SYFI vs. BUFC

Last updated Apr 1, 2026

Compare and contrast key facts about AB Short Duration High Yield ETF (SYFI) and AB Conservative Buffer ETF (BUFC).

SYFI and BUFC are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. SYFI is an actively managed fund by AllianceBernstein. It was launched on Dec 7, 2011. BUFC is an actively managed fund by AllianceBernstein. It was launched on Dec 12, 2023.

Performance

SYFI vs. BUFC - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB Short Duration High Yield ETF (SYFI) and AB Conservative Buffer ETF (BUFC). The values are adjusted to include any dividend payments, if applicable.

SYFI vs. BUFC - Yearly Performance Comparison

	2026 (YTD)	2025	2024
SYFI AB Short Duration High Yield ETF	-0.16%	7.19%	4.97%
BUFC AB Conservative Buffer ETF	-1.68%	5.50%	5.27%

Returns By Period

In the year-to-date period, SYFI achieves a -0.16% return, which is significantly higher than BUFC's -1.68% return.

SYFI

• 1D: 0.94%
• 1M: -0.55%
• YTD: -0.16%
• 6M: 1.33%
• 1Y: 6.45%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUFC

• 1D: 1.03%
• 1M: -1.19%
• YTD: -1.68%
• 6M: 0.01%
• 1Y: 5.07%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

SYFI vs. BUFC - Expense Ratio Comparison

SYFI has a 0.40% expense ratio, which is lower than BUFC's 0.69% expense ratio.

BUFC

AB Conservative Buffer ETF

SYFI

AB Short Duration High Yield ETF

Return for Risk

SYFI vs. BUFC — Risk / Return Rank

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

SYFI

SYFI Risk / Return Rank: 76
SYFI Sharpe Ratio Rank: 73
SYFI Sortino Ratio Rank: 75
SYFI Omega Ratio Rank: 78
SYFI Calmar Ratio Rank: 67
SYFI Martin Ratio Rank: 84

BUFC

BUFC Risk / Return Rank: 42
BUFC Sharpe Ratio Rank: 36
BUFC Sortino Ratio Rank: 38
BUFC Omega Ratio Rank: 45
BUFC Calmar Ratio Rank: 38
BUFC Martin Ratio Rank: 53

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.

SYFI vs. BUFC - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Short Duration High Yield ETF (SYFI) and AB Conservative Buffer ETF (BUFC). 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.

	SYFI	BUFC	Difference
Sharpe ratio Return per unit of total volatility	1.35	0.70	+0.65
Sortino ratio Return per unit of downside risk	1.95	1.11	+0.85
Omega ratio Gain probability vs. loss probability	1.31	1.18	+0.13
Calmar ratio Return relative to maximum drawdown	1.77	0.99	+0.79
Martin ratio Return relative to average drawdown	9.93	5.24	+4.69
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SYFI vs. BUFC - Sharpe Ratio Comparison

The current SYFI Sharpe Ratio is 1.35, which is higher than the BUFC Sharpe Ratio of 0.70. The chart below compares the historical Sharpe Ratios of SYFI and BUFC, 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

	SYFI	BUFC	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	1.35	0.70	+0.65
Sharpe Ratio (All Time) Calculated using the full available price history	1.55	1.13	+0.42

Correlation

The correlation between SYFI and BUFC is 0.56, which is considered to be moderate. This suggests that the two assets have some degree of positive relationship in their price movements. Moderate correlation can be acceptable for portfolio diversification, offering a balance between risk and potential returns.

Dividends

SYFI vs. BUFC - Dividend Comparison

SYFI's dividend yield for the trailing twelve months is around 6.35%, while BUFC has not paid dividends to shareholders.

	TTM	2025	2024
SYFI AB Short Duration High Yield ETF	6.35%	6.20%	3.26%
BUFC AB Conservative Buffer ETF	0.00%	0.00%	0.00%

Drawdowns

SYFI vs. BUFC - Drawdown Comparison

The maximum SYFI drawdown since its inception was -4.49%, smaller than the maximum BUFC drawdown of -8.29%. Use the drawdown chart below to compare losses from any high point for SYFI and BUFC.

Drawdown Indicators

	SYFI	BUFC	Difference
Max Drawdown Largest peak-to-trough decline	-4.49%	-8.29%	+3.80%
Max Drawdown (1Y) Largest decline over 1 year	-3.64%	-5.29%	+1.65%
Current Drawdown Current decline from peak	-0.88%	-2.63%	+1.75%
Average Drawdown Average peak-to-trough decline	-0.37%	-0.78%	+0.41%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.65%	0.99%	-0.34%

Volatility

SYFI vs. BUFC - Volatility Comparison

AB Short Duration High Yield ETF (SYFI) and AB Conservative Buffer ETF (BUFC) have volatilities of 1.93% and 1.87%, respectively, indicating that both stocks experience similar levels of price fluctuations. This suggests that the risk associated with both stocks, as measured by volatility, is nearly the same. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	SYFI	BUFC	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.93%	1.87%	+0.06%
Volatility (6M) Calculated over the trailing 6-month period	2.42%	3.56%	-1.14%
Volatility (1Y) Calculated over the trailing 1-year period	4.81%	7.30%	-2.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	4.33%	5.77%	-1.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	4.33%	5.77%	-1.44%