MUYY GraniteShares YieldBOOST MU ETF
Quote as of Oct 09, 2026 20:00 UTC · Market data delayed approximately 15–20 minutes unless otherwise indicated.
| Previous Close | 18.52 | Day Range | 18.09 – 18.55 |
| 52-Week Range | 18.09 – 26.81 | Volume | 35.12K |
| Avg Volume | 53.37K | AUM | $12.0M (Oct 10, 2026) |
| Expense Ratio | 1.07% | Yield (TTM) | 52.08% |
| NAV | 18.49 | Premium/Discount | -1.78% indicative |
| Inception | Apr 14, 2026 | Holdings | — |
| Issuer | GraniteShares | Exchange | NASDAQ |
| Category | Semiconductors | Index Tracked | Not stated in source data |
| CUSIP | 38747T690 | ISIN | US38747T6901 |
| Structure | Leveraged | ||
| Management | Actively managed (per issuer description) | ||
About this ETF
The GraniteShares YieldBOOST MU ETF (MUYY) is structured to generate weekly payouts through a put option writing strategy. This actively managed investment vehicle derives its exposure indirectly from MU-leveraged exchange-traded funds. At its core, the underlying company, Micron Technology, Inc., is a global producer of memory and storage semiconductor products, indispensable for computing, data centers, and mobile technologies worldwide. MUYY's objective is to deliver double the daily percentage movement of the MU ETF, though potential profits are inherently capped. Furthermore, regulatory risk constraints might necessitate adjustments to its investment approach. Investors should note that the fund offers no guarantee of success, nor does it involve direct investment in the MU ETF, potentially leaving losses unmitigated by option premiums. The underlying MU ETF itself targets twice the daily stock performance, with daily rebalancing and compounding effects significantly influencing its long-term returns. Given its singular focus on one underlying stock, MUYY's market exposure is heavily concentrated within the interactive media and services sector.
Description from the fund data provider · profile as of Oct 10, 2026.
Price Chart
Daily closing prices (price return, not total return). Comparison lines are normalized to percent change from the range start. Source: Financial Modeling Prep.
Performance
| 1M | 3M | 6M | YTD | 1Y | 3Y* | 5Y* | 10Y* | Incep.* | |
|---|---|---|---|---|---|---|---|---|---|
| Price return | -8.24% | -17.68% | — | — | — | — | — | — | -29.09% |
| Total return | -8.24% | -11.37% | — | — | — | — | — | — | -2.47% |
* Annualized. Total return uses the dividend-adjusted price series (distributions reinvested); price return uses unadjusted closes. Performance through Oct 09, 2026. Past performance does not guarantee future results.
Fees
| Net expense ratio | 1.07% | Annual cost of a $10,000 investment | $107.00 |
Illustrative calculation only: expense ratio × $10,000. It excludes trading costs, bid/ask spreads, taxes and changes in investment value. Gross vs. net expense details and any fee waivers are in the prospectus.
Holdings
Holdings as of Oct 10, 2026 · portfolio reporting date from the data provider; holdings are not live positions. 9 rows in database.
| # | Holding | Ticker | Weight | Shares | Market Value |
|---|---|---|---|---|---|
| 1 | US TBill 10/22/2026 | — | 42.04% | 5.00M | $5.0M |
| 2 | US TBill 02/04/2027 | — | 33.23% | 4.00M | $3.9M |
| 3 | US Dollars | — | 27.91% | 3.31M | $3.3M |
| 4 | 2MULL 10/14/2026 P23.79 | — | 3.02% | 3.24K | $358.3K |
| 5 | 2MULL 10/09/2026 P23.29 | — | 0.25% | 1.33K | $29.8K |
| 6 | 2MULL 10/12/2026 P22.82 | — | 0.15% | 370 | $17.8K |
| 7 | 2MULL 10/12/2026 P24.08 | — | -0.33% | -370 | -$38.8K |
| 8 | 2MULL 10/09/2026 P24.59 | — | -1.03% | -1.33K | -$122.0K |
| 9 | 2MULL 10/14/2026 P25.11 | — | -5.24% | -3.24K | -$622.7K |
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Distributions
| Yield (TTM) | 52.08% | Paid (last 12 months) | $9.4579 |
| Frequency | Weekly | SEC yield | Not provided by our data source; see the issuer page |
| Last ex-date | Oct 09, 2026 | Last payment | $0.2180 (Oct 14, 2026) |
| Growth 1Y | — | Growth 3Y / 5Y (ann.) | — / — |
| Ex-date | Record | Pay date | Amount |
|---|---|---|---|
| Oct 09, 2026 | Oct 09, 2026 | Oct 14, 2026 | $0.2180 |
| Oct 02, 2026 | Oct 02, 2026 | Oct 06, 2026 | $0.2166 |
| Sep 25, 2026 | Sep 25, 2026 | Sep 29, 2026 | $0.2191 |
| Sep 18, 2026 | Sep 18, 2026 | Sep 22, 2026 | $0.2080 |
| Sep 11, 2026 | Sep 11, 2026 | Sep 15, 2026 | $0.2313 |
| Sep 04, 2026 | Sep 04, 2026 | Sep 09, 2026 | $0.2318 |
| Aug 28, 2026 | Aug 28, 2026 | Sep 01, 2026 | $0.2699 |
| Aug 21, 2026 | Aug 21, 2026 | Aug 25, 2026 | $0.2691 |
| Aug 14, 2026 | Aug 14, 2026 | Aug 18, 2026 | $0.2645 |
| Aug 07, 2026 | Aug 07, 2026 | Aug 11, 2026 | $0.2657 |
| Jul 31, 2026 | Jul 31, 2026 | Aug 04, 2026 | $0.2718 |
| Jul 24, 2026 | Jul 24, 2026 | Jul 28, 2026 | $0.3513 |
Trailing distribution yield = last 12 months of cash ÷ current price. It is NOT the SEC 30-day yield and distributions are not guaranteed to continue. The difference explained →
Risk Statistics
Liquidity
| Volume today | 35.12K | Average volume | 53.37K |
| AUM | $12.0M | Premium/Discount | -1.78% |
| Bid/Ask spread | Not provided by our data source. Check your broker's quote screen; spreads are widest at the open and close. | ||
Premium/discount compares the delayed market price with the last reported NAV: an indicative figure, not the official closing premium/discount. How ETF liquidity works →
Fund Flows (estimated)
| Period | Est. net flow | % of starting AUM | AUM start → end |
|---|---|---|---|
| 1 Day | -$250.7K | -2.04% | $12.3M → $12.0M |
| 1 Month | $212.5K | +1.70% | $12.5M → $12.0M |
| 1 Week | $55.5K | +0.45% | $12.3M → $12.0M |
ETF Explorer estimate: change in reported AUM minus the market-move effect, from our own daily snapshots. Not official issuer creation/redemption data.
Official Fund Resources
External links open the issuer's site or SEC EDGAR in a new tab. The prospectus and official documents are always the authoritative source; review them before investing.
Latest News for MUYY
No articles mention this fund directly in the last 7 days; showing general ETF coverage.
Guided help: AUM is fund size. The expense ratio is the yearly cost baked into returns. NAV is the value of what the fund owns per share; the market price can sit slightly above (premium) or below (discount) it. Total return assumes distributions were reinvested. Every dataset shows its own as-of date because holdings, assets and quotes update on different schedules.