PairBook
HomePDEX › PDEX vs TXMD

PDEX vs TXMD: Correlation

How closely do Pro-Dex, Inc. (PDEX) and TherapeuticsMD, Inc. (TXMD) trade together? Their weekly returns over three years give a correlation of -0.20, which is negative.

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

Correlation (3Y)
-0.20
negative
Correlation (1Y)
-0.20
last 12 months
Correlation (5Y)
-0.04
long-run
Ann. covariance
-881.5
%² · weekly, annualized

How correlated are PDEX and TXMD?

Across a 3-year window, the weekly returns of PDEX and TXMD correlate at -0.20, negative, meaning they tend to move in opposite directions. The relationship has been stable: the 1-year correlation (-0.20) sits close to the 3-year figure. Stretching to 5 years gives -0.04, with an annualized covariance of -881.5 %².

By 3-year correlation, TXMD places #18 of the 31 assets tracked against PDEX. Correlation aside, the last 12 months split them widely, with TXMD ahead by 55.7 points (+42.5% versus +98.2%).

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.

PDEX vs TXMD: side by side

PDEX (Pro-Dex, Inc.)TXMD (TherapeuticsMD, Inc.)
1-year return+42.5%+98.2%
5-year return+152.4%-94.4%
Volatility (ann.)59.6%73.0%
Beta vs S&P 5000.171.30
Max drawdown (3Y)-65.3%-81.2%
Market cap$0.2B
P/E (trailing)17.5
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: PDEX -65.3% vs -81.2%Higher 5y return: PDEX +152.4% vs -94.4%
-31%0%+142%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. PDEX · TXMD

Year-by-year returns

YearPDEXTXMD
2022-31.5%-68.9%
2023+10.2%-59.7%
2024+166.8%-61.8%
2025-17.7%+89.5%
2026+68.6%+36.2%

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

Are PDEX and TXMD good diversifiers for each other?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

FAQ

What is the correlation between PDEX and TXMD?

Using weekly returns as of 2026-08-27: -0.20 over 3 years, with -0.20 over the last year and -0.04 over 5 years.

Is TXMD a good diversifier for PDEX?

Yes: at -0.20, the two have gone their own ways historically, which is what genuine diversification looks like.

What does a correlation of -0.20 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/pdex-vs-txmd.json

PDEX vs TXMD: 3-year weekly correlation -0.20PDEX vs TXMD-0.20

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

[![PDEX vs TXMD correlation](https://www.pairbook.io/api/v1/badge/pdex-vs-txmd.svg)](https://www.pairbook.io/pair/pdex-vs-txmd/)

Free with attribution; caching and terms are described in the API documentation.

Related comparisons

Hubs: PDEX correlations · TXMD correlations