HLLY vs TTD: Correlation
How closely do Holley Inc. (HLLY) and Trade Desk (The) (TTD) trade together? Their weekly returns over three years give a correlation of -0.24, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are HLLY and TTD?
Over the past 3 years, HLLY and TTD moved with a correlation of -0.24, which is negative, meaning they tend to move in opposite directions. Recent behaviour matches the longer record: -0.26 over 1 year against -0.24 over 3. Over 5 years the correlation is -0.02, and the annualized covariance of weekly returns is -857.7 %².
Out of 18 assets tracked against HLLY, TTD lands near the bottom at #15. Their recent paths diverged sharply: over the last 12 months HLLY outperformed by 49.1 percentage points (-25.4% for HLLY against -74.5% for TTD).
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.
HLLY vs TTD: side by side
| HLLY (Holley Inc.) | TTD (Trade Desk (The)) | |
|---|---|---|
| 1-year return | -25.4% | -74.5% |
| 5-year return | -74.8% | -83.4% |
| Volatility (ann.) | 60.1% | 60.7% |
| Beta vs S&P 500 | 1.33 | 1.23 |
| Max drawdown (3Y) | -70.2% | -90.7% |
| Market cap | $0.4B | $6.3B |
| P/E (trailing) | 33.0 | 15.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | HLLY | TTD |
|---|---|---|
| 2022 | -83.7% | -51.1% |
| 2023 | +129.7% | +60.5% |
| 2024 | -38.0% | +63.3% |
| 2025 | +36.8% | -67.7% |
| 2026 | -28.1% | -64.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are HLLY and TTD good diversifiers for each other?
Yes. With a correlation of -0.24, HLLY and TTD have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between HLLY and TTD?
Using weekly returns as of 2026-08-27: -0.24 over 3 years, with -0.26 over the last year and -0.02 over 5 years.
Is TTD a good diversifier for HLLY?
Yes. With a correlation of -0.24, HLLY and TTD have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.24 mean?
A reading of -0.24 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
$ curl https://www.pairbook.io/api/v1/pairs/hlly-vs-ttd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/hlly-vs-ttd/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: HLLY correlations · TTD correlations
