When holding the iShares $ Treasury Bd 1-3y USD Acc B (CU31.L) ETF, how long should you stay invested to have high probability to achieve a positive return?
Over the selected period (~155 years), the longest duration with a negative return was 89 months (from March 2001 to July 2008).
This indicates that, within the same timeframe, any rolling period of 90 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 Bd 1-3y USD Acc B (CU31.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 Feb 28, 2026, the annualized return of the previous 10 years has been 2.11%.
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 |
|---|---|---|---|
|
-17.94%
Dec 1986 - Nov 1987 |
+4.09% |
+55.91%
Mar 1984 - Feb 1985 |
18.53%
343 out of 1851 |
|
-23.87%
Mar 1979 - Feb 1980 |
+2.51% |
+47.93%
Mar 1984 - Feb 1985 |
38.84%
719 out of 1851 |
|
-11.28%
Feb 1932 - Jan 1934 |
+4.09% |
+47.56%
Feb 1981 - Jan 1983 |
11.26%
207 out of 1839 |
|
-17.33%
Jan 1916 - Dec 1917 |
+2.49% |
+36.11%
Feb 1981 - Jan 1983 |
35.83%
659 out of 1839 |
|
-6.89%
Mar 2002 - Feb 2005 |
+4.38% |
+36.99%
Feb 1981 - Jan 1984 |
8.26%
151 out of 1827 |
|
-16.41%
Mar 1977 - Feb 1980 |
+2.54% |
+29.52%
Feb 1982 - Jan 1985 |
34.37%
628 out of 1827 |
|
-4.54%
Jan 1932 - Dec 1935 |
+4.65% |
+37.94%
Feb 1981 - Jan 1985 |
5.84%
106 out of 1815 |
|
-15.86%
Nov 1976 - Oct 1980 |
+2.84% |
+29.25%
Feb 1981 - Jan 1985 |
32.84%
596 out of 1815 |
|
-3.59%
May 1932 - Apr 1937 |
+4.78% |
+32.77%
Mar 1980 - Feb 1985 |
3.99%
72 out of 1803 |
|
-9.64%
Mar 1914 - Feb 1919 |
+2.86% |
+23.14%
Mar 1980 - Feb 1985 |
31.00%
559 out of 1803 |
|
-2.63%
Nov 2001 - Oct 2007 |
+4.71% |
+24.62%
Nov 1980 - Oct 1986 |
2.51%
45 out of 1791 |
|
-8.94%
Mar 1974 - Feb 1980 |
+2.65% |
+17.42%
Nov 1980 - Oct 1986 |
28.20%
505 out of 1791 |
|
-0.76%
Jul 2001 - Jun 2008 |
+4.66% |
+20.76%
Mar 1978 - Feb 1985 |
1.01%
18 out of 1779 |
|
-8.54%
Dec 1973 - Nov 1980 |
+2.50% |
+12.54%
Mar 1980 - Feb 1987 |
25.63%
456 out of 1779 |
|
+0.59%
Feb 1940 - Jan 1948 |
+4.66% |
+17.82%
Nov 1978 - Oct 1986 |
0.00%
0 out of 1767 |
|
-8.14%
Nov 1972 - Oct 1980 |
+2.39% |
+10.22%
Oct 1980 - Sep 1988 |
23.15%
409 out of 1767 |
|
+0.88%
Jan 2017 - Dec 2025 |
+4.66% |
+17.84%
Mar 1976 - Feb 1985 |
0.00%
0 out of 1755 |
|
-7.12%
Nov 1971 - Oct 1980 |
+2.27% |
+10.83%
Nov 1980 - Oct 1989 |
21.94%
385 out of 1755 |
|
+0.99%
May 1932 - Apr 1942 |
+4.66% |
+18.90%
Mar 1975 - Feb 1985 |
0.00%
0 out of 1743 |
|
-6.74%
Dec 1970 - Nov 1980 |
+2.34% |
+8.86%
Oct 1921 - Sep 1931 |
23.64%
412 out of 1743 |
|
+0.99%
Jan 1932 - Dec 1942 |
+4.64% |
+17.24%
Mar 1974 - Feb 1985 |
0.00%
0 out of 1731 |
|
-6.19%
Nov 1969 - Oct 1980 |
+2.24% |
+8.88%
Jan 1921 - Dec 1931 |
26.63%
461 out of 1731 |
|
+1.04%
Jan 1932 - Dec 1943 |
+4.63% |
+17.02%
Mar 1973 - Feb 1985 |
0.00%
0 out of 1719 |
|
-5.84%
Nov 1968 - Oct 1980 |
+2.15% |
+9.40%
Feb 1981 - Jan 1993 |
26.53%
456 out of 1719 |
|
+1.06%
Jan 1932 - Dec 1944 |
+4.66% |
+16.31%
Mar 1972 - Feb 1985 |
0.00%
0 out of 1707 |
|
-5.23%
Feb 1968 - Jan 1981 |
+2.06% |
+9.11%
Nov 1980 - Oct 1993 |
25.66%
438 out of 1707 |
|
+1.09%
May 1932 - Apr 1946 |
+4.67% |
+14.81%
Mar 1971 - Feb 1985 |
0.00%
0 out of 1695 |
|
-3.59%
Feb 1967 - Jan 1981 |
+1.88% |
+8.30%
Feb 1918 - Jan 1932 |
23.83%
404 out of 1695 |
|
+1.06%
Dec 1931 - Nov 1946 |
+4.64% |
+14.50%
Feb 1970 - Jan 1985 |
0.00%
0 out of 1683 |
|
-3.40%
Nov 1965 - Oct 1980 |
+1.80% |
+7.97%
Feb 1981 - Jan 1996 |
21.09%
355 out of 1683 |
|
+1.08%
Jan 1932 - Dec 1947 |
+4.61% |
+14.00%
Mar 1969 - Feb 1985 |
0.00%
0 out of 1671 |
|
-3.25%
Nov 1964 - Oct 1980 |
+1.66% |
+7.71%
Oct 1872 - Sep 1888 |
18.43%
308 out of 1671 |
|
+1.55%
Dec 1931 - Nov 1948 |
+4.56% |
+13.17%
Mar 1968 - Feb 1985 |
0.00%
0 out of 1659 |
|
-3.05%
Nov 1963 - Oct 1980 |
+1.61% |
+7.41%
Apr 1872 - Mar 1889 |
16.40%
272 out of 1659 |
|
+2.34%
Feb 1920 - Jan 1938 |
+4.50% |
+13.71%
Mar 1967 - Feb 1985 |
0.00%
0 out of 1647 |
|
-2.85%
Nov 1962 - Oct 1980 |
+1.57% |
+7.20%
Oct 1872 - Sep 1890 |
13.72%
226 out of 1647 |
|
+2.36%
Jun 2002 - May 2021 |
+4.50% |
+13.57%
Mar 1966 - Feb 1985 |
0.00%
0 out of 1635 |
|
-2.70%
Nov 1961 - Oct 1980 |
+1.67% |
+7.11%
Feb 1873 - Jan 1892 |
12.23%
200 out of 1635 |
|
+2.36%
Mar 2002 - Feb 2022 |
+4.51% |
+12.86%
Mar 1965 - Feb 1985 |
0.00%
0 out of 1623 |
|
-2.59%
Nov 1960 - Oct 1980 |
+1.78% |
+7.29%
Dec 1980 - Nov 2000 |
13.99%
227 out of 1623 |
|
+2.66%
Feb 2001 - Jan 2026 |
+4.60% |
+11.06%
Mar 1960 - Feb 1985 |
0.00%
0 out of 1563 |
|
-1.88%
Nov 1955 - Oct 1980 |
+1.83% |
+6.59%
Feb 1873 - Jan 1898 |
13.69%
214 out of 1563 |
|
+2.92%
Feb 1932 - Jan 1962 |
+4.65% |
+10.31%
Mar 1966 - Feb 1996 |
0.00%
0 out of 1503 |
|
-2.16%
Nov 1950 - Oct 1980 |
+1.86% |
+5.78%
Apr 1872 - Mar 1902 |
10.05%
151 out of 1503 |
iShares $ Treasury Bd 1-3y USD Acc B (CU31.L) ETF: Historical Returns

