BUCK vs. PFIX

Last updated Apr 1, 2026

Compare and contrast key facts about Simplify Stable Income ETF (BUCK) and Simplify Interest Rate Hedge ETF (PFIX).

BUCK and PFIX are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. BUCK is an actively managed fund by Simplify. It was launched on Oct 27, 2022. PFIX is an actively managed fund by Simplify. It was launched on May 10, 2021.

Performance

BUCK vs. PFIX - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Simplify Stable Income ETF (BUCK) and Simplify Interest Rate Hedge ETF (PFIX). The values are adjusted to include any dividend payments, if applicable.

BUCK vs. PFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
BUCK Simplify Stable Income ETF	0.97%	4.13%	7.25%	4.63%	0.39%
PFIX Simplify Interest Rate Hedge ETF	-2.90%	0.42%	35.94%	5.67%	-6.31%

Returns By Period

In the year-to-date period, BUCK achieves a 0.97% return, which is significantly higher than PFIX's -2.90% return.

BUCK

• 1D: 0.02%
• 1M: 0.13%
• YTD: 0.97%
• 6M: 2.27%
• 1Y: 2.66%
• 3Y*: 5.30%
• 5Y*: —
• 10Y*: —

PFIX

• 1D: -3.95%
• 1M: 11.53%
• YTD: -2.90%
• 6M: 2.03%
• 1Y: 4.58%
• 3Y*: 17.99%
• 5Y*: —
• 10Y*: —

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

BUCK vs. PFIX - Expense Ratio Comparison

BUCK has a 0.35% expense ratio, which is lower than PFIX's 0.50% expense ratio.

PFIX

Simplify Interest Rate Hedge ETF

BUCK

Simplify Stable Income ETF

Return for Risk

BUCK vs. PFIX — Risk / Return Rank

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

BUCK

BUCK Risk / Return Rank: 27
BUCK Sharpe Ratio Rank: 31
BUCK Sortino Ratio Rank: 26
BUCK Omega Ratio Rank: 30
BUCK Calmar Ratio Rank: 25
BUCK Martin Ratio Rank: 23

PFIX

PFIX Risk / Return Rank: 16
PFIX Sharpe Ratio Rank: 16
PFIX Sortino Ratio Rank: 19
PFIX Omega Ratio Rank: 17
PFIX Calmar Ratio Rank: 14
PFIX Martin Ratio Rank: 14

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.

BUCK vs. PFIX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Simplify Stable Income ETF (BUCK) and Simplify Interest Rate Hedge ETF (PFIX). 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.

	BUCK	PFIX	Difference
Sharpe ratio Return per unit of total volatility	0.55	0.13	+0.42
Sortino ratio Return per unit of downside risk	0.72	0.46	+0.26
Omega ratio Gain probability vs. loss probability	1.12	1.05	+0.07
Calmar ratio Return relative to maximum drawdown	0.51	0.10	+0.40
Martin ratio Return relative to average drawdown	1.35	0.17	+1.18
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

BUCK vs. PFIX - Sharpe Ratio Comparison

The current BUCK Sharpe Ratio is 0.55, which is higher than the PFIX Sharpe Ratio of 0.13. The chart below compares the historical Sharpe Ratios of BUCK and PFIX, offering insights into how both investments have performed under varying market conditions. These values are calculated using daily returns over the previous 12 months.

Sharpe Ratios by Period

	BUCK	PFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.55	0.13	+0.42
Sharpe Ratio (All Time) Calculated using the full available price history	1.44	0.40	+1.04

Correlation

The correlation between BUCK and PFIX is -0.16. This indicates that the assets' prices tend to move in opposite directions. Negative correlation can be particularly beneficial for diversification and risk management, as one asset may offset the losses of the other during market fluctuations.

Dividends

BUCK vs. PFIX - Dividend Comparison

BUCK's dividend yield for the trailing twelve months is around 7.57%, less than PFIX's 10.17% yield.

	TTM	2025	2024	2023	2022	2021
BUCK Simplify Stable Income ETF	7.57%	7.59%	8.84%	4.84%	0.59%	0.00%
PFIX Simplify Interest Rate Hedge ETF	10.17%	9.92%	3.40%	87.92%	0.63%	0.00%

Drawdowns

BUCK vs. PFIX - Drawdown Comparison

The maximum BUCK drawdown since its inception was -5.43%, smaller than the maximum PFIX drawdown of -36.17%. Use the drawdown chart below to compare losses from any high point for BUCK and PFIX.

Drawdown Indicators

	BUCK	PFIX	Difference
Max Drawdown Largest peak-to-trough decline	-5.43%	-36.17%	+30.74%
Max Drawdown (1Y) Largest decline over 1 year	-5.43%	-28.22%	+22.79%
Current Drawdown Current decline from peak	-0.13%	-19.94%	+19.81%
Average Drawdown Average peak-to-trough decline	-0.52%	-17.07%	+16.55%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.04%	17.44%	-15.40%

Volatility

BUCK vs. PFIX - Volatility Comparison

The current volatility for Simplify Stable Income ETF (BUCK) is 0.33%, while Simplify Interest Rate Hedge ETF (PFIX) has a volatility of 13.71%. This indicates that BUCK experiences smaller price fluctuations and is considered to be less risky than PFIX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUCK	PFIX	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.33%	13.71%	-13.38%
Volatility (6M) Calculated over the trailing 6-month period	1.68%	20.26%	-18.58%
Volatility (1Y) Calculated over the trailing 1-year period	4.83%	35.00%	-30.17%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.55%	38.75%	-35.20%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.55%	38.75%	-35.20%