|
Méthodologie sur rapprochement de données :
Les données sont récupérées à partir de trois sites Internet : " Finance Net ", " Yahoo " et " Les Echos ".
La récupération se fait :
Remarques :
" La tribune " du
lendemain confirme les données en provenance du site " Les Echos
".
A priori toutes
les données proviennent de la Bourse de Paris.
J’ai déjà
signalé à deux reprises les fautes grossières auprès
" Finance Net " sans avoir aucune réponse.
Constat :
Il est difficile de trouver des journées où les données en provenance des sites différents soient identiques.
Crédit Lyonnais
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23/09/99
|
CREDIT LYONNAIS |
0
|
0
|
1
|
0
|
27.00
|
0.00
|
27.44
|
1.25
|
1.25
|
1026398
|
1026368
|
1026368
|
22/09/99
|
CREDIT LYONNAIS |
0
|
1
|
1
|
0
|
27.10
|
27.10
|
27.10
|
-1.81
|
-1.81
|
1624973
|
1529979
|
1529979
|
21/09/99
|
CREDIT LYONNAIS |
0
|
1
|
1
|
0
|
27.60
|
27.60
|
27.60
|
-1.25
|
-1.25
|
1252507
|
1250006
|
1250006
|
20/09/99
|
CREDIT LYONNAIS |
0
|
1
|
0
|
0
|
27.95
|
27.95
|
27.95
|
-1.93
|
-1.41
|
1216049
|
1164626
|
1164626
|
17/09/99
|
CREDIT LYONNAIS |
0
|
1
|
0
|
0
|
28.50
|
28.50
|
28.50
|
0.53
|
-100.00
|
767998
|
490129
|
490129
|
16/09/99
|
CREDIT LYONNAIS |
0
|
1
|
0
|
0
|
28.35
|
28.35
|
28.35
|
-2.94
|
-3.87
|
1142013
|
3025589
|
3025589
|
15/09/99
|
CREDIT LYONNAIS |
1
|
1
|
1
|
1
|
29.21
|
29.21
|
29.21
|
-0.95
|
-0.95
|
1969336
|
1969336
|
1969336
|
14/09/99
|
CREDIT LYONNAIS |
0
|
1
|
0
|
0
|
29.49
|
29.49
|
29.49
|
0.65
|
3.29
|
1671800
|
1606216
|
1606216
|
13/09/99
|
CREDIT LYONNAIS |
0
|
1
|
1
|
0
|
29.30
|
29.30
|
29.30
|
2.63
|
2.63
|
1294851
|
2601362
|
2601362
|
10/09/99
|
CREDIT LYONNAIS |
0
|
1
|
0
|
0
|
28.55
|
28.55
|
28.55
|
-1.25
|
-3.15
|
1431783
|
1338614
|
1338614
|
09/09/99
|
CREDIT LYONNAIS |
0
|
1
|
1
|
0
|
28.91
|
28.91
|
28.91
|
-1.93
|
-1.93
|
791228
|
723000
|
723000
|
08/09/99
|
CREDIT LYONNAIS |
1
|
1
|
1
|
1
|
29.48
|
29.48
|
29.48
|
-1.21
|
-1.21
|
859759
|
859759
|
859759
|
Synthèse des
anomalies
|
|
|
|
|
|
CREDIT LYONNAIS |
12
|
2
|
11
|
7
|
2
|
ELF-AQUITAINE
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23/09/99
|
ELF AQUITAINE |
0
|
0
|
1
|
0
|
172.90
|
166.00
|
166.00
|
-3.21
|
-3.21
|
7001829
|
7001830
|
7001830
|
22/09/99
|
ELF AQUITAINE |
0
|
1
|
1
|
0
|
171.50
|
171.50
|
171.50
|
1.72
|
1.72
|
1104638
|
1065261
|
1065261
|
21/09/99
|
ELF AQUITAINE |
0
|
1
|
1
|
0
|
168.60
|
168.60
|
168.60
|
-3.99
|
-3.99
|
1923665
|
1919250
|
1919250
|
20/09/99
|
ELF AQUITAINE |
0
|
1
|
0
|
0
|
175.60
|
175.60
|
175.60
|
0.06
|
-2.39
|
683866
|
667221
|
667221
|
17/09/99
|
ELF AQUITAINE |
0
|
1
|
0
|
0
|
175.50
|
175.50
|
175.50
|
-2.45
|
0.00
|
806915
|
382944
|
382944
|
16/09/99
|
ELF AQUITAINE |
0
|
1
|
0
|
0
|
179.90
|
179.90
|
179.90
|
-0.88
|
-4.51
|
708257
|
1947736
|
1947736
|
15/09/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
181.50
|
181.50
|
181.50
|
-3.66
|
-3.66
|
1292295
|
1292295
|
1292295
|
14/09/99
|
ELF AQUITAINE |
0
|
1
|
0
|
0
|
188.40
|
188.40
|
188.40
|
1.02
|
4.20
|
3027587
|
2974638
|
2974638
|
13/09/99
|
ELF AQUITAINE |
0
|
1
|
1
|
0
|
186.50
|
186.50
|
186.50
|
3.15
|
3.15
|
3290044
|
4129329
|
4129329
|
10/09/99
|
ELF AQUITAINE |
0
|
1
|
0
|
0
|
180.80
|
180.80
|
180.80
|
2.73
|
5.12
|
1010182
|
920350
|
920350
|
09/09/99
|
ELF AQUITAINE |
0
|
1
|
1
|
0
|
176.00
|
176.00
|
176.00
|
2.33
|
2.33
|
764657
|
719002
|
719002
|
08/09/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
172.00
|
172.00
|
172.00
|
0.58
|
0.58
|
511155
|
511155
|
511155
|
07/09/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
171.00
|
171.00
|
171.00
|
0.59
|
0.59
|
488430
|
488430
|
488430
|
06/09/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
170.00
|
170.00
|
170.00
|
-1.16
|
-1.16
|
357564
|
357564
|
357564
|
03/09/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
172.00
|
172.00
|
172.00
|
1.36
|
1.36
|
416067
|
416067
|
416067
|
02/09/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
169.70
|
169.70
|
169.70
|
-1.74
|
-1.74
|
365245
|
365245
|
365245
|
01/09/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
172.70
|
172.70
|
172.70
|
4.04
|
4.04
|
646320
|
646320
|
646320
|
31/08/99
|
ELF AQUITAINE |
0
|
1
|
1
|
0
|
166.00
|
166.00
|
166.00
|
-2.12
|
-2.12
|
655990
|
649533
|
649533
|
30/08/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
169.60
|
169.60
|
169.60
|
-0.41
|
-0.41
|
231986
|
231986
|
231986
|
13/08/99
|
ELF AQUITAINE |
0
|
1
|
0
|
1
|
173.60
|
173.60
|
173.60
|
-1.36
|
-1.36
|
523767
|
523767
|
523767
|
12/08/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
176.00
|
176.00
|
176.00
|
4.95
|
4.95
|
853144
|
853144
|
853144
|
11/08/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
167.70
|
167.70
|
167.70
|
0.30
|
0.30
|
614387
|
614387
|
614387
|
10/08/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
167.20
|
167.20
|
167.20
|
2.08
|
2.08
|
878396
|
878396
|
878396
|
09/08/99
|
ELF AQUITAINE |
1
|
1
|
1
|
1
|
163.80
|
163.80
|
163.80
|
4.00
|
4.00
|
753943
|
753943
|
753943
|
06/08/99
|
ELF AQUITAINE |
0
|
0
|
0
|
0
|
156.40
|
157.50
|
157.50
|
-1.51
|
-0.82
|
668200
|
696717
|
696717
|
Synthèse des
anomalies
|
|
|
|
|
|
ELF AQUITAINE |
25
|
12
|
23
|
18
|
13
|
PINAULT PRINTEMPS
|
|
|
|
|
|
|
|
|
|
|
|
|
|
23/09/99
|
PINAULT PRINTEMPS |
0
|
0
|
1
|
0
|
173.30
|
171.50
|
171.50
|
0.00
|
0.00
|
244005
|
243702
|
243702
|
22/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
1
|
0
|
171.50
|
171.50
|
171.50
|
-0.29
|
-0.29
|
91180
|
88399
|
88399
|
21/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
1
|
0
|
172.00
|
172.00
|
172.00
|
-3.26
|
-3.26
|
114460
|
105637
|
105637
|
20/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
0
|
0
|
177.80
|
177.80
|
177.80
|
4.28
|
3.31
|
207272
|
202969
|
202969
|
17/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
1
|
0
|
170.50
|
170.50
|
170.50
|
-0.93
|
-0.93
|
165408
|
102528
|
102528
|
16/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
0
|
0
|
172.10
|
172.10
|
172.10
|
-2.22
|
-2.33
|
394671
|
597289
|
597289
|
15/09/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
176.00
|
176.00
|
176.00
|
-0.11
|
-0.11
|
226443
|
226443
|
226443
|
14/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
0
|
0
|
176.20
|
176.20
|
176.20
|
0.69
|
-1.23
|
102771
|
101286
|
101286
|
13/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
1
|
0
|
175.00
|
175.00
|
175.00
|
-1.91
|
-1.91
|
116354
|
262411
|
262411
|
10/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
0
|
0
|
178.40
|
178.40
|
178.40
|
0.85
|
3.66
|
156909
|
143566
|
143566
|
09/09/99
|
PINAULT PRINTEMPS |
0
|
1
|
1
|
0
|
176.90
|
176.90
|
176.90
|
2.79
|
2.79
|
224107
|
207978
|
207978
|
08/09/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
172.10
|
172.10
|
172.10
|
-2.16
|
-2.16
|
322006
|
322006
|
322006
|
07/09/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
175.90
|
175.90
|
175.90
|
1.68
|
1.68
|
467833
|
467833
|
467833
|
06/09/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
173.00
|
173.00
|
173.00
|
0.58
|
0.58
|
212628
|
212628
|
212628
|
03/09/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
172.00
|
172.00
|
172.00
|
3.99
|
3.99
|
331766
|
331766
|
331766
|
02/09/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
165.40
|
165.40
|
165.40
|
0.24
|
0.24
|
195483
|
195483
|
195483
|
01/09/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
165.00
|
165.00
|
165.00
|
0.61
|
0.61
|
156682
|
156682
|
156682
|
31/08/99
|
PINAULT PRINTEMPS |
0
|
1
|
1
|
0
|
164.00
|
164.00
|
164.00
|
-2.61
|
-2.61
|
617679
|
616424
|
616424
|
30/08/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
168.40
|
168.40
|
168.40
|
-0.24
|
-0.24
|
72299
|
72299
|
72299
|
13/08/99
|
PINAULT-PRINT.RED. |
0
|
1
|
0
|
1
|
158.50
|
158.50
|
158.50
|
1.02
|
1.02
|
152336
|
152336
|
152336
|
12/08/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
156.90
|
156.90
|
156.90
|
1.88
|
1.88
|
197963
|
197963
|
197963
|
11/08/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
154.00
|
154.00
|
154.00
|
0.98
|
0.98
|
85261
|
85261
|
85261
|
10/08/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
152.50
|
152.50
|
152.50
|
-0.39
|
-0.39
|
132432
|
132432
|
132432
|
09/08/99
|
PINAULT PRINTEMPS |
0
|
0
|
1
|
0
|
152.50
|
152.50
|
153.10
|
-0.33
|
-0.33
|
206442
|
206442
|
206442
|
06/08/99
|
PINAULT PRINTEMPS |
1
|
1
|
1
|
1
|
153.00
|
153.00
|
153.00
|
0.26
|
0.26
|
156684
|
156684
|
156684
|
Synthèse des
anomalies
|
|
|
|
|
|
PINAULT PRINTEMPS |
25
|
12
|
23
|
20
|
13
|
Les données
comparées sont :
1. Les cours des clôtures.
2. Les volumes journaliers
Sur les cours des clôtures
:
80 divergences sur
4912 donc: 1.63 %
Les volumes journaliers
:
397 divergences sur
4912 donc : 8.08 %
Suite à ces
divergences j’ai adopté une stratégie de s’aligner à
long terme sur les données en provenance du site « Les Echos
».
Pour tous ce qui est
temps réel les données sont récupérées
à partir des sites « Yahoo Finace » et « Net Finance
».
Copyright © 1999,
zgalus