CPIX vs TLF: Correlation
How closely do Cumberland Pharmaceuticals Inc. (CPIX) and Tandy Leather Factory, Inc. (TLF) trade together? Their weekly returns over three years give a correlation of 0.34, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are CPIX and TLF?
Across a 3-year window, the weekly returns of CPIX and TLF correlate at 0.34, moderate. Lately the two have drifted apart, with the 1-year correlation at 0.20 versus 0.34 over 3 years. Stretching to 5 years gives 0.16, with an annualized covariance of 1078.3 %².
Among the 16 assets we track against CPIX, TLF ranks #6 by 3-year correlation. The last year tells two different stories: CPIX led by 216.1 percentage points, +228.1% for CPIX against +12.0% for TLF. One caveat on sizing: CPIX is 4.4 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.
CPIX vs TLF: side by side
| CPIX (Cumberland Pharmaceuticals Inc.) | TLF (Tandy Leather Factory, Inc.) | |
|---|---|---|
| 1-year return | +228.1% | +12.0% |
| 5-year return | +295.6% | +11.5% |
| Volatility (ann.) | 117.9% | 26.5% |
| Beta vs S&P 500 | 0.07 | 0.23 |
| Max drawdown (3Y) | -71.9% | -34.9% |
| Market cap | $0.1B | – |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | CPIX | TLF |
|---|---|---|
| 2022 | -51.8% | -17.5% |
| 2023 | -20.4% | +0.2% |
| 2024 | +32.4% | +12.4% |
| 2025 | +67.9% | -20.9% |
| 2026 | +180.3% | +28.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are CPIX and TLF good diversifiers for each other?
Reasonably. At 0.34, CPIX and TLF keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between CPIX and TLF?
The CPIX/TLF correlation stands at 0.34 on a 3-year window (1 year: 0.20, 5 years: 0.16), computed from weekly returns as of 2026-08-27.
Is TLF a good diversifier for CPIX?
Reasonably. At 0.34, CPIX and TLF keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.34 mean?
On the −1 to +1 scale, 0.34 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/cpix-vs-tlf.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/cpix-vs-tlf/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: CPIX correlations · TLF correlations
