlation comes out at -0.51, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.54) sits close to the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at -73557.1 %².
Among the 42 assets we track against CISS, MNST sits near the bottom by co-movement, at rank #42. Correlation aside, the last 12 months split them widely, with MNST ahead by 75.2 points (-99.5% versus -24.3%). Note the risk asymmetry: CISS runs 30.6 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.
CISS vs MNST: side by side
| CISS (C3is Inc.) | MNST (Monster Beverage) | |
|---|---|---|
| 1-year return | -99.5% | -24.3% |
| 5-year return | n/a | -4.5% |
| Volatility (ann.) | 2098.5% | 68.6% |
| Beta vs S&P 500 | 2.24 | 0.80 |
| Max drawdown (3Y) | -100.0% | -54.5% |
| Market cap | – | $91.5B |
| P/E (trailing) | – | 43.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Consumer Staples |
Year-by-year returns
| Year | CISS | MNST |
|---|---|---|
| 2022 | – | +5.7% |
| 2023 | – | +13.5% |
| 2024 | -98.9% | -8.8% |
| 2025 | -97.3% | +45.9% |
| 2026 | -93.4% | -39.1% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CISS and MNST good diversifiers for each other?
Yes. With a correlation of -0.51, CISS and MNST have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CISS and MNST?
Using weekly returns as of 2026-08-27: -0.51 over 3 years, with -0.54 over the last year and n/a over 5 years.
Is MNST a good diversifier for CISS?
Yes. With a correlation of -0.51, CISS and MNST have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.51 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/ciss-vs-mnst.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ciss-vs-mnst/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CISS correlations · MNST correlations
