KSEP vs. RBIL

Last updated Jun 24, 2026

KSEP (Innovator U.S. Small Cap Power Buffer ETF - September) and RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) are both exchange-traded funds - KSEP is a Defined Outcome fund actively managed by Innovator, while RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index. KSEP is actively managed, while RBIL is passively managed. Over the past year, KSEP returned 21.29% vs 4.07% for RBIL. At a correlation of -0.16, they often move in opposite directions. KSEP charges 0.79%/yr vs 0.17%/yr for RBIL.

Performance

KSEP vs. RBIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Innovator U.S. Small Cap Power Buffer ETF - September (KSEP) and F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, KSEP achieves a 9.93% return, which is significantly higher than RBIL's 2.32% return.

KSEP

• 1D: -0.33%
• 1M: 1.51%
• YTD: 9.93%
• 6M: 8.92%
• 1Y: 21.29%
• 3Y*: —
• 5Y*: —
• 10Y*: —

RBIL

• 1D: 0.01%
• 1M: -0.19%
• YTD: 2.32%
• 6M: 2.37%
• 1Y: 4.07%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

KSEP vs. RBIL - Yearly Performance Comparison

	2026 (YTD)	2025
KSEP Innovator U.S. Small Cap Power Buffer ETF - September	9.93%	9.14%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	2.32%	2.85%

Correlation

The correlation between KSEP and RBIL is -0.18, meaning they tend to move in opposite directions. This is especially valuable for risk management - when one declines, the other has historically tended to hold steady or rise.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.18
Correlation (All Time) Calculated using the full available price history since Feb 25, 2025	-0.16

Return for Risk

KSEP vs. RBIL — Risk / Return Rank

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

KSEP

KSEP Risk / Return Rank: 79
KSEP Sharpe Ratio Rank: 72
KSEP Sortino Ratio Rank: 79
KSEP Omega Ratio Rank: 71
KSEP Calmar Ratio Rank: 87
KSEP Martin Ratio Rank: 86

RBIL

RBIL Risk / Return Rank: 97
RBIL Sharpe Ratio Rank: 97
RBIL Sortino Ratio Rank: 98
RBIL Omega Ratio Rank: 98
RBIL Calmar Ratio Rank: 96
RBIL Martin Ratio Rank: 97

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.

KSEP vs. RBIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Innovator U.S. Small Cap Power Buffer ETF - September (KSEP) and F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL). 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.

	KSEP	RBIL	Difference
Sharpe ratio: Return per unit of total volatility	2.10	4.35	-2.25
Sortino ratio: Return per unit of downside risk	3.17	6.69	-3.52
Omega ratio: Gain probability vs. loss probability	1.38	2.13	-0.75
Calmar ratio: Return relative to maximum drawdown	4.50	7.82	-3.32
Martin ratio: Return relative to average drawdown	16.34	42.95	-26.61

KSEP vs. RBIL - Sharpe Ratio Comparison

The current KSEP Sharpe Ratio is 2.10, which is lower than the RBIL Sharpe Ratio of 4.35. The chart below compares the historical Sharpe Ratios of KSEP and RBIL, 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

KSEP vs. RBIL - Drawdown Comparison

The maximum KSEP drawdown since its inception was -14.92%, which is greater than RBIL's maximum drawdown of -0.52%. Use the drawdown chart below to compare losses from any high point for KSEP and RBIL.

Drawdown Indicators

	KSEP	RBIL	Difference
Max Drawdown Largest peak-to-trough decline	-14.92%	-0.52%	-14.40%
Max Drawdown (1Y) Largest decline over 1 year	-4.75%	-0.52%	-4.23%
Current Drawdown Current decline from peak	-0.33%	-0.50%	+0.17%
Average Drawdown Average peak-to-trough decline	-2.41%	-0.07%	-2.34%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.31%	0.10%	+1.21%

Volatility

KSEP vs. RBIL - Volatility Comparison

Innovator U.S. Small Cap Power Buffer ETF - September (KSEP) has a higher volatility of 2.04% compared to F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) at 0.36%. This indicates that KSEP's price experiences larger fluctuations and is considered to be riskier than RBIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	KSEP	RBIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	2.04%	0.36%	+1.68%
Volatility (6M) Calculated over the trailing 6-month period	6.34%	0.85%	+5.49%
Volatility (1Y) Calculated over the trailing 1-year period	10.19%	0.95%	+9.24%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.61%	1.07%	+10.54%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.61%	1.07%	+10.54%

KSEP vs. RBIL - Expense Ratio Comparison

KSEP has a 0.79% expense ratio, which is higher than RBIL's 0.17% expense ratio.

Dividends

KSEP vs. RBIL - Dividend Comparison

KSEP has not paid dividends to shareholders, while RBIL's dividend yield for the trailing twelve months is around 4.38%.

Position	TTM	2025
KSEP Innovator U.S. Small Cap Power Buffer ETF - September	0.00%	0.00%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	4.38%	3.65%

Frequently Asked Questions

Can I hold both KSEP and RBIL in my portfolio?

KSEP and RBIL have a correlation of -0.18, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KSEP or RBIL?

KSEP has higher volatility (2.04%) compared to RBIL (0.36%). In terms of maximum drawdown, KSEP dropped -14.92% vs RBIL's -0.52%.

Which ETF is better, KSEP or RBIL?

On 1-year performance, KSEP leads with 21.29% vs 4.07% for RBIL. On fees, RBIL is cheaper at 0.17% per year. On volatility, RBIL has been the lower-risk option at 0.36%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, KSEP or RBIL?

Over the 1-year period, KSEP has performed better with a 21.29% return vs 4.07%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KSEP or RBIL?

RBIL is cheaper with a 0.17% expense ratio, compared with 0.79% for KSEP.

Which ETF pays a higher dividend yield, KSEP or RBIL?

RBIL has the higher dividend yield at 4.38%, compared with 0.00% for KSEP.

What is the main difference between KSEP and RBIL?

KSEP is categorized as Defined Outcome, while RBIL is Inflation-Protected Bonds. They also come from different issuers: Innovator and F/m. Their fees differ too: 0.79% for KSEP and 0.17% for RBIL.

Which has better risk-adjusted returns?

RBIL currently has the higher Sharpe Ratio (4.35 vs 2.10), 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.