CISS vs XTNT: Correlation
C3is Inc. (CISS) and Xtant Medical Holdings, Inc. (XTNT) show a negative relationship: their 3-year correlation of weekly returns is -0.26.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CISS and XTNT?
Over the past 3 years, CISS and XTNT moved with a correlation of -0.26, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.52) than the 3-year average (-0.26). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -34376.5 %².
By 3-year correlation, XTNT places #28 of the 42 assets tracked against CISS. Correlation aside, the last 12 months split them widely, with XTNT ahead by 53.6 points (-99.5% versus -45.9%). Risk is not evenly split, since CISS carries 33.4 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.
CISS vs XTNT: side by side
| CISS (C3is Inc.) | XTNT (Xtant Medical Holdings, Inc.) | |
|---|---|---|
| 1-year return | -99.5% | -45.9% |
| 5-year return | n/a | -73.6% |
| Volatility (ann.) | 2098.5% | 62.9% |
| Beta vs S&P 500 | 2.24 | 0.93 |
| Max drawdown (3Y) | -100.0% | -77.7% |
| Market cap | – | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CISS | XTNT |
|---|---|---|
| 2022 | – | +17.9% |
| 2023 | – | +71.2% |
| 2024 | -98.9% | -61.1% |
| 2025 | -97.3% | +77.3% |
| 2026 | -93.4% | -57.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CISS and XTNT good diversifiers for each other?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between CISS and XTNT?
Using weekly returns as of 2026-08-27: -0.26 over 3 years, with -0.52 over the last year and n/a over 5 years.
Is XTNT a good diversifier for CISS?
Yes: at -0.26, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.26 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-xtnt.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/ciss-vs-xtnt/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: CISS correlations · XTNT correlations
