ACWI vs MTUM: which ETF won each year?
Yearly returns side by side, one winner per year — dividends included, priced as you'd actually buy them.
ACWI
MTUM
ACWI tracks the MSCI ACWI IndexMTUM tracks the MSCI USA Momentum SR Variant 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.
ACWI vs MTUM, 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 | ACWI | MTUM | Winner |
|---|---|---|---|
| 2026 (so far) | +12.94% | +27.29% | MTUM |
| 2025 | +22.41% | +22.15% | ACWI |
| 2024 | +17.45% | +32.89% | MTUM |
| 2023 | +22.27% | +9.15% | ACWI |
| 2022 | -18.39% | -18.27% | MTUM |
| 2021 | +18.66% | +13.36% | ACWI |
| 2020 | +16.34% | +29.86% | MTUM |
| 2019 | +26.59% | +27.25% | MTUM |
| 2018 | -9.12% | -1.67% | MTUM |
| 2017 | +24.33% | +37.50% | MTUM |
| 2016 | +8.40% | +5.00% | ACWI |
| 2015 | -2.21% | +8.91% | MTUM |
| 2014 | +3.83% | +14.62% | MTUM |
| 2013 | +22.38% | +19.21% | ACWI |
| 2012 | +16.75% | — | — |
| 2011 | -7.82% | — | — |
| 2010 | +12.78% | — | — |
| 2009 | +32.36% | — | — |
| 2008 | -35.29% | — | — |
ACWI vs MTUM in plain words
ACWI tracks the MSCI ACWI Index while MTUM follows the MSCI USA Momentum SR Variant Index, so they own different slices of the market and their years can look very different. ACWI charges 0.32% a year in running costs and MTUM charges 0.15% — MTUM is the cheaper fund to hold.
Both funds distribute: dividends land in your account as cash instead of being reinvested automatically. Across the 14 calendar years both funds were trading, ACWI finished the year ahead 5 times and MTUM 9 times. $10,000 invested at the start of 2016 was worth $30,708 in ACWI versus $38,506 in MTUM by the end of 2025, dividends reinvested.
Fund facts: ACWI vs MTUM
| Fact | ACWI | MTUM |
|---|---|---|
| Fund | iShares MSCI ACWI ETF | iShares MSCI USA Momentum Factor ETF |
| Tracks | MSCI ACWI Index | MSCI USA Momentum SR Variant Index |
| Yearly cost (TER) | 0.32% | 0.15% |
| Dividends | Distributing — dividends paid out | Distributing — dividends paid out |
| Launched | 26 Mar 2008 | 16 Apr 2013 |
| $10,000 invested | What $10,000 in ACWI became | What $10,000 in MTUM became |
How bumpy the ride was: ACWI vs MTUM
These head-to-head figures use only the 3,388 trading days both funds were listed: 18 Apr 2013 to 6 Oct 2026, roughly 13.4 years.
MTUM swung more than ACWI: annualised volatility of 16.3% for ACWI against 20.1% for MTUM, with ACWI moving 1% or more on 22.9% of trading days and MTUM on 30.5%. Both had their worst day on 16 Mar 2020: ACWI closed -11.22% and MTUM -12.37%.
MTUM had the deeper drawdown: it fell -34.08% from its peak on 19 Feb 2020 to a low on 23 Mar 2020, then closed back above the old peak on 6 Jul 2020, 3 months after the low; ACWI fell -33.53% from its peak on 12 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 usually move together: the correlation of their daily returns is 0.86, and they closed in opposite directions on 18.9% of the 3,387 days measured. The widest single-day gap came on 9 Nov 2020, when ACWI moved +1.45% and MTUM -2.90%.
| Measure | ACWI | MTUM |
|---|---|---|
| Annualised volatility | 16.3% | 20.1% |
| Worst day | -11.22% on 16 Mar 2020 | -12.37% on 16 Mar 2020 |
| Best day | +8.79% on 9 Apr 2025 | +10.65% on 24 Mar 2020 |
| Days moving 1% or more | 22.9% of days | 30.5% of days |
| Deepest drawdown | -33.53% | -34.08% |
| Peak to trough | 12 Feb 2020 → 23 Mar 2020 | 19 Feb 2020 → 23 Mar 2020 |
| Back above the old peak | 24 Aug 2020 · 5 months | 6 Jul 2020 · 3 months |
Years ACWI and MTUM parted ways
In 8 of the 13 completed calendar years both funds were trading, the two returns ended more than 5 points apart. The widest split was 2024: ACWI returned +17.45% and MTUM +32.89%, a gap of 15.4 points. They rose together in 10 years, fell together in 2 years and went opposite ways in 1 year.
| Year | ACWI | MTUM | Gap (ACWI − MTUM) |
|---|---|---|---|
| 2024 | +17.45% | +32.89% | -15.4 pts |
| 2023 | +22.27% | +9.15% | +13.1 pts |
| 2021 | +18.66% | +13.36% | +5.3 pts |
| 2020 | +16.34% | +29.86% | -13.5 pts |
| 2018 | -9.12% | -1.67% | -7.5 pts |
| 2017 | +24.33% | +37.50% | -13.2 pts |
| 2015 | -2.21% | +8.91% | -11.1 pts |
| 2014 | +3.83% | +14.62% | -10.8 pts |
How often ACWI beat MTUM over any 12 months
Across the 150 rolling 12-month windows since April 2013, measured month-end to month-end, ACWI finished ahead in 29.3% of them (44) and MTUM in 70.7% (106).
$200 a month into each, 2014–2025
Putting $200 into each fund at the start of every month from January 2014 to December 2025 (144 payments, $28,800 in total) would have grown to $60,927 in ACWI and $71,839 in MTUM, leaving MTUM $10,913 ahead.
| Outcome | ACWI | MTUM |
|---|---|---|
| Paid in | $28,800 | $28,800 |
| Value at the end of 2025 | $60,927 | $71,839 |
| Gain on the money paid in | +$32,127 | +$43,039 |
| Gain in % | +111.55% | +149.44% |
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 ACWI or MTUM better?
Across the 14 calendar years both funds were trading, ACWI finished the year ahead 5 times and MTUM 9 times. $10,000 invested at the start of 2016 was worth $30,708 in ACWI versus $38,506 in MTUM 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 ACWI and MTUM?
ACWI tracks the MSCI ACWI Index while MTUM follows the MSCI USA Momentum SR Variant Index, so they own different slices of the market and their years can look very different. ACWI charges 0.32% a year in running costs and MTUM charges 0.15% — MTUM is the cheaper fund to hold. Both funds distribute: dividends land in your account as cash instead of being reinvested automatically.
Which is more volatile, ACWI or MTUM?
MTUM swung more than ACWI: annualised volatility of 16.3% for ACWI against 20.1% for MTUM, with ACWI moving 1% or more on 22.9% of trading days and MTUM on 30.5%. Both had their worst day on 16 Mar 2020: ACWI closed -11.22% and MTUM -12.37%.
Which had the deeper drawdown, ACWI or MTUM?
MTUM had the deeper drawdown: it fell -34.08% from its peak on 19 Feb 2020 to a low on 23 Mar 2020, then closed back above the old peak on 6 Jul 2020, 3 months after the low; ACWI fell -33.53% from its peak on 12 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 ACWI beat MTUM over a 12-month period?
Across the 150 rolling 12-month windows since April 2013, measured month-end to month-end, ACWI finished ahead in 29.3% of them (44) and MTUM in 70.7% (106).
What would $10,000 in ACWI have become?
$10,000 invested in ACWI at the start of 2016 grew to $30,708 by the end of 2025, with dividends reinvested — an average of 11.9% per year.
Related comparisons
More head-to-heads featuring ACWI or MTUM.
Source: Yahoo Finance daily adjusted closes for the US primary listings, dividends reinvested. Prices through · refreshed 7 Oct 2026, 08:49 UTC. How every number is calculated.