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

SWDA.L vs. ISAC.L

Last updated Jun 5, 2026

SWDA.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 - SWDA.L tracks the MSCI World Index while ISAC.L tracks the MSCI ACWI Index. Both are passively managed. Over the past 10 years, SWDA.L returned 13.91%/yr vs 13.48%/yr for ISAC.L. Their correlation of 0.88 suggests significant overlap in exposure. Both charge a 0.20% expense ratio.

Performance

SWDA.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) (SWDA.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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Different Trading Currencies

SWDA.L is traded in GBp, while ISAC.L is traded in USD. To make them comparable, the ISAC.L values have been converted to GBp using the latest available exchange rates.

Returns By Period

In the year-to-date period, SWDA.L achieves a 10.08% return, which is significantly lower than ISAC.L's 12.06% return. Both investments have delivered pretty close results over the past 10 years, with SWDA.L having a 13.91% annualized return and ISAC.L not far behind at 13.48%.

SWDA.L

1D
0.15%
1M
5.12%
YTD
10.08%
6M
10.35%
1Y
27.25%
3Y*
17.68%
5Y*
13.06%
10Y*
13.91%

ISAC.L

1D
0.00%
1M
5.28%
YTD
12.06%
6M
12.30%
1Y
30.14%
3Y*
18.17%
5Y*
12.60%
10Y*
13.48%
*Multi-year figures are annualized to reflect compound growth (CAGR)

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

2026 (YTD)202520242023202220212020201920182017
SWDA.L
iShares Core MSCI World UCITS ETF USD (Acc)		10.08%12.64%21.11%17.59%-8.33%23.64%12.25%23.03%-3.78%11.78%
ISAC.L
iShares MSCI ACWI UCITS ETF USD (Acc)		11.99%13.64%19.87%16.44%-8.43%19.97%12.26%20.98%-4.37%13.63%

Correlation

The correlation between SWDA.L and ISAC.L is 0.90, indicating a strong positive relationship between their price movements. Combining them offers limited diversification - they tend to fall together during downturns.

Correlation
Correlation (1Y)
Calculated over the trailing 1-year period

0.90

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

0.91

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

0.91

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

0.91

Correlation (All Time)
Calculated using the full available price history since Nov 8, 2011

0.88

The correlation between SWDA.L and ISAC.L has been stable across timeframes, ranging from 0.88 to 0.91 - a consistent structural relationship.

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

Sectors
SWDA.L
ISAC.L

Technology

30.0%
33.9%

Financial Services

15.4%
17.3%

Industrials

10.9%
9.0%

Communication Services

9.2%
8.6%

Consumer Cyclical

9.0%
8.5%

Healthcare

8.7%
7.8%

Consumer Defensive

5.2%
4.4%

Energy

4.2%
3.6%

Basic Materials

3.2%
2.9%

Utilities

2.5%
2.2%

Real Estate

1.8%
1.2%

Technology

SWDA.L
30.0%
ISAC.L
33.9%

Financial Services

SWDA.L
15.4%
ISAC.L
17.3%

Industrials

SWDA.L
10.9%
ISAC.L
9.0%

Communication Services

SWDA.L
9.2%
ISAC.L
8.6%

Consumer Cyclical

SWDA.L
9.0%
ISAC.L
8.5%

Healthcare

SWDA.L
8.7%
ISAC.L
7.8%

Consumer Defensive

SWDA.L
5.2%
ISAC.L
4.4%

Energy

SWDA.L
4.2%
ISAC.L
3.6%

Basic Materials

SWDA.L
3.2%
ISAC.L
2.9%

Utilities

SWDA.L
2.5%
ISAC.L
2.2%

Real Estate

SWDA.L
1.8%
ISAC.L
1.2%

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iShares Core MSCI World UCITS ETF USD (Acc)

iShares MSCI ACWI UCITS ETF USD (Acc)

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Often compared with ISAC.L:
ISAC.L vs. VWRA.LISAC.L vs. SSAC.LISAC.L vs. IWDA.LISAC.L vs. VTISAC.L vs. VOOISAC.L vs. SWRD.LISAC.L vs. FWRG.L

Return for Risk

SWDA.L vs. ISAC.L — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
SWDA.L
SWDA.L Risk / Return Rank: 8383
Overall Rank
SWDA.L Sharpe Ratio Rank: 8383
Sharpe Ratio Rank
SWDA.L Sortino Ratio Rank: 8383
Sortino Ratio Rank
SWDA.L Omega Ratio Rank: 8484
Omega Ratio Rank
SWDA.L Calmar Ratio Rank: 8181
Calmar Ratio Rank
SWDA.L Martin Ratio Rank: 8383
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.

SWDA.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) (SWDA.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.

SWDA.LISAC.LDifference
Sharpe ratioReturn per unit of total volatility
2.66
2.52

+0.14

Sortino ratioReturn per unit of downside risk
3.69
3.48

+0.22

Omega ratioGain probability vs. loss probability

1.51

1.48

+0.03

Calmar ratioReturn relative to maximum drawdown

4.14

4.36

-0.22

Martin ratioReturn relative to average drawdown

16.55

16.74

-0.19

Data is calculated on a 1-year rolling basis and updated daily. The trend shows the change in the indicator over the past month.

SWDA.L vs. ISAC.L - Sharpe Ratio Comparison

The current SWDA.L Sharpe Ratio is 2.66, which is comparable to the ISAC.L Sharpe Ratio of 2.52. The chart below compares the historical Sharpe Ratios of SWDA.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

SWDA.LISAC.LDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.66

2.52

+0.14

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.98

0.88

+0.10

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.96

0.87

+0.09

Sharpe Ratio (All Time)

Calculated using the full available price history

0.88

0.86

+0.03

Drawdowns

SWDA.L vs. ISAC.L - Drawdown Comparison

The maximum SWDA.L drawdown since its inception was -25.58%, roughly equal to the maximum ISAC.L drawdown of -25.84%. Use the drawdown chart below to compare losses from any high point for SWDA.L and ISAC.L.

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Drawdown Indicators

SWDA.LISAC.LDifference

Max Drawdown

Largest peak-to-trough decline

-25.58%

-25.84%

+0.26%

Max Drawdown (1Y)

Largest decline over 1 year

-6.55%

-6.88%

+0.33%

Max Drawdown (3Y)

Largest decline over 3 years

-18.50%

-18.33%

-0.17%

Max Drawdown (5Y)

Largest decline over 5 years

-18.50%

-18.33%

-0.17%

Max Drawdown (10Y)

Largest decline over 10 years

-25.58%

-25.84%

+0.26%

Current Drawdown

Current decline from peak

-0.10%

-0.36%

+0.26%

Average Drawdown

Average peak-to-trough decline

-3.49%

-3.56%

+0.07%

Ulcer Index

Depth and duration of drawdowns from previous peaks

1.64%

1.80%

-0.16%

Volatility

SWDA.L vs. ISAC.L - Volatility Comparison

The current volatility for iShares Core MSCI World UCITS ETF USD (Acc) (SWDA.L) is 2.52%, while iShares MSCI ACWI UCITS ETF USD (Acc) (ISAC.L) has a volatility of 3.74%. This indicates that SWDA.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

SWDA.LISAC.LDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.52%

3.74%

-1.22%

Volatility (6M)

Calculated over the trailing 6-month period

7.29%

9.25%

-1.96%

Volatility (1Y)

Calculated over the trailing 1-year period

10.19%

11.90%

-1.71%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

13.30%

14.29%

-0.99%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

14.50%

15.49%

-0.99%

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

Both SWDA.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

SWDA.L vs. ISAC.L - Dividend Comparison

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

Tickers have no history of dividend payments

Frequently Asked Questions

With a correlation of 0.90, SWDA.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.

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

SWDA.L tracks MSCI World Index, while ISAC.L tracks MSCI ACWI Index.

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