Biggest weekly falls in the FTSE 100 Index
Biggest Friday-to-Friday percentage falls
21%
Global financial crisis
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19
11
21 Nov 2008
Global financial
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs
21%
Global financial crisis
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19 pandemic
11
21 Nov 2008
Global financial crisis
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs
Global financial crisis
21%
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19 pandemic
11
21 Nov 2008
Global financial crisis
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs
Global financial crisis
21%
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19 pandemic
11
21 Nov 2008
Global financial crisis
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs
21%
Global financial crisis
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19
11
21 Nov 2008
Global financial
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs
21%
Global financial crisis
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19 pandemic
11
21 Nov 2008
Global financial crisis
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs
Global financial crisis
21%
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19 pandemic
11
21 Nov 2008
Global financial crisis
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs
Global financial crisis
21%
10 Oct 2008
18
23 Oct 1987
Black Monday
17
13 Mar 2020
Covid-19 pandemic
11
28 Feb 2020
Covid-19 pandemic
11
21 Nov 2008
Global financial crisis
10
5 Aug 2011
Euro area crisis
8
12 Jul 2002
Sep 11 attack
8
16 Oct 1987
Black Monday
8
6 Mar 2009
Global financial crisis
8
7 May 2010
Flash crash
7
6 Nov 1987
Black Monday
7
21 Sep 2001
Sep 11 attack
7
20 Feb 2009
Global financial crisis
7
5 Sep 2008
Global financial crisis
7%
4 Apr 2025
Trump tariffs