In[]:=
data=
Fri 4 Jan 2019 00:00:00GMT-4

112.01
117.49
111.69
117.32
13064338
,
Fri 11 Jan 2019 00:00:00GMT-4

117.5
121.86
116.67
121.46
19780844
,
Fri 18 Jan 2019 00:00:00GMT-4

120.51
124.718
119.761
123.82
23616108
,
Fri 25 Jan 2019 00:00:00GMT-4

123.3
135.0
121.54
133.97
44147478
,
Fri 1 Feb 2019 00:00:00GMT-4

133.1
135.415
132.58
134.1
23585862
,
Fri 8 Feb 2019 00:00:00GMT-4

134.02
136.65
132.12
133.71
21874687
,
Fri 15 Feb 2019 00:00:00GMT-4

134.29
138.185
133.91
138.03
17299173
,
Fri 22 Feb 2019 00:00:00GMT-4

137.81
139.38
137.22
139.25
13238819
,
Fri 1 Mar 2019 00:00:00GMT-4

140.0
140.49
137.72
139.2
15273342
,
Fri 8 Mar 2019 00:00:00GMT-4

139.99
140.08
133.58
135.09
17973567
,
Fri 15 Mar 2019 00:00:00GMT-4

136.03
140.33
135.84
139.43
20959826
,
Fri 22 Mar 2019 00:00:00GMT-4

139.83
142.12
138.72
139.45
17883337
,
Fri 29 Mar 2019 00:00:00GMT-4

139.06
141.22
138.35
141.1
14257045
,
Fri 5 Apr 2019 00:00:00GMT-4

141.51
144.22
141.51
143.28
14574262
,
Fri 12 Apr 2019 00:00:00GMT-4

143.02
144.44
141.84
144.35
13675882
,
Thu 18 Apr 2019 00:00:00GMT-4

144.4
145.39
136.26
140.33
27390537
,
Fri 26 Apr 2019 00:00:00GMT-4

139.42
141.31
137.71
139.44
16961387
,
Fri 3 May 2019 00:00:00GMT-4

139.15
141.81
138.68
140.25
16772230
,
Fri 10 May 2019 00:00:00GMT-4

138.3
140.69
132.42
135.32
19509963
,
Fri 17 May 2019 00:00:00GMT-4

133.28
136.11
130.96
134.32
16426011
,
Fri 24 May 2019 00:00:00GMT-4

133.53
137.06
130.44
132.28
15557532
,
Fri 31 May 2019 00:00:00GMT-4

132.13
132.64
126.85
126.99
14869322
,
Fri 7 Jun 2019 00:00:00GMT-4

127.1
134.72
127.06
133.31
16193845
,
Fri 14 Jun 2019 00:00:00GMT-4

134.38
136.46
133.91
135.15
13722199
,
Fri 21 Jun 2019 00:00:00GMT-4

135.39
139.54
134.7
139.2
15851123
,
Fri 28 Jun 2019 00:00:00GMT-4

139.2
140.15
137.84
137.9
15575818
,
Fri 5 Jul 2019 00:00:00GMT-4

139.6
141.82
139.28
141.38
9862722
,
Fri 12 Jul 2019 00:00:00GMT-4

141.05
142.92
139.13
142.74
13194248
,
Fri 19 Jul 2019 00:00:00GMT-4

142.89
151.58
141.95
149.68
31893327
,
Fri 26 Jul 2019 00:00:00GMT-4

150.16
151.94
148.38
151.36
16794485
,
Fri 2 Aug 2019 00:00:00GMT-4

151.11
152.95
145.59
147.25
22876887
,
Fri 9 Aug 2019 00:00:00GMT-4

144.98
145.1
135.35
136.13
28623442
;
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Out[]=
{{6,132.12},{9,140.49},{10,133.58},{12,142.12},{13,138.35},{16,145.39}}
Out[]=