BIGY vs IOO
YieldMax Target 12 Big 50 Option Income ETF against iShares Global 100 ETF: cost, size, returns, what they hold and how much of it is the same.
Overlap by weight
61%
26 shared positions
Fee gap
69 bp
IOO is cheaper
1-year return gap
19.0 pts
IOO is ahead
Larger fund
IOO
$9.4B
Side by side
| BIGY | IOO | |
|---|---|---|
| Fund | YieldMax Target 12 Big 50 Option Income ETF | iShares Global 100 ETF |
| Issuer | YieldMax | iShares |
| Category | Covered Call | Global |
| Expense ratio | 1.09% | 0.40% |
| Assets | $34M | $9.4B |
| Average daily dollar volume | $439K | $25M |
| Listed | Nov 20, 2024 | Dec 5, 2000 |
| FrenzyCap score | 21 | 72 |
| 1-month return | +2.3% | +2.3% |
| 3-month return | +1.0% | +5.6% |
| Year to date | +0.8% | +15.2% |
| 1-year return | +0.7% | +19.7% |
| 30-day volatility | 10.3% | 11.2% |
| Worst drawdown, 1 year | −12.7% | −9.9% |
| Trailing 12-month yield | 11.91% | 0.80% |
| Holdings | 166 | 116 |
| Top 10 weight | 59.8% | 60.0% |
| Look-through P/E | 29.1 | 26.8 |
| Holdings vs fair value | −4.1% | −1.4% |
| Holdings above 200-day average | 82% | 84% |
| Net flow, latest 3 reported months | +$29M thru Jul 2026 | −$108M thru Jun 2026 |
| 30-day implied volatility | 14.8% | 13.8% |
| Holdings as of | as of Oct 12, 2026issuer data | as of Oct 8, 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
66% of BIGY · 70% of IOO| Holding | BIGY | IOO |
|---|---|---|
| MSFT | 8.84% | 9.30% |
| AAPL | 8.51% | 11.90% |
| NVDA | 8.43% | 13.36% |
| AMZN | 6.38% | 5.97% |
| GOOGL | 8.67% | 4.90% |
| AVGO | 3.83% | 4.11% |
| LLY | 2.52% | 2.24% |
| JPM | 2.03% | 2.11% |
| XOM | 1.60% | 1.66% |
| JNJ | 1.45% | 1.48% |
| INTC | 1.25% | 1.28% |
| WMT | 2.04% | 1.18% |
| MA | 1.17% | 1.11% |
| CSCO | 1.05% | 1.08% |
| CVX | 0.96% | 1.00% |
| CAT | 0.83% | 0.88% |
| KO | 0.86% | 0.81% |
| MRK | 0.81% | 0.84% |
| PG | 0.79% | 0.84% |
| GE | 0.72% | 0.76% |
| PM | 0.71% | 0.75% |
| GS | 0.62% | 0.62% |
| TXN | 0.58% | 0.63% |
| TMO | 0.55% | 0.58% |
| MS | 0.68% | 0.54% |
Sector mix of the stock holdings
| Sector | BIGY | IOO | Gap |
|---|---|---|---|
| Technology | 61.8% | 53.7% | +8.1% |
| Consumer Discretionary | 13.5% | 8.1% | +5.4% |
| Health Care | 7.2% | 6.7% | +0.5% |
| Industrials | 5.8% | 6.1% | −0.3% |
| Financials | 4.8% | 5.5% | −0.7% |
| Energy | 2.6% | 4.2% | −1.6% |
| Consumer Staples | 2.4% | 3.0% | −0.6% |
| Materials | 0.0% | 1.7% | −1.7% |
| Communication Services | 0.7% | 0.0% | +0.7% |
| Utilities | 0.0% | 0.2% | −0.2% |
| Real Estate | 0.0% | 0.2% | −0.2% |
More: full overlap table · BIGY holdings · IOO 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.