SOFR vs. SPY

Last updated Jun 4, 2026

SOFR (Amplify Samsung SOFR ETF) and SPY (State Street SPDR S&P 500 ETF) are both exchange-traded funds - SOFR is a Multisector Bonds fund tracking the Secured Overnight Financing Rate, while SPY is a S&P 500 fund tracking the S&P 500 Index. Both are passively managed. Over the past year, SOFR returned 3.90% vs 27.98% for SPY. At a 0.04 correlation, their price movements are largely independent. SOFR charges 0.20%/yr vs 0.09%/yr for SPY.

Performance

SOFR vs. SPY - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Amplify Samsung SOFR ETF (SOFR) 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, SOFR achieves a 1.45% return, which is significantly lower than SPY's 10.91% return.

SOFR

• 1D: 0.00%
• 1M: 0.25%
• YTD: 1.45%
• 6M: 1.76%
• 1Y: 3.90%
• 3Y*: —
• 5Y*: —
• 10Y*: —

SPY

• 1D: -0.70%
• 1M: 5.05%
• YTD: 10.91%
• 6M: 10.91%
• 1Y: 27.98%
• 3Y*: 22.35%
• 5Y*: 13.83%
• 10Y*: 15.49%

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

SOFR vs. SPY - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SOFR Amplify Samsung SOFR ETF	1.45%	4.27%	1.20%
SPY State Street SPDR S&P 500 ETF	10.91%	17.72%	2.75%

Correlation

The correlation between SOFR and SPY is -0.04, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.04
Correlation (All Time) Calculated using the full available price history since Sep 27, 2024	0.04

Return for Risk

SOFR vs. SPY — Risk / Return Rank

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

SOFR

SOFR Risk / Return Rank: 97
SOFR Sharpe Ratio Rank: 97
SOFR Sortino Ratio Rank: 98
SOFR Omega Ratio Rank: 99
SOFR Calmar Ratio Rank: 96
SOFR Martin Ratio Rank: 96

SPY

SPY Risk / Return Rank: 70
SPY Sharpe Ratio Rank: 71
SPY Sortino Ratio Rank: 69
SPY Omega Ratio Rank: 70
SPY Calmar Ratio Rank: 62
SPY Martin Ratio Rank: 75

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.

SOFR vs. SPY - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Amplify Samsung SOFR ETF (SOFR) 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.

	SOFR	SPY	Difference
Sharpe ratio: Return per unit of total volatility	4.66	2.38	+2.28
Sortino ratio: Return per unit of downside risk	6.86	3.24	+3.62
Omega ratio: Gain probability vs. loss probability	3.35	1.43	+1.92
Calmar ratio: Return relative to maximum drawdown	9.64	3.16	+6.48
Martin ratio: Return relative to average drawdown	39.82	14.72	+25.10
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SOFR vs. SPY - Sharpe Ratio Comparison

The current SOFR Sharpe Ratio is 4.66, which is higher than the SPY Sharpe Ratio of 2.38. The chart below compares the historical Sharpe Ratios of SOFR 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.

Sharpe Ratios by Period

	SOFR	SPY	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	4.66	2.38	+2.28
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.82	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	0.87	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.96	0.59	+4.37

Drawdowns

SOFR vs. SPY - Drawdown Comparison

The maximum SOFR drawdown since its inception was -0.41%, smaller than the maximum SPY drawdown of -55.19%. Use the drawdown chart below to compare losses from any high point for SOFR and SPY.

Drawdown Indicators

	SOFR	SPY	Difference
Max Drawdown Largest peak-to-trough decline	-0.41%	-55.19%	+54.78%
Max Drawdown (1Y) Largest decline over 1 year	-0.41%	-8.88%	+8.47%
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	-0.14%	-0.70%	+0.56%
Average Drawdown Average peak-to-trough decline	-0.03%	-9.05%	+9.02%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.10%	1.91%	-1.81%

Volatility

SOFR vs. SPY - Volatility Comparison

The current volatility for Amplify Samsung SOFR ETF (SOFR) is 0.24%, while State Street SPDR S&P 500 ETF (SPY) has a volatility of 2.84%. This indicates that SOFR experiences smaller price fluctuations and is considered to be less risky than SPY based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SOFR	SPY	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.24%	2.84%	-2.60%
Volatility (6M) Calculated over the trailing 6-month period	0.55%	8.90%	-8.35%
Volatility (1Y) Calculated over the trailing 1-year period	0.84%	11.83%	-10.99%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	0.84%	17.05%	-16.21%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	0.84%	17.94%	-17.10%

SOFR vs. SPY - Expense Ratio Comparison

SOFR has a 0.20% expense ratio, which is higher than SPY's 0.09% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

SOFR vs. SPY - Dividend Comparison

SOFR's dividend yield for the trailing twelve months is around 3.95%, more than SPY's 0.98% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016	2015
SOFR Amplify Samsung SOFR ETF	3.95%	4.22%	1.60%	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	0.98%	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 SOFR and SPY in my portfolio?

SOFR and SPY have a correlation of -0.04, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, SOFR or SPY?

SPY has higher volatility (2.84%) compared to SOFR (0.24%). In terms of maximum drawdown, SOFR dropped -0.41% vs SPY's -55.19%.

Which ETF is better, SOFR or SPY?

On 1-year performance, SPY leads with 27.98% vs 3.90% for SOFR. On fees, SPY is cheaper at 0.09% per year. On volatility, SOFR has been the lower-risk option at 0.24%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, SOFR or SPY?

Over the 1-year period, SPY has performed better with a 27.98% return vs 3.90%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, SOFR or SPY?

SPY is cheaper with a 0.09% expense ratio, compared with 0.20% for SOFR.

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

SOFR has the higher dividend yield at 3.95%, compared with 0.98% for SPY.

What is the main difference between SOFR and SPY?

SOFR is categorized as Multisector Bonds, while SPY is S&P 500. SOFR tracks Secured Overnight Financing Rate, while SPY tracks S&P 500 Index. They also come from different issuers: Amplify and State Street. Their fees differ too: 0.20% for SOFR and 0.09% for SPY.

Which has better risk-adjusted returns?

SOFR currently has the higher Sharpe Ratio (4.66 vs 2.38), 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.