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BGIA vs. IDEV
Performance
Return for Risk
Drawdowns
Volatility
Dividends

Performance

BGIA vs. IDEV - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in Baillie Gifford International Alpha ETF (BGIA) and iShares Core MSCI International Developed Markets ETF (IDEV). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period


BGIA

1D
0.21%
1M
-1.54%
6M
YTD
1Y
3Y*
5Y*
10Y*

IDEV

1D
1.07%
1M
1.19%
6M
9.15%
YTD
10.22%
1Y
21.47%
3Y*
17.28%
5Y*
9.07%
10Y*
*Multi-year figures are annualized to reflect compound growth (CAGR)

BGIA vs. IDEV - Yearly Performance Comparison


Correlation

The correlation between BGIA and IDEV is 0.75, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.


Correlation
Correlation (All Time)
Calculated using the full available price history since Jun 3, 2026

0.75

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Return for Risk

BGIA vs. IDEV — Risk / Return Rank

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

BGIA

Risk / return metrics aren't available yet — we need at least 12 months of trading data to calculate them.


IDEV
IDEV Risk / Return Rank: 5050
Overall Rank
IDEV Sharpe Ratio Rank: 5050
Sharpe Ratio Rank
IDEV Sortino Ratio Rank: 5050
Sortino Ratio Rank
IDEV Omega Ratio Rank: 4949
Omega Ratio Rank
IDEV Calmar Ratio Rank: 4646
Calmar Ratio Rank
IDEV Martin Ratio Rank: 5353
Martin Ratio Rank
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.

BGIA vs. IDEV - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for Baillie Gifford International Alpha ETF (BGIA) and iShares Core MSCI International Developed Markets ETF (IDEV). 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.


BGIAIDEVDifference
Sharpe ratioReturn per unit of total volatility

Sortino ratioReturn per unit of downside risk

Omega ratioGain probability vs. loss probability

1.26

Calmar ratioReturn relative to maximum drawdown

1.94

Martin ratioReturn relative to average drawdown

7.57

BGIA vs. IDEV - Sharpe Ratio Comparison


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Drawdowns

BGIA vs. IDEV - Drawdown Comparison

The maximum BGIA drawdown since its inception was -4.88%, smaller than the maximum IDEV drawdown of -34.77%. Use the drawdown chart below to compare losses from any high point for BGIA and IDEV.


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Drawdown Indicators


BGIAIDEVDifference

Max Drawdown

Largest peak-to-trough decline

-4.88%

-34.77%

+29.89%

Max Drawdown (1Y)

Largest decline over 1 year

-11.20%

Max Drawdown (3Y)

Largest decline over 3 years

-13.41%

Max Drawdown (5Y)

Largest decline over 5 years

-29.15%

Current Drawdown

Current decline from peak

-3.23%

-0.28%

-2.95%

Average Drawdown

Average peak-to-trough decline

-2.34%

-6.52%

+4.18%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.87%

Volatility

BGIA vs. IDEV - Volatility Comparison


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Volatility by Period


BGIAIDEVDifference

Volatility (1M)

Calculated over the trailing 1-month period

5.17%

Volatility (6M)

Calculated over the trailing 6-month period

12.90%

Volatility (1Y)

Calculated over the trailing 1-year period

25.16%

15.04%

+10.12%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

25.16%

16.35%

+8.81%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

25.16%

17.27%

+7.89%

BGIA vs. IDEV - Expense Ratio Comparison

BGIA has a 0.59% expense ratio, which is higher than IDEV's 0.05% expense ratio.


Dividends

BGIA vs. IDEV - Dividend Comparison

BGIA has not paid dividends to shareholders, while IDEV's dividend yield for the trailing twelve months is around 3.21%.


PositionTTM202520242023202220212020201920182017
BGIA
Baillie Gifford International Alpha ETF
0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
IDEV
iShares Core MSCI International Developed Markets ETF
3.21%3.40%3.30%3.07%2.69%3.05%2.00%3.18%3.16%1.54%

Frequently Asked Questions


BGIA and IDEV have a correlation of 0.75, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

On fees, IDEV is cheaper at 0.05% per year. The better choice depends on whether you care most about return, fees, risk, or income.

IDEV is cheaper with a 0.05% expense ratio, compared with 0.59% for BGIA.

IDEV has the higher dividend yield at 3.21%, compared with 0.00% for BGIA.

They also come from different issuers: Baillie Gifford and iShares. Their fees differ too: 0.59% for BGIA and 0.05% for IDEV.

Portfolio Optimizer

Find the right allocation for BGIA and IDEV

Add both to a portfolio and optimize allocations for your target — whether that's maximizing returns, minimizing drawdowns, or balancing risk across holdings.

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