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.

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 turned it into
£42,477
+15.56% per year on average · 20162025
CNX1 turned it into
£63,451
+20.29% per year on average · 20162025
Difference
−£20,973
CNX1 made more of the same money

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.

Years compared
17
where both funds were trading
CSP1 won
3
years
CNX1 won
14
years
YearCSP1CNX1Winner
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

FactCSP1CNX1
FundiShares Core S&P 500 UCITS ETF USD (Acc)iShares Nasdaq 100 UCITS ETF (Acc)
TracksS&P 500 IndexNasdaq-100 Index
Yearly cost (TER)0.07%0.30%
DividendsAccumulating — dividends reinvestedAccumulating — dividends reinvested
Launched19 May 201026 Jan 2010
ISINIE00B5BMR087IE00B53SZB19

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.

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