Compare CSSPX vs. IDUS ETF performance

The ETFs iShares Core S&P 500 UCITS ETF (CSSPX) and iShares Core S&P 500 UCITS ETF (IDUS) are passive ETFs that track the performance of the S&P 500 Net Total Return Index - USD. As a result, they allow investors to get exposure to US Large & Mid Cap. iShares Core S&P 500 UCITS ETF (CSSPX) has a higher tracking difference (+13.88bps) than iShares Core S&P 500 UCITS ETF (IDUS) (+13.19bps), and a lower tracking error (+1.17bps vs. +1.24bps). Both funds use a Direct (Physical) replication method to follow their index and a replication model of Full replication. Both funds invest in the same top 3 sectors: Technology, Finance and Healthcare. CSSPX’s top underlying securities are Apple, Inc. (7.65%), NVIDIA Corp. (7.38%) and Microsoft Corp. (5.23%). IDUS’s top underlying securities are Apple, Inc. (7.65%), NVIDIA Corp. (7.38%) and Microsoft Corp. (5.23%). With a Total Expense Ratio (TER) of 0.07%, CSSPX is cheaper than IDUS, with 0.07%. CSSPX has a 3M average daily volume (ADV) of +$133M vs. +$21M for IDUS.  The recorded 1Y bid-ask spread is +2.50bps (CSSPX) and +3.26bps (IDUS). The table below shows the full side-by-side ETF comparison of CSSPX and IDUS, with detailed data on performance, flows, liquidity, exposure to individual stocks, segments, sectors, and geographies, helping you select the best ETFs.