OCTB vs. IBUF

Last updated Jun 5, 2026

OCTB (Aptus October Buffer ETF) and IBUF (Innovator International Developed 10 Buffer ETF - Quarterly) are both Defined Outcome funds. Both are actively managed. A 0.70 correlation means they provide meaningful diversification when combined. OCTB charges 0.25%/yr vs 0.85%/yr for IBUF.

Performance

OCTB vs. IBUF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aptus October Buffer ETF (OCTB) and Innovator International Developed 10 Buffer ETF - Quarterly (IBUF). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, OCTB achieves a 6.34% return, which is significantly higher than IBUF's 5.86% return.

OCTB

• 1D: 0.15%
• 1M: 2.19%
• YTD: 6.34%
• 6M: 6.87%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

IBUF

• 1D: 0.63%
• 1M: 2.09%
• YTD: 5.86%
• 6M: 7.41%
• 1Y: 12.34%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

OCTB vs. IBUF - Yearly Performance Comparison

	2026 (YTD)	2025
OCTB Aptus October Buffer ETF	6.34%	2.37%
IBUF Innovator International Developed 10 Buffer ETF - Quarterly	5.86%	2.75%

Correlation

The correlation between OCTB and IBUF is 0.70, 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 15, 2025	0.70

Return for Risk

OCTB vs. IBUF — Risk / Return Rank

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

IBUF

IBUF Risk / Return Rank: 83
IBUF Sharpe Ratio Rank: 71
IBUF Sortino Ratio Rank: 84
IBUF Omega Ratio Rank: 80
IBUF Calmar Ratio Rank: 91
IBUF Martin Ratio Rank: 90

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. IBUF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aptus October Buffer ETF (OCTB) and Innovator International Developed 10 Buffer ETF - Quarterly (IBUF). 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.

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

Sharpe Ratios by Period

	OCTB	IBUF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	—	2.28	—
Sharpe Ratio (All Time) Calculated using the full available price history	2.00	1.78	+0.22

Drawdowns

OCTB vs. IBUF - Drawdown Comparison

The maximum OCTB drawdown since its inception was -4.79%, smaller than the maximum IBUF drawdown of -5.92%. Use the drawdown chart below to compare losses from any high point for OCTB and IBUF.

Drawdown Indicators

	OCTB	IBUF	Difference
Max Drawdown Largest peak-to-trough decline	-4.79%	-5.92%	+1.13%
Max Drawdown (1Y) Largest decline over 1 year	—	-2.17%	—
Current Drawdown Current decline from peak	-0.02%	0.00%	-0.02%
Average Drawdown Average peak-to-trough decline	-0.70%	-0.47%	-0.23%
Ulcer Index Depth and duration of drawdowns from previous peaks	—	0.61%	—

Volatility

Volatility by Period

	OCTB	IBUF	Difference
Volatility (1M) Calculated over the trailing 1-month period	—	2.49%	—
Volatility (6M) Calculated over the trailing 6-month period	—	4.64%	—
Volatility (1Y) Calculated over the trailing 1-year period	7.18%	5.43%	+1.75%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	7.18%	6.54%	+0.64%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	7.18%	6.54%	+0.64%

OCTB vs. IBUF - Expense Ratio Comparison

OCTB has a 0.25% expense ratio, which is lower than IBUF's 0.85% expense ratio.

Dividends

OCTB vs. IBUF - Dividend Comparison

Neither OCTB nor IBUF has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both OCTB and IBUF in my portfolio?

OCTB and IBUF have a correlation of 0.70, 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 IBUF?

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 IBUF?

OCTB is cheaper with a 0.25% expense ratio, compared with 0.85% for IBUF.

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

OCTB and IBUF have nearly identical dividend yields, around 0.00%.

What is the main difference between OCTB and IBUF?

They also come from different issuers: Aptus Capital Advisors and Innovator. Their fees differ too: 0.25% for OCTB and 0.85% for IBUF.