ADX vs ISRG: Correlation
How closely do Adams Diversified Equity Fund Inc. (ADX) and Intuitive Surgical (ISRG) trade together? Their weekly returns over three years give a correlation of 0.54, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are ADX and ISRG?
On 3 years of weekly data the ADX/ISRG correlation comes out at 0.54, moderate. The past 12 months show a weaker link (0.31) than the 3-year average (0.54). The 5-year figure is 0.60, and annualized covariance runs at 262.2 %².
Among the 12 assets we track against ADX, ISRG sits near the bottom by co-movement, at rank #8. Correlation aside, the last 12 months split them widely, with ADX ahead by 51.6 points (+29.5% versus -22.1%). One caveat on sizing: ISRG is 2.0 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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.
ADX vs ISRG: side by side
| ADX (Adams Diversified Equity Fund Inc.) | ISRG (Intuitive Surgical) | |
|---|---|---|
| 1-year return | +29.5% | -22.1% |
| 5-year return | +88.9% | +4.0% |
| Volatility (ann.) | 15.7% | 31.1% |
| Beta vs S&P 500 | 0.96 | 1.20 |
| Max drawdown (3Y) | -18.3% | -45.6% |
| Market cap | $3.3B | $131.5B |
| P/E (trailing) | 5.3 | 42.5 |
| Dividend yield | 7.26% | 0.00% |
| Sector / category | US Listed | Health Care |
Year-by-year returns
| Year | ADX | ISRG |
|---|---|---|
| 2022 | -19.8% | -26.1% |
| 2023 | +31.5% | +27.1% |
| 2024 | +28.3% | +54.7% |
| 2025 | +26.0% | +8.5% |
| 2026 | +18.5% | -35.2% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are ADX and ISRG good diversifiers for each other?
Only partially. A correlation of 0.54 means ADX and ISRG 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 ADX and ISRG?
As of 2026-08-27, the correlation of weekly returns between ADX and ISRG is 0.54 over 3 years, 0.31 over 1 year and 0.60 over 5 years.
Is ISRG a good diversifier for ADX?
Only partially. A correlation of 0.54 means ADX and ISRG share most of their swings. Pairing them dampens volatility somewhat, but it will not protect against a common drawdown.
What does a correlation of 0.54 mean?
On the −1 to +1 scale, 0.54 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/adx-vs-isrg.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/adx-vs-isrg/)
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Related comparisons
Hubs: ADX correlations · ISRG correlations
