MTSI vs SOXX: Correlation
MACOM Technology Solutions Holdings, Inc. (MTSI) and iShares Semiconductor ETF (SOXX) show a strong relationship: their 3-year correlation of weekly returns is 0.68.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are MTSI and SOXX?
Over the past 3 years, MTSI and SOXX moved with a correlation of 0.68, which is strong. Little has changed lately, as the 1-year reading of 0.65 lands near the 3-year figure. Over 5 years the correlation is 0.70, and the annualized covariance of weekly returns is 1158.0 %².
Few assets follow MTSI as closely as SOXX, which ranks #2 of 17 tracked partners. Their 12-month results are close: +113.8% for MTSI against +110.0% for SOXX.
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.
MTSI vs SOXX: side by side
| MTSI (MACOM Technology Solutions Holdings, Inc.) | SOXX (iShares Semiconductor ETF) | |
|---|---|---|
| 1-year return | +113.8% | +110.0% |
| 5-year return | +341.3% | +247.5% |
| Volatility (ann.) | 48.7% | 35.2% |
| Beta vs S&P 500 | 1.65 | 1.93 |
| Max drawdown (3Y) | -44.2% | -41.4% |
| Market cap | $21.2B | – |
| P/E (trailing) | 88.3 | – |
| Dividend yield | 0.00% | 0.29% |
| Expense ratio | – | 0.33% |
| Assets under management | – | $44.7B |
| Sector / category | US Listed | ETF · Thematic |
On the fund side, SOXX sits in the Technology category at iShares, with $44.7B under management, 30 holdings, a 0.33% expense ratio, a 0.29% trailing dividend yield.
Year-by-year returns
| Year | MTSI | SOXX |
|---|---|---|
| 2022 | -19.6% | -35.1% |
| 2023 | +47.6% | +67.1% |
| 2024 | +39.8% | +12.9% |
| 2025 | +31.8% | +40.7% |
| 2026 | +61.8% | +74.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Fund exposure
A structural note: 1.05% of SOXX is MTSI itself, so the fund partly moves with the stock by construction.
Are MTSI and SOXX good diversifiers for each other?
Only partially. A correlation of 0.68 means MTSI and SOXX 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 MTSI and SOXX?
Using weekly returns as of 2026-08-27: 0.68 over 3 years, with 0.65 over the last year and 0.70 over 5 years.
Is SOXX a good diversifier for MTSI?
Only partially. A correlation of 0.68 means MTSI and SOXX share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.68 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/mtsi-vs-soxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/mtsi-vs-soxx/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: MTSI correlations · SOXX correlations
