MDAI vs RGTI: Correlation
How closely do Spectral AI, Inc. (MDAI) and Rigetti Computing, Inc. (RGTI) trade together? Their weekly returns over three years give a correlation of 0.39, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MDAI and RGTI?
Over the past 3 years, MDAI and RGTI moved with a correlation of 0.39, which is moderate. The past 12 months show a tighter link (0.55) than the 3-year average (0.39). Over 5 years the correlation is 0.27, and the annualized covariance of weekly returns is 5377.5 %².
RGTI is one of the assets that tracks MDAI most closely: it ranks #3 out of the 10 assets we track against MDAI. Correlation aside, the last 12 months split them widely, with RGTI ahead by 29.2 points (-22.4% versus +6.8%).
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.
MDAI vs RGTI: side by side
| MDAI (Spectral AI, Inc.) | RGTI (Rigetti Computing, Inc.) | |
|---|---|---|
| 1-year return | -22.4% | +6.8% |
| 5-year return | -83.2% | +69.5% |
| Volatility (ann.) | 105.0% | 129.7% |
| Beta vs S&P 500 | 1.03 | 2.64 |
| Max drawdown (3Y) | -93.5% | -77.1% |
| Market cap | $0.1B | $5.5B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MDAI | RGTI |
|---|---|---|
| 2022 | +3.0% | -92.9% |
| 2023 | -75.6% | +35.1% |
| 2024 | +15.0% | +1449.2% |
| 2025 | -49.8% | +45.2% |
| 2026 | +14.8% | -25.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MDAI and RGTI good diversifiers for each other?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
FAQ
What is the correlation between MDAI and RGTI?
As of 2026-08-27, the correlation of weekly returns between MDAI and RGTI is 0.39 over 3 years, 0.55 over 1 year and 0.27 over 5 years.
Is RGTI a good diversifier for MDAI?
A fair diversifier. At 0.39, enough of each asset's movement is its own that the pair has smoothed outcomes historically.
What does a correlation of 0.39 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/mdai-vs-rgti.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/mdai-vs-rgti/)
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Related comparisons
Hubs: MDAI correlations · RGTI correlations
