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FLEX vs SITM: Correlation

How closely do Flex Ltd. (FLEX) and SiTime Corporation (SITM) trade together? Their weekly returns over three years give a correlation of 0.62, which is strong.

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

Correlation (3Y)
0.62
strong
Correlation (1Y)
0.70
last 12 months
Correlation (5Y)
0.57
long-run
Ann. covariance
2454.9
%² · weekly, annualized

How correlated are FLEX and SITM?

On 3 years of weekly data the FLEX/SITM correlation comes out at 0.62, strong. The relationship has been stable: the 1-year correlation (0.70) sits close to the 3-year figure. The 5-year figure is 0.57, and annualized covariance runs at 2454.9 %².

SITM is one of the assets that tracks FLEX most closely: it ranks #3 out of the 45 assets we track against FLEX. Their recent paths diverged sharply: over the last 12 months SITM outperformed by 36.7 percentage points (+114.6% for FLEX against +151.3% for SITM). Note the risk asymmetry: SITM runs 1.5 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.

FLEX vs SITM: side by side

FLEX (Flex Ltd.)SITM (SiTime Corporation)
1-year return+114.6%+151.3%
5-year return+716.5%+183.2%
Volatility (ann.)50.9%77.7%
Beta vs S&P 5001.702.97
Max drawdown (3Y)-40.0%-55.3%
Market cap$42.6B$18.0B
P/E (trailing)43.2999.8
Dividend yield0.00%0.00%
Sector / categoryInformation TechnologyUS Listed
Lower P/E: FLEX 43.2 vs 999.8Smaller drawdown: FLEX -40.0% vs -55.3%Higher 5y return: FLEX +716.5% vs +183.2%
-1%0%+255%2025-09-052026-08-27
Both assets over the last year, indexed to 100 at the starting week. FLEX · SITM

Year-by-year returns

YearFLEXSITM
2022+17.1%-65.3%
2023+41.9%+20.1%
2024+67.2%+75.7%
2025+57.4%+64.6%
2026+90.8%+69.8%

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

Are FLEX and SITM good diversifiers for each other?

To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

FAQ

What is the correlation between FLEX and SITM?

The FLEX/SITM correlation stands at 0.62 on a 3-year window (1 year: 0.70, 5 years: 0.57), computed from weekly returns as of 2026-08-27.

Is SITM a good diversifier for FLEX?

To a limited degree. At 0.62 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.

What does a correlation of 0.62 mean?

On the −1 to +1 scale, 0.62 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

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$ curl https://www.pairbook.io/api/v1/pairs/flex-vs-sitm.json

FLEX vs SITM: 3-year weekly correlation 0.62FLEX vs SITM0.62

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Related comparisons

Hubs: FLEX correlations · SITM correlations