RFIX vs. SPY

Last updated Aug 2, 2026

RFIX (Simplify Bond Bull ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - RFIX is a Nontraditional Bonds fund actively managed by Simplify, while SPY is a S&P 500 fund tracking the S&P 500 Index. RFIX is actively managed, while SPY is passively managed. Over the past year, RFIX returned -15.77% vs 21.49% for SPY. Their 0.01 correlation means their historical movements had little consistent relationship. RFIX charges 0.50%/yr vs 0.09%/yr for SPY.

Performance

RFIX vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Simplify Bond Bull ETF (RFIX) and State Street SPDR S&P 500 ETF (SPY). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, RFIX achieves a 4.85% return, which is significantly lower than SPY's 10.13% return.

RFIX

• 1D: 0.12%
• 1M: -2.47%
• 6M: 5.09%
• YTD: 4.85%
• 1Y: -15.77%
• 3Y*: —
• 5Y*: —
• 10Y*: —
• ALL TIME*: -22.51%

SPY

• 1D: 0.72%
• 1M: 0.30%
• 6M: 8.53%
• YTD: 10.13%
• 1Y: 21.49%
• 3Y*: 19.32%
• 5Y*: 12.76%
• 10Y*: 15.07%
• ALL TIME*: 10.79%

*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)
RFIX Simplify Bond Bull ETF	$6.74M	$8.71M	$16.93M
SPY State Street SPDR S&P 500 ETF	$37.27B	$35.99B	$39.23B

RFIX vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
RFIX Simplify Bond Bull ETF	4.85%	-28.43%	-12.22%
SPY State Street SPDR S&P 500 ETF	10.13%	17.72%	-2.75%

Correlation

The correlation between RFIX and SPY is -0.01, meaning there was essentially no consistent relationship between their historical price movements. Each responded to its own set of market drivers.

	Correlation
Correlation (1Y) Focuses on recent behavior, but can change the most.	-0.01
Correlation (All Time) Calculated using the full available price history since Dec 10, 2024	0.01

Return for Risk

RFIX vs. SPY — Risk / Return Rank

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

RFIX

RFIX Risk / Return Rank: 4
RFIX Sharpe Ratio Rank: 5
RFIX Sortino Ratio Rank: 5
RFIX Omega Ratio Rank: 5
RFIX Calmar Ratio Rank: 4
RFIX Martin Ratio Rank: 3

SPY

SPY Risk / Return Rank: 67
SPY Sharpe Ratio Rank: 67
SPY Sortino Ratio Rank: 64
SPY Omega Ratio Rank: 65
SPY Calmar Ratio Rank: 64
SPY Martin Ratio Rank: 76

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.

RFIX vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Simplify Bond Bull ETF (RFIX) and State Street SPDR S&P 500 ETF (SPY). 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.

	RFIX	SPY	Difference
Sharpe ratio: Return per unit of total volatility	-0.50	1.52	-2.02
Sortino ratio: Return per unit of downside risk	-0.55	2.11	-2.67
Omega ratio: Gain probability vs. loss probability	0.94	1.27	-0.33
Calmar ratio: Return relative to maximum drawdown	-0.68	2.20	-2.88
Martin ratio: Return relative to average drawdown	-1.20	9.40	-10.60

RFIX vs. SPY - Sharpe Ratio Comparison

The current RFIX Sharpe Ratio is -0.50, which is lower than the SPY Sharpe Ratio of 1.52. The chart below compares the historical Sharpe Ratios of RFIX and SPY, 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

RFIX vs. SPY - Drawdown Comparison

The maximum RFIX drawdown since its inception was -38.79%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for RFIX and SPY.

Drawdown Indicators

	RFIX	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-38.79%	-55.19%	+16.40%
Max Drawdown (1Y) Largest decline over 1 year	-21.63%	-8.88%	-12.75%
Max Drawdown (3Y) Largest decline over 3 years	—	-18.76%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-24.50%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-33.72%	—
Current Drawdown Current decline from peak	-34.21%	-1.40%	-32.81%
Average Drawdown Average peak-to-trough decline	-24.89%	-9.01%	-15.88%
Ulcer Index Depth and duration of drawdowns from previous peaks	12.18%	2.08%	+10.10%

Volatility

RFIX vs. SPY - Volatility Comparison

Simplify Bond Bull ETF (RFIX) has a higher volatility of 6.23% compared to State Street SPDR S&P 500 ETF (SPY) at 3.58%. This indicates that RFIX's price experiences larger fluctuations and is considered to be riskier than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RFIX	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	6.23%	3.58%	+2.65%
Volatility (6M) Calculated over the trailing 6-month period	20.46%	10.14%	+10.32%
Volatility (1Y) Calculated over the trailing 1-year period	29.41%	12.89%	+16.52%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	30.63%	17.18%	+13.45%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	30.63%	17.95%	+12.68%

RFIX vs. SPY - Expense Ratio Comparison

RFIX has a 0.50% expense ratio, which is higher than SPY's 0.09% expense ratio.

Dividends

RFIX vs. SPY - Dividend Comparison

RFIX's dividend yield for the trailing twelve months is around 4.36%, more than SPY's 1.01% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
RFIX Simplify Bond Bull ETF	4.36%	5.07%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
SPY State Street SPDR S&P 500 ETF	1.01%	1.07%	1.21%	1.40%	1.65%	1.20%	1.52%	1.75%	2.04%	1.80%	2.03%	2.06%

Frequently Asked Questions

Can I hold both RFIX and SPY in my portfolio?

RFIX and SPY have a correlation of -0.01, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RFIX or SPY?

RFIX has higher volatility (6.23%) compared to SPY (3.58%). In terms of maximum drawdown, RFIX dropped -38.79% vs SPY's -55.19%.

Which ETF is better, RFIX or SPY?

On 1-year performance, SPY leads with 21.49% vs -15.77% for RFIX. On fees, SPY is cheaper at 0.09% per year. On volatility, SPY has been the lower-risk option at 3.58%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RFIX or SPY?

Over the 1-year period, SPY has performed better with a 21.49% return vs -15.77%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RFIX or SPY?

SPY is cheaper with a 0.09% expense ratio, compared with 0.50% for RFIX.

Which ETF pays a higher dividend yield, RFIX or SPY?

RFIX has the higher dividend yield at 4.36%, compared with 1.01% for SPY.

What is the main difference between RFIX and SPY?

RFIX is categorized as Nontraditional Bonds, while SPY is S&P 500. They also come from different issuers: Simplify and State Street. Their fees differ too: 0.50% for RFIX and 0.09% for SPY.

Which has better risk-adjusted returns?

SPY currently has the higher Sharpe Ratio (1.52 vs -0.50), 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.