MRSH vs TTI: Correlation
How closely do Marsh McLennan (MRSH) and Tetra Technologies, Inc. (TTI) trade together? Their weekly returns over three years give a correlation of -0.19, which is negative.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MRSH and TTI?
Over the past 3 years, MRSH and TTI moved with a correlation of -0.19, which is negative, meaning they tend to move in opposite directions. The past 12 months show a weaker link (-0.35) than the 3-year average (-0.19). Over 5 years the correlation is 0.00, and the annualized covariance of weekly returns is -203.4 %².
Within MRSH's tracked universe of 38 assets, TTI comes in at #28 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months TTI outperformed by 59.7 percentage points (-6.0% for MRSH against +53.7% for TTI). One caveat on sizing: TTI is 3.3 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
MRSH vs TTI: side by side
| MRSH (Marsh McLennan) | TTI (Tetra Technologies, Inc.) | |
|---|---|---|
| 1-year return | -6.0% | +53.7% |
| 5-year return | +31.3% | +123.5% |
| Volatility (ann.) | 18.1% | 59.6% |
| Beta vs S&P 500 | 0.33 | 0.96 |
| Max drawdown (3Y) | -34.4% | -67.4% |
| Market cap | $90.7B | $1.0B |
| P/E (trailing) | 23.6 | 173.2 |
| Dividend yield | 1.91% | 0.00% |
| Sector / category | Financials | US Listed |
Year-by-year returns
| Year | MRSH | TTI |
|---|---|---|
| 2022 | -3.5% | +21.8% |
| 2023 | +16.1% | +30.6% |
| 2024 | +13.7% | -20.8% |
| 2025 | -11.3% | +161.7% |
| 2026 | +4.0% | -26.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are MRSH and TTI good diversifiers for each other?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
FAQ
What is the correlation between MRSH and TTI?
Using weekly returns as of 2026-08-27: -0.19 over 3 years, with -0.35 over the last year and 0.00 over 5 years.
Is TTI a good diversifier for MRSH?
By historical standards, yes. A correlation of -0.19 means the two rarely move for the same reasons.
What does a correlation of -0.19 mean?
A reading of -0.19 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/mrsh-vs-tti.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/mrsh-vs-tti/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: MRSH correlations · TTI correlations
