RBIL vs. ICPI

Last updated Jun 4, 2026

RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) and ICPI (iShares 0-1 Year TIPS Bond ETF) are both Inflation-Protected Bonds funds - RBIL tracks the Bloomberg US Ultrashort TIPS 1-13 Months Index while ICPI tracks the ICE U.S. Treasury 0-1 Year Inflation Linked Bond Index. Both are passively managed. Their correlation of 0.81 suggests significant overlap in exposure. RBIL charges 0.17%/yr vs 0.09%/yr for ICPI.

Performance

RBIL vs. ICPI - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) and iShares 0-1 Year TIPS Bond ETF (ICPI). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

As of year-to-date, both investments have demonstrated similar returns, with RBIL at 2.70% and ICPI at 2.70%.

RBIL

• 1D: 0.06%
• 1M: 0.38%
• YTD: 2.70%
• 6M: 2.79%
• 1Y: 4.57%
• 3Y*: —
• 5Y*: —
• 10Y*: —

ICPI

• 1D: 0.05%
• 1M: 0.44%
• YTD: 2.70%
• 6M: 2.76%
• 1Y: —
• 3Y*: —
• 5Y*: —
• 10Y*: —

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

RBIL vs. ICPI - Yearly Performance Comparison

	2026 (YTD)	2025
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	2.70%	0.29%
ICPI iShares 0-1 Year TIPS Bond ETF	2.70%	0.32%

Correlation

The correlation between RBIL and ICPI is 0.81, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

	Correlation
Correlation (All Time) Calculated using the full available price history since Nov 21, 2025	0.81

Return for Risk

RBIL vs. ICPI — Risk / Return Rank

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

RBIL

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

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.

RBIL vs. ICPI - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) and iShares 0-1 Year TIPS Bond ETF (ICPI). 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.

	RBIL	ICPI	Difference
Sharpe ratio: Return per unit of total volatility	5.01	—	—
Sortino ratio: Return per unit of downside risk	7.92	—	—
Omega ratio: Gain probability vs. loss probability	2.39	—	—
Calmar ratio: Return relative to maximum drawdown	17.00	—	—
Martin ratio: Return relative to average drawdown	70.66	—	—
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

Sharpe Ratios by Period

	RBIL	ICPI	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	5.01	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	4.28	6.20	-1.92

Drawdowns

RBIL vs. ICPI - Drawdown Comparison

The maximum RBIL drawdown since its inception was -0.50%, which is greater than ICPI's maximum drawdown of -0.22%. Use the drawdown chart below to compare losses from any high point for RBIL and ICPI.

Drawdown Indicators

	RBIL	ICPI	Difference
Max Drawdown Largest peak-to-trough decline	-0.50%	-0.22%	-0.28%
Max Drawdown (1Y) Largest decline over 1 year	-0.27%	—	—
Current Drawdown Current decline from peak	0.00%	0.00%	0.00%
Average Drawdown Average peak-to-trough decline	-0.06%	-0.03%	-0.03%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.07%	—	—

Volatility

Volatility by Period

	RBIL	ICPI	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.30%	—	—
Volatility (6M) Calculated over the trailing 6-month period	0.79%	—	—
Volatility (1Y) Calculated over the trailing 1-year period	0.92%	0.95%	-0.03%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	1.05%	0.95%	+0.10%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	1.05%	0.95%	+0.10%

RBIL vs. ICPI - Expense Ratio Comparison

RBIL has a 0.17% expense ratio, which is higher than ICPI's 0.09% expense ratio. However, both funds are considered low-cost compared to the broader market, where average expense ratios usually range from 0.3% to 0.9%.

Dividends

RBIL vs. ICPI - Dividend Comparison

RBIL's dividend yield for the trailing twelve months is around 4.60%, more than ICPI's 1.80% yield.

Position	TTM	2025
ICPI iShares 0-1 Year TIPS Bond ETF	1.80%	0.54%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	4.60%	3.65%

Frequently Asked Questions

Can I hold both RBIL and ICPI in my portfolio?

RBIL and ICPI have a correlation of 0.81, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which ETF is better, RBIL or ICPI?

On fees, ICPI is cheaper at 0.09% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, RBIL or ICPI?

ICPI is cheaper with a 0.09% expense ratio, compared with 0.17% for RBIL.

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

RBIL has the higher dividend yield at 4.60%, compared with 1.80% for ICPI.

What is the main difference between RBIL and ICPI?

RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index, while ICPI tracks ICE U.S. Treasury 0-1 Year Inflation Linked Bond Index. They also come from different issuers: F/m and iShares. Their fees differ too: 0.17% for RBIL and 0.09% for ICPI.