DIOD vs INTT: Correlation
How closely do Diodes Incorporated (DIOD) and inTest Corporation (INTT) trade together? Their weekly returns over three years give a correlation of 0.51, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are DIOD and INTT?
On 3 years of weekly data the DIOD/INTT correlation comes out at 0.51, moderate. Little has changed lately, as the 1-year reading of 0.49 lands near the 3-year figure. The 5-year figure is 0.52, and annualized covariance runs at 1331.4 %².
By 3-year correlation, INTT places #19 of the 25 assets tracked against DIOD. Neither side won the trailing year by much: +61.7% against +62.4%.
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.
DIOD vs INTT: side by side
| DIOD (Diodes Incorporated) | INTT (inTest Corporation) | |
|---|---|---|
| 1-year return | +61.7% | +62.4% |
| 5-year return | -7.4% | -9.0% |
| Volatility (ann.) | 50.3% | 51.5% |
| Beta vs S&P 500 | 1.84 | 1.19 |
| Max drawdown (3Y) | -60.1% | -67.7% |
| Market cap | $4.2B | $0.1B |
| P/E (trailing) | 48.6 | 165.4 |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | DIOD | INTT |
|---|---|---|
| 2022 | -30.7% | -19.0% |
| 2023 | +5.8% | +32.0% |
| 2024 | -23.4% | -36.8% |
| 2025 | -20.0% | -13.0% |
| 2026 | +84.2% | +55.0% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are DIOD and INTT good diversifiers for each other?
Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between DIOD and INTT?
The DIOD/INTT correlation stands at 0.51 on a 3-year window (1 year: 0.49, 5 years: 0.52), computed from weekly returns as of 2026-08-27.
Is INTT a good diversifier for DIOD?
Somewhat, no more. With 0.51 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.51 mean?
On the −1 to +1 scale, 0.51 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/diod-vs-intt.json
Embed this badge (it refreshes with the data), with attribution:
[](https://www.pairbook.io/pair/diod-vs-intt/)
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Related comparisons
Hubs: DIOD correlations · INTT correlations
