CSP1 vs CNX1: which ETF won each year?
Yearly returns side by side, one winner per year — dividends included, priced as you'd actually buy them.
Every figure here is in pounds — what you'd actually pocket buying on the London Stock Exchange. Fund fact sheets usually headline returns in US dollars, which can look very different in years when the pound moves against the dollar. Here's the full story, year by year.
CSP1tracks the S&P 500 Index
CNX1tracks the Nasdaq-100 Index
CSP1 tracks the S&P 500 IndexCNX1 tracks the Nasdaq-100 Index
What did the last 10 years do to £10,000?
You invest £10,000 at the start of the window and touch nothing — dividends reinvested, the running year not counted.
CSP1 vs CNX1, year by year
Calendar-year total returns (dividends included) side by side, and who took the crown each year. A dash means the fund did not exist yet.
| Year | CSP1 | CNX1 | Winner |
|---|---|---|---|
| 2026 (so far) | +10.66% | +20.13% | CNX1 |
| 2025 | +9.37% | +11.83% | CNX1 |
| 2024 | +27.35% | +28.51% | CNX1 |
| 2023 | +19.79% | +47.71% | CNX1 |
| 2022 | -9.05% | -25.53% | CSP1 |
| 2021 | +31.07% | +29.50% | CSP1 |
| 2020 | +13.65% | +43.24% | CNX1 |
| 2019 | +26.42% | +33.63% | CNX1 |
| 2018 | +0.01% | +4.62% | CNX1 |
| 2017 | +10.83% | +20.13% | CNX1 |
| 2016 | +34.10% | +28.85% | CSP1 |
| 2015 | +5.78% | +14.71% | CNX1 |
| 2014 | +22.03% | +28.19% | CNX1 |
| 2013 | +31.40% | +36.05% | CNX1 |
| 2012 | +7.14% | +9.20% | CNX1 |
| 2011 | +1.73% | +3.56% | CNX1 |
| 2010 | -26.08% | -20.33% | CNX1 |
CSP1 vs CNX1 in plain words
CSP1 tracks the S&P 500 Index while CNX1 follows the Nasdaq-100 Index, so they own different slices of the market and their years can look very different. CSP1 charges 0.07% a year in running costs and CNX1 charges 0.30% — CSP1 is the cheaper fund to hold.
Both are accumulating funds: dividends are reinvested inside the fund and show up as a higher share price, never as a payout. Across the 17 calendar years both funds were trading, CSP1 finished the year ahead 3 times and CNX1 14 times. £10,000 invested at the start of 2016 was worth £42,477 in CSP1 versus £63,451 in CNX1 by the end of 2025, dividends reinvested.
CSPX is the London (USD) listing and SXR8 the Xetra (EUR) line of the same fund, ISIN IE00B5BMR087 — CSP1 is its GBP line on the London Stock Exchange.
CNDX is the London (USD) listing and SXRV the Xetra (EUR) line of the same fund, ISIN IE00B53SZB19 — CNX1 is its GBP line on the London Stock Exchange.
Fund facts: CSP1 vs CNX1
| Fact | CSP1 | CNX1 |
|---|---|---|
| Fund | iShares Core S&P 500 UCITS ETF USD (Acc) | iShares Nasdaq 100 UCITS ETF (Acc) |
| Tracks | S&P 500 Index | Nasdaq-100 Index |
| Yearly cost (TER) | 0.07% | 0.30% |
| Dividends | Accumulating — dividends reinvested | Accumulating — dividends reinvested |
| Launched | 19 May 2010 | 26 Jan 2010 |
| ISIN | IE00B5BMR087 | IE00B53SZB19 |
Frequently asked
Is CSP1 or CNX1 better?
Across the 17 calendar years both funds were trading, CSP1 finished the year ahead 3 times and CNX1 14 times. £10,000 invested at the start of 2016 was worth £42,477 in CSP1 versus £63,451 in CNX1 by the end of 2025, dividends reinvested. Past returns don't promise future ones — but this is what actually happened.
What is the difference between CSP1 and CNX1?
CSP1 tracks the S&P 500 Index while CNX1 follows the Nasdaq-100 Index, so they own different slices of the market and their years can look very different. CSP1 charges 0.07% a year in running costs and CNX1 charges 0.30% — CSP1 is the cheaper fund to hold. Both are accumulating funds: dividends are reinvested inside the fund and show up as a higher share price, never as a payout.
What would £10,000 in CSP1 have become?
£10,000 invested in CSP1 at the start of 2016 grew to £42,477 by the end of 2025, with dividends reinvested — an average of 15.6% per year.
Related comparisons
More head-to-heads featuring CSP1 or CNX1.