KOKU vs. RBIL

Last updated Jun 24, 2026

KOKU (Xtrackers MSCI Kokusai Equity ETF) and RBIL (F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF) are both exchange-traded funds - KOKU is a Large Cap Growth Equities fund tracking the MSCI Kokusai Index (World ex Japan), 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, KOKU returned 22.27% vs 4.07% for RBIL. At a correlation of -0.21, they often move in opposite directions. KOKU charges 0.09%/yr vs 0.17%/yr for RBIL.

Performance

KOKU vs. RBIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Xtrackers MSCI Kokusai Equity ETF (KOKU) 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, KOKU achieves a 7.89% return, which is significantly higher than RBIL's 2.32% return.

KOKU

• 1D: -1.29%
• 1M: -0.75%
• YTD: 7.89%
• 6M: 7.10%
• 1Y: 22.27%
• 3Y*: 19.94%
• 5Y*: 11.64%
• 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)

KOKU vs. RBIL - Yearly Performance Comparison

	2026 (YTD)	2025
KOKU Xtrackers MSCI Kokusai Equity ETF	7.89%	17.17%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	2.32%	2.85%

Correlation

The correlation between KOKU and RBIL is -0.22, 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	-0.22
Correlation (All Time) Calculated using the full available price history since Feb 25, 2025	-0.21

Return for Risk

KOKU vs. RBIL — Risk / Return Rank

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

KOKU

KOKU Risk / Return Rank: 57
KOKU Sharpe Ratio Rank: 57
KOKU Sortino Ratio Rank: 56
KOKU Omega Ratio Rank: 55
KOKU Calmar Ratio Rank: 54
KOKU Martin Ratio Rank: 64

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.

KOKU vs. RBIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Xtrackers MSCI Kokusai Equity ETF (KOKU) 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.

	KOKU	RBIL	Difference
Sharpe ratio: Return per unit of total volatility	1.78	4.35	-2.57
Sortino ratio: Return per unit of downside risk	2.48	6.69	-4.21
Omega ratio: Gain probability vs. loss probability	1.32	2.13	-0.81
Calmar ratio: Return relative to maximum drawdown	2.47	7.82	-5.35
Martin ratio: Return relative to average drawdown	10.88	42.95	-32.07

KOKU vs. RBIL - Sharpe Ratio Comparison

The current KOKU Sharpe Ratio is 1.78, which is lower than the RBIL Sharpe Ratio of 4.35. The chart below compares the historical Sharpe Ratios of KOKU 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

KOKU vs. RBIL - Drawdown Comparison

The maximum KOKU drawdown since its inception was -25.77%, which is greater than RBIL's maximum drawdown of -0.52%. Use the drawdown chart below to compare losses from any high point for KOKU and RBIL.

Drawdown Indicators

	KOKU	RBIL	Difference
Max Drawdown Largest peak-to-trough decline	-25.77%	-0.52%	-25.25%
Max Drawdown (1Y) Largest decline over 1 year	-9.04%	-0.52%	-8.52%
Max Drawdown (3Y) Largest decline over 3 years	-17.73%	—	—
Max Drawdown (5Y) Largest decline over 5 years	-25.77%	—	—
Current Drawdown Current decline from peak	-2.45%	-0.50%	-1.95%
Average Drawdown Average peak-to-trough decline	-4.80%	-0.07%	-4.73%
Ulcer Index Depth and duration of drawdowns from previous peaks	2.05%	0.10%	+1.95%

Volatility

KOKU vs. RBIL - Volatility Comparison

Xtrackers MSCI Kokusai Equity ETF (KOKU) has a higher volatility of 4.71% compared to F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF (RBIL) at 0.36%. This indicates that KOKU'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

	KOKU	RBIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	4.71%	0.36%	+4.35%
Volatility (6M) Calculated over the trailing 6-month period	10.23%	0.85%	+9.38%
Volatility (1Y) Calculated over the trailing 1-year period	12.57%	0.95%	+11.62%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	16.51%	1.07%	+15.44%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	16.84%	1.07%	+15.77%

KOKU vs. RBIL - Expense Ratio Comparison

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

Dividends

KOKU vs. RBIL - Dividend Comparison

KOKU's dividend yield for the trailing twelve months is around 1.45%, less than RBIL's 4.38% yield.

Position	TTM	2025	2024	2023	2022	2021	2020
KOKU Xtrackers MSCI Kokusai Equity ETF	1.45%	1.48%	1.63%	1.76%	1.98%	1.89%	0.55%
RBIL F/m Ultrashort Treasury Inflation-Protected Security (TIPS) ETF	4.38%	3.65%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both KOKU and RBIL in my portfolio?

KOKU and RBIL have a correlation of -0.22, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, KOKU or RBIL?

KOKU has higher volatility (4.71%) compared to RBIL (0.36%). In terms of maximum drawdown, KOKU dropped -25.77% vs RBIL's -0.52%.

Which ETF is better, KOKU or RBIL?

On 1-year performance, KOKU leads with 22.27% vs 4.07% for RBIL. On fees, KOKU is cheaper at 0.09% 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, KOKU or RBIL?

Over the 1-year period, KOKU has performed better with a 22.27% return vs 4.07%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, KOKU or RBIL?

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

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

RBIL has the higher dividend yield at 4.38%, compared with 1.45% for KOKU.

What is the main difference between KOKU and RBIL?

KOKU is categorized as Large Cap Growth Equities, while RBIL is Inflation-Protected Bonds. KOKU tracks MSCI Kokusai Index (World ex Japan), while RBIL tracks Bloomberg US Ultrashort TIPS 1-13 Months Index. They also come from different issuers: Deutsche Bank and F/m. Their fees differ too: 0.09% for KOKU and 0.17% for RBIL.

Which has better risk-adjusted returns?

RBIL currently has the higher Sharpe Ratio (4.35 vs 1.78), 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.