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SES vs TOMZ: Correlation

Measured on weekly returns over the past three years, SES AI Corporation (SES) and TOMI Environmental Solutions, Inc. (TOMZ) carry a correlation of 0.32, a moderate link.

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

Correlation (3Y)
0.32
moderate
Correlation (1Y)
0.17
last 12 months
Correlation (5Y)
0.25
long-run
Ann. covariance
6492.0
%² · weekly, annualized

How correlated are SES and TOMZ?

On 3 years of weekly data the SES/TOMZ correlation comes out at 0.32, moderate. The past 12 months show a weaker link (0.17) than the 3-year average (0.32). The 5-year figure is 0.25, and annualized covariance runs at 6492.0 %².

Within SES's tracked universe of 35 assets, TOMZ comes in at #30 by 3-year correlation. Correlation aside, the last 12 months split them widely, with TOMZ ahead by 22.1 points (-51.0% versus -28.9%). Note the risk asymmetry: SES runs 4.3 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.

SES vs TOMZ: side by side

SES (SES AI Corporation)TOMZ (TOMI Environmental Solutions, Inc.)
1-year return-51.0%-28.9%
5-year return-94.5%-66.5%
Volatility (ann.)294.5%68.9%
Beta vs S&P 5002.431.00
Max drawdown (3Y)-89.7%-61.6%
Market cap$0.2B
P/E (trailing)
Dividend yield0.00%0.00%
Sector / categoryUS ListedUS Listed
Smaller drawdown: TOMZ -61.6% vs -89.7%Higher 5y return: TOMZ -66.5% vs -94.5%
-53%0%+184%2025-09-052026-08-27
Price paths over the last 12 months, both indexed to 100 at the start (weekly closes). SES · TOMZ

Year-by-year returns

YearSESTOMZ
2022-68.3%-70.3%
2023-41.9%+106.1%
2024+19.7%+4.0%
2025-17.8%-25.7%
2026-69.5%-24.4%

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

Are SES and TOMZ good diversifiers for each other?

A fair diversifier. At 0.32, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

FAQ

What is the correlation between SES and TOMZ?

As of 2026-08-27, the correlation of weekly returns between SES and TOMZ is 0.32 over 3 years, 0.17 over 1 year and 0.25 over 5 years.

Is TOMZ a good diversifier for SES?

A fair diversifier. At 0.32, enough of each asset's movement is its own that the pair has smoothed outcomes historically.

What does a correlation of 0.32 mean?

On the −1 to +1 scale, 0.32 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

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

SES vs TOMZ: 3-year weekly correlation 0.32SES vs TOMZ0.32

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

[![SES vs TOMZ correlation](https://www.pairbook.io/api/v1/badge/ses-vs-tomz.svg)](https://www.pairbook.io/pair/ses-vs-tomz/)

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Related comparisons

Hubs: SES correlations · TOMZ correlations