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COYY · NASDAQ · ETF

GraniteShares YieldBOOST COIN ETF (COYY) Price, Holdings & Fees

$187.26−0.73%−$1.37End-of-day price as of Oct 9, 2026

GraniteShares YieldBOOST COIN ETF (COYY) closed at $187.26 on Oct 9, 2026, down 0.73% from the previous close of $188.63.

Share price, past year

1Y +5.21%

52-week range $176.89 – $207.98. Daily closing prices.
Monthly closing prices
Last closing price of each month
DateClose
Oct 9, 2026$187.26
Sep 30, 2026$191.87
Aug 31, 2026$188.17
Jul 31, 2026$178.83
Jun 30, 2026$195.91
May 29, 2026$202.22
Apr 30, 2026$200.72
Mar 31, 2026$196.74
Feb 27, 2026$201.12
Jan 30, 2026$196.58
Dec 31, 2025$194.73
Nov 28, 2025$193.80
Oct 31, 2025$192.47

Key statistics

Expense ratio
1.07%
as of Oct 31, 2025
Net assets
$21.1M
as of Jun 30, 2026
Holdings
8
as of Jun 30, 2026
52-week range
$176.89 – $207.98

GraniteShares YieldBOOST COIN ETF's expense ratio is 1.07%: $107.00 a year on $10,000 invested.

Holdings

GraniteShares YieldBOOST COIN ETF held 8 investments worth $21.11M as of Jun 30, 2026. Its largest holding was Treasury Bill, at 47.27% of the fund.

GraniteShares YieldBOOST COIN ETF largest holdings by share of net assets
#Holding% of fundValue
1Treasury Bill47.27%$9.98M
2Treasury Bill32.77%$6.92M
3The Options Clearing Corporation0.57%$119.59K
4The Options Clearing Corporation0.43%$90.78K
5The Options Clearing Corporation0.42%$89.58K
6The Options Clearing Corporation−0.67%−$142.31K
7The Options Clearing Corporation−1.05%−$222.12K
8The Options Clearing Corporation−1.80%−$380.73K

Top 8 of 8 holdings, as of Jun 30, 2026. Percentages are of the fund's net assets.

What the fund owns

GraniteShares YieldBOOST COIN ETF holdings by asset type
Asset type% of fund
Bonds and other debt80.05%
Derivatives−2.11%
GraniteShares YieldBOOST COIN ETF holdings by country, largest 1
Country% of fund
United States77.94%

Shares of net assets from the fund's N-PORT report. Funds that borrow can add up to more than 100%, with borrowing (such as repurchase agreements) shown as a negative share.

Monthly total returns

Over the 3 months to Jun 30, 2026, GraniteShares YieldBOOST COIN ETF's total return was +426.87%, as reported to the SEC.

GraniteShares YieldBOOST COIN ETF monthly total returns
MonthTotal return
Jun 30, 2026+445.59%
May 31, 2026−1.59%
Apr 30, 2026−1.87%

The fund's own total returns as reported to the SEC (N-PORT), including reinvested distributions. Not the sample prices above.

Fund profile

Name
GraniteShares YieldBOOST COIN ETF
Ticker
COYY
Exchange
NASDAQ
Fund type
ETF
Trust
GraniteShares ETF Trust
SEC series ID
S000086457
SEC CIK
0001689873
Fractional shares
No

Recent SEC filings

Shareholder reports and prospectuses are filed by GraniteShares ETF Trust, the trust behind GraniteShares YieldBOOST COIN ETF, and cover all of its funds.

Frequently asked questions

What is COYY's price?

GraniteShares YieldBOOST COIN ETF (COYY) closed at $187.26 on Oct 9, 2026, down 0.73% from the previous close of $188.63.

What is COYY's expense ratio?

GraniteShares YieldBOOST COIN ETF's expense ratio is 1.07%: $107.00 a year on $10,000 invested.

What does COYY hold?

GraniteShares YieldBOOST COIN ETF held 8 investments worth $21.11M as of Jun 30, 2026. Its largest holding was Treasury Bill, at 47.27% of the fund. Its five largest holdings were Treasury Bill, Treasury Bill, The Options Clearing Corporation, The Options Clearing Corporation, The Options Clearing Corporation.

How has COYY performed?

Over the 3 months to Jun 30, 2026, GraniteShares YieldBOOST COIN ETF's total return was +426.87%, as reported to the SEC.

Sources and methodology

Holdings, net assets and monthly returns come from the fund's N-PORT filing with the SEC, as of Jun 30, 2026 (filed Aug 31, 2026). The expense ratio is from the fund's prospectus or shareholder report, as of Oct 31, 2025. Prices are generated sample data for development. Data sources and disclosures