IWM vs SYM: Correlation
iShares Russell 2000 ETF (IWM) and Symbotic Inc. (SYM) show a moderate relationship: their 3-year correlation of weekly returns is 0.49.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are IWM and SYM?
Across a 3-year window, the weekly returns of IWM and SYM correlate at 0.49, moderate. The relationship has been stable: the 1-year correlation (0.45) sits close to the 3-year figure. Stretching to 5 years gives 0.26, with an annualized covariance of 834.6 %².
Among the 320 assets we track against IWM, SYM ranks #249 by 3-year correlation. Their recent paths diverged sharply: over the last 12 months IWM outperformed by 42.2 percentage points (+28.4% for IWM against -13.8% for SYM). Risk is not evenly split, since SYM carries 4.4 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.
IWM vs SYM: side by side
| IWM (iShares Russell 2000 ETF) | SYM (Symbotic Inc.) | |
|---|---|---|
| 1-year return | +28.4% | -13.8% |
| 5-year return | +41.5% | +324.6% |
| Volatility (ann.) | 19.8% | 86.6% |
| Beta vs S&P 500 | 1.06 | 2.49 |
| Max drawdown (3Y) | -27.5% | -69.9% |
| Market cap | – | $24.9B |
| P/E (trailing) | – | 1028.5 |
| Dividend yield | 0.91% | 0.00% |
| Expense ratio | 0.19% | – |
| Assets under management | $80.1B | – |
| Sector / category | ETF · US Small & Mid Cap | US Listed |
On the fund side, IWM sits in the Small Blend category at iShares, with $80.1B under management, 1757 holdings, a 0.19% expense ratio, a 0.91% trailing dividend yield.
Year-by-year returns
| Year | IWM | SYM |
|---|---|---|
| 2022 | -20.5% | +19.4% |
| 2023 | +16.8% | +329.9% |
| 2024 | +11.4% | -53.8% |
| 2025 | +12.7% | +150.9% |
| 2026 | +22.3% | -30.9% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are IWM and SYM good diversifiers for each other?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
FAQ
What is the correlation between IWM and SYM?
The IWM/SYM correlation stands at 0.49 on a 3-year window (1 year: 0.45, 5 years: 0.26), computed from weekly returns as of 2026-08-27.
Is SYM a good diversifier for IWM?
Yes, to a useful degree: a correlation of 0.49 leaves real independence between the two, which historically damped combined volatility.
What does a correlation of 0.49 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/iwm-vs-sym.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/iwm-vs-sym/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: IWM correlations · SYM correlations
