BTCS vs IRIX: Correlation
How closely do BTCS Inc. (BTCS) and IRIDEX Corporation (IRIX) trade together? Their weekly returns over three years give a correlation of 0.30, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BTCS and IRIX?
Over the past 3 years, BTCS and IRIX moved with a correlation of 0.30, which is moderate. The link has loosened recently: the 1-year correlation (-0.01) runs below the 3-year figure (0.30). Over 5 years the correlation is 0.29, and the annualized covariance of weekly returns is 2992.7 %².
Within BTCS's tracked universe of 20 assets, IRIX comes in at #8 by 3-year correlation. Correlation aside, the last 12 months split them widely, with IRIX ahead by 17.1 points (-62.3% versus -45.2%). One caveat on sizing: BTCS 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.
BTCS vs IRIX: side by side
| BTCS (BTCS Inc.) | IRIX (IRIDEX Corporation) | |
|---|---|---|
| 1-year return | -62.3% | -45.2% |
| 5-year return | -79.2% | -90.8% |
| Volatility (ann.) | 161.4% | 60.9% |
| Beta vs S&P 500 | 0.34 | 0.50 |
| Max drawdown (3Y) | -84.9% | -79.9% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BTCS | IRIX |
|---|---|---|
| 2022 | -79.6% | -67.1% |
| 2023 | +158.7% | +39.8% |
| 2024 | +51.5% | -40.2% |
| 2025 | +8.1% | -32.1% |
| 2026 | -39.8% | -37.5% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BTCS and IRIX good diversifiers for each other?
Reasonably. At 0.30, BTCS and IRIX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BTCS and IRIX?
The BTCS/IRIX correlation stands at 0.30 on a 3-year window (1 year: -0.01, 5 years: 0.29), computed from weekly returns as of 2026-08-27.
Is IRIX a good diversifier for BTCS?
Reasonably. At 0.30, BTCS and IRIX keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.30 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/btcs-vs-irix.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/btcs-vs-irix/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BTCS correlations · IRIX correlations
