APG vs IRTC: Correlation
Measured on weekly returns over the past three years, APi Group Corporation (APG) and iRhythm Holdings, Inc. (IRTC) carry a correlation of 0.38, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are APG and IRTC?
Over the past 3 years, APG and IRTC moved with a correlation of 0.38, which is moderate. The past 12 months show a weaker link (0.20) than the 3-year average (0.38). Over 5 years the correlation is 0.30, and the annualized covariance of weekly returns is 519.8 %².
IRTC is close to the least connected end of APG's tracked universe, ranking #9 of 12. Correlation aside, the last 12 months split them widely, with APG ahead by 45.0 points (+13.5% versus -31.5%). Risk is not evenly split, since IRTC carries 1.8 times the volatility of the other side.
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.
APG vs IRTC: side by side
| APG (APi Group Corporation) | IRTC (iRhythm Holdings, Inc.) | |
|---|---|---|
| 1-year return | +13.5% | -31.5% |
| 5-year return | +165.2% | +150.2% |
| Volatility (ann.) | 27.2% | 50.1% |
| Beta vs S&P 500 | 1.14 | 0.87 |
| Max drawdown (3Y) | -22.2% | -53.8% |
| Market cap | $17.8B | $3.8B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | APG | IRTC |
|---|---|---|
| 2022 | -27.0% | -20.4% |
| 2023 | +83.9% | +14.3% |
| 2024 | +4.0% | -15.8% |
| 2025 | +59.5% | +96.8% |
| 2026 | +7.8% | -34.4% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are APG and IRTC good diversifiers for each other?
Reasonably. At 0.38, APG and IRTC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between APG and IRTC?
Using weekly returns as of 2026-08-27: 0.38 over 3 years, with 0.20 over the last year and 0.30 over 5 years.
Is IRTC a good diversifier for APG?
Reasonably. At 0.38, APG and IRTC keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.38 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/apg-vs-irtc.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/apg-vs-irtc/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: APG correlations · IRTC correlations
