JL vs QTTB: Correlation
Measured on weekly returns over the past three years, J-Long Group Limited - Class A (JL) and Q32 Bio Inc. (QTTB) carry a correlation of -0.37, a negative link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are JL and QTTB?
Over the past 3 years, JL and QTTB moved with a correlation of -0.37, which is negative, meaning they tend to move in opposite directions. The past 12 months show a tighter link (-0.09) than the 3-year average (-0.37). Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -30199.5 %².
Out of 58 assets tracked against JL, QTTB lands near the bottom at #56. The last year tells two different stories: QTTB led by 855.4 percentage points, -16.4% for JL against +839.0% for QTTB. Note the risk asymmetry: JL runs 4.3 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.
JL vs QTTB: side by side
| JL (J-Long Group Limited - Class A) | QTTB (Q32 Bio Inc.) | |
|---|---|---|
| 1-year return | -16.4% | +839.0% |
| 5-year return | n/a | -87.4% |
| Volatility (ann.) | 580.0% | 134.9% |
| Beta vs S&P 500 | -1.02 | 0.12 |
| Max drawdown (3Y) | -98.6% | -97.3% |
| Market cap | – | $0.5B |
| P/E (trailing) | 6.5 | 5.2 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | JL | QTTB |
|---|---|---|
| 2022 | – | -65.4% |
| 2023 | – | -51.7% |
| 2024 | – | -68.6% |
| 2025 | +67.1% | -3.5% |
| 2026 | -20.1% | +386.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are JL and QTTB good diversifiers for each other?
Yes: at -0.37, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between JL and QTTB?
Using weekly returns as of 2026-08-27: -0.37 over 3 years, with -0.09 over the last year and n/a over 5 years.
Is QTTB a good diversifier for JL?
Yes: at -0.37, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.37 mean?
A reading of -0.37 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/jl-vs-qttb.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/jl-vs-qttb/)
The core API is free. Terms and every endpoint in the API documentation.
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Hubs: JL correlations · QTTB correlations