KLAC vs THG: Correlation
KLA Corporation (KLAC) and Hanover Insurance Group Inc (THG) show a negative relationship: their 3-year correlation of weekly returns is -0.18.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are KLAC and THG?
On 3 years of weekly data the KLAC/THG correlation comes out at -0.18, negative, meaning they tend to move in opposite directions. Little has changed lately, as the 1-year reading of -0.21 lands near the 3-year figure. The 5-year figure is -0.07, and annualized covariance runs at -183.5 %².
Among the 40 assets we track against KLAC, THG sits near the bottom by co-movement, at rank #36. Correlation aside, the last 12 months split them widely, with KLAC ahead by 74.8 points (+107.9% versus +33.1%). Risk is not evenly split, since KLAC 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.
KLAC vs THG: side by side
| KLAC (KLA Corporation) | THG (Hanover Insurance Group Inc) | |
|---|---|---|
| 1-year return | +107.9% | +33.1% |
| 5-year return | +463.9% | +81.9% |
| Volatility (ann.) | 45.6% | 21.9% |
| Beta vs S&P 500 | 1.84 | 0.24 |
| Max drawdown (3Y) | -43.6% | -14.0% |
| Market cap | $240.1B | $7.9B |
| P/E (trailing) | 50.2 | 10.9 |
| Dividend yield | 0.44% | 1.64% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | KLAC | THG |
|---|---|---|
| 2022 | -11.2% | +5.4% |
| 2023 | +56.0% | -7.6% |
| 2024 | +9.4% | +30.6% |
| 2025 | +94.5% | +20.7% |
| 2026 | +51.8% | +25.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are KLAC and THG good diversifiers for each other?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
FAQ
What is the correlation between KLAC and THG?
As of 2026-08-27, the correlation of weekly returns between KLAC and THG is -0.18 over 3 years, -0.21 over 1 year and -0.07 over 5 years.
Is THG a good diversifier for KLAC?
By historical standards, yes. A correlation of -0.18 means the two rarely move for the same reasons.
What does a correlation of -0.18 mean?
On the −1 to +1 scale, -0.18 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.
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Related comparisons
Hubs: KLAC correlations · THG correlations
