GTBP vs QSI: Correlation
Measured on weekly returns over the past three years, GT Biopharma, Inc. (GTBP) and Quantum-Si Incorporated (QSI) carry a correlation of 0.46, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are GTBP and QSI?
Over the past 3 years, GTBP and QSI moved with a correlation of 0.46, which is moderate. The past 12 months show a weaker link (0.10) than the 3-year average (0.46). Over 5 years the correlation is 0.39, and the annualized covariance of weekly returns is 6337.8 %².
Few assets follow GTBP as closely as QSI, which ranks #1 of 10 tracked partners. Correlation aside, the last 12 months split them widely, with QSI ahead by 42.7 points (-73.5% versus -30.8%). One caveat on sizing: QSI is 1.7 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.
GTBP vs QSI: side by side
| GTBP (GT Biopharma, Inc.) | QSI (Quantum-Si Incorporated) | |
|---|---|---|
| 1-year return | -73.5% | -30.8% |
| 5-year return | -99.9% | -91.5% |
| Volatility (ann.) | 90.4% | 152.9% |
| Beta vs S&P 500 | 0.76 | 2.93 |
| Max drawdown (3Y) | -97.1% | -83.6% |
| Market cap | – | $0.2B |
| P/E (trailing) | 0.1 | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | GTBP | QSI |
|---|---|---|
| 2022 | -71.0% | -76.7% |
| 2023 | -71.2% | +9.8% |
| 2024 | -60.1% | +34.3% |
| 2025 | -74.3% | -59.3% |
| 2026 | -61.6% | -27.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are GTBP and QSI good diversifiers for each other?
Reasonably. At 0.46, GTBP and QSI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between GTBP and QSI?
The GTBP/QSI correlation stands at 0.46 on a 3-year window (1 year: 0.10, 5 years: 0.39), computed from weekly returns as of 2026-08-27.
Is QSI a good diversifier for GTBP?
Reasonably. At 0.46, GTBP and QSI keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.46 mean?
A reading of 0.46 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/gtbp-vs-qsi.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/gtbp-vs-qsi/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: GTBP correlations · QSI correlations
