KAUG vs. BUFF

Last updated Apr 1, 2026

Compare and contrast key facts about Innovator U.S. Small Cap Power Buffer ETF (KAUG) and Innovator Laddered Allocation Power Buffer ETF (BUFF).

KAUG and BUFF are both exchange-traded funds (ETFs), meaning they are traded on stock exchanges and can be bought and sold throughout the day. KAUG is an actively managed fund by Innovator. It was launched on Jul 31, 2024. BUFF is a passively managed fund by Innovator that tracks the performance of the Refinitiv Laddered Power Buffer Strategy Index. It was launched on Oct 20, 2016.

Performance

KAUG vs. BUFF - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Small Cap Power Buffer ETF (KAUG) and Innovator Laddered Allocation Power Buffer ETF (BUFF). The values are adjusted to include any dividend payments, if applicable.

KAUG vs. BUFF - Yearly Performance Comparison

	2026 (YTD)	2025	2024
KAUG Innovator U.S. Small Cap Power Buffer ETF	1.05%	5.52%	2.80%
BUFF Innovator Laddered Allocation Power Buffer ETF	-0.90%	11.02%	4.66%

Returns By Period

In the year-to-date period, KAUG achieves a 1.05% return, which is significantly higher than BUFF's -0.90% return.

KAUG

• 1D: 1.78%
• 1M: -1.48%
• YTD: 1.05%
• 6M: 3.12%
• 1Y: 11.58%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BUFF

• 1D: 1.46%
• 1M: -1.89%
• YTD: -0.90%
• 6M: 1.13%
• 1Y: 12.07%
• 3Y*: 11.21%
• 5Y*: 7.68%
• 10Y*: —

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

KAUG vs. BUFF - Expense Ratio Comparison

KAUG has a 0.79% expense ratio, which is lower than BUFF's 0.89% expense ratio.

BUFF

Innovator Laddered Allocation Power Buffer ETF

KAUG

Innovator U.S. Small Cap Power Buffer ETF

Return for Risk

KAUG vs. BUFF — Risk / Return Rank

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

KAUG

KAUG Risk / Return Rank: 58
KAUG Sharpe Ratio Rank: 56
KAUG Sortino Ratio Rank: 58
KAUG Omega Ratio Rank: 58
KAUG Calmar Ratio Rank: 53
KAUG Martin Ratio Rank: 68

BUFF

BUFF Risk / Return Rank: 77
BUFF Sharpe Ratio Rank: 72
BUFF Sortino Ratio Rank: 75
BUFF Omega Ratio Rank: 83
BUFF Calmar Ratio Rank: 70
BUFF Martin Ratio Rank: 86

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.

KAUG vs. BUFF - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Small Cap Power Buffer ETF (KAUG) and Innovator Laddered Allocation Power Buffer ETF (BUFF). 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.

	KAUG	BUFF	Difference
Sharpe ratio Return per unit of total volatility	0.99	1.23	-0.24
Sortino ratio Return per unit of downside risk	1.50	1.84	-0.35
Omega ratio Gain probability vs. loss probability	1.22	1.32	-0.11
Calmar ratio Return relative to maximum drawdown	1.36	1.72	-0.36
Martin ratio Return relative to average drawdown	6.99	9.71	-2.72
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

KAUG vs. BUFF - Sharpe Ratio Comparison

The current KAUG Sharpe Ratio is 0.99, which is comparable to the BUFF Sharpe Ratio of 1.23. The chart below compares the historical Sharpe Ratios of KAUG and BUFF, 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

	KAUG	BUFF	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	0.99	1.23	-0.24
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	0.92	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.49	0.46	+0.03

Correlation

The correlation between KAUG and BUFF is 0.75, which is considered to be high. That indicates a strong positive relationship between their price movements. Having highly-correlated positions in a portfolio may signal a lack of diversification, potentially leading to increased risk during market downturns.

Dividends

KAUG vs. BUFF - Dividend Comparison

Neither KAUG nor BUFF has paid dividends to shareholders.

	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
KAUG Innovator U.S. Small Cap Power Buffer ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%
BUFF Innovator Laddered Allocation Power Buffer ETF	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	1.78%	1.26%	1.74%	1.55%	0.18%

Drawdowns

KAUG vs. BUFF - Drawdown Comparison

The maximum KAUG drawdown since its inception was -15.66%, smaller than the maximum BUFF drawdown of -46.23%. Use the drawdown chart below to compare losses from any high point for KAUG and BUFF.

Drawdown Indicators

	KAUG	BUFF	Difference
Max Drawdown Largest peak-to-trough decline	-15.66%	-46.23%	+30.57%
Max Drawdown (1Y) Largest decline over 1 year	-8.38%	-7.15%	-1.23%
Max Drawdown (5Y) Largest decline over 5 years	—	-10.24%	—
Current Drawdown Current decline from peak	-2.23%	-2.18%	-0.05%
Average Drawdown Average peak-to-trough decline	-3.12%	-6.29%	+3.17%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.63%	1.27%	+0.36%

Volatility

KAUG vs. BUFF - Volatility Comparison

Innovator U.S. Small Cap Power Buffer ETF (KAUG) has a higher volatility of 3.68% compared to Innovator Laddered Allocation Power Buffer ETF (BUFF) at 2.61%. This indicates that KAUG's price experiences larger fluctuations and is considered to be riskier than BUFF based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KAUG	BUFF	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.68%	2.61%	+1.07%
Volatility (6M) Calculated over the trailing 6-month period	6.25%	4.05%	+2.20%
Volatility (1Y) Calculated over the trailing 1-year period	11.73%	9.82%	+1.91%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.69%	8.40%	+3.29%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.69%	17.83%	-6.14%