BL vs TTD: Correlation
BlackLine, Inc. (BL) and Trade Desk (The) (TTD) show a moderate relationship: their 3-year correlation of weekly returns is 0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BL and TTD?
On 3 years of weekly data the BL/TTD correlation comes out at 0.54, moderate. Recent behaviour matches the longer record: 0.47 over 1 year against 0.54 over 3. The 5-year figure is 0.45, and annualized covariance runs at 1329.0 %².
By 3-year correlation, TTD places #4 of the 15 assets tracked against BL. Correlation aside, the last 12 months split them widely, with BL ahead by 36.2 points (-38.3% versus -74.5%).
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.
BL vs TTD: side by side
| BL (BlackLine, Inc.) | TTD (Trade Desk (The)) | |
|---|---|---|
| 1-year return | -38.3% | -74.5% |
| 5-year return | -69.6% | -83.4% |
| Volatility (ann.) | 40.7% | 60.7% |
| Beta vs S&P 500 | 0.83 | 1.23 |
| Max drawdown (3Y) | -63.2% | -90.7% |
| Market cap | $2.0B | $6.3B |
| P/E (trailing) | 60.2 | 15.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | Communication Services |
Year-by-year returns
| Year | BL | TTD |
|---|---|---|
| 2022 | -35.0% | -51.1% |
| 2023 | -7.2% | +60.5% |
| 2024 | -2.7% | +63.3% |
| 2025 | -9.0% | -67.7% |
| 2026 | -39.0% | -64.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BL and TTD good diversifiers for each other?
Only partially. A correlation of 0.54 means BL and TTD share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between BL and TTD?
As of 2026-08-27, the correlation of weekly returns between BL and TTD is 0.54 over 3 years, 0.47 over 1 year and 0.45 over 5 years.
Is TTD a good diversifier for BL?
Only partially. A correlation of 0.54 means BL and TTD share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.54 mean?
On the −1 to +1 scale, 0.54 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/bl-vs-ttd.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bl-vs-ttd/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: BL correlations · TTD correlations
