QSI vs REKR: Correlation
How closely do Quantum-Si Incorporated (QSI) and Rekor Systems, Inc. (REKR) trade together? Their weekly returns over three years give a correlation of 0.51, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are QSI and REKR?
Across a 3-year window, the weekly returns of QSI and REKR correlate at 0.51, moderate. Lately the two have moved closer together, with the 1-year correlation at 0.66 versus 0.51 over 3 years. Stretching to 5 years gives 0.42, with an annualized covariance of 7413.8 %².
Among the 25 assets we track against QSI, REKR ranks #13 by 3-year correlation. Correlation aside, the last 12 months split them widely, with QSI ahead by 21.4 points (-30.8% versus -52.2%). Risk is not evenly split, since QSI carries 1.6 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.
QSI vs REKR: side by side
| QSI (Quantum-Si Incorporated) | REKR (Rekor Systems, Inc.) | |
|---|---|---|
| 1-year return | -30.8% | -52.2% |
| 5-year return | -91.5% | -94.2% |
| Volatility (ann.) | 152.9% | 95.4% |
| Beta vs S&P 500 | 2.93 | 2.31 |
| Max drawdown (3Y) | -83.6% | -86.1% |
| Market cap | $0.2B | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | QSI | REKR |
|---|---|---|
| 2022 | -76.7% | -81.7% |
| 2023 | +9.8% | +177.5% |
| 2024 | +34.3% | -53.2% |
| 2025 | -59.3% | -11.5% |
| 2026 | -27.0% | -58.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are QSI and REKR good diversifiers for each other?
Only partially. A correlation of 0.51 means QSI and REKR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between QSI and REKR?
Using weekly returns as of 2026-08-27: 0.51 over 3 years, with 0.66 over the last year and 0.42 over 5 years.
Is REKR a good diversifier for QSI?
Only partially. A correlation of 0.51 means QSI and REKR share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.51 mean?
A reading of 0.51 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/qsi-vs-rekr.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/qsi-vs-rekr/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: QSI correlations · REKR correlations
