OriginaveCSP1 vs SSAC (ISAC): 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
- CSP1iShares Core S&P 500 UCITS ETF USD (Acc)tracks the S&P 500 Index
- SSACiShares MSCI ACWI UCITS ETF USD (Acc)tracks the MSCI ACWI Index
VWRPVanguard FTSE All-World UCITS ETF (Acc)tracks the FTSE All-World Index- VHVGVanguard FTSE Developed World UCITS ETF (Acc)tracks the FTSE Developed World Index
- SWDAiShares Core MSCI World UCITS ETF (Acc)tracks the MSCI World Index
- CNX1iShares Nasdaq 100 UCITS ETF (Acc)tracks the Nasdaq-100 Index
- VHYLVanguard FTSE All-World High Dividend Yield UCITS ETF (Dist)tracks the FTSE All-World High Dividend Yield Index
- IWFViShares Edge MSCI World Value Factor UCITS ETFtracks the MSCI World Enhanced Value Index
- IWFMiShares Edge MSCI World Momentum Factor UCITS ETF (Acc)tracks the MSCI World Momentum Index
- IWFQiShares Edge MSCI World Quality Factor UCITS ETF (Acc)tracks the MSCI World Sector Neutral Quality Index
SSAC
- CSP1iShares Core S&P 500 UCITS ETF USD (Acc)tracks the S&P 500 Index
- SSACiShares MSCI ACWI UCITS ETF USD (Acc)tracks the MSCI ACWI Index
- VWRPVanguard FTSE All-World UCITS ETF (Acc)tracks the FTSE All-World Index
- VHVGVanguard FTSE Developed World UCITS ETF (Acc)tracks the FTSE Developed World Index
- SWDAiShares Core MSCI World UCITS ETF (Acc)tracks the MSCI World Index
- CNX1iShares Nasdaq 100 UCITS ETF (Acc)tracks the Nasdaq-100 Index
- VHYLVanguard FTSE All-World High Dividend Yield UCITS ETF (Dist)tracks the FTSE All-World High Dividend Yield Index
- IWFViShares Edge MSCI World Value Factor UCITS ETFtracks the MSCI World Enhanced Value Index
- IWFMiShares Edge MSCI World Momentum Factor UCITS ETF (Acc)tracks the MSCI World Momentum Index
- IWFQiShares Edge MSCI World Quality Factor UCITS ETF (Acc)tracks the MSCI World Sector Neutral Quality Index
CSP1 tracks the S&P 500 IndexSSAC tracks the MSCI ACWI 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 SSAC, 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 | SSAC | Winner |
|---|---|---|---|
| 2026 (so far) | +14.27% | +14.58% | SSAC |
| 2025 | +9.37% | +13.95% | SSAC |
| 2024 | +27.35% | +19.63% | CSP1 |
| 2023 | +19.79% | +16.14% | CSP1 |
| 2022 | -9.05% | -8.56% | SSAC |
| 2021 | +31.07% | +20.35% | CSP1 |
| 2020 | +13.65% | +11.80% | CSP1 |
| 2019 | +26.42% | +22.09% | CSP1 |
| 2018 | +0.01% | -4.76% | CSP1 |
| 2017 | +10.83% | +13.26% | SSAC |
| 2016 | +34.10% | +29.60% | CSP1 |
| 2015 | +5.78% | +1.60% | CSP1 |
| 2014 | +22.03% | +11.27% | CSP1 |
| 2013 | +31.40% | +21.20% | CSP1 |
| 2012 | +7.14% | +9.30% | SSAC |
| 2011 | +1.73% | -35.63% | CSP1 |
| 2010 | -26.08% | — | — |
CSP1 vs SSAC in plain words
CSP1 tracks the S&P 500 Index while SSAC follows the MSCI ACWI 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 SSAC charges 0.20% — 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 16 calendar years both funds were trading, CSP1 finished the year ahead 11 times and SSAC 5 times. £10,000 invested at the start of 2016 was worth £42,477 in CSP1 versus £33,247 in SSAC 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.
ISAC is the London (USD) listing and IUSQ the Xetra (EUR) line of the same fund, ISIN IE00B6R52259 — SSAC is its GBP line on the London Stock Exchange.
Fund facts: CSP1 vs SSAC
| Fact | CSP1 | SSAC |
|---|---|---|
| Fund | iShares Core S&P 500 UCITS ETF USD (Acc) | iShares MSCI ACWI UCITS ETF USD (Acc) |
| Tracks | S&P 500 Index | MSCI ACWI Index |
| Yearly cost (TER) | 0.07% | 0.20% |
| Dividends | Accumulating — dividends reinvested | Accumulating — dividends reinvested |
| Launched | 19 May 2010 | 21 Oct 2011 |
| ISIN | IE00B5BMR087 | IE00B6R52259 |
| Also trades as | — | ISAC |
| £10,000 invested | What £10,000 in CSP1 became | What £10,000 in SSAC became |
How bumpy the ride was: CSP1 vs SSAC
These head-to-head figures use only the 3,776 trading days both funds were listed: 21 Oct 2011 to 7 Oct 2026, roughly 15.0 years.
SSAC swung more than CSP1: annualised volatility of 15.0% for CSP1 against 17.4% for SSAC, with CSP1 moving 1% or more on 22.1% of trading days and SSAC on 20.0%. CSP1's worst day was -6.41% on 12 Mar 2020; SSAC's was -39.48% on 31 Oct 2011.
SSAC had the deeper drawdown: it fell -43.12% from its peak on 28 Oct 2011 to a low on 24 Nov 2011, then closed back above the old peak on 30 Jun 2016, 55 months after the low; CSP1 fell -25.48% from its peak on 19 Feb 2020 to a low on 23 Mar 2020, then closed back above the old peak on 24 Aug 2020, 5 months after the low.
Day to day the two often go their own way: the correlation of their daily returns is 0.78, and they closed in opposite directions on 8.7% of the 3,775 days measured. The widest single-day gap came on 31 Oct 2011, when CSP1 moved -1.60% and SSAC -39.48%.
| Measure | CSP1 | SSAC |
|---|---|---|
| Annualised volatility | 15.0% | 17.4% |
| Worst day | -6.41% on 12 Mar 2020 | -39.48% on 31 Oct 2011 |
| Best day | +6.29% on 24 Mar 2020 | +6.33% on 24 Mar 2020 |
| Days moving 1% or more | 22.1% of days | 20.0% of days |
| Deepest drawdown | -25.48% | -43.12% |
| Peak to trough | 19 Feb 2020 → 23 Mar 2020 | 28 Oct 2011 → 24 Nov 2011 |
| Back above the old peak | 24 Aug 2020 · 5 months | 30 Jun 2016 · 55 months |
Years CSP1 and SSAC parted ways
In 5 of the 15 completed calendar years both funds were trading, the two returns ended more than 5 points apart. The widest split was 2011: CSP1 returned +1.73% and SSAC -35.63%, a gap of 37.4 points. They rose together in 12 years, fell together in 1 year and went opposite ways in 2 years.
| Year | CSP1 | SSAC | Gap (CSP1 − SSAC) |
|---|---|---|---|
| 2024 | +27.35% | +19.63% | +7.7 pts |
| 2021 | +31.07% | +20.35% | +10.7 pts |
| 2014 | +22.03% | +11.27% | +10.8 pts |
| 2013 | +31.40% | +21.20% | +10.2 pts |
| 2011 | +1.73% | -35.63% | +37.4 pts |
How often CSP1 beat SSAC over any 12 months
Across the 168 rolling 12-month windows since October 2011, measured month-end to month-end, CSP1 finished ahead in 78.6% of them (132) and SSAC in 21.4% (36).
£200 a month into each, 2012–2025
Putting £200 into each fund at the start of every month from January 2012 to December 2025 (168 payments, £33,600 in total) would have grown to £106,833 in CSP1 and £82,732 in SSAC, leaving CSP1 £24,102 ahead.
| Outcome | CSP1 | SSAC |
|---|---|---|
| Paid in | £33,600 | £33,600 |
| Value at the end of 2025 | £106,833 | £82,732 |
| Gain on the money paid in | +£73,233 | +£49,132 |
| Gain in % | +217.96% | +146.23% |
Each payment rides the return of the month it lands in, dividends reinvested. Only calendar years with all twelve months of data for both funds count, so the plan may start later than the shared history.
Frequently asked
Is CSP1 or SSAC better?
Across the 16 calendar years both funds were trading, CSP1 finished the year ahead 11 times and SSAC 5 times. £10,000 invested at the start of 2016 was worth £42,477 in CSP1 versus £33,247 in SSAC 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 SSAC?
CSP1 tracks the S&P 500 Index while SSAC follows the MSCI ACWI 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 SSAC charges 0.20% — 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.
Which is more volatile, CSP1 or SSAC?
SSAC swung more than CSP1: annualised volatility of 15.0% for CSP1 against 17.4% for SSAC, with CSP1 moving 1% or more on 22.1% of trading days and SSAC on 20.0%. CSP1's worst day was -6.41% on 12 Mar 2020; SSAC's was -39.48% on 31 Oct 2011.
Which had the deeper drawdown, CSP1 or SSAC?
SSAC had the deeper drawdown: it fell -43.12% from its peak on 28 Oct 2011 to a low on 24 Nov 2011, then closed back above the old peak on 30 Jun 2016, 55 months after the low; CSP1 fell -25.48% from its peak on 19 Feb 2020 to a low on 23 Mar 2020, then closed back above the old peak on 24 Aug 2020, 5 months after the low.
How often did CSP1 beat SSAC over a 12-month period?
Across the 168 rolling 12-month windows since October 2011, measured month-end to month-end, CSP1 finished ahead in 78.6% of them (132) and SSAC in 21.4% (36).
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.
Is ISAC the same as SSAC?
ISAC is the London (USD) listing and IUSQ the Xetra (EUR) line of the same fund, ISIN IE00B6R52259 — SSAC is its GBP line on the London Stock Exchange.
Related comparisons
More head-to-heads featuring CSP1 or SSAC.
Source: Yahoo Finance daily adjusted closes for the GBP trading lines on the London Stock Exchange, dividends reinvested. Prices through · refreshed 7 Oct 2026, 08:49 UTC. How every number is calculated.