BTI vs PERF: Correlation
British American Tobacco Industries, p.l.c. (BTI) and Perfect Corp. Class A (PERF) show a negative relationship: their 3-year correlation of weekly returns is -0.22.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BTI and PERF?
Across a 3-year window, the weekly returns of BTI and PERF correlate at -0.22, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.25 lands near the 3-year figure. Stretching to 5 years gives -0.15, with an annualized covariance of -284.6 %².
Among the 21 assets we track against BTI, PERF ranks #15 by 3-year correlation. The last year tells two different stories: BTI led by 16.1 percentage points, +4.8% for BTI against -11.3% for PERF. Risk is not evenly split, since PERF carries 2.5 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.
BTI vs PERF: side by side
| BTI (British American Tobacco Industries, p.l.c.) | PERF (Perfect Corp. Class A) | |
|---|---|---|
| 1-year return | +4.8% | -11.3% |
| 5-year return | +119.4% | n/a |
| Volatility (ann.) | 22.5% | 56.3% |
| Beta vs S&P 500 | 0.06 | 0.93 |
| Max drawdown (3Y) | -15.3% | -67.5% |
| Market cap | $121.2B | $0.2B |
| P/E (trailing) | 14.5 | 31.3 |
| Dividend yield | 4.27% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BTI | PERF |
|---|---|---|
| 2022 | +15.1% | – |
| 2023 | -20.1% | -56.6% |
| 2024 | +35.4% | -8.7% |
| 2025 | +65.8% | -36.0% |
| 2026 | +2.2% | +3.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BTI and PERF good diversifiers for each other?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
FAQ
What is the correlation between BTI and PERF?
The BTI/PERF correlation stands at -0.22 on a 3-year window (1 year: -0.25, 5 years: -0.15), computed from weekly returns as of 2026-08-27.
Is PERF a good diversifier for BTI?
Yes: at -0.22, the two have gone their own ways historically, which is what genuine diversification looks like.
What does a correlation of -0.22 mean?
On the −1 to +1 scale, -0.22 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bti-vs-perf.json
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Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BTI correlations · PERF correlations
