INTZ vs QSI: Correlation
Measured on weekly returns over the past three years, Intrusion Inc. (INTZ) and Quantum-Si Incorporated (QSI) carry a correlation of 0.69, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are INTZ and QSI?
Over the past 3 years, INTZ and QSI moved with a correlation of 0.69, which is strong. The past 12 months show a weaker link (0.46) than the 3-year average (0.69). Over 5 years the correlation is 0.61, and the annualized covariance of weekly returns is 29631.2 %².
Among the 31 assets we track against INTZ, QSI ranks #5 by 3-year correlation. The last year tells two different stories: QSI led by 25.2 percentage points, -56.0% for INTZ against -30.8% for QSI. One caveat on sizing: INTZ is 1.8 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.
INTZ vs QSI: side by side
| INTZ (Intrusion Inc.) | QSI (Quantum-Si Incorporated) | |
|---|---|---|
| 1-year return | -56.0% | -30.8% |
| 5-year return | -99.1% | -91.5% |
| Volatility (ann.) | 281.6% | 152.9% |
| Beta vs S&P 500 | 2.38 | 2.93 |
| Max drawdown (3Y) | -97.9% | -83.6% |
| Market cap | – | $0.2B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | INTZ | QSI |
|---|---|---|
| 2022 | -8.1% | -76.7% |
| 2023 | -92.1% | +9.8% |
| 2024 | -38.4% | +34.3% |
| 2025 | -62.7% | -59.3% |
| 2026 | -29.6% | -27.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are INTZ and QSI good diversifiers for each other?
Only partially. A correlation of 0.69 means INTZ and QSI 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 INTZ and QSI?
The INTZ/QSI correlation stands at 0.69 on a 3-year window (1 year: 0.46, 5 years: 0.61), computed from weekly returns as of 2026-08-27.
Is QSI a good diversifier for INTZ?
Only partially. A correlation of 0.69 means INTZ and QSI share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.69 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/intz-vs-qsi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/intz-vs-qsi/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: INTZ correlations · QSI correlations
