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CSPX.AS vs. SPIDX
Performance
Return for Risk
Drawdowns
Volatility
Dividends

CSPX.AS vs. SPIDX

Last updated Jun 5, 2026

CSPX.AS (iShares Core S&P 500 UCITS ETF) and SPIDX (Invesco S&P 500 Index Fund) are both S&P 500 funds tracking the S&P 500 Index, from iShares and Invesco respectively. Both are passively managed. Over the past 10 years, CSPX.AS returned 14.96%/yr vs 15.01%/yr for SPIDX. A 0.61 correlation means they provide meaningful diversification when combined. CSPX.AS charges 0.07%/yr vs 0.29%/yr for SPIDX.

Performance

CSPX.AS vs. SPIDX - Performance Comparison

The chart below illustrates the hypothetical performance of a €10,000 investment in iShares Core S&P 500 UCITS ETF (CSPX.AS) and Invesco S&P 500 Index Fund (SPIDX). The values are adjusted to include any dividend payments, if applicable.

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Different Trading Currencies

CSPX.AS is traded in EUR, while SPIDX is traded in USD. To make them comparable, the SPIDX values have been converted to EUR using the latest available exchange rates.

Returns By Period

In the year-to-date period, CSPX.AS achieves a 11.52% return, which is significantly lower than SPIDX's 12.18% return. Both investments have delivered pretty close results over the past 10 years, with CSPX.AS having a 14.96% annualized return and SPIDX not far ahead at 15.01%.

CSPX.AS

1D
-0.10%
1M
5.25%
YTD
11.52%
6M
11.45%
1Y
25.69%
3Y*
18.87%
5Y*
14.77%
10Y*
14.96%

SPIDX

1D
-0.46%
1M
4.99%
YTD
12.18%
6M
11.13%
1Y
25.76%
3Y*
18.91%
5Y*
14.68%
10Y*
15.01%
*Multi-year figures are annualized to reflect compound growth (CAGR)

CSPX.AS vs. SPIDX - Yearly Performance Comparison

2026 (YTD)202520242023202220212020201920182017
CSPX.AS
iShares Core S&P 500 UCITS ETF		11.52%4.00%33.87%22.28%-14.24%40.26%7.72%32.99%-0.36%7.13%
SPIDX
Invesco S&P 500 Index Fund		12.18%3.59%32.88%22.18%-13.31%37.90%8.39%34.07%-0.28%6.53%

Correlation

The correlation between CSPX.AS and SPIDX is 0.68, which is moderate. They share some common price drivers but move independently often enough to provide real diversification benefit when combined.

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

0.68

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

0.62

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

0.59

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

0.61

Correlation (All Time)
Calculated using the full available price history since May 6, 2014

0.61

The correlation between CSPX.AS and SPIDX has been stable across timeframes, ranging from 0.59 to 0.68 - a consistent structural relationship.

Compare stocks, funds, or ETFs

Search for stocks, ETFs, and funds for a quick comparison or use the comparison tool for more options.

iShares Core S&P 500 UCITS ETF

Invesco S&P 500 Index Fund

Often compared with CSPX.AS:
CSPX.AS vs. CSPX.LCSPX.AS vs. VUSA.LCSPX.AS vs. VOOCSPX.AS vs. SPYCSPX.AS vs. CNDX.ASCSPX.AS vs. VUSD.LCSPX.AS vs. SPYL.DE
Often compared with SPIDX:
SPIDX vs. SPYSPIDX vs. SPHQSPIDX vs. FXAIXSPIDX vs. SCPIXSPIDX vs. SWTSXSPIDX vs. CSPX.LSPIDX vs. QQQ

Return for Risk

CSPX.AS vs. SPIDX — Risk / Return Rank

Compare risk-adjusted metric ranks to identify better-performing investments over the past 12 months.
CSPX.AS
CSPX.AS Risk / Return Rank: 7070
Overall Rank
CSPX.AS Sharpe Ratio Rank: 7070
Sharpe Ratio Rank
CSPX.AS Sortino Ratio Rank: 6868
Sortino Ratio Rank
CSPX.AS Omega Ratio Rank: 7272
Omega Ratio Rank
CSPX.AS Calmar Ratio Rank: 7272
Calmar Ratio Rank
CSPX.AS Martin Ratio Rank: 7070
Martin Ratio Rank
SPIDX
SPIDX Risk / Return Rank: 6666
Overall Rank
SPIDX Sharpe Ratio Rank: 6464
Sharpe Ratio Rank
SPIDX Sortino Ratio Rank: 5858
Sortino Ratio Rank
SPIDX Omega Ratio Rank: 5959
Omega Ratio Rank
SPIDX Calmar Ratio Rank: 6767
Calmar Ratio Rank
SPIDX Martin Ratio Rank: 7979
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.

CSPX.AS vs. SPIDX - Risk-Adjusted Trends Comparison

This table presents a comparison of risk-adjusted performance metrics for iShares Core S&P 500 UCITS ETF (CSPX.AS) and Invesco S&P 500 Index Fund (SPIDX). 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.

CSPX.ASSPIDXDifference
Sharpe ratioReturn per unit of total volatility
2.25
2.07

+0.18

Sortino ratioReturn per unit of downside risk
3.06
2.70

+0.36

Omega ratioGain probability vs. loss probability

1.42

1.38

+0.04

Calmar ratioReturn relative to maximum drawdown

3.57

3.46

+0.10

Martin ratioReturn relative to average drawdown

12.76

13.04

-0.28

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

CSPX.AS vs. SPIDX - Sharpe Ratio Comparison

The current CSPX.AS Sharpe Ratio is 2.25, which is comparable to the SPIDX Sharpe Ratio of 2.07. The chart below compares the historical Sharpe Ratios of CSPX.AS and SPIDX, 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

CSPX.ASSPIDXDifference

Sharpe Ratio (1Y)

Calculated over the trailing 1-year period

2.25

2.07

+0.18

Sharpe Ratio (5Y)

Calculated over the trailing 5-year period

0.96

0.88

+0.08

Sharpe Ratio (10Y)

Calculated over the trailing 10-year period

0.92

0.81

+0.11

Sharpe Ratio (All Time)

Calculated using the full available price history

0.93

0.60

+0.33

Drawdowns

CSPX.AS vs. SPIDX - Drawdown Comparison

The maximum CSPX.AS drawdown since its inception was -33.65%, smaller than the maximum SPIDX drawdown of -49.97%. Use the drawdown chart below to compare losses from any high point for CSPX.AS and SPIDX.

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Drawdown Indicators

CSPX.ASSPIDXDifference

Max Drawdown

Largest peak-to-trough decline

-33.65%

-49.97%

+16.32%

Max Drawdown (1Y)

Largest decline over 1 year

-7.11%

-7.37%

+0.26%

Max Drawdown (3Y)

Largest decline over 3 years

-23.37%

-23.88%

+0.51%

Max Drawdown (5Y)

Largest decline over 5 years

-23.37%

-23.88%

+0.51%

Max Drawdown (10Y)

Largest decline over 10 years

-33.65%

-33.33%

-0.32%

Current Drawdown

Current decline from peak

-0.40%

-0.46%

+0.06%

Average Drawdown

Average peak-to-trough decline

-4.28%

-7.91%

+3.63%

Ulcer Index

Depth and duration of drawdowns from previous peaks

2.00%

1.95%

+0.05%

Volatility

CSPX.AS vs. SPIDX - Volatility Comparison

iShares Core S&P 500 UCITS ETF (CSPX.AS) has a higher volatility of 2.59% compared to Invesco S&P 500 Index Fund (SPIDX) at 2.30%. This indicates that CSPX.AS's price experiences larger fluctuations and is considered to be riskier than SPIDX based on this measure. The chart below showcases a comparison of their rolling one-month volatility.

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Volatility by Period

CSPX.ASSPIDXDifference

Volatility (1M)

Calculated over the trailing 1-month period

2.59%

2.30%

+0.29%

Volatility (6M)

Calculated over the trailing 6-month period

7.37%

8.64%

-1.27%

Volatility (1Y)

Calculated over the trailing 1-year period

11.26%

12.35%

-1.09%

Volatility (5Y)

Calculated over the trailing 5-year period, annualized

15.13%

16.81%

-1.68%

Volatility (10Y)

Calculated over the trailing 10-year period, annualized

16.05%

18.62%

-2.57%

CSPX.AS vs. SPIDX - Expense Ratio Comparison

CSPX.AS has a 0.07% expense ratio, which is lower than SPIDX's 0.29% expense ratio.

Dividends

CSPX.AS vs. SPIDX - Dividend Comparison

CSPX.AS has not paid dividends to shareholders, while SPIDX's dividend yield for the trailing twelve months is around 0.97%.

PositionTTM20252024202320222021202020192018201720162015
CSPX.AS
iShares Core S&P 500 UCITS ETF		0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%0.00%
SPIDX
Invesco S&P 500 Index Fund		0.97%1.07%1.28%1.23%1.14%2.09%1.45%2.11%2.82%1.49%1.49%1.74%

Frequently Asked Questions

CSPX.AS and SPIDX have a correlation of 0.68, meaning they provide meaningful diversification benefit when combined. Depending on your allocation goals, holding both could reduce overall portfolio risk.

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