PairBook
HomeBTAI › BTAI vs HLLY

BTAI vs HLLY: Correlation

How closely do BioXcel Therapeutics, Inc. (BTAI) and Holley Inc. (HLLY) trade together? Their weekly returns over three years give a correlation of 0.50, which is moderate.

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

Correlation (3Y)
0.50
moderate
Correlation (1Y)
0.04
last 12 months
Correlation (5Y)
0.32
long-run
Ann. covariance
4839.3
%² · weekly, annualized

How correlated are BTAI and HLLY?

Over the past 3 years, BTAI and HLLY moved with a correlation of 0.50, which is moderate. The past 12 months show a weaker link (0.04) than the 3-year average (0.50). Over 5 years the correlation is 0.32, and the annualized covariance of weekly returns is 4839.3 %².

In BTAI's tracked universe of 11 assets, HLLY sits right near the top at #2. Correlation aside, the last 12 months split them widely, with HLLY ahead by 56.4 points (-81.8% versus -25.4%). Note the risk asymmetry: BTAI 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.

BTAI vs HLLY: side by side

BTAI (BioXcel Therapeutics, Inc.)HLLY (Holley Inc.)
1-year return-81.8%-25.4%
5-year return-99.8%-74.8%
Volatility (ann.)162.0%60.1%
Beta vs S&P 5002.191.33
Max drawdown (3Y)-99.2%-70.2%
Market cap$0.4B
P/E (trailing)33.0
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: HLLY -70.2% vs -99.2%Higher 5y return: HLLY -74.8% vs -99.8%
-81%0%+10%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). BTAI · HLLY

Year-by-year returns

YearBTAIHLLY
2022+5.7%-83.7%
2023-86.3%+129.7%
2024-87.3%-38.0%
2025-73.3%+36.8%
2026-55.1%-28.1%

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

Are BTAI and HLLY good diversifiers for each other?

To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between BTAI and HLLY?

Using weekly returns as of 2026-08-27: 0.50 over 3 years, with 0.04 over the last year and 0.32 over 5 years.

Is HLLY a good diversifier for BTAI?

To a limited degree. At 0.50 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.50 mean?

A reading of 0.50 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

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

BTAI vs HLLY: 3-year weekly correlation 0.50BTAI vs HLLY0.50

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

[![BTAI vs HLLY correlation](https://www.pairbook.io/api/v1/badge/btai-vs-hlly.svg)](https://www.pairbook.io/pair/btai-vs-hlly/)

No key needed, free to use. Full endpoint list in the API documentation.

Related comparisons

Hubs: BTAI correlations · HLLY correlations