KROS vs QTTB: Correlation
Measured on weekly returns over the past three years, Keros Therapeutics, Inc. (KROS) and Q32 Bio Inc. (QTTB) carry a correlation of 0.35, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KROS and QTTB?
On 3 years of weekly data the KROS/QTTB correlation comes out at 0.35, moderate. The past 12 months show a weaker link (0.04) than the 3-year average (0.35). The 5-year figure is 0.29, and annualized covariance runs at 3264.9 %².
By 3-year correlation, QTTB places #6 of the 17 assets tracked against KROS. Their recent paths diverged sharply: over the last 12 months QTTB outperformed by 866.6 percentage points (-27.6% for KROS against +839.0% for QTTB). Risk is not evenly split, since QTTB carries 1.9 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.
KROS vs QTTB: side by side
| KROS (Keros Therapeutics, Inc.) | QTTB (Q32 Bio Inc.) | |
|---|---|---|
| 1-year return | -27.6% | +839.0% |
| 5-year return | -67.0% | -87.4% |
| Volatility (ann.) | 69.9% | 134.9% |
| Beta vs S&P 500 | 0.98 | 0.12 |
| Max drawdown (3Y) | -86.5% | -97.3% |
| Market cap | $0.2B | $0.5B |
| P/E (trailing) | – | 5.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | KROS | QTTB |
|---|---|---|
| 2022 | -17.9% | -65.4% |
| 2023 | -17.2% | -51.7% |
| 2024 | -60.2% | -68.6% |
| 2025 | +28.6% | -3.5% |
| 2026 | -44.8% | +386.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KROS and QTTB good diversifiers for each other?
Reasonably. At 0.35, KROS and QTTB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between KROS and QTTB?
The KROS/QTTB correlation stands at 0.35 on a 3-year window (1 year: 0.04, 5 years: 0.29), computed from weekly returns as of 2026-08-27.
Is QTTB a good diversifier for KROS?
Reasonably. At 0.35, KROS and QTTB keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.35 mean?
A reading of 0.35 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/kros-vs-qttb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/kros-vs-qttb/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: KROS correlations · QTTB correlations
