OCTB vs. RB

Last updated Jul 17, 2026

OCTB (Aptus October Buffer ETF) and RB (ProShares Russell 2000 Dynamic Daily Buffer ETF) are both Defined Outcome funds. OCTB is actively managed, while RB is passively managed. A 0.58 correlation means they provide meaningful diversification when combined. OCTB charges 0.25%/yr vs 0.58%/yr for RB.

Performance

OCTB vs. RB - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aptus October Buffer ETF (OCTB) and ProShares Russell 2000 Dynamic Daily Buffer ETF (RB). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OCTB achieves a 6.99% return, which is significantly lower than RB's 7.90% return.

OCTB

• 1D: -0.20%
• 1M: 0.66%
• 6M: 6.28%
• YTD: 6.99%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

RB

• 1D: -0.15%
• 1M: 1.02%
• 6M: 5.39%
• YTD: 7.90%
• 1Y: 18.24%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OCTB vs. RB - Yearly Performance Comparison

	2026 (YTD)	2025
OCTB Aptus October Buffer ETF	6.99%	2.37%
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	7.90%	6.96%

Correlation

The correlation between OCTB and RB is 0.58, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

	Correlation
Correlation (All Time) Calculated using the full available price history since Oct 14, 2025	0.58

Return for Risk

OCTB vs. RB — Risk / Return Rank

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

OCTB

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.

RB

RB Risk / Return Rank: 96
RB Sharpe Ratio Rank: 94
RB Sortino Ratio Rank: 96
RB Omega Ratio Rank: 95
RB Calmar Ratio Rank: 97
RB Martin Ratio Rank: 96

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.

OCTB vs. RB - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aptus October Buffer ETF (OCTB) and ProShares Russell 2000 Dynamic Daily Buffer ETF (RB). 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.

	OCTB	RB	Difference
Sharpe ratio: Return per unit of total volatility	—	2.79	—
Sortino ratio: Return per unit of downside risk	—	4.74	—
Omega ratio: Gain probability vs. loss probability	—	1.61	—
Calmar ratio: Return relative to maximum drawdown	—	8.77	—
Martin ratio: Return relative to average drawdown	—	28.21	—

Drawdowns

OCTB vs. RB - Drawdown Comparison

The maximum OCTB drawdown since its inception was -4.79%, which is greater than RB's maximum drawdown of -2.09%. Use the drawdown chart below to compare losses from any high point for OCTB and RB.

Drawdown Indicators

	OCTB	RB	Difference
Max Drawdown Largest peak-to-trough decline	-4.79%	-2.09%	-2.70%
Max Drawdown (1Y) Largest decline over 1 year	—	-2.09%	—
Current Drawdown Current decline from peak	-0.24%	-0.54%	+0.30%
Average Drawdown Average peak-to-trough decline	-0.66%	-0.44%	-0.22%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.65%	—

Volatility

Volatility by Period

	OCTB	RB	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	1.54%	—
Volatility (6M) Calculated over the trailing 6-month period	—	4.74%	—
Volatility (1Y) Calculated over the trailing 1-year period	7.14%	6.57%	+0.57%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.14%	6.46%	+0.68%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.14%	6.46%	+0.68%

OCTB vs. RB - Expense Ratio Comparison

OCTB has a 0.25% expense ratio, which is lower than RB's 0.58% expense ratio.

Dividends

OCTB vs. RB - Dividend Comparison

OCTB has not paid dividends to shareholders, while RB's dividend yield for the trailing twelve months is around 2.27%.

Position	TTM	2025
OCTB Aptus October Buffer ETF	0.00%	0.00%
RB ProShares Russell 2000 Dynamic Daily Buffer ETF	2.27%	1.78%

Frequently Asked Questions

Can I hold both OCTB and RB in my portfolio?

OCTB and RB have a correlation of 0.58, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, OCTB or RB?

On fees, OCTB is cheaper at 0.25% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, OCTB or RB?

OCTB is cheaper with a 0.25% expense ratio, compared with 0.58% for RB.

Which ETF pays a higher dividend yield, OCTB or RB?

RB has the higher dividend yield at 2.27%, compared with 0.00% for OCTB.

What is the main difference between OCTB and RB?

They also come from different issuers: Aptus Capital Advisors and ProShares. Their fees differ too: 0.25% for OCTB and 0.58% for RB.