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IWDA.L vs. ISAC.L
Performance
Return for Risk
Drawdowns
Volatility
Dividends

IWDA.L vs. ISAC.L

Last updated Jun 5, 2026

IWDA.L (iShares Core MSCI World UCITS ETF USD (Acc)) and ISAC.L (iShares MSCI ACWI UCITS ETF USD (Acc)) are both Global Equities funds from iShares - IWDA.L tracks the MSCI World Index (Net) while ISAC.L tracks the MSCI ACWI Index. Both are passively managed. Over the past 10 years, IWDA.L returned 13.07%/yr vs 12.63%/yr for ISAC.L. Their correlation of 0.93 suggests significant overlap in exposure. Both charge a 0.20% expense ratio.

Performance

IWDA.L vs. ISAC.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 iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.L). The values are adjusted to include any dividend payments, if applicable.

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Returns By Period

In the year-to-date period, IWDA.L achieves a 9.83% return, which is significantly lower than ISAC.L's 11.54% return. Both investments have delivered pretty close results over the past 10 years, with IWDA.L having a 13.07% annualized return and ISAC.L not far behind at 12.63%.

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%

ISAC.L

1D
-0.10%
1M
4.26%
YTD
11.54%
6M
13.01%
1Y
28.81%
3Y*
21.19%
5Y*
11.38%
10Y*
12.63%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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

2026 (YTD)202520242023202220212020201920182017
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%-9.01%22.77%
ISAC.L
iShares MSCI ACWI UCITS ETF USD (Acc)		11.54%22.36%17.81%22.57%-18.16%18.85%15.66%25.77%-9.73%24.39%

Correlation

The correlation between IWDA.L and ISAC.L is 0.99 - 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

0.99

Correlation (3Y)
Calculated over the trailing 3-year period

0.99

Correlation (5Y)
Calculated over the trailing 5-year period

0.99

Correlation (10Y)
Calculated over the trailing 10-year period

0.99

Correlation (All Time)
Calculated using the full available price history since Nov 7, 2011

0.93

The correlation between IWDA.L and ISAC.L has been stable across timeframes, ranging from 0.93 to 0.99 - a consistent structural relationship.

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

Sectors
IWDA.L
ISAC.L

Technology

32.9%
33.9%

Financial Services

14.9%
17.3%

Industrials

9.7%
9.0%

Communication Services

9.3%
8.6%

Consumer Cyclical

8.8%
8.5%

Healthcare

8.6%
7.8%

Consumer Defensive

4.8%
4.4%

Energy

3.9%
3.6%

Basic Materials

2.8%
2.9%

Utilities

2.4%
2.2%

Real Estate

1.2%
1.2%

Technology

IWDA.L
32.9%
ISAC.L
33.9%

Financial Services

IWDA.L
14.9%
ISAC.L
17.3%

Industrials

IWDA.L
9.7%
ISAC.L
9.0%

Communication Services

IWDA.L
9.3%
ISAC.L
8.6%

Consumer Cyclical

IWDA.L
8.8%
ISAC.L
8.5%

Healthcare

IWDA.L
8.6%
ISAC.L
7.8%

Consumer Defensive

IWDA.L
4.8%
ISAC.L
4.4%

Energy

IWDA.L
3.9%
ISAC.L
3.6%

Basic Materials

IWDA.L
2.8%
ISAC.L
2.9%

Utilities

IWDA.L
2.4%
ISAC.L
2.2%

Real Estate

IWDA.L
1.2%
ISAC.L
1.2%

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iShares Core MSCI World UCITS ETF USD (Acc)

iShares MSCI ACWI UCITS ETF USD (Acc)

Often compared with IWDA.L:
IWDA.L vs. VWCE.DEIWDA.L vs. SWDA.LIWDA.L vs. VWRP.LIWDA.L vs. VUAA.LIWDA.L vs. URTHIWDA.L vs. ACWI.LIWDA.L vs. SPY
Often compared with ISAC.L:
ISAC.L vs. VWRA.LISAC.L vs. SSAC.LISAC.L vs. VTISAC.L vs. SWDA.LISAC.L vs. VOOISAC.L vs. SWRD.LISAC.L vs. FWRG.L

Return for Risk

IWDA.L vs. ISAC.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: 6868
Overall Rank
IWDA.L Sharpe Ratio Rank: 6767
Sharpe Ratio Rank
IWDA.L Sortino Ratio Rank: 7373
Sortino Ratio Rank
IWDA.L Omega Ratio Rank: 6767
Omega Ratio Rank
IWDA.L Calmar Ratio Rank: 6464
Calmar Ratio Rank
IWDA.L Martin Ratio Rank: 7272
Martin Ratio Rank
ISAC.L
ISAC.L Risk / Return Rank: 7373
Overall Rank
ISAC.L Sharpe Ratio Rank: 7272
Sharpe Ratio Rank
ISAC.L Sortino Ratio Rank: 7777
Sortino Ratio Rank
ISAC.L Omega Ratio Rank: 7373
Omega Ratio Rank
ISAC.L Calmar Ratio Rank: 6767
Calmar Ratio Rank
ISAC.L Martin Ratio Rank: 7474
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.

IWDA.L vs. ISAC.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 iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.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.LISAC.LDifference
Sharpe ratioReturn per unit of total volatility
2.17
2.31

-0.14

Sortino ratioReturn per unit of downside risk
3.26
3.42

-0.17

Omega ratioGain probability vs. loss probability

1.40

1.43

-0.03

Calmar ratioReturn relative to maximum drawdown

3.11

3.27

-0.16

Martin ratioReturn relative to average drawdown

13.16

13.72

-0.55

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. ISAC.L - Sharpe Ratio Comparison

The current IWDA.L Sharpe Ratio is 2.17, which is comparable to the ISAC.L Sharpe Ratio of 2.31. The chart below compares the historical Sharpe Ratios of IWDA.L and ISAC.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.

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Sharpe Ratios by Period

IWDA.LISAC.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.17

2.31

-0.14

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.76

0.73

+0.03

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.82

0.79

+0.03

Sharpe Ratio (All Time)

Calculated using the full available price history

0.79

0.75

+0.04

Drawdowns

IWDA.L vs. ISAC.L - Drawdown Comparison

The maximum IWDA.L drawdown since its inception was -34.11%, roughly equal to the maximum ISAC.L drawdown of -33.82%. Use the drawdown chart below to compare losses from any high point for IWDA.L and ISAC.L.

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Drawdown Indicators

IWDA.LISAC.LDifference

Max Drawdown

Largest peak-to-trough decline

-34.11%

-33.82%

-0.29%

Max Drawdown (1Y)

Largest decline over 1 year

-8.31%

-8.77%

+0.46%

Max Drawdown (3Y)

Largest decline over 3 years

-16.94%

-16.56%

-0.38%

Max Drawdown (5Y)

Largest decline over 5 years

-25.88%

-26.07%

+0.19%

Max Drawdown (10Y)

Largest decline over 10 years

-34.11%

-33.82%

-0.29%

Current Drawdown

Current decline from peak

-0.43%

-0.72%

+0.29%

Average Drawdown

Average peak-to-trough decline

-4.44%

-4.69%

+0.25%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.97%

2.10%

-0.13%

Volatility

IWDA.L vs. ISAC.L - Volatility Comparison

The current volatility for iShares Core MSCI World UCITS ETF USD (Acc) (IWDA.L) is 3.40%, while iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.L) has a volatility of 3.84%. This indicates that IWDA.L experiences smaller price fluctuations and is considered to be less risky than ISAC.L based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

IWDA.LISAC.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

3.40%

3.84%

-0.44%

Volatility (6M)

Calculated over the trailing 6-month period

9.19%

9.77%

-0.58%

Volatility (1Y)

Calculated over the trailing 1-year period

11.93%

12.40%

-0.47%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.68%

15.57%

+0.11%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

15.91%

15.95%

-0.04%

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

Both IWDA.L and ISAC.L have an expense ratio of 0.20%, making them cost-effective options compared to the broader market, where average expense ratios typically range from 0.3% to 0.9%.

Dividends

IWDA.L vs. ISAC.L - Dividend Comparison

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

Tickers have no history of dividend payments

Frequently Asked Questions

With a correlation of 0.99, IWDA.L and ISAC.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.

Both ETFs have the same 0.20% expense ratio. The better choice depends on whether you care most about return, fees, risk, or income.

IWDA.L and ISAC.L have the same expense ratio: 0.20% per year.

IWDA.L tracks MSCI World Index (Net), while ISAC.L tracks MSCI ACWI Index.

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