When holding the Developed World 20/80 To EUR Portfolio, how long should you stay invested to have high probability to achieve a positive return?
Over the selected period (~54 years), the longest duration with a negative return was 104 months (from November 2000 to June 2009).
This indicates that, within the same timeframe, any rolling period of 105 months or more has consistently resulted in a positive return.
Understanding this metric is crucial as it highlights the importance of a safe investment horizon. Knowing the minimum duration required to likely see positive returns helps investors set realistic expectations and reinforces the strategy of staying invested through market cycles. This approach can mitigate the emotional reactions to short-term market fluctuations and enhance the likelihood of achieving financial goals.
Developed World 20/80 To EUR Portfolio: ETF allocation and returns
Previous vs subsequent Returns
Is there a correlation between past and future returns over all 10-year rolling periods?
The following chart illustrates the relationship between past returns (x-axis) and subsequent returns (y-axis).
Data points are aggregated to show occurrences, and you can zoom in by clicking or drawing over the desired area.
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As of Feb 28, 2026, the annualized return of the previous 10 years has been 1.89%.
Rolling Returns
A rolling return is a measure of investment performance that calculates the return of an investment over a set period of time, with the starting date rolling forward. This approach can provide a more accurate representation of the investment's historical performance and helps investors to evaluate the investment's consistency over time.
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Rolling Period Analysis
By selecting the 'Rolling Period', the chart and data will update. To study a different date range, change the simulation settings.
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| Worst | Median | Best | Negative Periods |
|---|---|---|---|
|
-14.46%
Feb 1994 - Jan 1995 |
+5.82% |
+31.18%
Aug 1996 - Jul 1997 |
24.26%
155 out of 639 |
|
-20.78%
Jan 2022 - Dec 2022 |
+3.03% |
+29.26%
Aug 1996 - Jul 1997 |
33.80%
216 out of 639 |
|
-6.52%
Nov 2021 - Oct 2023 |
+6.20% |
+21.83%
Aug 1995 - Jul 1997 |
16.27%
102 out of 627 |
|
-12.38%
Nov 2021 - Oct 2023 |
+3.41% |
+19.60%
Aug 1995 - Jul 1997 |
27.43%
172 out of 627 |
|
-2.80%
Nov 2020 - Oct 2023 |
+5.85% |
+19.53%
Jul 1982 - Jun 1985 |
12.52%
77 out of 615 |
|
-8.15%
Jan 1972 - Dec 1974 |
+3.48% |
+16.64%
Jul 1982 - Jun 1985 |
22.44%
138 out of 615 |
|
-1.78%
Nov 2000 - Oct 2004 |
+6.07% |
+18.16%
Feb 1980 - Jan 1984 |
6.47%
39 out of 603 |
|
-5.76%
Nov 2019 - Oct 2023 |
+3.34% |
+14.80%
Jul 1982 - Jun 1986 |
22.22%
134 out of 603 |
|
-0.25%
Jul 2020 - Jun 2025 |
+6.16% |
+17.85%
Mar 1980 - Feb 1985 |
0.68%
4 out of 591 |
|
-4.17%
Jul 2020 - Jun 2025 |
+3.45% |
+13.28%
Jun 1980 - May 1985 |
20.47%
121 out of 591 |
|
-0.38%
Apr 2002 - Mar 2008 |
+6.17% |
+16.66%
May 1980 - Apr 1986 |
0.52%
3 out of 579 |
|
-3.39%
Feb 2020 - Jan 2026 |
+3.64% |
+12.90%
May 1980 - Apr 1986 |
17.79%
103 out of 579 |
|
-0.90%
Jul 2001 - Jun 2008 |
+6.12% |
+14.90%
May 1980 - Apr 1987 |
1.06%
6 out of 567 |
|
-3.19%
Jul 2001 - Jun 2008 |
+4.06% |
+11.72%
May 1980 - Apr 1987 |
17.28%
98 out of 567 |
|
-0.17%
Aug 2000 - Jul 2008 |
+6.52% |
+13.19%
Aug 1979 - Jul 1987 |
0.90%
5 out of 555 |
|
-2.50%
Aug 2000 - Jul 2008 |
+4.29% |
+10.38%
Aug 1980 - Jul 1988 |
15.14%
84 out of 555 |
|
+0.39%
Apr 2000 - Mar 2009 |
+6.43% |
+13.15%
Jun 1980 - May 1989 |
0.00%
0 out of 543 |
|
-1.71%
Apr 2000 - Mar 2009 |
+4.44% |
+10.28%
Jun 1980 - May 1989 |
10.31%
56 out of 543 |
|
+1.61%
Jun 1999 - May 2009 |
+6.35% |
+12.30%
Oct 1979 - Sep 1989 |
0.00%
0 out of 531 |
|
-0.77%
Mar 2016 - Feb 2026 |
+4.41% |
+9.26%
Oct 1979 - Sep 1989 |
6.03%
32 out of 531 |
|
+1.80%
Sep 2000 - Aug 2011 |
+6.73% |
+11.53%
Apr 1975 - Mar 1986 |
0.00%
0 out of 519 |
|
-0.58%
Feb 2015 - Jan 2026 |
+4.43% |
+8.52%
Jun 1980 - May 1991 |
1.54%
8 out of 519 |
|
+2.67%
May 2000 - Apr 2012 |
+6.59% |
+11.19%
Nov 1974 - Oct 1986 |
0.00%
0 out of 507 |
|
+0.45%
May 2000 - Apr 2012 |
+4.47% |
+8.21%
Feb 1982 - Jan 1994 |
0.00%
0 out of 507 |
|
+2.46%
Nov 2000 - Oct 2013 |
+6.40% |
+11.24%
Sep 1980 - Aug 1993 |
0.00%
0 out of 495 |
|
+0.40%
Nov 2000 - Oct 2013 |
+4.17% |
+8.08%
Sep 1980 - Aug 1993 |
0.00%
0 out of 495 |
|
+2.67%
May 2000 - Apr 2014 |
+6.40% |
+11.53%
Feb 1980 - Jan 1994 |
0.00%
0 out of 483 |
|
+0.63%
May 2000 - Apr 2014 |
+4.00% |
+8.25%
Feb 1980 - Jan 1994 |
0.00%
0 out of 483 |
|
+3.27%
Sep 2010 - Aug 2025 |
+6.14% |
+10.80%
Feb 1979 - Jan 1994 |
0.00%
0 out of 471 |
|
+1.05%
Sep 2010 - Aug 2025 |
+3.82% |
+7.74%
Aug 1982 - Jul 1997 |
0.00%
0 out of 471 |
|
+3.49%
Feb 2002 - Jan 2018 |
+6.11% |
+10.33%
Feb 1978 - Jan 1994 |
0.00%
0 out of 459 |
|
+1.64%
Apr 1998 - Mar 2014 |
+3.73% |
+7.63%
Apr 1982 - Mar 1998 |
0.00%
0 out of 459 |
|
+3.32%
Nov 2000 - Oct 2017 |
+6.14% |
+10.78%
Aug 1980 - Jul 1997 |
0.00%
0 out of 447 |
|
+1.35%
Nov 2006 - Oct 2023 |
+3.77% |
+7.80%
Aug 1980 - Jul 1997 |
0.00%
0 out of 447 |
|
+3.20%
Nov 2000 - Oct 2018 |
+5.98% |
+10.79%
Apr 1980 - Mar 1998 |
0.00%
0 out of 435 |
|
+1.29%
Nov 2005 - Oct 2023 |
+3.68% |
+7.84%
Apr 1980 - Mar 1998 |
0.00%
0 out of 435 |
|
+3.56%
Jan 2000 - Dec 2018 |
+5.89% |
+10.73%
May 1980 - Apr 1999 |
0.00%
0 out of 423 |
|
+1.49%
Jun 2005 - May 2024 |
+3.72% |
+7.90%
Nov 1981 - Oct 2000 |
0.00%
0 out of 423 |
|
+3.44%
Jan 2006 - Dec 2025 |
+6.07% |
+10.81%
May 1980 - Apr 2000 |
0.00%
0 out of 411 |
|
+1.34%
Jan 2006 - Dec 2025 |
+3.84% |
+8.01%
May 1980 - Apr 2000 |
0.00%
0 out of 411 |
|
+2.90%
Sep 2000 - Aug 2025 |
+6.02% |
+9.87%
Jan 1975 - Dec 1999 |
0.00%
0 out of 351 |
|
+0.75%
Sep 2000 - Aug 2025 |
+3.95% |
+6.71%
Jan 1975 - Dec 1999 |
0.00%
0 out of 351 |
|
+4.26%
Nov 1993 - Oct 2023 |
+6.25% |
+8.35%
Nov 1974 - Oct 2004 |
0.00%
0 out of 291 |
|
+2.14%
Nov 1993 - Oct 2023 |
+4.14% |
+5.34%
Jun 1980 - May 2010 |
0.00%
0 out of 291 |
Developed World 20/80 To EUR Portfolio: ETF allocation and returns

