MPAA vs RIME: Correlation
Measured on weekly returns over the past three years, Motorcar Parts of America, Inc. (MPAA) and Algorhythm Holdings, Inc. (RIME) carry a correlation of -0.23, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MPAA and RIME?
Across a 3-year window, the weekly returns of MPAA and RIME correlate at -0.23, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.33 lands near the 3-year figure. Stretching to 5 years gives -0.14, with an annualized covariance of -3092.6 %².
Among the 12 assets we track against MPAA, RIME sits near the bottom by co-movement, at rank #10. Their recent paths diverged sharply: over the last 12 months MPAA outperformed by 63.0 percentage points (-23.6% for MPAA against -86.6% for RIME). Note the risk asymmetry: RIME runs 2.8 times the annualized volatility of the other leg, so equal-weighting the two is not an equal-risk position.
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.
MPAA vs RIME: side by side
| MPAA (Motorcar Parts of America, Inc.) | RIME (Algorhythm Holdings, Inc.) | |
|---|---|---|
| 1-year return | -23.6% | -86.6% |
| 5-year return | -42.5% | -100.0% |
| Volatility (ann.) | 69.6% | 197.4% |
| Beta vs S&P 500 | 1.42 | -0.17 |
| Max drawdown (3Y) | -53.3% | -99.9% |
| Market cap | $0.2B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | MPAA | RIME |
|---|---|---|
| 2022 | -30.5% | -43.3% |
| 2023 | -21.2% | -77.1% |
| 2024 | -18.6% | -91.1% |
| 2025 | +62.4% | -94.4% |
| 2026 | -7.0% | -72.8% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MPAA and RIME good diversifiers for each other?
Yes. With a correlation of -0.23, MPAA and RIME have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between MPAA and RIME?
Using weekly returns as of 2026-08-27: -0.23 over 3 years, with -0.33 over the last year and -0.14 over 5 years.
Is RIME a good diversifier for MPAA?
Yes. With a correlation of -0.23, MPAA and RIME have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.23 mean?
On the −1 to +1 scale, -0.23 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mpaa-vs-rime.json
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[](https://www.pairbook.io/pair/mpaa-vs-rime/)
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Related comparisons
Hubs: MPAA correlations · RIME correlations
