IWDA.L vs. IMID.L

Last updated Jun 5, 2026

IWDA.L (iShares Core MSCI World UCITS ETF USD (Acc)) and IMID.L (SPDR MSCI ACWI IMI) are both Global Equities funds - IWDA.L tracks the MSCI World Index (Net) while IMID.L tracks the MSCI ACWI NR USD. Both are passively managed. Over the past 5 years, IWDA.L returned 11.86%/yr vs 10.97%/yr for IMID.L. With a 0.98 correlation, they move nearly in lockstep. IWDA.L charges 0.20%/yr vs 0.40%/yr for IMID.L.

Performance

IWDA.L vs. IMID.L - Performance Comparison

The chart below illustrates the hypothetical performance of a $10,000 investment in iShares Core MSCI World UCITS ETF USD (Acc) (IWDA.L) and SPDR MSCI ACWI IMI (IMID.L). The values are adjusted to include any dividend payments, if applicable.

Returns By Period

In the year-to-date period, IWDA.L achieves a 9.83% return, which is significantly lower than IMID.L's 12.35% return.

IWDA.L

• 1D: 0.10%
• 1M: 4.07%
• YTD: 9.83%
• 6M: 10.98%
• 1Y: 25.98%
• 3Y*: 20.77%
• 5Y*: 11.86%
• 10Y*: 13.07%

IMID.L

• 1D: 0.04%
• 1M: 4.45%
• YTD: 12.35%
• 6M: 13.70%
• 1Y: 30.09%
• 3Y*: 20.83%
• 5Y*: 10.97%
• 10Y*: —

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

IWDA.L vs. IMID.L - Yearly Performance Comparison

	2026 (YTD)	2025	2024	2023	2022	2021	2020	2019	2018
IWDA.L iShares Core MSCI World UCITS ETF USD (Acc)	9.83%	21.03%	19.11%	24.27%	-18.11%	22.19%	16.06%	27.13%	-8.44%
IMID.L SPDR MSCI ACWI IMI	12.35%	22.16%	16.31%	21.65%	-17.64%	17.85%	16.14%	25.35%	-9.90%

Correlation

The correlation between IWDA.L and IMID.L is 0.98 - these two move nearly in lockstep. At this level, holding both provides almost no diversification benefit. If you already own one, adding the other does little to reduce portfolio risk.

	Correlation
Correlation (1Y) Calculated over the trailing 1-year period	0.98
Correlation (3Y) Calculated over the trailing 3-year period	0.98
Correlation (5Y) Calculated over the trailing 5-year period	0.98
Correlation (All Time) Calculated using the full available price history since May 30, 2018	0.98

The correlation between IWDA.L and IMID.L has been stable across timeframes, ranging from 0.98 to 0.98 - a consistent structural relationship.

IWDA.L vs. IMID.L - Sectors Allocation Comparison

Sectors	IWDA.L	IMID.L
Technology	32.9%	9.6%
Financial Services	14.9%	13.0%
Industrials	9.7%	19.5%
Communication Services	9.3%	3.1%
Consumer Cyclical	8.8%	9.7%
Healthcare	8.6%	9.6%
Consumer Defensive	4.8%	9.7%
Energy	3.9%	1.6%
Basic Materials	2.8%	8.2%
Utilities	2.4%	3.3%
Real Estate	1.2%	8.0%

Return for Risk

IWDA.L vs. IMID.L — Risk / Return Rank

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

IWDA.L

IWDA.L Risk / Return Rank: 68
IWDA.L Sharpe Ratio Rank: 67
IWDA.L Sortino Ratio Rank: 73
IWDA.L Omega Ratio Rank: 67
IWDA.L Calmar Ratio Rank: 64
IWDA.L Martin Ratio Rank: 72

IMID.L

IMID.L Risk / Return Rank: 75
IMID.L Sharpe Ratio Rank: 74
IMID.L Sortino Ratio Rank: 80
IMID.L Omega Ratio Rank: 75
IMID.L Calmar Ratio Rank: 70
IMID.L Martin Ratio Rank: 75

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.

IWDA.L vs. IMID.L - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core MSCI World UCITS ETF USD (Acc) (IWDA.L) and SPDR MSCI ACWI IMI (IMID.L). 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.

	IWDA.L	IMID.L	Difference
Sharpe ratio: Return per unit of total volatility	2.17	2.37	-0.20
Sortino ratio: Return per unit of downside risk	3.26	3.52	-0.27
Omega ratio: Gain probability vs. loss probability	1.40	1.44	-0.04
Calmar ratio: Return relative to maximum drawdown	3.11	3.43	-0.32
Martin ratio: Return relative to average drawdown	13.16	14.20	-1.04
Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

IWDA.L vs. IMID.L - Sharpe Ratio Comparison

The current IWDA.L Sharpe Ratio is 2.17, which is comparable to the IMID.L Sharpe Ratio of 2.37. The chart below compares the historical Sharpe Ratios of IWDA.L and IMID.L, 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

	IWDA.L	IMID.L	Difference
Sharpe Ratio (1Y) Calculated over the trailing 1-year period	2.17	2.37	-0.20
Sharpe Ratio (5Y) Calculated over the trailing 5-year period	0.76	0.71	+0.05
Sharpe Ratio (10Y) Calculated over the trailing 10-year period	0.82	—	—
Sharpe Ratio (All Time) Calculated using the full available price history	0.79	0.56	+0.23

Drawdowns

IWDA.L vs. IMID.L - Drawdown Comparison

The maximum IWDA.L drawdown since its inception was -34.11%, smaller than the maximum IMID.L drawdown of -39.56%. Use the drawdown chart below to compare losses from any high point for IWDA.L and IMID.L.

Drawdown Indicators

	IWDA.L	IMID.L	Difference
Max Drawdown Largest peak-to-trough decline	-34.11%	-39.56%	+5.45%
Max Drawdown (1Y) Largest decline over 1 year	-8.31%	-8.69%	+0.38%
Max Drawdown (3Y) Largest decline over 3 years	-16.94%	-17.21%	+0.27%
Max Drawdown (5Y) Largest decline over 5 years	-25.88%	-26.07%	+0.19%
Max Drawdown (10Y) Largest decline over 10 years	-34.11%	—	—
Current Drawdown Current decline from peak	-0.43%	-0.64%	+0.21%
Average Drawdown Average peak-to-trough decline	-4.44%	-5.40%	+0.96%
Ulcer Index Depth and duration of drawdowns from previous peaks	1.97%	2.11%	-0.14%

Volatility

IWDA.L vs. IMID.L - Volatility Comparison

The current volatility for iShares Core MSCI World UCITS ETF USD (Acc) (IWDA.L) is 3.40%, while SPDR MSCI ACWI IMI (IMID.L) has a volatility of 3.74%. This indicates that IWDA.L experiences smaller price fluctuations and is considered to be less risky than IMID.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

Volatility by Period

	IWDA.L	IMID.L	Difference
Volatility (1M) Calculated over the trailing 1-month period	3.40%	3.74%	-0.34%
Volatility (6M) Calculated over the trailing 6-month period	9.19%	9.93%	-0.74%
Volatility (1Y) Calculated over the trailing 1-year period	11.93%	12.60%	-0.67%
Volatility (5Y) Calculated over the trailing 5-year period, annualized	15.68%	15.53%	+0.15%
Volatility (10Y) Calculated over the trailing 10-year period, annualized	15.91%	21.23%	-5.32%

IWDA.L vs. IMID.L - Expense Ratio Comparison

IWDA.L has a 0.20% expense ratio, which is lower than IMID.L's 0.40% expense ratio.

Dividends

IWDA.L vs. IMID.L - Dividend Comparison

Neither IWDA.L nor IMID.L has paid dividends to shareholders.

Tickers have no history of dividend payments

Frequently Asked Questions

Can I hold both IWDA.L and IMID.L in my portfolio?

With a correlation of 0.98, IWDA.L and IMID.L move almost identically. Holding both adds very little diversification - you're essentially doubling your position in the same market segment. Choosing one is usually more capital-efficient.

Which ETF is better, IWDA.L or IMID.L?

On fees, IWDA.L is cheaper at 0.20% per year. The better choice depends on whether you care most about return, fees, risk, or income.

Which ETF is cheaper, IWDA.L or IMID.L?

IWDA.L is cheaper with a 0.20% expense ratio, compared with 0.40% for IMID.L.

What is the main difference between IWDA.L and IMID.L?

IWDA.L tracks MSCI World Index (Net), while IMID.L tracks MSCI ACWI NR USD. They also come from different issuers: iShares and State Street. Their fees differ too: 0.20% for IWDA.L and 0.40% for IMID.L.