When holding the iShares $ Treasury Bond 20+yr UCITS GBP Hedged (Dist) (IDTG.L) ETF, how long should you stay invested to have high probability to achieve a positive return?
Over the selected period (~76 years), the longest duration with a negative return was 178 months (from January 2009 to October 2023).
This indicates that, within the same timeframe, any rolling period of 179 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.
iShares $ Treasury Bond 20+yr UCITS GBP Hedged (Dist) (IDTG.L) 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 Jul 31, 2025, the annualized return of the previous 10 years has been -1.70%.
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 |
---|---|---|---|
-34.22%
Nov 2021 - Oct 2022 |
+5.28% |
+72.78%
Apr 1985 - Mar 1986 |
26.67%
239 out of 896 |
-40.77%
Nov 2021 - Oct 2022 |
+0.81% |
+65.81%
Apr 1985 - Mar 1986 |
46.09%
413 out of 896 |
-23.43%
Nov 2021 - Oct 2023 |
+5.78% |
+52.93%
Jul 1984 - Jun 1986 |
19.46%
172 out of 884 |
-28.96%
Nov 2021 - Oct 2023 |
+1.95% |
+46.05%
Jul 1984 - Jun 1986 |
39.14%
346 out of 884 |
-17.87%
Nov 2020 - Oct 2023 |
+6.55% |
+33.01%
Jun 1984 - May 1987 |
12.61%
110 out of 872 |
-22.94%
Nov 2020 - Oct 2023 |
+2.42% |
+27.13%
Jun 1984 - May 1987 |
36.58%
319 out of 872 |
-13.61%
May 2020 - Apr 2024 |
+6.56% |
+31.62%
Jul 1982 - Jun 1986 |
8.95%
77 out of 860 |
-17.97%
May 2020 - Apr 2024 |
+2.51% |
+25.89%
Jul 1982 - Jun 1986 |
39.53%
340 out of 860 |
-10.71%
Aug 2020 - Jul 2025 |
+6.90% |
+29.38%
Sep 1981 - Aug 1986 |
7.08%
60 out of 848 |
-14.93%
Aug 2020 - Jul 2025 |
+2.20% |
+22.97%
Sep 1981 - Aug 1986 |
38.33%
325 out of 848 |
-5.30%
Nov 2017 - Oct 2023 |
+7.19% |
+22.98%
Sep 1981 - Aug 1987 |
4.90%
41 out of 836 |
-10.23%
Mar 1974 - Feb 1980 |
+2.17% |
+17.04%
Sep 1981 - Aug 1987 |
39.59%
331 out of 836 |
-5.07%
Nov 2016 - Oct 2023 |
+7.29% |
+21.86%
Oct 1981 - Sep 1988 |
4.25%
35 out of 824 |
-10.13%
Apr 1973 - Mar 1980 |
+2.73% |
+16.30%
Jul 1982 - Jun 1989 |
38.71%
319 out of 824 |
-3.93%
Jul 2016 - Jun 2024 |
+7.26% |
+21.44%
Oct 1981 - Sep 1989 |
4.31%
35 out of 812 |
-11.02%
Oct 1973 - Sep 1981 |
+3.15% |
+15.68%
Oct 1981 - Sep 1989 |
36.08%
293 out of 812 |
-3.69%
Aug 2016 - Jul 2025 |
+7.64% |
+21.48%
Jul 1984 - Jun 1993 |
3.13%
25 out of 800 |
-10.14%
Oct 1972 - Sep 1981 |
+3.44% |
+15.77%
Jul 1984 - Jun 1993 |
34.25%
274 out of 800 |
-2.82%
Feb 2015 - Jan 2025 |
+7.51% |
+20.48%
Oct 1981 - Sep 1991 |
2.79%
22 out of 788 |
-9.34%
Oct 1971 - Sep 1981 |
+3.54% |
+14.20%
Oct 1981 - Sep 1991 |
36.17%
285 out of 788 |
-1.77%
Nov 2012 - Oct 2023 |
+7.29% |
+20.35%
Oct 1981 - Sep 1992 |
2.58%
20 out of 776 |
-7.89%
Oct 1970 - Sep 1981 |
+3.53% |
+14.41%
Jul 1982 - Jun 1993 |
35.95%
279 out of 776 |
-1.09%
Jun 2012 - May 2024 |
+7.51% |
+20.59%
Oct 1981 - Sep 1993 |
2.75%
21 out of 764 |
-7.62%
Sep 1969 - Aug 1981 |
+3.53% |
+14.76%
Oct 1981 - Sep 1993 |
37.30%
285 out of 764 |
-1.10%
Aug 2012 - Jul 2025 |
+7.71% |
+18.14%
Sep 1981 - Aug 1994 |
0.80%
6 out of 752 |
-7.97%
Oct 1968 - Sep 1981 |
+3.48% |
+12.97%
Jul 1982 - Jun 1995 |
37.50%
282 out of 752 |
+0.87%
Jan 2009 - Dec 2022 |
+7.99% |
+18.36%
Oct 1981 - Sep 1995 |
0.00%
0 out of 740 |
-7.51%
Oct 1967 - Sep 1981 |
+3.65% |
+13.07%
Oct 1981 - Sep 1995 |
37.70%
279 out of 740 |
+0.83%
Jan 2009 - Dec 2023 |
+7.99% |
+17.22%
Oct 1981 - Sep 1996 |
0.00%
0 out of 728 |
-7.11%
Oct 1966 - Sep 1981 |
+3.78% |
+12.16%
Oct 1981 - Sep 1996 |
36.68%
267 out of 728 |
+0.40%
Jan 2009 - Dec 2024 |
+7.99% |
+16.96%
Oct 1981 - Sep 1997 |
0.00%
0 out of 716 |
-6.91%
Oct 1965 - Sep 1981 |
+3.70% |
+12.11%
Jul 1982 - Jun 1998 |
37.57%
269 out of 716 |
+2.13%
Feb 2008 - Jan 2025 |
+8.11% |
+17.30%
Oct 1981 - Sep 1998 |
0.00%
0 out of 704 |
-6.54%
Oct 1964 - Sep 1981 |
+3.81% |
+12.61%
Oct 1981 - Sep 1998 |
35.51%
250 out of 704 |
+2.10%
Jun 1952 - May 1970 |
+8.20% |
+15.78%
Oct 1981 - Sep 1999 |
0.00%
0 out of 692 |
-6.21%
Oct 1963 - Sep 1981 |
+3.99% |
+11.33%
Oct 1981 - Sep 1999 |
35.55%
246 out of 692 |
+1.89%
Jan 1951 - Dec 1969 |
+8.60% |
+15.41%
Oct 1981 - Sep 2000 |
0.00%
0 out of 680 |
-5.85%
Oct 1962 - Sep 1981 |
+4.22% |
+11.72%
Jun 1984 - May 2003 |
34.85%
237 out of 680 |
+1.75%
Jan 1950 - Dec 1969 |
+8.83% |
+15.37%
Oct 1981 - Sep 2001 |
0.00%
0 out of 668 |
-5.42%
Oct 1961 - Sep 1981 |
+3.98% |
+11.24%
Oct 1981 - Sep 2001 |
34.73%
232 out of 668 |
+2.94%
Jan 1950 - Dec 1974 |
+9.30% |
+13.92%
Oct 1981 - Sep 2006 |
0.00%
0 out of 608 |
-4.12%
Oct 1956 - Sep 1981 |
+3.37% |
+10.28%
Oct 1981 - Sep 2006 |
28.78%
175 out of 608 |
+3.20%
Mar 1950 - Feb 1980 |
+9.52% |
+13.49%
Oct 1981 - Sep 2011 |
0.00%
0 out of 548 |
-3.75%
Sep 1951 - Aug 1981 |
+3.53% |
+9.88%
Oct 1981 - Sep 2011 |
18.25%
100 out of 548 |
iShares $ Treasury Bond 20+yr UCITS GBP Hedged (Dist) (IDTG.L) ETF: Historical Returns