BUFC vs. CPLS

Last updated Jun 24, 2026

BUFC (AB Conservative Buffer ETF) and CPLS (AB Core Plus Bond ETF) are both exchange-traded funds - BUFC is a Options Trading fund actively managed by AllianceBernstein, while CPLS is a Intermediate Core-Plus Bond fund actively managed by AllianceBernstein. Both are actively managed. Over the past year, BUFC returned 7.90% vs 4.31% for CPLS. At a 0.21 correlation, their price movements are largely independent. BUFC charges 0.69%/yr vs 0.33%/yr for CPLS.

Performance

BUFC vs. CPLS - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in AB Conservative Buffer ETF (BUFC) and AB Core Plus Bond ETF (CPLS). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, BUFC achieves a 2.49% return, which is significantly higher than CPLS's 0.57% return.

BUFC

• 1D: -0.36%
• 1M: -0.36%
• YTD: 2.49%
• 6M: 2.43%
• 1Y: 7.90%
• 3Y*: —
• 5Y*: —
• 10Y*: —

CPLS

• 1D: 0.10%
• 1M: 0.63%
• YTD: 0.57%
• 6M: 0.63%
• 1Y: 4.31%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

BUFC vs. CPLS - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023
BUFC AB Conservative Buffer ETF	2.49%	5.50%	10.81%	0.65%
CPLS AB Core Plus Bond ETF	0.57%	6.91%	1.65%	2.13%

Correlation

The correlation between BUFC and CPLS is 0.26, which is low. Their price movements are largely independent, making them effective diversification partners.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.26
Correlation (All Time) Calculated using the full available price history since Dec 13, 2023	0.21

Return for Risk

BUFC vs. CPLS — Risk / Return Rank

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

BUFC

BUFC Risk / Return Rank: 57
BUFC Sharpe Ratio Rank: 59
BUFC Sortino Ratio Rank: 59
BUFC Omega Ratio Rank: 63
BUFC Calmar Ratio Rank: 48
BUFC Martin Ratio Rank: 57

CPLS

CPLS Risk / Return Rank: 35
CPLS Sharpe Ratio Rank: 34
CPLS Sortino Ratio Rank: 34
CPLS Omega Ratio Rank: 31
CPLS Calmar Ratio Rank: 38
CPLS Martin Ratio Rank: 37

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.

BUFC vs. CPLS - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for AB Conservative Buffer ETF (BUFC) and AB Core Plus Bond ETF (CPLS). 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.

	BUFC	CPLS	Difference
Sharpe ratio: Return per unit of total volatility	1.82	1.12	+0.69
Sortino ratio: Return per unit of downside risk	2.55	1.69	+0.86
Omega ratio: Gain probability vs. loss probability	1.35	1.20	+0.15
Calmar ratio: Return relative to maximum drawdown	2.19	1.75	+0.44
Martin ratio: Return relative to average drawdown	9.27	5.23	+4.04

BUFC vs. CPLS - Sharpe Ratio Comparison

The current BUFC Sharpe Ratio is 1.82, which is higher than the CPLS Sharpe Ratio of 1.12. The chart below compares the historical Sharpe Ratios of BUFC and CPLS, 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

BUFC vs. CPLS - Drawdown Comparison

The maximum BUFC drawdown since its inception was -8.29%, which is greater than CPLS's maximum drawdown of -4.43%. Use the drawdown chart below to compare losses from any high point for BUFC and CPLS.

Drawdown Indicators

	BUFC	CPLS	Difference
Max Drawdown Largest peak-to-trough decline	-8.29%	-4.43%	-3.86%
Max Drawdown (1Y) Largest decline over 1 year	-3.62%	-2.47%	-1.15%
Current Drawdown Current decline from peak	-0.55%	-0.99%	+0.44%
Average Drawdown Average peak-to-trough decline	-0.75%	-1.23%	+0.48%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.85%	0.83%	+0.02%

Volatility

BUFC vs. CPLS - Volatility Comparison

AB Conservative Buffer ETF (BUFC) has a higher volatility of 1.62% compared to AB Core Plus Bond ETF (CPLS) at 1.09%. This indicates that BUFC's price experiences larger fluctuations and is considered to be riskier than CPLS based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	BUFC	CPLS	Difference
Volatility (1M) Calculated over the trailing 1-month period	1.62%	1.09%	+0.53%
Volatility (6M) Calculated over the trailing 6-month period	3.54%	2.95%	+0.59%
Volatility (1Y) Calculated over the trailing 1-year period	4.36%	3.87%	+0.49%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	5.64%	4.84%	+0.80%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	5.64%	4.84%	+0.80%

BUFC vs. CPLS - Expense Ratio Comparison

BUFC has a 0.69% expense ratio, which is higher than CPLS's 0.33% expense ratio.

Dividends

BUFC vs. CPLS - Dividend Comparison

BUFC has not paid dividends to shareholders, while CPLS's dividend yield for the trailing twelve months is around 4.61%.

Position	TTM	2025	2024	2023
BUFC AB Conservative Buffer ETF	0.00%	0.00%	0.00%	0.00%
CPLS AB Core Plus Bond ETF	4.61%	4.66%	4.71%	0.23%

Frequently Asked Questions

Can I hold both BUFC and CPLS in my portfolio?

BUFC and CPLS 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, BUFC or CPLS?

BUFC has higher volatility (1.62%) compared to CPLS (1.09%). In terms of maximum drawdown, BUFC dropped -8.29% vs CPLS's -4.43%.

Which ETF is better, BUFC or CPLS?

On 1-year performance, BUFC leads with 7.90% vs 4.31% for CPLS. On fees, CPLS is cheaper at 0.33% per year. On volatility, CPLS has been the lower-risk option at 1.09%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, BUFC or CPLS?

Over the 1-year period, BUFC has performed better with a 7.90% return vs 4.31%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, BUFC or CPLS?

CPLS is cheaper with a 0.33% expense ratio, compared with 0.69% for BUFC.

Which ETF pays a higher dividend yield, BUFC or CPLS?

CPLS has the higher dividend yield at 4.61%, compared with 0.00% for BUFC.

What is the main difference between BUFC and CPLS?

BUFC is categorized as Options Trading, while CPLS is Intermediate Core-Plus Bond. Their fees differ too: 0.69% for BUFC and 0.33% for CPLS.

Which has better risk-adjusted returns?

BUFC currently has the higher Sharpe Ratio (1.82 vs 1.12), 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.