DECM vs. RBIL

Last updated Jun 24, 2026

DECM (FT Vest U.S. Equity Max Buffer ETF - December) and RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) are both exchange-traded funds - DECM is a Defined Outcome fund tracking the S&P 500, while RBIL is a Inflation-Protected Bonds fund tracking the Bloomberg US Ultrashort TIPS 1-13 Months Index. Both are passively managed. Over the past year, DECM returned 7.30% vs 4.07% for RBIL. At a correlation of -0.19, they often move in opposite directions. DECM charges 0.85%/yr vs 0.17%/yr for RBIL.

Performance

DECM vs. RBIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in FT Vest U.S. Equity Max Buffer ETF - December (DECM) 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

The year-to-date returns for both stocks are quite close, with DECM having a 2.34% return and RBIL slightly lower at 2.32%.

DECM

• 1D: -0.19%
• 1M: 0.03%
• YTD: 2.34%
• 6M: 2.34%
• 1Y: 7.30%
• 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)

DECM vs. RBIL - Yearly Performance Comparison

	2026 (YTD)	2025
DECM FT Vest U.S. Equity Max Buffer ETF - December	2.34%	6.03%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	2.32%	2.85%

Correlation

The correlation between DECM 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	-0.19

Return for Risk

DECM vs. RBIL — Risk / Return Rank

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

DECM

DECM Risk / Return Rank: 92
DECM Sharpe Ratio Rank: 94
DECM Sortino Ratio Rank: 95
DECM Omega Ratio Rank: 95
DECM Calmar Ratio Rank: 85
DECM Martin Ratio Rank: 93

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.

DECM vs. RBIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for FT Vest U.S. Equity Max Buffer ETF - December (DECM) 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.

	DECM	RBIL	Difference
Sharpe ratio: Return per unit of total volatility	3.10	4.35	-1.25
Sortino ratio: Return per unit of downside risk	4.80	6.69	-1.90
Omega ratio: Gain probability vs. loss probability	1.67	2.13	-0.46
Calmar ratio: Return relative to maximum drawdown	4.29	7.82	-3.53
Martin ratio: Return relative to average drawdown	22.03	42.95	-20.93

DECM vs. RBIL - Sharpe Ratio Comparison

The current DECM Sharpe Ratio is 3.10, which is comparable to the RBIL Sharpe Ratio of 4.35. The chart below compares the historical Sharpe Ratios of DECM 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

DECM vs. RBIL - Drawdown Comparison

The maximum DECM drawdown since its inception was -3.00%, which is greater than RBIL's maximum drawdown of -0.52%. Use the drawdown chart below to compare losses from any high point for DECM and RBIL.

Drawdown Indicators

	DECM	RBIL	Difference
Max Drawdown Largest peak-to-trough decline	-3.00%	-0.52%	-2.48%
Max Drawdown (1Y) Largest decline over 1 year	-1.71%	-0.52%	-1.19%
Current Drawdown Current decline from peak	-0.28%	-0.50%	+0.22%
Average Drawdown Average peak-to-trough decline	-0.37%	-0.07%	-0.30%
Ulcer Index Depth and duration of drawdowns from previous peaks	0.33%	0.10%	+0.23%

Volatility

DECM vs. RBIL - Volatility Comparison

FT Vest U.S. Equity Max Buffer ETF - December (DECM) has a higher volatility of 0.76% compared to F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) at 0.36%. This indicates that DECM'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

	DECM	RBIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	0.76%	0.36%	+0.40%
Volatility (6M) Calculated over the trailing 6-month period	1.92%	0.85%	+1.07%
Volatility (1Y) Calculated over the trailing 1-year period	2.39%	0.95%	+1.44%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	2.97%	1.07%	+1.90%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	2.97%	1.07%	+1.90%

DECM vs. RBIL - Expense Ratio Comparison

DECM has a 0.85% expense ratio, which is higher than RBIL's 0.17% expense ratio.

Dividends

DECM vs. RBIL - Dividend Comparison

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

Position	TTM	2025
DECM FT Vest U.S. Equity Max Buffer ETF - December	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 DECM and RBIL in my portfolio?

DECM 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, DECM or RBIL?

DECM has higher volatility (0.76%) compared to RBIL (0.36%). In terms of maximum drawdown, DECM dropped -3.00% vs RBIL's -0.52%.

Which ETF is better, DECM or RBIL?

On 1-year performance, DECM leads with 7.30% 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, DECM or RBIL?

Over the 1-year period, DECM has performed better with a 7.30% return vs 4.07%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, DECM or RBIL?

RBIL is cheaper with a 0.17% expense ratio, compared with 0.85% for DECM.

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

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

What is the main difference between DECM and RBIL?

DECM is categorized as Defined Outcome, while RBIL is Inflation-Protected Bonds. DECM tracks S&P 500, while RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index. They also come from different issuers: FT Vest and F/m. Their fees differ too: 0.85% for DECM and 0.17% for RBIL.

Which has better risk-adjusted returns?

RBIL currently has the higher Sharpe Ratio (4.35 vs 3.10), 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.