SOXX vs TXN: Correlation
How closely do iShares Semiconductor ETF (SOXX) and Texas Instruments (TXN) trade together? Their weekly returns over three years give a correlation of 0.69, which is strong.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are SOXX and TXN?
On 3 years of weekly data the SOXX/TXN correlation comes out at 0.69, strong. The relationship has been stable: the 1-year correlation (0.66) sits close to the 3-year figure. The 5-year figure is 0.72, and annualized covariance runs at 828.0 %².
By 3-year correlation, TXN places #51 of the 127 assets tracked against SOXX. The last year tells two different stories: SOXX led by 76.9 percentage points, +110.0% for SOXX against +33.1% for TXN. On a rolling one-year basis the correlation drifted between 0.58 and 0.85, a moderate band.
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.
SOXX vs TXN: side by side
| SOXX (iShares Semiconductor ETF) | TXN (Texas Instruments) | |
|---|---|---|
| 1-year return | +110.0% | +33.1% |
| 5-year return | +247.5% | +60.4% |
| Volatility (ann.) | 35.2% | 34.3% |
| Beta vs S&P 500 | 1.93 | 1.28 |
| Max drawdown (3Y) | -41.4% | -33.4% |
| Market cap | – | $243.4B |
| P/E (trailing) | – | 40.6 |
| Dividend yield | 0.29% | 2.15% |
| Expense ratio | 0.33% | – |
| Assets under management | $44.7B | – |
| Sector / category | ETF · Thematic | Information Technology |
SOXX is a Technology fund from iShares: $44.7B under management, 30 holdings, a 0.33% expense ratio, a 0.29% trailing dividend yield.
Year-by-year returns
| Year | SOXX | TXN |
|---|---|---|
| 2022 | -35.1% | -9.9% |
| 2023 | +67.1% | +6.4% |
| 2024 | +12.9% | +13.1% |
| 2025 | +40.7% | -4.5% |
| 2026 | +74.7% | +56.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 3.83% of SOXX is TXN itself, so the fund partly moves with the stock by construction.
Are SOXX and TXN good diversifiers for each other?
Only partially. A correlation of 0.69 means SOXX and TXN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
FAQ
What is the correlation between SOXX and TXN?
The SOXX/TXN correlation stands at 0.69 on a 3-year window (1 year: 0.66, 5 years: 0.72), computed from weekly returns as of 2026-08-27.
Is TXN a good diversifier for SOXX?
Only partially. A correlation of 0.69 means SOXX and TXN share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.69 mean?
A reading of 0.69 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: SOXX correlations · TXN correlations
