RBUF vs. BUFP

Last updated Jun 4, 2026

RBUF (Innovator U.S. Small Cap 10 Buffer ETF - Quarterly) and BUFP (PGIM Laddered S&P 500 Buffer 12 ETF) are both Defined Outcome funds. RBUF is actively managed, while BUFP is passively managed. Over the past year, RBUF returned 15.41% vs 17.24% for BUFP. A 0.77 correlation means they provide meaningful diversification when combined. RBUF charges 0.79%/yr vs 0.50%/yr for BUFP.

Performance

RBUF vs. BUFP - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Small Cap 10 Buffer ETF - Quarterly (RBUF) and PGIM Laddered S&P 500 Buffer 12 ETF (BUFP). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

The year-to-date returns for both stocks are quite close, with RBUF having a 6.49% return and BUFP slightly lower at 6.23%.

RBUF

• 1D: -0.03%
• 1M: 1.38%
• YTD: 6.49%
• 6M: 5.47%
• 1Y: 15.41%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUFP

• 1D: -0.22%
• 1M: 2.04%
• YTD: 6.23%
• 6M: 7.00%
• 1Y: 17.24%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

RBUF vs. BUFP - Yearly Performance Comparison

	2026 (YTD)	2025	2024
RBUF Innovator U.S. Small Cap 10 Buffer ETF - Quarterly	6.49%	10.88%	4.55%
BUFP PGIM Laddered S&P 500 Buffer 12 ETF	6.23%	12.92%	5.43%

Correlation

The correlation between RBUF and BUFP is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.75
Correlation (All Time) Calculated using the full available price history since Jul 2, 2024	0.77

The correlation between RBUF and BUFP has been stable across timeframes, ranging from 0.75 to 0.77 - a consistent structural relationship.

Return for Risk

RBUF vs. BUFP — Risk / Return Rank

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

RBUF

RBUF Risk / Return Rank: 84
RBUF Sharpe Ratio Rank: 77
RBUF Sortino Ratio Rank: 82
RBUF Omega Ratio Rank: 83
RBUF Calmar Ratio Rank: 88
RBUF Martin Ratio Rank: 91

BUFP

BUFP Risk / Return Rank: 86
BUFP Sharpe Ratio Rank: 84
BUFP Sortino Ratio Rank: 89
BUFP Omega Ratio Rank: 89
BUFP Calmar Ratio Rank: 77
BUFP Martin Ratio Rank: 91

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.

RBUF vs. BUFP - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Small Cap 10 Buffer ETF - Quarterly (RBUF) and PGIM Laddered S&P 500 Buffer 12 ETF (BUFP). 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.

	RBUF	BUFP	Difference
Sharpe ratio: Return per unit of total volatility	2.48	2.77	-0.29
Sortino ratio: Return per unit of downside risk	3.62	4.12	-0.51
Omega ratio: Gain probability vs. loss probability	1.49	1.58	-0.08
Calmar ratio: Return relative to maximum drawdown	5.00	3.93	+1.08
Martin ratio: Return relative to average drawdown	21.18	21.96	-0.78
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

RBUF vs. BUFP - Sharpe Ratio Comparison

The current RBUF Sharpe Ratio is 2.48, which is comparable to the BUFP Sharpe Ratio of 2.77. The chart below compares the historical Sharpe Ratios of RBUF and BUFP, 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

	RBUF	BUFP	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.48	2.77	-0.29
Sharpe Ratio (All Time) Calculated using the full available price history	1.33	1.40	-0.06

Drawdowns

RBUF vs. BUFP - Drawdown Comparison

The maximum RBUF drawdown since its inception was -11.36%, smaller than the maximum BUFP drawdown of -11.98%. Use the drawdown chart below to compare losses from any high point for RBUF and BUFP.

Drawdown Indicators

	RBUF	BUFP	Difference
Max Drawdown Largest peak-to-trough decline	-11.36%	-11.98%	+0.62%
Max Drawdown (1Y) Largest decline over 1 year	-3.09%	-4.41%	+1.32%
Current Drawdown Current decline from peak	-0.03%	-0.22%	+0.19%
Average Drawdown Average peak-to-trough decline	-1.34%	-1.00%	-0.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.73%	0.79%	-0.06%

Volatility

RBUF vs. BUFP - Volatility Comparison

The current volatility for Innovator U.S. Small Cap 10 Buffer ETF - Quarterly (RBUF) is 0.74%, while PGIM Laddered S&P 500 Buffer 12 ETF (BUFP) has a volatility of 0.95%. This indicates that RBUF experiences smaller price fluctuations and is considered to be less risky than BUFP based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	RBUF	BUFP	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.74%	0.95%	-0.21%
Volatility (6M) Calculated over the trailing 6-month period	4.11%	4.82%	-0.71%
Volatility (1Y) Calculated over the trailing 1-year period	6.27%	6.27%	0.00%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	8.73%	9.49%	-0.76%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	8.73%	9.49%	-0.76%

RBUF vs. BUFP - Expense Ratio Comparison

RBUF has a 0.79% expense ratio, which is higher than BUFP's 0.50% expense ratio.

Dividends

RBUF vs. BUFP - Dividend Comparison

RBUF has not paid dividends to shareholders, while BUFP's dividend yield for the trailing twelve months is around 0.01%.

Position	TTM	2025	2024
BUFP PGIM Laddered S&P 500 Buffer 12 ETF	0.01%	0.01%	0.02%
RBUF Innovator U.S. Small Cap 10 Buffer ETF - Quarterly	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both RBUF and BUFP in my portfolio?

RBUF and BUFP have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, RBUF or BUFP?

BUFP has higher volatility (0.95%) compared to RBUF (0.74%). In terms of maximum drawdown, RBUF dropped -11.36% vs BUFP's -11.98%.

Which ETF is better, RBUF or BUFP?

On 1-year performance, BUFP leads with 17.24% vs 15.41% for RBUF. On fees, BUFP is cheaper at 0.50% per year. On volatility, RBUF has been the lower-risk option at 0.74%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, RBUF or BUFP?

Over the 1-year period, BUFP has performed better with a 17.24% return vs 15.41%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, RBUF or BUFP?

BUFP is cheaper with a 0.50% expense ratio, compared with 0.79% for RBUF.

Which ETF pays a higher dividend yield, RBUF or BUFP?

BUFP has the higher dividend yield at 0.01%, compared with 0.00% for RBUF.

What is the main difference between RBUF and BUFP?

They also come from different issuers: Innovator and PGIM. Their fees differ too: 0.79% for RBUF and 0.50% for BUFP.

Which has better risk-adjusted returns?

BUFP currently has the higher Sharpe Ratio (2.77 vs 2.48), 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.