GraniteShares YieldBOOST COIN ETF (COYY) Performance

NASDAQ: COYYTotal returns, calendar years, drawdowns and risk since 2025.

COYY total return

Distributions reinvested · as of Oct 23, 2026
YTD
−38.4%
since Dec 31, 2025
1 year
−53.0%
total return
Since first price
−62.4%
since 2025

COYY trailing returns vs SPY, QQQ, AGG

COYY trailing returns
PeriodCOYY total returnPrice onlyS&P 500 (SPY)Nasdaq-100 (QQQ)U.S. bonds (AGG)
1 month−7.2%−12.8%−1.0%−5.0%+0.9%
3 months−11.6%−26.1%+3.2%+1.9%−0.4%
6 months−20.6%−45.9%+7.8%+8.4%−1.5%
YTD−38.4%−71.7%+12.3%+15.1%−1.0%
1 year−53.0%−83.8%+14.4%+15.9%−1.1%
Since inceptionJul 29, 2025−62.4%−91.0%———

Total return from adjusted closes (distributions reinvested, before tax). Periods of 3 years or more are also shown annualized. Price only excludes distributions.

Growth of $10,000: COYY vs SPY

COYYS&P 500 (SPY)

From Jul 29, 2025: COYY grew to $3,760, SPY to $12,126.

Year-end values with distributions reinvested, no taxes or trading costs. Start: first common trading day of both funds.

COYY returns by calendar year

COYYSPY

2026 is year to date.

COYY annual returns table

COYY calendar-year returns
YearCOYYLargest dropSPYQQQAGG
2026YTD−38.4%−42.7%+12.3%+15.1%−1.0%

Largest drop = deepest fall from a high within that calendar year.

Calendar-year return vs largest drop within the year

Calendar-year returnLargest drop within the year

Most years include a sizable fall at some point even when the year ends higher.

COYY largest drawdowns

Now 63.7% below the high
COYY largest drawdowns
PeakDeclineBottomRecoveredFallUnderwater
Jul 31, 2025−63.7%Oct 23, 2026not yet1.2 years1.2 years so far

Declines from a closing high (distributions reinvested) of 10% or more. Underwater = time from the peak until the old high was regained.

COYY risk statistics

COYY risk statistics
StatisticSince 2025
Annualized return−56.3%
Volatility (annualized)23.2%
Sharpe ratio-3.49
Sortino ratio-2.51
Best month+2.6%
Worst month−17.3%
Best 12 months−55.1%
Worst 12 months−60.3%
Positive months21%
Beta vs S&P 500—
Correlation with S&P 500—

From monthly total returns. Sharpe and Sortino use 1–3 month T-bills (BIL) as the risk-free rate, so they need history from 2007 on.

COYY rolling returns

COYY rolling returns
Holding periodPeriodsWorstMedianBestPositive
1-year4−60.3%−57.2%−55.1%0%

Every holding period starting at a month-end since 2025. Returns for 3 years and longer are annualized.

COYY performance overview

GraniteShares YieldBOOST COIN ETF (COYY) returned −53.0% over the past year, with distributions reinvested. Since its first recorded price on Jul 29, 2025 it has returned −62.4%. Over the same year S&P 500 (SPY) returned +14.4%.

The deepest decline was −63.7%, from Jul 31, 2025 to Oct 23, 2026; the fund has not yet regained that high. Volatility has been 23.2% a year.

Related: COYY chart, COYY dividends. See the COYY overview for the latest quote and fund facts.

COYY performance FAQ

What is the COYY return over the past year?

COYY returned −53.0% over the 12 months to October 23, 2026, including reinvested distributions. On price alone it fell 83.8%.

How much would $10,000 invested in COYY be worth?

$10,000 invested in COYY at its first recorded close on July 29, 2025 would be worth about $3,760 on October 23, 2026 with distributions reinvested.

What is the biggest drawdown of COYY?

The largest peak-to-trough decline was −63.7% between July 31, 2025 and October 23, 2026. It has not yet recovered to that high; it is 63.7% below its peak.

How volatile is COYY?

Over the past history COYY had an annualized volatility of 23.2% and a Sharpe ratio of -3.49 (excess return over 1–3 month T-bills per unit of risk).