EFFE vs. BIL

Last updated Jun 4, 2026

EFFE (Harbor Osmosis Emerging Markets Resource Efficient ETF) and BIL (SPDR Bloomberg 1-3 Month T-Bill ETF) are both exchange-traded funds - EFFE is a Emerging Markets Diversified fund actively managed by Harbor, while BIL is a Government Bonds fund tracking the Bloomberg 1-3 Month U.S. Treasury Bill Index. EFFE is actively managed, while BIL is passively managed. Over the past year, EFFE returned 44.45% vs 3.87% for BIL. At a correlation of -0.10, they often move in opposite directions. EFFE charges 0.69%/yr vs 0.14%/yr for BIL.

Performance

EFFE vs. BIL - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Harbor Osmosis Emerging Markets Resource Efficient ETF (EFFE) and SPDR Bloomberg 1-3 Month T-Bill ETF (BIL). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, EFFE achieves a 29.22% return, which is significantly higher than BIL's 1.49% return.

EFFE

• 1D: -0.18%
• 1M: 17.03%
• YTD: 29.22%
• 6M: 28.14%
• 1Y: 44.45%
• 3Y*: —
• 5Y*: —
• 10Y*: —

BIL

• 1D: 0.02%
• 1M: 0.28%
• YTD: 1.49%
• 6M: 1.77%
• 1Y: 3.87%
• 3Y*: 4.64%
• 5Y*: 3.41%
• 10Y*: 2.18%

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

EFFE vs. BIL - Yearly Performance Comparison

	2026 (YTD)	2025	2024
EFFE Harbor Osmosis Emerging Markets Resource Efficient ETF	29.22%	22.42%	-0.84%
BIL SPDR Bloomberg 1-3 Month T-Bill ETF	1.49%	4.15%	0.15%

Correlation

The correlation between EFFE and BIL is -0.07, meaning there is essentially no relationship between their price movements. Each responds to its own set of market drivers, making them strong candidates for combining in a diversified portfolio.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	-0.07
Correlation (All Time) Calculated using the full available price history since Dec 20, 2024	-0.10

Return for Risk

EFFE vs. BIL — Risk / Return Rank

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

EFFE

EFFE Risk / Return Rank: 68
EFFE Sharpe Ratio Rank: 69
EFFE Sortino Ratio Rank: 64
EFFE Omega Ratio Rank: 70
EFFE Calmar Ratio Rank: 66
EFFE Martin Ratio Rank: 69

BIL

BIL Risk / Return Rank: 100
BIL Sharpe Ratio Rank: 100
BIL Sortino Ratio Rank: 100
BIL Omega Ratio Rank: 100
BIL Calmar Ratio Rank: 100
BIL Martin Ratio Rank: 100

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.

EFFE vs. BIL - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Harbor Osmosis Emerging Markets Resource Efficient ETF (EFFE) and SPDR Bloomberg 1-3 Month T-Bill ETF (BIL). 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.

	EFFE	BIL	Difference
Sharpe ratio Return per unit of total volatility	2.22	19.71	-17.49
Sortino ratio Return per unit of downside risk	2.96	174.16	-171.21
Omega ratio Gain probability vs. loss probability	1.41	87.91	-86.50
Calmar ratio Return relative to maximum drawdown	3.25	355.35	-352.11
Martin ratio Return relative to average drawdown	12.62	2,817.77	-2,805.16
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

EFFE vs. BIL - Sharpe Ratio Comparison

The current EFFE Sharpe Ratio is 2.22, which is lower than the BIL Sharpe Ratio of 19.71. The chart below compares the historical Sharpe Ratios of EFFE and BIL, calculated using daily returns over the previous 12 months. A higher Sharpe Ratio indicates better risk-adjusted performance relative to the risk-free rate.

Sharpe Ratios by Period

	EFFE	BIL	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.22	19.71	-17.49
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	—	13.16	—
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	—	8.52	—
Sharpe Ratio (All Time) Calculated using the full available price history	1.85	2.78	-0.92

Drawdowns

EFFE vs. BIL - Drawdown Comparison

The maximum EFFE drawdown since its inception was -13.75%, which is greater than BIL's maximum drawdown of -0.78%. Use the drawdown chart below to compare losses from any high point for EFFE and BIL.

Drawdown Indicators

	EFFE	BIL	Difference
Max Drawdown Largest peak-to-trough decline	-13.75%	-0.78%	-12.97%
Max Drawdown (1Y) Largest decline over 1 year	-13.75%	-0.01%	-13.74%
Max Drawdown (3Y) Largest decline over 3 years	—	-0.01%	—
Max Drawdown (5Y) Largest decline over 5 years	—	-0.10%	—
Max Drawdown (10Y) Largest decline over 10 years	—	-0.21%	—
Current Drawdown Current decline from peak	-0.18%	0.00%	-0.18%
Average Drawdown Average peak-to-trough decline	-1.98%	-0.26%	-1.72%
Ulcer Index Depth and duration of drawdowns from previous peaks	3.53%	0.00%	+3.53%

Volatility

EFFE vs. BIL - Volatility Comparison

Harbor Osmosis Emerging Markets Resource Efficient ETF (EFFE) has a higher volatility of 9.71% compared to SPDR Bloomberg 1-3 Month T-Bill ETF (BIL) at 0.05%. This indicates that EFFE's price experiences larger fluctuations and is considered to be riskier than BIL based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	EFFE	BIL	Difference
Volatility (1M) Calculated over the trailing 1-month period	9.71%	0.05%	+9.66%
Volatility (6M) Calculated over the trailing 6-month period	17.67%	0.13%	+17.54%
Volatility (1Y) Calculated over the trailing 1-year period	20.09%	0.20%	+19.89%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	19.91%	0.26%	+19.65%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	19.91%	0.26%	+19.65%

EFFE vs. BIL - Expense Ratio Comparison

EFFE has a 0.69% expense ratio, which is higher than BIL's 0.14% expense ratio.

Dividends

EFFE vs. BIL - Dividend Comparison

EFFE's dividend yield for the trailing twelve months is around 3.63%, less than BIL's 3.86% yield.

Position	TTM	2025	2024	2023	2022	2021	2020	2019	2018	2017	2016
BIL SPDR Bloomberg 1-3 Month T-Bill ETF	3.86%	4.13%	5.03%	4.92%	1.35%	0.00%	0.30%	2.05%	1.66%	0.68%	0.07%
EFFE Harbor Osmosis Emerging Markets Resource Efficient ETF	3.63%	4.69%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%	0.00%

Frequently Asked Questions

Can I hold both EFFE and BIL in my portfolio?

EFFE and BIL have a correlation of -0.07, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

Which is riskier, EFFE or BIL?

EFFE has higher volatility (9.71%) compared to BIL (0.05%). In terms of maximum drawdown, EFFE dropped -13.75% vs BIL's -0.78%.

Which ETF is better, EFFE or BIL?

On 1-year performance, EFFE leads with 44.45% vs 3.87% for BIL. On fees, BIL is cheaper at 0.14% per year. On volatility, BIL has been the lower-risk option at 0.05%. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF has performed better, EFFE or BIL?

Over the 1-year period, EFFE has performed better with a 44.45% return vs 3.87%. Past performance does not guarantee future results, so compare this with risk, fees, and fund exposure.

Which ETF is cheaper, EFFE or BIL?

BIL is cheaper with a 0.14% expense ratio, compared with 0.69% for EFFE.

Which ETF pays a higher dividend yield, EFFE or BIL?

BIL has the higher dividend yield at 3.86%, compared with 3.63% for EFFE.

What is the main difference between EFFE and BIL?

EFFE is categorized as Emerging Markets Diversified, while BIL is Government Bonds. They also come from different issuers: Harbor and State Street. Their fees differ too: 0.69% for EFFE and 0.14% for BIL.

Which has better risk-adjusted returns?

BIL currently has the higher Sharpe Ratio (19.71 vs 2.22), 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.