When holding the United States Copper Index Fund (CPER) ETF, how long should you stay invested to have high probability to achieve a positive return?
Over the selected period (~38 years), the longest duration with a negative return was 242 months (from December 1988 to January 2009).
This indicates that, within the same timeframe, any rolling period of 243 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.
United States Copper Index Fund (CPER) ETF: Historical 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 10.10%.
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 |
|---|---|---|---|
|
-60.38%
Mar 2008 - Feb 2009 |
+0.75% |
+146.94%
Jun 2005 - May 2006 |
48.41%
213 out of 440 |
|
-60.39%
Mar 2008 - Feb 2009 |
-2.02% |
+137.50%
Jun 2005 - May 2006 |
51.82%
228 out of 440 |
|
-30.09%
Jan 2007 - Dec 2008 |
-0.65% |
+78.39%
Jan 2009 - Dec 2010 |
51.64%
221 out of 428 |
|
-31.47%
Jan 2007 - Dec 2008 |
-3.48% |
+74.68%
Jan 2009 - Dec 2010 |
56.07%
240 out of 428 |
|
-19.55%
Feb 2013 - Jan 2016 |
+1.89% |
+68.27%
Jun 2003 - May 2006 |
44.23%
184 out of 416 |
|
-21.03%
Jan 1996 - Dec 1998 |
-0.82% |
+62.98%
Jun 2003 - May 2006 |
53.37%
222 out of 416 |
|
-18.28%
Apr 1995 - Mar 1999 |
+3.04% |
+51.93%
Aug 2002 - Jul 2006 |
42.08%
170 out of 404 |
|
-20.03%
Apr 1995 - Mar 1999 |
+0.02% |
+47.45%
Aug 2002 - Jul 2006 |
49.75%
201 out of 404 |
|
-15.26%
Feb 2011 - Jan 2016 |
+1.86% |
+40.63%
Oct 2002 - Sep 2007 |
43.62%
171 out of 392 |
|
-16.47%
Feb 2011 - Jan 2016 |
-0.89% |
+36.67%
Oct 2002 - Sep 2007 |
53.83%
211 out of 392 |
|
-11.41%
Nov 1995 - Oct 2001 |
+1.56% |
+33.34%
Oct 2001 - Sep 2007 |
45.26%
172 out of 380 |
|
-13.55%
Oct 1995 - Sep 2001 |
-1.32% |
+29.88%
Oct 2001 - Sep 2007 |
55.26%
210 out of 380 |
|
-10.01%
Jan 1995 - Dec 2001 |
+1.04% |
+29.03%
Jun 1999 - May 2006 |
46.47%
171 out of 368 |
|
-12.13%
Jan 1995 - Dec 2001 |
-1.25% |
+25.53%
Jun 1999 - May 2006 |
52.17%
192 out of 368 |
|
-8.34%
Jan 1995 - Dec 2002 |
+1.77% |
+26.00%
Jan 2003 - Dec 2010 |
46.35%
165 out of 356 |
|
-10.51%
Jan 1995 - Dec 2002 |
-0.57% |
+22.99%
Jan 2003 - Dec 2010 |
51.97%
185 out of 356 |
|
-8.46%
Apr 2011 - Mar 2020 |
+1.13% |
+23.36%
Jan 2002 - Dec 2010 |
43.90%
151 out of 344 |
|
-10.49%
Jan 1989 - Dec 1997 |
-1.21% |
+20.42%
Jan 2002 - Dec 2010 |
55.23%
190 out of 344 |
|
-8.16%
Jan 1989 - Dec 1998 |
+1.43% |
+20.77%
Aug 2001 - Jul 2011 |
40.36%
134 out of 332 |
|
-10.96%
Jan 1989 - Dec 1998 |
-1.00% |
+17.91%
Aug 2001 - Jul 2011 |
53.92%
179 out of 332 |
|
-5.93%
Oct 1990 - Sep 2001 |
+2.53% |
+17.14%
Apr 1999 - Mar 2010 |
36.56%
117 out of 320 |
|
-8.43%
Oct 1990 - Sep 2001 |
+0.48% |
+14.32%
Mar 2000 - Feb 2011 |
48.13%
154 out of 320 |
|
-5.61%
Sep 1989 - Aug 2001 |
+3.43% |
+17.86%
Mar 1999 - Feb 2011 |
29.55%
91 out of 308 |
|
-8.37%
Oct 1989 - Sep 2001 |
+1.38% |
+14.97%
Mar 1999 - Feb 2011 |
41.88%
129 out of 308 |
|
-6.26%
Jan 1989 - Dec 2001 |
+4.71% |
+14.95%
Mar 1999 - Feb 2012 |
24.32%
72 out of 296 |
|
-9.00%
Jan 1989 - Dec 2001 |
+2.45% |
+12.10%
Mar 1999 - Feb 2012 |
41.55%
123 out of 296 |
|
-5.55%
Jan 1989 - Dec 2002 |
+5.23% |
+13.25%
Feb 1999 - Jan 2013 |
16.20%
46 out of 284 |
|
-8.27%
Jan 1989 - Dec 2002 |
+2.82% |
+10.53%
Feb 1999 - Jan 2013 |
38.03%
108 out of 284 |
|
-3.20%
Dec 1988 - Nov 2003 |
+5.92% |
+11.08%
Mar 1999 - Feb 2014 |
8.09%
22 out of 272 |
|
-5.94%
Dec 1988 - Nov 2003 |
+3.43% |
+8.47%
Jan 1999 - Dec 2013 |
27.21%
74 out of 272 |
|
-1.17%
Oct 2006 - Sep 2022 |
+6.46% |
+9.83%
Nov 2001 - Oct 2017 |
8.08%
21 out of 260 |
|
-3.49%
Oct 2006 - Sep 2022 |
+3.98% |
+7.60%
Nov 2001 - Oct 2017 |
20.00%
52 out of 260 |
|
-0.93%
Jun 2006 - May 2023 |
+6.42% |
+10.37%
Jan 1994 - Dec 2010 |
2.42%
6 out of 248 |
|
-3.30%
Jun 2006 - May 2023 |
+3.93% |
+7.74%
Jan 1994 - Dec 2010 |
16.53%
41 out of 248 |
|
+0.10%
Aug 2006 - Jul 2024 |
+5.90% |
+9.71%
May 2003 - Apr 2021 |
0.00%
0 out of 236 |
|
-2.30%
Aug 2006 - Jul 2024 |
+3.38% |
+7.44%
May 2003 - Apr 2021 |
12.29%
29 out of 236 |
|
+0.33%
Aug 2006 - Jul 2025 |
+5.64% |
+9.55%
Aug 2002 - Jul 2021 |
0.00%
0 out of 224 |
|
-2.08%
Aug 2006 - Jul 2025 |
+3.20% |
+7.20%
Aug 2002 - Jul 2021 |
6.25%
14 out of 224 |
|
-0.54%
Jan 1989 - Dec 2008 |
+5.77% |
+9.41%
Nov 2001 - Oct 2021 |
0.94%
2 out of 212 |
|
-3.29%
Jan 1989 - Dec 2008 |
+3.28% |
+7.02%
Nov 2001 - Oct 2021 |
3.77%
8 out of 212 |
|
+1.33%
Apr 1995 - Mar 2020 |
+4.20% |
+7.69%
Jun 1999 - May 2024 |
0.00%
0 out of 152 |
|
-0.81%
Apr 1995 - Mar 2020 |
+1.91% |
+5.05%
Mar 2001 - Feb 2026 |
7.89%
12 out of 152 |
|
+1.32%
Jan 1989 - Dec 2018 |
+3.85% |
+5.13%
Dec 1993 - Nov 2023 |
0.00%
0 out of 92 |
|
-1.15%
Jan 1989 - Dec 2018 |
+1.34% |
+2.55%
Dec 1993 - Nov 2023 |
17.39%
16 out of 92 |
United States Copper Index Fund (CPER) ETF: Historical Returns

