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BTCT vs RMTI: Correlation

BTC Digital Ltd. (BTCT) and Rockwell Medical, Inc. (RMTI) show a negative relationship: their 3-year correlation of weekly returns is -0.28.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
-0.28
negative
Correlation (1Y)
0.06
last 12 months
Correlation (5Y)
-0.16
long-run
Ann. covariance
-13003.8
%² · weekly, annualized

How correlated are BTCT and RMTI?

Over the past 3 years, BTCT and RMTI moved with a correlation of -0.28, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (0.06) than the 3-year average (-0.28). Over 5 years the correlation is -0.16, and the annualized covariance of weekly returns is -13003.8 %².

Within BTCT's tracked universe of 52 assets, RMTI comes in at #39 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months BTCT outperformed by 27.1 percentage points (-20.2% for BTCT against -47.3% for RMTI). One caveat on sizing: BTCT is 7.2 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.

BTCT vs RMTI: side by side

BTCT (BTC Digital Ltd.)RMTI (Rockwell Medical, Inc.)
1-year return-20.2%-47.3%
5-year return-99.5%-89.3%
Volatility (ann.)571.6%79.9%
Beta vs S&P 500-2.211.63
Max drawdown (3Y)-97.8%-88.8%
Market cap
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: RMTI -88.8% vs -97.8%Higher 5y return: RMTI -89.3% vs -99.5%
-82%0%+21%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BTCT · RMTI

Year-by-year returns

YearBTCTRMTI
2022-97.6%-77.6%
2023+33.9%+87.1%
2024-0.8%+7.9%
2025-72.8%-59.3%
2026+61.5%-6.6%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are BTCT and RMTI good diversifiers for each other?

Yes. With a correlation of -0.28, BTCT and RMTI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

FAQ

What is the correlation between BTCT and RMTI?

As of 2026-08-27, the correlation of weekly returns between BTCT and RMTI is -0.28 over 3 years, 0.06 over 1 year and -0.16 over 5 years.

Is RMTI a good diversifier for BTCT?

Yes. With a correlation of -0.28, BTCT and RMTI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.

What does a correlation of -0.28 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

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/btct-vs-rmti.json

BTCT vs RMTI: 3-year weekly correlation -0.28BTCT vs RMTI-0.28

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Related comparisons

Hubs: BTCT correlations · RMTI correlations