what was the maximum percent increase of spy from september 2020 to september 2021

SPY returned 24.8% between September 1, 2020 and September 30, 2021.

DATEOPENHIGHLOWCLOSEVOLUME
September 30 2021
$410.99
$411.70
$404.17
$404.50
140,506,000
September 29 2021
$410.21
$411.95
$408.94
$409.51
82,329,211
September 28 2021
$414.45
$414.78
$408.09
$408.82
130,436,305
September 27 2021
$417.39
$418.56
$416.53
$417.23
61,371,113
September 24 2021
$416.10
$419.14
$415.88
$418.43
62,094,840
September 23 2021
$414.60
$419.35
$414.36
$417.74
76,395,984
September 22 2021
$411.02
$414.77
$408.85
$412.72
102,350,094
September 21 2021
$411.47
$412.77
$408.21
$408.74
92,526,109
September 20 2021
$409.91
$411.50
$404.24
$409.12
166,445,500
September 17 2021
$419.38
$419.80
$415.70
$416.06
118,425,000
September 16 2021
$420.29
$421.27
$417.19
$420.15
77,786,734
September 15 2021
$417.76
$421.32
$416.65
$420.82
78,792,227
September 14 2021
$421.05
$421.25
$416.44
$417.33
78,197,133
September 13 2021
$421.53
$421.80
$417.28
$419.60
83,738,648
September 10 2021
$423.79
$424.21
$418.41
$418.53
89,948,172
September 09 2021
$423.47
$425.23
$421.61
$421.85
57,970,406
September 08 2021
$423.65
$424.38
$421.74
$423.67
56,181,910
September 07 2021
$425.36
$425.45
$423.51
$424.18
51,671,527
September 03 2021
$424.67
$426.22
$424.27
$425.71
47,234,359
September 02 2021
$425.93
$426.62
$424.61
$425.81
42,830,871
September 01 2021
$425.22
$425.73
$424.26
$424.50
48,721,379
August 31 2021
$424.81
$425.15
$423.68
$424.28
59,300,207
August 30 2021
$423.72
$425.70
$423.48
$424.91
48,357,359
August 27 2021
$420.11
$423.42
$420.05
$423.05
77,235,109
August 26 2021
$421.51
$421.74
$419.20
$419.30
57,829,566