CURI vs RFAI: Correlation
How closely do CuriosityStream Inc. (CURI) and RF Acquisition Corp II (RFAI) trade together? Their weekly returns over three years give a correlation of -0.21, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CURI and RFAI?
Across a 3-year window, the weekly returns of CURI and RFAI correlate at -0.21, negative, meaning they tend to move in opposite directions. Lately the two have drifted apart, with the 1-year correlation at -0.35 versus -0.21 over 3 years. Stretching to 5 years gives n/a, with an annualized covariance of -4655.4 %².
Among the 10 assets we track against CURI, RFAI sits near the bottom by co-movement, at rank #8. Correlation aside, the last 12 months split them widely, with RFAI ahead by 425.7 points (-36.2% versus +389.5%). Risk is not evenly split, since RFAI carries 3.4 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.
CURI vs RFAI: side by side
| CURI (CuriosityStream Inc.) | RFAI (RF Acquisition Corp II) | |
|---|---|---|
| 1-year return | -36.2% | +389.5% |
| 5-year return | -75.1% | n/a |
| Volatility (ann.) | 85.7% | 288.3% |
| Beta vs S&P 500 | 1.27 | -1.62 |
| Max drawdown (3Y) | -61.5% | -16.5% |
| Market cap | $0.2B | $0.4B |
| P/E (trailing) | – | 399.9 |
| Dividend yield | 11.78% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CURI | RFAI |
|---|---|---|
| 2022 | -80.8% | – |
| 2023 | -52.6% | – |
| 2024 | +198.0% | – |
| 2025 | +170.3% | +5.2% |
| 2026 | -29.1% | +383.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CURI and RFAI good diversifiers for each other?
Yes. With a correlation of -0.21, CURI and RFAI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between CURI and RFAI?
The CURI/RFAI correlation stands at -0.21 on a 3-year window (1 year: -0.35, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is RFAI a good diversifier for CURI?
Yes. With a correlation of -0.21, CURI and RFAI have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.21 mean?
A reading of -0.21 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/curi-vs-rfai.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/curi-vs-rfai/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CURI correlations · RFAI correlations
