MSTY Performance — YieldMax MSTR Option Income Strategy ETF
Data updated: 2026-09-28
MSTY returned −32.80% year to date and −70.54% over one year to Jul 2026. Over one year the fund trailed its US Multi-Cap Value category average: $100 grew to $29, against $110 for the category. Volatility over the past 12 months was 60.50% a year. In the 12 months to Jul 2026 the fund lost a net $204.1M, and assets reached $756.67M.
MSTY Growth of $100
What $100 invested in YieldMax MSTR Option Income Strategy ETF grew to, compounded from monthly returns reported on SEC Form N-PORT, against the US Multi-Cap Value category average over the same months.
| Period | MSTY | Category average |
|---|---|---|
| 1 year (Aug 2025 – Jul 2026) | $29 | $110 |
| Since data start (Feb 2024 – Jul 2026) | $127 | $132 |
MSTY Trailing Returns
Total returns to Jul 2026, from SEC N-PORT.
| Period | Total return |
|---|---|
| YTD | −32.80% |
| 1 year | −70.54% |
| 3 years (annualised) | +10.20% |
MSTY Annual Returns
Calendar-year total returns of YieldMax MSTR Option Income Strategy ETF, compounded from monthly SEC N-PORT returns. Partial years show the months covered.
| Year | Total return |
|---|---|
| 2026 (Jan–Jul) | −32.80% |
| 2025 | −41.77% |
| 2024 (Feb–Dec) | +225.77% |
MSTY Monthly Returns
Monthly total returns as reported on SEC Form N-PORT.
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | −1.6% | −10.5% | −1.2% | +26.1% | −3.8% | −41.8% | +9.5% | — | — | — | — | — |
| 2025 | +10.3% | −18.7% | +8.3% | +28.6% | −2.6% | +10.2% | −0.9% | −15.1% | −3.2% | −15.0% | −30.5% | −9.8% |
| 2024 | — | +25.6% | +69.8% | −27.4% | +26.6% | −5.0% | +13.8% | −13.7% | +18.1% | +33.3% | +32.6% | −14.7% |
MSTY Risk
Risk measures from monthly returns over Aug 2025 – Jul 2026.
- 1-year volatility (annualised): 60.50%
- Best month: +26.10% (Apr 2026)
- Worst month: −41.84% (Jun 2026)
MSTY Fund Flows
Monthly money in and out of YieldMax MSTR Option Income Strategy ETF, from SEC Form N-PORT.
- 12-month net flow: −$204.1M
- 12-month gross sales (incl. reinvestments): $1.6B
- Sales ÷ redemptions: 0.88×
| Month | Sales | Redemptions | Net flow |
|---|---|---|---|
| Jul 2026 | $42.4M | $3.5M | $38.9M |
| Jun 2026 | $34.6M | $35.6M | −$982K |
| May 2026 | $192.6M | $2.8M | $189.8M |
| Apr 2026 | $45.4M | $26.4M | $19.0M |
| Mar 2026 | $102.5M | $0 | $102.5M |
| Feb 2026 | $29.3M | $74.6M | −$45.3M |
| Jan 2026 | $114.7M | $83.5M | $31.2M |
| Dec 2025 | $795K | $232.2M | −$231.4M |
| Nov 2025 | $113.4M | $257.3M | −$143.9M |
| Oct 2025 | $133.4M | $308.2M | −$174.8M |
| Sep 2025 | $246.1M | $349.0M | −$102.9M |
| Aug 2025 | $509.0M | $395.1M | $113.9M |
MSTY Assets Under Management
Net assets of YieldMax MSTR Option Income Strategy ETF by report date, from SEC N-PORT filings.
| Report date | Net assets |
|---|---|
| 2026-07-31 | $756.67M |
| 2026-04-30 | $1.24B |
| 2026-01-31 | $1.28B |
| 2025-10-31 | $3.06B |
| 2025-07-31 | $5.75B |
| 2025-04-30 | $3.27B |
| 2025-01-31 | $1.95B |
| 2024-10-31 | $811.97M |
| 2024-07-31 | $436.75M |
| 2024-04-30 | $90.01M |
For information only. Not investment advice: figures are as reported in SEC filings and may contain errors or be out of date. Past performance does not guarantee future results.