PairBook
HomeCDT › CDT vs PRPL

CDT vs PRPL: Correlation

How closely do CDT Equity Inc. (CDT) and Purple Innovation, Inc. (PRPL) trade together? Their weekly returns over three years give a correlation of 0.93, which is very strong.

Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology

Correlation (3Y)
0.93
very strong
Correlation (1Y)
0.99
last 12 months
Correlation (5Y)
0.93
long-run
Ann. covariance
747010.3
%² · weekly, annualized

How correlated are CDT and PRPL?

Across a 3-year window, the weekly returns of CDT and PRPL correlate at 0.93, very strong, meaning they move nearly in lockstep. The relationship has been stable: the 1-year correlation (0.99) sits close to the 3-year figure. Stretching to 5 years gives 0.93, with an annualized covariance of 747010.3 %².

Few assets follow CDT as closely as PRPL, which ranks #2 of 20 tracked partners. Their recent paths diverged sharply: over the last 12 months PRPL outperformed by 403.8 percentage points (-99.3% for CDT against +304.5% for PRPL). Note the risk asymmetry: PRPL runs 2.7 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.

CDT vs PRPL: side by side

CDT (CDT Equity Inc.)PRPL (Purple Innovation, Inc.)
1-year return-99.3%+304.5%
5-year return-100.0%-82.0%
Volatility (ann.)546.1%1465.4%
Beta vs S&P 5000.29-2.51
Max drawdown (3Y)-100.0%-87.4%
Market cap
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PRPL -87.4% vs -100.0%Higher 5y return: PRPL -82.0% vs -100.0%
-100%0%+748%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). CDT · PRPL

Year-by-year returns

YearCDTPRPL
2022-63.9%
2023-55.6%-78.3%
2024-98.5%-24.3%
2025-99.8%-11.4%
2026-94.1%+549.8%

Calendar-year price returns; the current year is year-to-date as of the data date above.

Are CDT and PRPL good diversifiers for each other?

Not really. At 0.93, the two trade almost as one position, and owning both buys little extra protection.

FAQ

What is the correlation between CDT and PRPL?

The CDT/PRPL correlation stands at 0.93 on a 3-year window (1 year: 0.99, 5 years: 0.93), computed from weekly returns as of 2026-08-27.

Is PRPL a good diversifier for CDT?

Not really. At 0.93, the two trade almost as one position, and owning both buys little extra protection.

What does a correlation of 0.93 mean?

Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.

Use this data

JSON API · no key required
$ curl https://www.pairbook.io/api/v1/pairs/cdt-vs-prpl.json

CDT vs PRPL: 3-year weekly correlation 0.93CDT vs PRPL0.93

Drop this badge in a README or notebook; it updates with the data:

[![CDT vs PRPL correlation](https://www.pairbook.io/api/v1/badge/cdt-vs-prpl.svg)](https://www.pairbook.io/pair/cdt-vs-prpl/)

The core API is free. Terms and every endpoint in the API documentation.

Related comparisons

Hubs: CDT correlations · PRPL correlations