NXPI vs STM: Correlation
How closely do NXP Semiconductors (NXPI) and STMicroelectronics N.V. (STM) trade together? Their weekly returns over three years give a correlation of 0.70, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NXPI and STM?
On 3 years of weekly data the NXPI/STM correlation comes out at 0.70, strong. Recent behaviour matches the longer record: 0.62 over 1 year against 0.70 over 3. The 5-year figure is 0.73, and annualized covariance runs at 1292.6 %².
By 3-year correlation, STM places #6 of the 35 assets tracked against NXPI. The last year tells two different stories: STM led by 94.3 percentage points, -3.3% for NXPI against +91.0% for STM.
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.
NXPI vs STM: side by side
| NXPI (NXP Semiconductors) | STM (STMicroelectronics N.V.) | |
|---|---|---|
| 1-year return | -3.3% | +91.0% |
| 5-year return | +8.6% | +19.4% |
| Volatility (ann.) | 39.9% | 46.5% |
| Beta vs S&P 500 | 1.53 | 1.62 |
| Max drawdown (3Y) | -46.5% | -64.6% |
| Market cap | $57.0B | $45.8B |
| P/E (trailing) | 19.3 | – |
| Dividend yield | 1.82% | 0.72% |
| Sector / category | Information Technology | US Listed |
Year-by-year returns
| Year | NXPI | STM |
|---|---|---|
| 2022 | -29.2% | -26.8% |
| 2023 | +48.4% | +41.7% |
| 2024 | -8.0% | -49.7% |
| 2025 | +6.4% | +5.3% |
| 2026 | +4.9% | +98.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NXPI and STM good diversifiers for each other?
Somewhat, no more. With 0.70 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NXPI and STM?
The NXPI/STM correlation stands at 0.70 on a 3-year window (1 year: 0.62, 5 years: 0.73), computed from weekly returns as of 2026-08-27.
Is STM a good diversifier for NXPI?
Somewhat, no more. With 0.70 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.70 mean?
On the −1 to +1 scale, 0.70 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
$ curl https://www.pairbook.io/api/v1/pairs/nxpi-vs-stm.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/nxpi-vs-stm/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NXPI correlations · STM correlations
