COYY vs. SCUS

Last updated Aug 6, 2026

COYY (GraniteShares YieldBOOST COIN ETF) and SCUS (Schwab Ultra-Short Income ETF) are both exchange-traded funds - COYY is a Derivative Income fund actively managed by GraniteShares, while SCUS is a Ultrashort Bond fund actively managed by Charles Schwab. Both are actively managed. Over the past year, COYY returned -53.98% vs 3.89% for SCUS. Their -0.13 correlation means they have often moved in opposite directions in the past. COYY charges 1.07%/yr vs 0.14%/yr for SCUS.

Performance

COYY vs. SCUS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in GraniteShares YieldBOOST COIN ETF (COYY) and Schwab Ultra-Short Income ETF (SCUS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, COYY achieves a -32.81% return, which is significantly lower than SCUS's 2.10% return.

COYY

• 1D: -0.77%
• 1M: -2.05%
• 6M: -14.94%
• YTD: -32.81%
• 1Y: -53.98%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -59.04%

SCUS

• 1D: 0.02%
• 1M: 0.39%
• 6M: 1.75%
• YTD: 2.10%
• 1Y: 3.89%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: 4.37%

*Multi-year figures are annualized to reflect compound growth (CAGR)

Liquidity Comparison

Position	Avg. Volume Value (2W)	Avg. Volume Value (1M)	Avg. Volume Value (3M)
COYY GraniteShares YieldBOOST COIN ETF	$320.40K	$292.32K	$563.90K
SCUS Schwab Ultra-Short Income ETF	$3.13M	$2.75M	$2.91M

COYY vs. SCUS - Yearly Performance Comparison

	2026 (YTD)	2025
COYY GraniteShares YieldBOOST COIN ETF	-32.81%	-40.04%
SCUS Schwab Ultra-Short Income ETF	2.10%	1.99%

Correlation

The correlation between COYY and SCUS is -0.11, meaning they have often moved in opposite directions in the past. This relationship can weaken or reverse as market conditions change.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.11
Correlation (All Time) Calculated using the full available price history since Jul 29, 2025	-0.13

Return for Risk

COYY vs. SCUS — Risk / Return Rank

Compare historical risk-adjusted metric ranks over the past 12 months.

COYY

COYY Risk / Return Rank: 1
COYY Sharpe Ratio Rank: 0
COYY Sortino Ratio Rank: 0
COYY Omega Ratio Rank: 0
COYY Calmar Ratio Rank: 1
COYY Martin Ratio Rank: 2

SCUS

SCUS Risk / Return Rank: 99
SCUS Sharpe Ratio Rank: 99
SCUS Sortino Ratio Rank: 99
SCUS Omega Ratio Rank: 99
SCUS Calmar Ratio Rank: 99
SCUS Martin Ratio Rank: 99

The rank (0–100) uses a weighted average of the Sharpe, Sortino, Omega, Calmar, and Martin percentile ranks for the trailing 12 months. Higher means stronger historical risk-adjusted performance within the peer group.

COYY vs. SCUS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for GraniteShares YieldBOOST COIN ETF (COYY) and Schwab Ultra-Short Income ETF (SCUS). Risk-adjusted metrics are performance indicators that assess an investment's returns in relation to its risk, enabling a more accurate comparison of different investment options.

Values are calculated on a 1-year rolling basis and updated daily. Risk-adjusted metrics are more stable over longer periods — use the period switch above to explore them.

	COYY	SCUS	Difference
Sharpe ratio: Return per unit of total volatility	-1.67	5.72	-7.39
Sortino ratio: Return per unit of downside risk	-2.81	10.74	-13.55
Omega ratio: Gain probability vs. loss probability	0.67	2.52	-1.84
Calmar ratio: Return relative to maximum drawdown	-0.91	23.45	-24.36
Martin ratio: Return relative to average drawdown	-1.26	98.83	-100.10

COYY vs. SCUS - Sharpe Ratio Comparison

The current COYY Sharpe Ratio is -1.67, which is lower than the SCUS Sharpe Ratio of 5.72. The chart below compares the historical Sharpe Ratios of COYY and SCUS, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Drawdowns

COYY vs. SCUS - Drawdown Comparison

The maximum COYY drawdown since its inception was -60.85%, which is greater than SCUS's maximum drawdown of -0.17%. Use the drawdown chart below to compare losses from any high point for COYY and SCUS.

Drawdown Indicators

	COYY	SCUS	Difference
Max Drawdown Largest peak-to-trough decline	-60.85%	-0.17%	-60.68%
Max Drawdown (1Y) Largest decline over 1 year	-59.62%	-0.17%	-59.45%
Current Drawdown Current decline from peak	-60.44%	0.00%	-60.44%
Average Drawdown Average peak-to-trough decline	-39.14%	-0.02%	-39.12%
Ulcer Index Depth and duration of drawdowns from previous peaks	42.83%	0.04%	+42.79%

Volatility

COYY vs. SCUS - Volatility Comparison

GraniteShares YieldBOOST COIN ETF (COYY) has a higher volatility of 5.44% compared to Schwab Ultra-Short Income ETF (SCUS) at 0.19%. This indicates that COYY's price experiences larger fluctuations and is considered to be riskier than SCUS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	COYY	SCUS	Difference
Volatility (1M) Calculated over the trailing 1-month period	5.44%	0.19%	+5.25%
Volatility (6M) Calculated over the trailing 6-month period	18.18%	0.51%	+17.67%
Volatility (1Y) Calculated over the trailing 1-year period	33.05%	0.68%	+32.37%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	33.92%	0.70%	+33.22%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	33.92%	0.70%	+33.22%

COYY vs. SCUS - Expense Ratio Comparison

COYY has a 1.07% expense ratio, which is higher than SCUS's 0.14% expense ratio.

Dividends

COYY vs. SCUS - Dividend Comparison

COYY's dividend yield for the trailing twelve months is around 444.47%, more than SCUS's 3.87% yield.

Position	TTM	2025	2024
COYY GraniteShares YieldBOOST COIN ETF	444.47%	132.14%	0.00%
SCUS Schwab Ultra-Short Income ETF	3.87%	4.17%	1.62%

Frequently Asked Questions

Can I hold both COYY and SCUS in my portfolio?

COYY and SCUS have a correlation of -0.11, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, COYY or SCUS?

COYY has higher volatility (5.44%) compared to SCUS (0.19%). In terms of maximum drawdown, COYY dropped -60.85% vs SCUS's -0.17%.

Which ETF is better, COYY or SCUS?

On 1-year performance, SCUS leads with 3.89% vs -53.98% for COYY. On fees, SCUS is cheaper at 0.14% per year. On volatility, SCUS has been the lower-risk option at 0.19%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, COYY or SCUS?

Over the 1-year period, SCUS has performed better with a 3.89% return vs -53.98%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, COYY or SCUS?

SCUS is cheaper with a 0.14% expense ratio, compared with 1.07% for COYY.

Which ETF pays a higher dividend yield, COYY or SCUS?

COYY has the higher dividend yield at 444.47%, compared with 3.87% for SCUS.

What is the main difference between COYY and SCUS?

COYY is categorized as Derivative Income, while SCUS is Ultrashort Bond. They also come from different issuers: GraniteShares and Charles Schwab. Their fees differ too: 1.07% for COYY and 0.14% for SCUS.

Which has better risk-adjusted returns?

SCUS currently has the higher Sharpe Ratio (5.72 vs -1.67), meaning it's delivered slightly more return per unit of risk over the trailing 12 months. However, this ranking shifts over time - use the Risk/Return Score above for a more comprehensive view that combines Sharpe, Sortino, and other measures used by quantitative funds.