ACIO vs. RBIL

Last updated Jun 23, 2026

ACIO (Aptus Collared Income Opportunity ETF) and RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) are both exchange-traded funds - ACIO is a Diversified Portfolio fund actively managed by Aptus Capital Advisors, while RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index. ACIO is actively managed, while RBIL is passively managed. Over the past year, ACIO returned 15.07% vs 3.95% for RBIL. At a correlation of -0.17, they often move in opposite directions. ACIO charges 0.79%/yr vs 0.17%/yr for RBIL.

Performance

ACIO vs. RBIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Aptus Collared Income Opportunity ETF (ACIO) 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, ACIO achieves a 6.05% return, which is significantly higher than RBIL's 2.31% return.

ACIO

• 1D: -0.41%
• 1M: -0.45%
• YTD: 6.05%
• 6M: 5.72%
• 1Y: 15.07%
• 3Y*: 15.24%
• 5Y*: 9.91%
• 10Y*: —

RBIL

• 1D: -0.05%
• 1M: -0.20%
• YTD: 2.31%
• 6M: 2.35%
• 1Y: 3.95%
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

ACIO vs. RBIL - Yearly Performance Comparison

	2026 (YTD)	2025
ACIO Aptus Collared Income Opportunity ETF	6.05%	8.25%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	2.31%	2.85%

Correlation

The correlation between ACIO and RBIL is -0.19, 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	-0.19
Correlation (All Time) Calculated using the full available price history since Feb 25, 2025	-0.17

Return for Risk

ACIO vs. RBIL — Risk / Return Rank

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

ACIO

ACIO Risk / Return Rank: 49
ACIO Sharpe Ratio Rank: 52
ACIO Sortino Ratio Rank: 51
ACIO Omega Ratio Rank: 52
ACIO Calmar Ratio Rank: 43
ACIO Martin Ratio Rank: 50

RBIL

RBIL Risk / Return Rank: 97
RBIL Sharpe Ratio Rank: 97
RBIL Sortino Ratio Rank: 97
RBIL Omega Ratio Rank: 98
RBIL Calmar Ratio Rank: 95
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.

ACIO vs. RBIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Aptus Collared Income Opportunity ETF (ACIO) 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.

	ACIO	RBIL	Difference
Sharpe ratio: Return per unit of total volatility	1.73	4.18	-2.46
Sortino ratio: Return per unit of downside risk	2.40	6.39	-3.99
Omega ratio: Gain probability vs. loss probability	1.32	2.06	-0.75
Calmar ratio: Return relative to maximum drawdown	2.10	7.59	-5.49
Martin ratio: Return relative to average drawdown	8.17	44.07	-35.90

ACIO vs. RBIL - Sharpe Ratio Comparison

The current ACIO Sharpe Ratio is 1.73, which is lower than the RBIL Sharpe Ratio of 4.18. The chart below compares the historical Sharpe Ratios of ACIO 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

ACIO vs. RBIL - Drawdown Comparison

The maximum ACIO drawdown since its inception was -14.19%, which is greater than RBIL's maximum drawdown of -0.52%. Use the drawdown chart below to compare losses from any high point for ACIO and RBIL.

Drawdown Indicators

	ACIO	RBIL	Difference
Max Drawdown Largest peak-to-trough decline	-14.19%	-0.52%	-13.67%
Max Drawdown (1Y) Largest decline over 1 year	-7.22%	-0.52%	-6.70%
Max Drawdown (3Y) Largest decline over 3 years	-12.12%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-14.00%	—	—
Current Drawdown Current decline from peak	-1.72%	-0.51%	-1.21%
Average Drawdown Average peak-to-trough decline	-3.18%	-0.07%	-3.11%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.85%	0.09%	+1.76%

Volatility

ACIO vs. RBIL - Volatility Comparison

Aptus Collared Income Opportunity ETF (ACIO) has a higher volatility of 3.46% compared to F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) at 0.36%. This indicates that ACIO'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

	ACIO	RBIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.46%	0.36%	+3.10%
Volatility (6M) Calculated over the trailing 6-month period	6.77%	0.85%	+5.92%
Volatility (1Y) Calculated over the trailing 1-year period	8.79%	0.95%	+7.84%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	11.12%	1.07%	+10.05%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	11.67%	1.07%	+10.60%

ACIO vs. RBIL - Expense Ratio Comparison

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

Dividends

ACIO vs. RBIL - Dividend Comparison

ACIO's dividend yield for the trailing twelve months is around 0.38%, less than RBIL's 4.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019
ACIO Aptus Collared Income Opportunity ETF	0.38%	0.37%	0.44%	0.72%	1.51%	0.61%	1.02%	1.32%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	4.38%	3.65%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both ACIO and RBIL in my portfolio?

ACIO and RBIL have a correlation of -0.19, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, ACIO or RBIL?

ACIO has higher volatility (3.46%) compared to RBIL (0.36%). In terms of maximum drawdown, ACIO dropped -14.19% vs RBIL's -0.52%.

Which ETF is better, ACIO or RBIL?

On 1-year performance, ACIO leads with 15.07% vs 3.95% 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, ACIO or RBIL?

Over the 1-year period, ACIO has performed better with a 15.07% return vs 3.95%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, ACIO or RBIL?

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

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

RBIL has the higher dividend yield at 4.38%, compared with 0.38% for ACIO.

What is the main difference between ACIO and RBIL?

ACIO is categorized as Diversified Portfolio, while RBIL is Inflation-Protected Bonds. They also come from different issuers: Aptus Capital Advisors and F/m. Their fees differ too: 0.79% for ACIO and 0.17% for RBIL.

Which has better risk-adjusted returns?

RBIL currently has the higher Sharpe Ratio (4.18 vs 1.73), 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.