BUCK vs. PFIX

Last updated Jun 4, 2026

BUCK (Simplify Treasury Option Income ETF) and PFIX (Simplify Interest Rate Hedge ETF) are both exchange-traded funds - BUCK is a Government Bonds fund actively managed by Simplify, while PFIX is a Hedge Fund fund actively managed by Simplify. Both are actively managed. Over the past 3 years, BUCK returned 5.27%/yr vs 14.54%/yr for PFIX. At a correlation of -0.15, they often move in opposite directions. BUCK charges 0.35%/yr vs 0.50%/yr for PFIX.

Performance

BUCK vs. PFIX - Performance Comparison

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

Returns By Period

In the year-to-date period, BUCK achieves a 1.90% return, which is significantly higher than PFIX's -2.55% return.

BUCK

• 1D: 0.02%
• 1M: 0.38%
• YTD: 1.90%
• 6M: 2.09%
• 1Y: 7.95%
• 3Y*: 5.27%
• 5Y*: —
• 10Y*: —

PFIX

• 1D: 0.36%
• 1M: -3.76%
• YTD: -2.55%
• 6M: 1.53%
• 1Y: -15.57%
• 3Y*: 14.54%
• 5Y*: 16.86%
• 10Y*: —

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

BUCK vs. PFIX - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022
BUCK Simplify Treasury Option Income ETF	1.90%	4.13%	7.25%	4.63%	0.39%
PFIX Simplify Interest Rate Hedge ETF	-2.55%	0.42%	35.94%	5.67%	-6.31%

Correlation

The correlation between BUCK and PFIX is -0.26, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.26
Correlation (3Y) Calculated over the trailing 3-year period	-0.18
Correlation (All Time) Calculated using the full available price history since Oct 31, 2022	-0.15

The correlation between BUCK and PFIX shifts across timeframes, from -0.26 (1 year) to -0.15 (all time), reflecting how their relationship changes across market environments.

BUCK vs. PFIX - Sectors Allocation Comparison

Sectors	BUCK	PFIX
Financial Services	100.0%	32.2%
Basic Materials	-	-
Communication Services	-	-
Consumer Cyclical	-	-
Consumer Defensive	-	-
Energy	-	-
Healthcare	-	-
Industrials	-	-
Real Estate	-	-
Technology	-	-
Utilities	-	-

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: 87
BUCK Sharpe Ratio Rank: 77
BUCK Sortino Ratio Rank: 84
BUCK Omega Ratio Rank: 86
BUCK Calmar Ratio Rank: 92
BUCK Martin Ratio Rank: 95

PFIX

PFIX Risk / Return Rank: 4
PFIX Sharpe Ratio Rank: 4
PFIX Sortino Ratio Rank: 4
PFIX Omega Ratio Rank: 4
PFIX Calmar Ratio Rank: 4
PFIX Martin Ratio Rank: 4

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 Treasury Option 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	2.54	-0.52	+3.06
Sortino ratio: Return per unit of downside risk	3.83	-0.58	+4.41
Omega ratio: Gain probability vs. loss probability	1.54	0.93	+0.61
Calmar ratio: Return relative to maximum drawdown	6.11	-0.61	+6.72
Martin ratio: Return relative to average drawdown	32.31	-0.96	+33.27
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 2.54, which is higher than the PFIX Sharpe Ratio of -0.52. The chart below compares the historical Sharpe Ratios of BUCK and PFIX, 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

	BUCK	PFIX	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.54	-0.52	+3.06
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.44	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.47	0.39	+1.08

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	-1.31%	-25.64%	+24.33%
Max Drawdown (3Y) Largest decline over 3 years	-5.43%	-36.17%	+30.74%
Max Drawdown (5Y) Largest decline over 5 years	—	-36.17%	—
Current Drawdown Current decline from peak	-0.04%	-19.65%	+19.61%
Average Drawdown Average peak-to-trough decline	-0.49%	-17.13%	+16.64%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.25%	16.35%	-16.10%

Volatility

BUCK vs. PFIX - Volatility Comparison

The current volatility for Simplify Treasury Option Income ETF (BUCK) is 0.70%, while Simplify Interest Rate Hedge ETF (PFIX) has a volatility of 7.51%. 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	0.70%	7.51%	-6.81%
Volatility (6M) Calculated over the trailing 6-month period	1.53%	20.89%	-19.36%
Volatility (1Y) Calculated over the trailing 1-year period	3.14%	30.32%	-27.18%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	3.49%	38.50%	-35.01%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	3.49%	38.35%	-34.86%

BUCK vs. PFIX - Expense Ratio Comparison

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

Dividends

BUCK vs. PFIX - Dividend Comparison

BUCK's dividend yield for the trailing twelve months is around 7.42%, less than PFIX's 9.96% yield.

Position	TTM	2025	2024	2023	2022	2021
BUCK Simplify Treasury Option Income ETF	7.42%	7.59%	8.84%	4.84%	0.59%	0.00%
PFIX Simplify Interest Rate Hedge ETF	9.96%	9.92%	3.40%	87.92%	0.63%	0.00%

Frequently Asked Questions

Can I hold both BUCK and PFIX in my portfolio?

BUCK and PFIX have a correlation of -0.26, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, BUCK or PFIX?

PFIX has higher volatility (7.51%) compared to BUCK (0.70%). In terms of maximum drawdown, BUCK dropped -5.43% vs PFIX's -36.17%.

Which ETF is better, BUCK or PFIX?

On 3-year performance, PFIX leads with 14.54% vs 5.27% for BUCK. On fees, BUCK is cheaper at 0.35% per year. On volatility, BUCK has been the lower-risk option at 0.70%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BUCK or PFIX?

Over the 3-year period, PFIX has performed better with a 14.54% return vs 5.27%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BUCK or PFIX?

BUCK is cheaper with a 0.35% expense ratio, compared with 0.50% for PFIX.

Which ETF pays a higher dividend yield, BUCK or PFIX?

PFIX has the higher dividend yield at 9.96%, compared with 7.42% for BUCK.

What is the main difference between BUCK and PFIX?

BUCK is categorized as Government Bonds, while PFIX is Hedge Fund. Their fees differ too: 0.35% for BUCK and 0.50% for PFIX.

Which has better risk-adjusted returns?

BUCK currently has the higher Sharpe Ratio (2.54 vs -0.52), 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.