Data as of Oct 28, 2026.
EFA vs IDEV: Differences, Returns & Fees
Over the year to Oct 28, 2026, EFA returned +12.1% to IDEV's +13.4%; 75% of their weight is in the same names.
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Net assets: $76.8bn on Oct 27, 2026 for iShares MSCI EAFE ETF, and $34.0bn on Oct 28, 2026 for iShares Core MSCI International Developed Markets ETF.
Pair scorecard
IDEV costs 0.28 points a year less; their one-year returns differ by 1.3 points; EFA is 2.3 times larger.
| Measure | EFA | IDEV |
|---|---|---|
| Return | ||
| Total return, 1 year | +12.1% | +13.4% |
| Drawdown | ||
| Below its high | 4.7%, high on Aug 25, 2026 | 4.4%, high on Aug 25, 2026 |
| Benchmark | ||
| What it tracks | MSCI EAFE Index | MSCI World ex USA Investable Market Index |
| Cost and size | ||
| Expense ratio | 0.32% | 0.04% |
| Net assets, as of Oct 26, 2026 | $76.4bn | $33.7bn |
| Holdings | ||
| Holdings in common | 75% | |
| Top ten holdings, share of the fund | 14.3% | 10.9% |
Holdings in common uses holdings dated Oct 27, 2026. Method
Risk and return
Mar 31, 2017 to Oct 23, 2026 · 499 weekly returns · each against ACWXIDEV returned slightly more: +127.7% to +119.2%. EFA and IDEV swung about the same: 17.2% and 17.0%. EFA and IDEV fell about the same at their worst: −33.4% and −34.0%.
Full scorecard
19 measures, with how each is measured Open ↓
| Measure | EFA | IDEV | ACWX | Edge | How it is measured |
|---|---|---|---|---|---|
| Return | |||||
| Total return | +119.2% | +127.7% | IDEV (slight) | Price change plus distributions, reinvested. | |
| Annualized | +8.5% | +9.0% | IDEV (slight) | Total return as a yearly rate. | |
| Price return | +64.8% | +73.6% | IDEV | Price change alone, distributions left out. | |
| Risk | |||||
| Volatility | 17.2% | 17.0% | Tie | Spread of weekly returns, annualized. Lower is steadier. | |
| Downside deviation | 12.2% | 12.1% | Tie | Like volatility, counting only weeks below the Treasury bill rate. | |
| Max drawdown | −33.4% | −34.0% | Tie | Deepest fall from a high to the low after it. | |
| Upside capture | 96.5% | 96.5% | 100.0% | Tie | Share of its benchmark's rise caught in the weeks it rose. |
| Downside capture | 98.1% | 97.4% | 100.0% | Tie | Share of its benchmark's fall taken in the weeks it fell. Lower is better. |
| Beta | 1.00 | 1.00 | 1.00 | Tie | How far it moves for each 1% its benchmark moves. |
| R squared | 0.96 | 0.96 | 1.00 | Not an edge | Share of its weekly moves its benchmark explains. |
| Risk-adjusted | |||||
| Sharpe | 0.41 | 0.44 | IDEV (slight) | Return above Treasury bills per unit of volatility. | |
| Sortino | 0.58 | 0.61 | IDEV (slight) | Return above Treasury bills per unit of downside deviation. | |
| Treynor | 0.070 | 0.075 | 0.069 | IDEV (slight) | Return above Treasury bills per unit of beta. |
| Calmar | 0.26 | 0.26 | IDEV (slight) | Annualized return divided by the max drawdown. | |
| Against the benchmark | |||||
| Benchmark | ACWX | ACWX | ACWX | The ETF each fund is measured against. | |
| Alpha | +0.1% a year | +0.5% a year | 0.0% | Not significant | Yearly return beyond what its beta to the benchmark predicts. |
| Alpha t-stat | 0.11 | 0.51 | Not an edge | How sure the alpha is. Below 2, it could be chance. | |
| Alpha range | −2.0% to +2.2% | −1.6% to +2.6% | Both include zero | The 95% range for the yearly alpha. | |
| Information ratio | 0.04 | 0.15 | IDEV | Return against its benchmark per unit of tracking error. | |
| Tracking error | 3.3% | 3.3% | 0.0% | Not an edge | How far weekly returns stray from the benchmark, annualized. |
Computed by ETFIQ from Tiingo daily prices and ETFIQ's distribution records, 499 weekly returns. Cash rate: the 13-week Treasury bill.
What they share
By the books each fund has filed, EFA and IDEV hold 75% of their money in the same securities at the same weight. Holdings dated Oct 27, 2026.
half
75% in common
Only in one fund ↓
Side by side
EFA and IDEV on the fields both publish, as of Oct 28, 2026. Source: ETFIQ.
EFA and IDEV are built for the same job. How do they differ in cost, holdings and results?
- What each follows. EFA follows MSCI EAFE Index and IDEV follows MSCI World ex USA Investable Market Index.
- Number of holdings. EFA holds 665 positions and IDEV holds 2317.
- Cost. EFA charges 0.32% of assets a year and IDEV 0.04%, a gap of 0.28 points.
Data as of Oct 28, 2026.
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EFA
EFA tracks an index of Developed markets ex US. Over the year to Oct 28, 2026 it returned +12.1% with distributions reinvested, against +14.3% for its benchmark, the MSCI ACWI ex USA Index. The prospectus expense ratio is 0.32% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 665 positions, with the top ten at 14.3%. It sat 4.7% below its high of Aug 25, 2026 on Oct 28, 2026.
IDEV
IDEV tracks the MSCI International Developed Markets. Over the year to Oct 28, 2026 it returned +13.4% with distributions reinvested, against +14.3% for its benchmark, the MSCI ACWI ex USA Index. The prospectus expense ratio is 0.04% a year. By its holdings published by its issuer for Oct 27, 2026, 0% of the fund by weight is stocks the S&P 500 also holds, across 2,317 positions, with the top ten at 10.9%. It sat 4.4% below its high of Aug 25, 2026 on Oct 28, 2026.
Questions people ask
- Which returned more over the last year, EFA or IDEV?
- In the year to Oct 28, 2026, with distributions reinvested, EFA returned +12.1% and IDEV +13.4%.
- Which is cheaper, EFA or IDEV?
- IDEV is cheaper, by 0.28 percentage points a year. That is about $28 on $10,000 held for a year. Fees come from each fund's prospectus.
Links are sources, not endorsements. A comparison is not a recommendation.
How this is computed
Overlap adds up the smaller of the two weights for each security both funds hold.
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ETFIQ, EFA against IDEV, data as of Oct 28, 2026. https://etfiq.com/compare/any/efa-vs-idev
ETFIQ. (Oct 28, 2026). EFA against IDEV. Retrieved from https://etfiq.com/compare/any/efa-vs-idev
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