PairBook
HomeBSY › BSY vs TTD

BSY vs TTD: Correlation

Measured on weekly returns over the past three years, Bentley Systems, Incorporated (BSY) and Trade Desk (The) (TTD) carry a correlation of 0.44, a moderate link.

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

Correlation (3Y)
0.44
moderate
Correlation (1Y)
0.54
last 12 months
Correlation (5Y)
0.44
long-run
Ann. covariance
780.3
%² · weekly, annualized

How correlated are BSY and TTD?

On 3 years of weekly data the BSY/TTD correlation comes out at 0.44, moderate. The link has tightened recently: the 1-year correlation (0.54) runs above the 3-year figure (0.44). The 5-year figure is 0.44, and annualized covariance runs at 780.3 %².

Among the 13 assets we track against BSY, TTD ranks #7 by 3-year correlation. Correlation aside, the last 12 months split them widely, with BSY ahead by 43.6 points (-30.9% versus -74.5%). Risk is not evenly split, since TTD carries 2.1 times the volatility of the other side.

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.

BSY vs TTD: side by side

BSY (Bentley Systems, Incorporated)TTD (Trade Desk (The))
1-year return-30.9%-74.5%
5-year return-40.5%-83.4%
Volatility (ann.)29.4%60.7%
Beta vs S&P 5000.711.23
Max drawdown (3Y)-51.3%-90.7%
Market cap$11.4B$6.3B
P/E (trailing)40.915.4
Dividend yield0.76%0.00%
Sector / categoryUS ListedCommunication Services
Lower P/E: TTD 15.4 vs 40.9Higher yield: BSY 0.76% vs 0.00%Smaller drawdown: BSY -51.3% vs -90.7%Higher 5y return: BSY -40.5% vs -83.4%
-75%0%+2%2025-09-052026-08-27
Twelve months of weekly closes, each series rebased to 100. BSY · TTD

Year-by-year returns

YearBSYTTD
2022-23.3%-51.1%
2023+41.8%+60.5%
2024-10.1%+63.3%
2025-17.8%-67.7%
2026-1.1%-64.6%

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

Are BSY and TTD good diversifiers for each other?

Reasonably. At 0.44, BSY and TTD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

FAQ

What is the correlation between BSY and TTD?

Using weekly returns as of 2026-08-27: 0.44 over 3 years, with 0.54 over the last year and 0.44 over 5 years.

Is TTD a good diversifier for BSY?

Reasonably. At 0.44, BSY and TTD keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.

What does a correlation of 0.44 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/bsy-vs-ttd.json

BSY vs TTD: 3-year weekly correlation 0.44BSY vs TTD0.44

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

[![BSY vs TTD correlation](https://www.pairbook.io/api/v1/badge/bsy-vs-ttd.svg)](https://www.pairbook.io/pair/bsy-vs-ttd/)

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

Related comparisons

Hubs: BSY correlations · TTD correlations