IYM vs UYM
iShares U.S. Basic Materials ETF against ProShares Ultra Materials: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
43%
14 shared positions
Fee gap
58 bp
IYM is cheaper
1-year return gap
0.7 pts
UYM is ahead
Larger fund
IYM
$1.3B
Side by side
| IYM | UYM | |
|---|---|---|
| Fund | iShares U.S. Basic Materials ETF | ProShares Ultra Materials |
| Issuer | iShares | ProShares |
| Category | Materials | Leveraged Equity |
| Expense ratio | 0.37% | 0.95% |
| Assets | $1.3B | $37M |
| Average daily dollar volume | $40M | $188K |
| Listed | Jun 12, 2000 | Jan 30, 2007 |
| FrenzyCap score | 62 | 33 |
| 1-month return | −0.8% | +0.7% |
| 3-month return | +5.9% | +2.3% |
| Year to date | +18.8% | +19.3% |
| 1-year return | +22.9% | +23.6% |
| 30-day volatility | 15.8% | 28.7% |
| Worst drawdown, 1 year | −13.9% | −23.8% |
| Trailing 12-month yield | 1.26% | 1.13% |
| Holdings | 44 | 31 |
| Top 10 weight | 68.1% | 154.1% |
| Look-through P/E | 34.2 | 33.5 |
| Holdings vs fair value | +4.5% | +6.8% |
| Holdings above 200-day average | 75% | 70% |
| Net flow, latest 3 reported months | −$320M thru Jul 2026 | −$5.1M thru May 2026 |
| 30-day implied volatility | 20.9% | 38.8% |
| Holdings as of | as of Oct 15, 2026issuer data | as of Oct 16, 2026issuer data |
Returns are price returns and exclude distributions. Flows are each fund's own latest reported months and may not cover the same period.
Largest shared holdings
69% of IYM · 44% of UYM
Sector mix of the stock holdings
| Sector | IYM | UYM | Gap |
|---|---|---|---|
| Materials | 81.7% | 59.9% | +21.8% |
| Consumer Staples | 7.3% | 3.6% | +3.7% |
| Consumer Discretionary | 4.4% | 5.8% | −1.4% |
| Industrials | 4.5% | 1.9% | +2.6% |
| Financials | 2.0% | 0.0% | +2.0% |
More: full overlap table · IYM holdings · UYM holdings
Fund data comes from each fund's SEC filings and issuer disclosures and is shown with the date it is as of. SEC portfolio and flow filings become public about 60 days after the period they cover. Nothing here is investment advice; see Terms.