When holding the BMO Long Federal Bond Index ETF (ZFL.TO) ETF, how long should you stay invested to have high probability to achieve a positive return?
Over the selected period (~32 years), the longest duration with a negative return was 162 months (from August 2012 to January 2026).
This indicates that, within the same timeframe, any rolling period of 163 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.
BMO Long Federal Bond Index ETF (ZFL.TO) 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 -0.95%.
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 |
|---|---|---|---|
|
-23.93%
Jan 2022 - Dec 2022 |
+6.93% |
+29.76%
Aug 1996 - Jul 1997 |
22.10%
82 out of 371 |
|
-28.45%
Jan 2022 - Dec 2022 |
+5.15% |
+27.60%
Aug 1996 - Jul 1997 |
28.57%
106 out of 371 |
|
-16.80%
Jul 2020 - Jun 2022 |
+6.82% |
+23.98%
Dec 1994 - Nov 1996 |
16.99%
61 out of 359 |
|
-21.18%
Jul 2020 - Jun 2022 |
+4.69% |
+21.54%
Dec 1994 - Nov 1996 |
26.46%
95 out of 359 |
|
-13.69%
Oct 2020 - Sep 2023 |
+6.34% |
+21.90%
Feb 1995 - Jan 1998 |
13.26%
46 out of 347 |
|
-17.80%
Oct 2020 - Sep 2023 |
+4.46% |
+19.94%
Feb 1995 - Jan 1998 |
18.44%
64 out of 347 |
|
-9.27%
May 2020 - Apr 2024 |
+6.08% |
+19.37%
Jul 1994 - Jun 1998 |
14.03%
47 out of 335 |
|
-13.01%
May 2020 - Apr 2024 |
+4.13% |
+17.37%
Jul 1994 - Jun 1998 |
15.82%
53 out of 335 |
|
-7.58%
Aug 2020 - Jul 2025 |
+6.54% |
+15.86%
Jul 1994 - Jun 1999 |
14.55%
47 out of 323 |
|
-10.92%
Aug 2020 - Jul 2025 |
+4.60% |
+13.92%
Jul 1994 - Jun 1999 |
17.65%
57 out of 323 |
|
-4.78%
Feb 2020 - Jan 2026 |
+6.93% |
+13.71%
Jul 1994 - Jun 2000 |
15.11%
47 out of 311 |
|
-7.70%
Feb 2020 - Jan 2026 |
+5.00% |
+11.62%
Jul 1994 - Jun 2000 |
16.40%
51 out of 311 |
|
-3.90%
Oct 2016 - Sep 2023 |
+7.03% |
+13.01%
Nov 1994 - Oct 2001 |
15.72%
47 out of 299 |
|
-6.71%
Oct 2016 - Sep 2023 |
+5.12% |
+10.85%
Nov 1994 - Oct 2001 |
16.72%
50 out of 299 |
|
-2.10%
Oct 2015 - Sep 2023 |
+6.94% |
+11.93%
Jan 1995 - Dec 2002 |
14.29%
41 out of 287 |
|
-4.77%
Oct 2015 - Sep 2023 |
+4.78% |
+9.74%
Jan 1995 - Dec 2002 |
16.38%
47 out of 287 |
|
-2.26%
Sep 2016 - Aug 2025 |
+6.66% |
+12.21%
Jul 1994 - Jun 2003 |
10.55%
29 out of 275 |
|
-4.91%
Sep 2016 - Aug 2025 |
+4.76% |
+9.95%
Jul 1994 - Jun 2003 |
17.45%
48 out of 275 |
|
-1.31%
Feb 2016 - Jan 2026 |
+6.76% |
+11.65%
Feb 1995 - Jan 2005 |
6.08%
16 out of 263 |
|
-3.88%
Feb 2016 - Jan 2026 |
+4.85% |
+9.49%
Feb 1995 - Jan 2005 |
18.25%
48 out of 263 |
|
-1.21%
Feb 2015 - Jan 2026 |
+6.74% |
+11.97%
Jul 1994 - Jun 2005 |
3.59%
9 out of 251 |
|
-3.72%
Feb 2015 - Jan 2026 |
+4.73% |
+9.70%
Jul 1994 - Jun 2005 |
17.53%
44 out of 251 |
|
+0.08%
Jun 2012 - May 2024 |
+6.83% |
+11.15%
Dec 1994 - Nov 2006 |
0.00%
0 out of 239 |
|
-2.22%
Jun 2012 - May 2024 |
+4.81% |
+8.99%
Dec 1994 - Nov 2006 |
17.15%
41 out of 239 |
|
-0.00%
Aug 2012 - Jul 2025 |
+6.78% |
+10.47%
Dec 1994 - Nov 2007 |
0.44%
1 out of 227 |
|
-2.33%
Aug 2012 - Jul 2025 |
+4.86% |
+8.27%
Dec 1994 - Nov 2007 |
14.54%
33 out of 227 |
|
+0.32%
Jan 2012 - Dec 2025 |
+6.64% |
+10.57%
Jan 1995 - Dec 2008 |
0.00%
0 out of 215 |
|
-1.93%
Jan 2012 - Dec 2025 |
+4.93% |
+8.44%
Jan 1995 - Dec 2008 |
12.09%
26 out of 215 |
|
+1.31%
Sep 2010 - Aug 2025 |
+6.49% |
+10.06%
Jul 1994 - Jun 2009 |
0.00%
0 out of 203 |
|
-1.00%
Sep 2010 - Aug 2025 |
+4.58% |
+7.89%
Jul 1994 - Jun 2009 |
5.91%
12 out of 203 |
|
+1.92%
Feb 2010 - Jan 2026 |
+6.61% |
+10.02%
Jul 1994 - Jun 2010 |
0.00%
0 out of 191 |
|
-0.35%
Feb 2010 - Jan 2026 |
+4.62% |
+7.93%
Jul 1994 - Jun 2010 |
4.71%
9 out of 191 |
|
+1.69%
Jan 2009 - Dec 2025 |
+6.62% |
+10.18%
Feb 1995 - Jan 2012 |
0.00%
0 out of 179 |
|
-0.54%
Jan 2009 - Dec 2025 |
+4.75% |
+8.05%
Feb 1995 - Jan 2012 |
1.68%
3 out of 179 |
|
+2.25%
Jan 2008 - Dec 2025 |
+6.56% |
+10.23%
Jul 1994 - Jun 2012 |
0.00%
0 out of 167 |
|
+0.07%
Jan 2008 - Dec 2025 |
+4.57% |
+8.08%
Jul 1994 - Jun 2012 |
0.00%
0 out of 167 |
|
+2.39%
Jan 2007 - Dec 2025 |
+6.39% |
+9.37%
May 1994 - Apr 2013 |
0.00%
0 out of 155 |
|
+0.20%
Jan 2007 - Dec 2025 |
+4.48% |
+7.30%
May 1994 - Apr 2013 |
0.00%
0 out of 155 |
|
+2.42%
Jan 2006 - Dec 2025 |
+6.22% |
+9.57%
Feb 1995 - Jan 2015 |
0.00%
0 out of 143 |
|
+0.25%
Jan 2006 - Dec 2025 |
+4.24% |
+7.60%
Feb 1995 - Jan 2015 |
0.00%
0 out of 143 |
|
+3.82%
Jan 2001 - Dec 2025 |
+4.93% |
+8.36%
Jul 1994 - Jun 2019 |
0.00%
0 out of 83 |
|
+1.63%
Jan 2001 - Dec 2025 |
+2.77% |
+6.40%
Aug 1995 - Jul 2020 |
0.00%
0 out of 83 |
|
+4.93%
Feb 1996 - Jan 2026 |
+5.68% |
+6.19%
Aug 1994 - Jul 2024 |
0.00%
0 out of 23 |
|
+2.75%
Feb 1996 - Jan 2026 |
+3.49% |
+3.96%
Aug 1994 - Jul 2024 |
0.00%
0 out of 23 |
BMO Long Federal Bond Index ETF (ZFL.TO) ETF: Historical Returns

