IWM vs XPER: Correlation
How closely do iShares Russell 2000 ETF (IWM) and Xperi Inc. (XPER) trade together? Their weekly returns over three years give a correlation of 0.55, which is moderate.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IWM and XPER?
Over the past 3 years, IWM and XPER moved with a correlation of 0.55, which is moderate. Little has changed lately, as the 1-year reading of 0.46 lands near the 3-year figure. Over 5 years the correlation is 0.40, and the annualized covariance of weekly returns is 474.6 %².
Within IWM's tracked universe of 320 assets, XPER comes in at #175 by 3-year correlation. Correlation aside, the last 12 months split them widely, with IWM ahead by 28.7 points (+28.4% versus -0.3%). One caveat on sizing: XPER is 2.2 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.
IWM vs XPER: side by side
| IWM (iShares Russell 2000 ETF) | XPER (Xperi Inc.) | |
|---|---|---|
| 1-year return | +28.4% | -0.3% |
| 5-year return | +41.5% | n/a |
| Volatility (ann.) | 19.8% | 43.6% |
| Beta vs S&P 500 | 1.06 | 1.29 |
| Max drawdown (3Y) | -27.5% | -57.6% |
| Market cap | – | $0.3B |
| P/E (trailing) | – | – |
| Dividend yield | 0.91% | 0.00% |
| Expense ratio | 0.19% | – |
| Assets under management | $80.1B | – |
| Sector / category | ETF · US Small & Mid Cap | US Listed |
IWM is a Small Blend fund from iShares: $80.1B under management, 1757 holdings, a 0.19% expense ratio, a 0.91% trailing dividend yield.
Year-by-year returns
| Year | IWM | XPER |
|---|---|---|
| 2022 | -20.5% | – |
| 2023 | +16.8% | +28.0% |
| 2024 | +11.4% | -6.8% |
| 2025 | +12.7% | -42.9% |
| 2026 | +22.3% | +3.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IWM and XPER good diversifiers for each other?
To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
FAQ
What is the correlation between IWM and XPER?
As of 2026-08-27, the correlation of weekly returns between IWM and XPER is 0.55 over 3 years, 0.46 over 1 year and 0.40 over 5 years.
Is XPER a good diversifier for IWM?
To a limited degree. At 0.55 the two still catch most of the same waves, so the pair smooths returns a little without insulating either from a shared selloff.
What does a correlation of 0.55 mean?
On the −1 to +1 scale, 0.55 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/iwm-vs-xper.json
Markdown for the live badge, attribution link included:
[](https://www.pairbook.io/pair/iwm-vs-xper/)
The core API is free. Terms and every endpoint in the API documentation.
Related comparisons
Hubs: IWM correlations · XPER correlations
