iShares NASDAQ 100 UCITS (Acc) (CNX1.L): Rolling Returns

Simulation Settings
Category:
Period: January 1971 - February 2026 (~55 years)
Initial Amount: 1£
Currency: GBP
Inflation: UK
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When holding the iShares NASDAQ 100 UCITS (Acc) (CNX1.L) ETF, how long should you stay invested to have high probability to achieve a positive return?

Over the selected period (~55 years), the longest duration with a negative return was 175 months (from March 2000 to September 2014).

This indicates that, within the same timeframe, any rolling period of 176 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.

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.

ISHARES NASDAQ 100 UCITS (ACC) (CNX1.L) ETF
Previous vs Next Returns - 10 Years annualized
Time Period: 1 March 1996 - 28 February 2026 (30 Years)
Time Period: 1 January 1971 - 28 February 2026 (~55 years)
30 Years
(1996/03 - 2026/02)
All Data
(1971/01 - 2026/02)

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As of Feb 28, 2026, the annualized return of the previous 10 years has been 20.42%.

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 NASDAQ 100 UCITS (ACC) (CNX1.L) ETF
Annualized Rolling Returns
Annualized Rolling Returns - Inflation Adjusted
Time Period: 1 March 1996 - 28 February 2026 (30 Years)
Time Period: 1 January 1971 - 28 February 2026 (~55 years)
30 Years
(1996/03 - 2026/02)
All Data
(1971/01 - 2026/02)
UK 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 NASDAQ 100 UCITS (ACC) (CNX1.L) ETF
Rolling Returns Chart
Rolling Returns Chart - Inflation Adjusted
Time Period: 1 January 1971 - 28 February 2026 (~55 years)
Over Time
Histogram
UK Inflation Adjusted:

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Swipe left to see all data
Worst Median Best Negative Periods
-67.31%
Oct 2000 - Sep 2001
+16.86% +128.44%
Mar 1999 - Feb 2000
23.20%
151 out of 651
-67.74%
Oct 2000 - Sep 2001
+12.27% +126.32%
Mar 1999 - Feb 2000
30.26%
197 out of 651
-53.53%
Sep 2000 - Aug 2002
+17.43% +105.00%
Sep 1998 - Aug 2000
15.49%
99 out of 639
-54.18%
Sep 2000 - Aug 2002
+10.56% +103.17%
Sep 1998 - Aug 2000
26.60%
170 out of 639
-38.56%
Apr 2000 - Mar 2003
+16.58% +79.03%
Apr 1997 - Mar 2000
13.08%
82 out of 627
-39.37%
Apr 2000 - Mar 2003
+10.45% +76.69%
Apr 1997 - Mar 2000
22.65%
142 out of 627
-27.98%
Sep 2000 - Aug 2004
+16.82% +62.59%
Apr 1996 - Mar 2000
11.87%
73 out of 615
-28.96%
Sep 2000 - Aug 2004
+10.76% +60.31%
Apr 1996 - Mar 2000
20.65%
127 out of 615
-22.25%
Apr 2000 - Mar 2005
+16.75% +58.88%
Apr 1995 - Mar 2000
8.96%
54 out of 603
-23.32%
Apr 2000 - Mar 2005
+11.12% +56.31%
Apr 1995 - Mar 2000
21.23%
128 out of 603
-18.41%
Sep 2000 - Aug 2006
+17.03% +49.10%
Sep 1994 - Aug 2000
7.28%
43 out of 591
-19.80%
Sep 2000 - Aug 2006
+10.73% +46.67%
Sep 1994 - Aug 2000
16.92%
100 out of 591
-14.75%
Apr 2000 - Mar 2007
+17.24% +42.21%
Apr 1993 - Mar 2000
6.56%
38 out of 579
-16.17%
Apr 2000 - Mar 2007
+9.58% +39.61%
Apr 1993 - Mar 2000
16.23%
94 out of 579
-13.08%
Mar 2000 - Feb 2008
+15.89% +44.42%
Sep 1992 - Aug 2000
6.17%
35 out of 567
-14.58%
Mar 2000 - Feb 2008
+9.65% +41.80%
Sep 1992 - Aug 2000
14.64%
83 out of 567
-12.81%
Mar 2000 - Feb 2009
+15.54% +41.05%
Jan 1991 - Dec 1999
5.05%
28 out of 555
-14.45%
Mar 2000 - Feb 2009
+9.55% +37.43%
Jan 1991 - Dec 1999
12.61%
70 out of 555
-8.36%
Sep 2000 - Aug 2010
+15.50% +39.45%
Sep 1990 - Aug 2000
4.97%
27 out of 543
-10.29%
Sep 2000 - Aug 2010
+9.89% +36.00%
Sep 1990 - Aug 2000
11.60%
63 out of 543
-6.09%
Sep 2000 - Aug 2011
+15.38% +34.47%
Mar 1989 - Feb 2000
3.95%
21 out of 531
-8.26%
Sep 2000 - Aug 2011
+9.98% +30.29%
Mar 1989 - Feb 2000
11.30%
60 out of 531
-3.84%
Mar 2000 - Feb 2012
+15.31% +32.90%
Apr 1988 - Mar 2000
3.08%
16 out of 519
-6.03%
Mar 2000 - Feb 2012
+9.99% +28.59%
Apr 1988 - Mar 2000
7.90%
41 out of 519
-2.82%
Mar 2000 - Feb 2013
+15.11% +28.58%
Nov 1987 - Oct 2000
2.37%
12 out of 507
-5.07%
Mar 2000 - Feb 2013
+10.26% +24.53%
Nov 1987 - Oct 2000
6.90%
35 out of 507
-1.41%
Apr 2000 - Mar 2014
+15.01% +26.99%
Mar 1986 - Feb 2000
1.01%
5 out of 495
-3.64%
Apr 2000 - Mar 2014
+10.47% +22.83%
Mar 1986 - Feb 2000
2.83%
14 out of 495
+0.28%
Sep 2000 - Aug 2015
+14.73% +26.43%
Sep 1985 - Aug 2000
0.00%
0 out of 483
-2.09%
Dec 1972 - Nov 1987
+10.10% +22.42%
Sep 1985 - Aug 2000
2.69%
13 out of 483
+1.08%
Mar 2000 - Feb 2016
+14.53% +26.13%
Mar 1984 - Feb 2000
0.00%
0 out of 471
-1.02%
Dec 1972 - Nov 1988
+9.57% +21.72%
Mar 1984 - Feb 2000
2.76%
13 out of 471
+3.13%
Apr 2000 - Mar 2017
+13.86% +24.31%
Jan 1983 - Dec 1999
0.00%
0 out of 459
-0.13%
May 1971 - Apr 1988
+9.05% +19.85%
Mar 1983 - Feb 2000
0.44%
2 out of 459
+3.40%
Apr 2000 - Mar 2018
+13.01% +26.79%
Apr 1982 - Mar 2000
0.00%
0 out of 447
-1.69%
Nov 1972 - Oct 1990
+9.08% +22.21%
Sep 1982 - Aug 2000
1.12%
5 out of 447
+4.06%
Mar 2000 - Feb 2019
+12.67% +25.71%
Mar 1981 - Feb 2000
0.00%
0 out of 435
-0.56%
Nov 1971 - Oct 1990
+9.16% +20.69%
Mar 1981 - Feb 2000
0.46%
2 out of 435
+4.68%
Apr 2000 - Mar 2020
+12.56% +26.87%
Apr 1980 - Mar 2000
0.00%
0 out of 423
+0.46%
Jan 1971 - Dec 1990
+9.28% +21.40%
Apr 1980 - Mar 2000
0.00%
0 out of 423
+7.39%
Apr 2000 - Mar 2025
+13.60% +24.33%
Mar 1975 - Feb 2000
0.00%
0 out of 363
+4.65%
Apr 1971 - Mar 1996
+9.82% +16.59%
Mar 1975 - Feb 2000
0.00%
0 out of 363
+11.25%
Jul 1983 - Jun 2013
+13.67% +16.93%
Feb 1971 - Jan 2001
0.00%
0 out of 303
+4.26%
Oct 1972 - Sep 2002
+9.43% +14.35%
Nov 1990 - Oct 2020
0.00%
0 out of 303
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