When holding the iShares MSCI South Korea ETF (EWY) ETF, how long should you stay invested to have high probability to achieve a positive return?

Over the selected period (~26 years), the longest duration with a negative return was 210 months (from November 2007 to April 2025).

This indicates that, within the same timeframe, any rolling period of 211 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.

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.

ISHARES MSCI SOUTH KOREA ETF (EWY) ETF
Annualized Rolling Returns
Annualized Rolling Returns - Inflation Adjusted
Time Period: 1 July 2006 - 30 June 2026 (20 Years)
Time Period: 1 January 2001 - 30 June 2026 (~26 years)
All Data
(2001/01 - 2026/06)
US Inflation Adjusted:

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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.

ISHARES MSCI SOUTH KOREA ETF (EWY) ETF
Rolling Returns Chart
Rolling Returns Chart - Inflation Adjusted
Time Period: 1 January 2001 - 30 June 2026 (~26 years)
Over Time
Histogram
US Inflation Adjusted:

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Swipe left to see all data
Worst Median Best Negative Periods
-63.31%
Dec 2007 - Nov 2008
+10.94% +247.11%
Jun 2025 - May 2026
34.58%
102 out of 295
-63.70%
Dec 2007 - Nov 2008
+8.34% +233.19%
Jun 2025 - May 2026
38.31%
113 out of 295
-32.49%
Mar 2007 - Feb 2009
+8.10% +86.16%
Jun 2024 - May 2026
34.63%
98 out of 283
-33.85%
Mar 2007 - Feb 2009
+5.84% +80.26%
Jun 2024 - May 2026
36.75%
104 out of 283
-21.47%
Mar 2006 - Feb 2009
+6.26% +52.15%
Jun 2023 - May 2026
28.04%
76 out of 271
-23.14%
Mar 2006 - Feb 2009
+4.00% +47.34%
Jun 2023 - May 2026
38.01%
103 out of 271
-10.48%
Jan 2021 - Dec 2024
+4.75% +39.36%
Jul 2022 - Jun 2026
18.92%
49 out of 259
-14.69%
Jan 2021 - Dec 2024
+2.31% +35.09%
Jul 2022 - Jun 2026
32.43%
84 out of 259
-5.52%
Oct 2017 - Sep 2022
+5.44% +33.75%
Oct 2001 - Sep 2006
15.38%
38 out of 247
-8.94%
Oct 2017 - Sep 2022
+3.35% +30.32%
Oct 2001 - Sep 2006
31.98%
79 out of 247
-3.32%
Nov 2017 - Oct 2023
+4.95% +36.05%
Oct 2001 - Sep 2007
11.06%
26 out of 235
-6.81%
Nov 2017 - Oct 2023
+2.70% +32.52%
Oct 2001 - Sep 2007
28.09%
66 out of 235
-3.67%
Jan 2018 - Dec 2024
+4.96% +27.54%
Jan 2001 - Dec 2007
5.83%
13 out of 223
-7.03%
Jan 2018 - Dec 2024
+2.78% +24.10%
Jan 2001 - Dec 2007
21.08%
47 out of 223
-3.05%
Oct 2007 - Sep 2015
+5.39% +20.95%
Apr 2003 - Mar 2011
7.58%
16 out of 211
-4.61%
Oct 2007 - Sep 2015
+3.29% +18.07%
Apr 2003 - Mar 2011
22.75%
48 out of 211
-2.11%
Nov 2007 - Oct 2016
+5.11% +20.05%
Oct 2001 - Sep 2010
6.53%
13 out of 199
-3.76%
Oct 2013 - Sep 2022
+3.07% +17.36%
Oct 2001 - Sep 2010
24.62%
49 out of 199
-0.61%
Oct 2012 - Sep 2022
+4.60% +18.93%
Apr 2001 - Mar 2011
0.53%
1 out of 187
-3.06%
Oct 2012 - Sep 2022
+2.76% +16.15%
Apr 2001 - Mar 2011
21.93%
41 out of 187
-0.90%
Nov 2007 - Oct 2018
+5.20% +17.35%
Oct 2001 - Sep 2012
1.14%
2 out of 175
-3.05%
Jan 2014 - Dec 2024
+3.27% +14.61%
Oct 2001 - Sep 2012
22.86%
40 out of 175
-0.62%
Nov 2007 - Oct 2019
+5.70% +16.23%
Oct 2001 - Sep 2013
3.07%
5 out of 163
-2.64%
Jan 2013 - Dec 2024
+3.55% +13.64%
Oct 2001 - Sep 2013
23.93%
39 out of 163
+0.34%
Nov 2007 - Oct 2020
+5.89% +14.88%
Oct 2001 - Sep 2014
0.00%
0 out of 151
-1.63%
May 2011 - Apr 2024
+3.71% +12.36%
Oct 2001 - Sep 2014
17.22%
26 out of 151
+0.21%
May 2011 - Apr 2025
+5.75% +12.60%
Apr 2001 - Mar 2015
0.00%
0 out of 139
-2.32%
May 2011 - Apr 2025
+3.59% +10.27%
Apr 2001 - Mar 2015
9.35%
13 out of 139
-1.01%
Nov 2007 - Oct 2022
+5.96% +12.74%
Oct 2001 - Sep 2016
1.57%
2 out of 127
-3.32%
Nov 2007 - Oct 2022
+3.80% +10.48%
Oct 2001 - Sep 2016
11.81%
15 out of 127
-0.51%
Nov 2007 - Oct 2023
+6.98% +13.19%
Oct 2001 - Sep 2017
0.87%
1 out of 115
-2.88%
Nov 2007 - Oct 2023
+4.78% +10.92%
Oct 2001 - Sep 2017
13.91%
16 out of 115
+0.18%
Jan 2008 - Dec 2024
+7.29% +13.89%
Mar 2009 - Feb 2026
0.00%
0 out of 103
-2.21%
Nov 2007 - Oct 2024
+5.09% +11.04%
Mar 2009 - Feb 2026
13.59%
14 out of 103
+1.71%
Jan 2007 - Dec 2024
+6.31% +11.79%
Apr 2003 - Mar 2021
0.00%
0 out of 91
-0.79%
Jan 2007 - Dec 2024
+3.87% +9.54%
Apr 2003 - Mar 2021
10.99%
10 out of 91
+2.10%
Feb 2006 - Jan 2025
+6.45% +11.05%
Oct 2001 - Sep 2020
0.00%
0 out of 79
-0.40%
Feb 2006 - Jan 2025
+3.81% +8.86%
Oct 2001 - Sep 2020
6.33%
5 out of 79
+3.84%
Mar 2005 - Feb 2025
+6.58% +11.73%
Apr 2001 - Mar 2021
0.00%
0 out of 67
+1.23%
Mar 2005 - Feb 2025
+3.93% +9.47%
Apr 2001 - Mar 2021
0.00%
0 out of 67
+10.09%
Jan 2001 - Dec 2025
+11.53% +12.65%
Jul 2001 - Jun 2026
0.00%
0 out of 7
+7.37%
Jan 2001 - Dec 2025
+8.79% +9.85%
Jul 2001 - Jun 2026
0.00%
0 out of 7
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