BIOY
GraniteShares YieldBOOST Biotech ETF
weekly DividendsAnnual Yield Calculations
WeeklyYield™ Actual Performance
How YTD & performance are calculated: YTD returns shown across WeeklyYield are price-only, using split-adjusted close-to-close prices from the first trading day of the calendar year to the latest close — the same method your brokerage uses. Dividends are tracked separately in the yield figures above. "Actual Non-DRIP" and "Actual DRIP" add distributions back in to show total return since the earliest price we have on record for this ETF. See full methodology →
Top Performer Score
Fund quality adjustment: ×0.40. Score is reduced for small AUM ($0.7M), young inception (2026-05-05), expense ratio 1.07%. Raw score before adjustment: 74.
Price History (1 Year)
About This ETF
The GraniteShares YieldBOOST Biotech ETF (BIOY) is an exchange-traded fund that mostly invests in health care equity. The fund is an actively managed fund seeking to provide weekly income. The fund strategy involves writing put options on a 3x daily leveraged ETF tied to the S&P Biotechnology Select Industry Index. BIOY was launched on May 5, 2026 and is issued by GraniteShares.
Dividend History
| Ex-Dividend Date | Cash Amount | Pay Date |
|---|---|---|
| 2026-07-10 | $0.26223 | 2026-07-14 |
| 2026-07-02 | $0.26013 | 2026-07-07 |
| 2026-06-26 | $0.27011 | 2026-06-30 |
| 2026-06-18 | $0.26647 | 2026-06-23 |
| 2026-06-12 | $0.26205 | 2026-06-16 |
| 2026-06-05 | $0.26760 | 2026-06-09 |
| 2026-05-29 | $0.27453 | 2026-06-02 |
| 2026-05-22 | $0.27580 | 2026-05-27 |
| 2026-05-15 | $0.29042 | 2026-05-19 |
| 2026-05-08 | $0.28187 | 2026-05-12 |
BIOY News
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Frequently Asked Questions About BIOY
BIOY pays weekly dividends. Its most recent ex-dividend date was 2026-07-10 with a pay date of 2026-07-14.
BIOY has paid an average of $0.2642 per share across its most recent 3 distributions. Its latest distribution was $0.2622 per share.
BIOY's current annualized yield is 58.20%. This is calculated as the average weekly payout multiplied by 52 and divided by the current share price of $23.43.
Covered call and option-income ETF distributions vary week to week. BIOY's actual total return figures on the fund's WeeklyYield page show total return net of NAV changes; high distribution rates can coincide with NAV decline, so investors should compare yield to actual total return before drawing conclusions. This is educational information, not investment advice.
Option-income ETF distributions are generally treated as ordinary income or return of capital, depending on the fund's structure and the underlying options strategy. For BIOY's exact tax character, refer to the fund issuer's 19a-1 notices and year-end 1099-DIV. This is not tax advice.
More detail on how these numbers are calculated is on our methodology page.