ISPY vs. FIYY

Last updated Jul 16, 2026

ISPY (ProShares S&P 500 High Income ETF) and FIYY (GraniteShares YieldBOOST 20Y+ Treasuries ETF) are both Derivative Income funds. ISPY is passively managed, while FIYY is actively managed. At a 0.36 correlation, their price movements are largely independent. ISPY charges 0.55%/yr vs 1.07%/yr for FIYY.

Performance

ISPY vs. FIYY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in ProShares S&P 500 High Income ETF (ISPY) and GraniteShares YieldBOOST 20Y+ Treasuries ETF (FIYY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

ISPY

• 1D: 0.35%
• 1M: 0.30%
• 6M: 8.15%
• YTD: 9.52%
• 1Y: 19.35%
• 3Y*: —
• 5Y*: —
• 10Y*: —

FIYY

• 1D: 0.02%
• 1M: -0.45%
• 6M: —
• YTD: —
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ISPY vs. FIYY - Yearly Performance Comparison

	2026 (YTD)
ISPY ProShares S&P 500 High Income ETF	5.52%
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	-1.83%

Correlation

The correlation between ISPY and FIYY is 0.36, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (All Time) Calculated using the full available price history since May 5, 2026	0.36

Return for Risk

ISPY vs. FIYY — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.

ISPY

ISPY Risk / Return Rank: 58
ISPY Sharpe Ratio Rank: 58
ISPY Sortino Ratio Rank: 54
ISPY Omega Ratio Rank: 57
ISPY Calmar Ratio Rank: 57
ISPY Martin Ratio Rank: 64

FIYY

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

The rank (0–100) shows how this investment's returns compare to the risk taken. Higher = better. Based on the past 12 months of data, combining Sharpe, Sortino, and other metrics used by quantitative funds and institutional investors.

ISPY vs. FIYY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for ProShares S&P 500 High Income ETF (ISPY) and GraniteShares YieldBOOST 20Y+ Treasuries ETF (FIYY). 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.

	ISPY	FIYY	Difference
Sharpe ratio: Return per unit of total volatility	1.58	—	—
Sortino ratio: Return per unit of downside risk	2.12	—	—
Omega ratio: Gain probability vs. loss probability	1.28	—	—
Calmar ratio: Return relative to maximum drawdown	2.31	—	—
Martin ratio: Return relative to average drawdown	9.17	—	—

Drawdowns

ISPY vs. FIYY - Drawdown Comparison

The maximum ISPY drawdown since its inception was -16.88%, which is greater than FIYY's maximum drawdown of -2.51%. Use the drawdown chart below to compare losses from any high point for ISPY and FIYY.

Drawdown Indicators

	ISPY	FIYY	Difference
Max Drawdown Largest peak-to-trough decline	-16.88%	-2.51%	-14.37%
Max Drawdown (1Y) Largest decline over 1 year	-8.43%	—	—
Current Drawdown Current decline from peak	-0.79%	-1.95%	+1.16%
Average Drawdown Average peak-to-trough decline	-2.08%	-1.49%	-0.59%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.12%	—	—

Volatility

Volatility by Period

	ISPY	FIYY	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.21%	—	—
Volatility (6M) Calculated over the trailing 6-month period	9.91%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	12.30%	5.00%	+7.30%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	13.72%	5.00%	+8.72%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	13.72%	5.00%	+8.72%

ISPY vs. FIYY - Expense Ratio Comparison

ISPY has a 0.55% expense ratio, which is lower than FIYY's 1.07% expense ratio.

Dividends

ISPY vs. FIYY - Dividend Comparison

ISPY's dividend yield for the trailing twelve months is around 4.62%, more than FIYY's 1.13% yield.

Position	TTM	2025	2024
FIYY GraniteShares YieldBOOST 20Y+ Treasuries ETF	1.13%	0.00%	0.00%
ISPY ProShares S&P 500 High Income ETF	4.62%	8.56%	9.84%

Frequently Asked Questions

Can I hold both ISPY and FIYY in my portfolio?

ISPY and FIYY have a correlation of 0.36, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, ISPY or FIYY?

On fees, ISPY is cheaper at 0.55% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, ISPY or FIYY?

ISPY is cheaper with a 0.55% expense ratio, compared with 1.07% for FIYY.

Which ETF pays a higher dividend yield, ISPY or FIYY?

ISPY has the higher dividend yield at 4.62%, compared with 1.13% for FIYY.

What is the main difference between ISPY and FIYY?

They also come from different issuers: ProShares and GraniteShares. Their fees differ too: 0.55% for ISPY and 1.07% for FIYY.