"Returns on General Motors Stock during 1987-1988"
DAY MONTH YEAR PRICE RETURN
02 1 1987 66.875 0.01325758
05 1 1987 68.5 0.02429906
06 1 1987 68.75 0.003649635
07 1 1987 69.125 0.005454545
08 1 1987 68.125 -0.01446655
09 1 1987 68.75 0.009174312
12 1 1987 68.625 -0.001818182
13 1 1987 68 -0.009107468
14 1 1987 67.5 -0.007352941
15 1 1987 68.5 0.01481481
16 1 1987 68.75 0.003649635
19 1 1987 70 0.01818182
20 1 1987 71.125 0.01607143
21 1 1987 70.75 -0.005272408
22 1 1987 72.375 0.0229682
23 1 1987 70.125 -0.03108808
26 1 1987 70 -0.001782531
27 1 1987 71.625 0.02321429
28 1 1987 72 0.005235602
29 1 1987 75.25 0.04513889
30 1 1987 75.25 0
02 2 1987 77.875 0.03488372
03 2 1987 76.5 -0.0176565
04 2 1987 78.375 0.0245098
05 2 1987 80 0.02073365
06 2 1987 76.125 -0.0328125
09 2 1987 76.125 0
10 2 1987 75.625 -0.006568145
11 2 1987 75.125 -0.00661157
12 2 1987 75.125 0
13 2 1987 76 0.01164725
17 2 1987 77.75 0.02302632
18 2 1987 77.25 -0.006430868
19 2 1987 77.5 0.003236246
20 2 1987 76.75 -0.009677419
23 2 1987 76.625 -0.001628664
24 2 1987 76.875 0.003262643
25 2 1987 75 -0.02439024
26 2 1987 74.375 -0.008333334
27 2 1987 74.625 0.003361345
02 3 1987 74.75 0.001675042
03 3 1987 75.625 0.01170569
04 3 1987 79.5 0.05123967
05 3 1987 78 -0.01886792
06 3 1987 77.5 -0.006410256
09 3 1987 78.5 0.01290323
10 3 1987 79 0.006369427
11 3 1987 78.25 -0.00949367
12 3 1987 78 -0.003194888
13 3 1987 77.875 -0.001602564
16 3 1987 77 -0.01123596
17 3 1987 77.625 0.008116883
18 3 1987 77.375 -0.003220612
19 3 1987 77.75 0.004846527
20 3 1987 78.125 0.004823151
23 3 1987 79.25 0.0144
24 3 1987 79.375 0.001577287
25 3 1987 79.375 0
26 3 1987 80 0.007874016
27 3 1987 77.875 -0.0265625
30 3 1987 76.875 -0.01284109
31 3 1987 78.125 0.01626016
01 4 1987 78.75 0.008
02 4 1987 78.625 -0.001587302
03 4 1987 79.75 0.01430843
06 4 1987 81.5 0.02194357
07 4 1987 82.25 0.009202454
08 4 1987 84.25 0.02431611
09 4 1987 83.25 -0.01186944
10 4 1987 86 0.03303303
13 4 1987 84.25 -0.02034884
14 4 1987 82.875 -0.01632047
15 4 1987 86 0.03770739
16 4 1987 86.75 0.008720931
20 4 1987 85.75 -0.01152738
21 4 1987 89.125 0.0393586
22 4 1987 87.375 -0.01963534
23 4 1987 87.875 0.005722461
24 4 1987 86.25 -0.01849218
27 4 1987 86.625 0.004347826
28 4 1987 86.25 -0.004329004
29 4 1987 87.375 0.01304348
30 4 1987 90 0.03004292
01 5 1987 91.625 0.01805556
04 5 1987 91.25 -0.004092769
05 5 1987 91.75 0.005479452
06 5 1987 91.75 0
07 5 1987 91.5 -0.002724796
08 5 1987 89.75 -0.005464481
11 5 1987 89.75 0
12 5 1987 90 0.002785515
13 5 1987 89.5 -0.005555556
14 5 1987 88.5 -0.01117318
15 5 1987 87.625 -0.009887005
18 5 1987 87.125 -0.005706134
19 5 1987 85.125 -0.02295552
20 5 1987 83.875 -0.01468429
21 5 1987 83.125 -0.008941878
22 5 1987 84.25 0.01353383
26 5 1987 84.75 0.005934718
27 5 1987 83.875 -0.01032448
28 5 1987 85.25 0.01639344
29 5 1987 85.25 0
01 6 1987 85.25 0
02 6 1987 84.375 -0.01026393
03 6 1987 86.375 0.0237037
04 6 1987 86.375 0
05 6 1987 85.875 -0.005788712
08 6 1987 86.25 0.004366812
09 6 1987 86.125 -0.001449275
10 6 1987 84 -0.02467344
11 6 1987 84.375 0.004464286
12 6 1987 83.875 -0.005925926
15 6 1987 83.625 -0.002980626
16 6 1987 82.75 -0.01046338
17 6 1987 82.125 -0.00755287
18 6 1987 83 0.01065449
19 6 1987 83.375 0.004518072
22 6 1987 84 0.007496252
23 6 1987 84 0
24 6 1987 84 0
25 6 1987 84.125 0.001488095
26 6 1987 83.75 -0.004457652
29 6 1987 83.875 0.001492537
30 6 1987 82.625 -0.01490313
01 7 1987 81.375 -0.01512859
02 7 1987 81.25 -0.001536098
06 7 1987 80 -0.01538462
07 7 1987 80.75 0.009375
08 7 1987 81 0.003095975
09 7 1987 80.625 -0.00462963
10 7 1987 81.75 0.01395349
13 7 1987 83.25 0.01834862
14 7 1987 85.25 0.02402402
15 7 1987 84.375 -0.01026393
16 7 1987 83.25 -0.01333333
17 7 1987 83.625 0.004504505
20 7 1987 83.5 -0.001494768
21 7 1987 83.25 -0.002994012
22 7 1987 84 0.009009009
23 7 1987 85.5 0.01785714
24 7 1987 86.75 0.01461988
27 7 1987 86.5 -0.002881844
28 7 1987 86 -0.005780347
29 7 1987 86.375 0.004360465
30 7 1987 86.875 0.005788712
31 7 1987 88.875 0.02302158
03 8 1987 87.5 -0.01547117
04 8 1987 87.875 0.004285714
05 8 1987 88.75 0.009957326
06 8 1987 87.875 -0.009859155
07 8 1987 86.875 0.00284495
10 8 1987 88.75 0.02158273
11 8 1987 89.875 0.01267606
12 8 1987 90 0.001390821
13 8 1987 91.5 0.01666667
14 8 1987 93.5 0.02185792
17 8 1987 93.875 0.004010695
18 8 1987 92.125 -0.01864181
19 8 1987 92.25 0.001356852
20 8 1987 93.625 0.01490515
21 8 1987 92 -0.01735648
24 8 1987 91.5 -0.005434783
25 8 1987 91.875 0.00409836
26 8 1987 90.75 -0.0122449
27 8 1987 89.625 -0.01239669
28 8 1987 90 0.0041841
31 8 1987 92 0.02222222
01 9 1987 88.75 -0.03532609
02 9 1987 88 -0.008450705
03 9 1987 88 0
04 9 1987 87.125 -0.009943182
08 9 1987 86.25 -0.01004304
09 9 1987 85.75 -0.005797102
10 9 1987 86 0.002915452
11 9 1987 86.125 0.001453488
14 9 1987 88.625 0.02902758
15 9 1987 87.625 -0.0112835
16 9 1987 87.5 -0.001426534
17 9 1987 87.25 -0.002857143
18 9 1987 85.5 -0.02005731
21 9 1987 85 -0.005847953
22 9 1987 86.5 0.01764706
23 9 1987 86.25 -0.002890173
24 9 1987 84.625 -0.01884058
25 9 1987 84.5 -0.001477105
28 9 1987 83.125 -0.01627219
29 9 1987 83 -0.001503759
30 9 1987 83 0
01 10 1987 84.25 0.01506024
02 10 1987 82.5 -0.02077151
05 10 1987 81.375 -0.01363636
06 10 1987 80 -0.01689708
07 10 1987 78.25 -0.021875
08 10 1987 76.25 -0.0255591
09 10 1987 74.5 -0.02295082
12 10 1987 73.875 -0.008389262
13 10 1987 75.375 0.02030457
14 10 1987 73 -0.03150912
15 10 1987 70.875 -0.02910959
16 10 1987 66 -0.06878307
19 10 1987 52.125 -0.2102273
20 10 1987 59.75 0.146283
21 10 1987 62.25 0.041841
22 10 1987 58 -0.06827309
23 10 1987 57.5 -0.00862069
26 10 1987 55.5 -0.03478261
27 10 1987 59.375 0.06981982
28 10 1987 57.875 -0.02526316
29 10 1987 59.125 0.02159827
30 10 1987 58.5 -0.01057082
02 11 1987 58.625 0.002136752
03 11 1987 58.75 0.002132196
04 11 1987 60.25 0.02553191
05 11 1987 60.125 0.0186722
06 11 1987 58.75 -0.02286902
09 11 1987 58 -0.01276596
10 11 1987 57.375 -0.01077586
11 11 1987 57.75 0.006535948
12 11 1987 60.375 0.04545455
13 11 1987 59 -0.02277433
16 11 1987 60 0.01694915
17 11 1987 59.75 -0.004166667
18 11 1987 61 0.0209205
19 11 1987 59.25 -0.02868852
20 11 1987 60.625 0.02320675
23 11 1987 60.125 -0.008247423
24 11 1987 59.875 -0.004158004
25 11 1987 59.25 -0.01043841
27 11 1987 58.5 -0.01265823
30 11 1987 56.375 -0.03632479
01 12 1987 57.875 0.02660754
02 12 1987 57.75 -0.002159827
03 12 1987 56 -0.03030303
04 12 1987 55.875 -0.002232143
07 12 1987 56.375 0.008948546
08 12 1987 57.75 0.02439024
09 12 1987 59.625 0.03246753
10 12 1987 57.5 -0.03563941
11 12 1987 59 0.02608696
14 12 1987 60.375 0.02330508
15 12 1987 61.25 0.01449275
16 12 1987 62.75 0.0244898
17 12 1987 61 -0.02788845
18 12 1987 62.375 0.02254098
21 12 1987 63.375 0.01603206
22 12 1987 61.875 -0.02366864
23 12 1987 62.75 0.01414141
24 12 1987 63.25 0.007968128
28 12 1987 62 -0.01976285
29 12 1987 61.75 -0.004032258
30 12 1987 61.5 -0.004048583
31 12 1987 61.375 -0.00203252
04 1 1988 63.25 0.0305499
05 1 1988 63.75 0.007905139
06 1 1988 64.25 0.007843138
07 1 1988 66.25 0.0311284
08 1 1988 62 -0.06415094
11 1 1988 62.75 0.01209677
12 1 1988 62.5 -0.003984064
13 1 1988 63.375 0.014
14 1 1988 62.375 -0.01577909
15 1 1988 63.375 0.01603206
18 1 1988 64.375 0.01577909
19 1 1988 63 -0.02135922
20 1 1988 61.375 -0.02579365
21 1 1988 60.5 -0.01425662
22 1 1988 61.5 0.01652892
25 1 1988 63.5 0.03252032
26 1 1988 64.875 0.02165354
27 1 1988 64.125 -0.01156069
28 1 1988 65.5 0.0214425
29 1 1988 65.75 0.003816794
01 2 1988 64.875 -0.01330798
02 2 1988 64.375 -0.007707129
03 2 1988 65.375 0.01553398
04 2 1988 65.5 0.001912046
05 2 1988 63.125 -0.01717557
08 2 1988 61.25 -0.02970297
09 2 1988 62.875 0.02653061
10 2 1988 66.125 0.05168986
11 2 1988 65.625 -0.007561437
12 2 1988 67.125 0.02285714
16 2 1988 69.25 0.03165736
17 2 1988 69 -0.003610108
18 2 1988 67.5 -0.02173913
19 2 1988 69.125 0.02407407
22 2 1988 70.625 0.02169982
23 2 1988 70.125 -0.007079646
24 2 1988 70 -0.001782531
25 2 1988 68.625 -0.01964286
26 2 1988 69.125 0.007285974
29 2 1988 72.25 0.04520795
01 3 1988 71.125 -0.01557093
02 3 1988 71.125 0
03 3 1988 70.75 -0.005272408
04 3 1988 71.5 0.01060071
07 3 1988 72 0.006993007
08 3 1988 72.75 0.01041667
09 3 1988 72.5 -0.003436426
10 3 1988 70.25 -0.03103448
11 3 1988 71.75 0.02135231
14 3 1988 71.75 0
15 3 1988 71.75 0
16 3 1988 73.75 0.02787456
17 3 1988 73.5 -0.00338983
18 3 1988 72 -0.02040816
21 3 1988 72 0
22 3 1988 72.25 0.003472222
23 3 1988 72.375 0.001730104
24 3 1988 71 -0.01899827
25 3 1988 69.25 -0.02464789
28 3 1988 69.5 0.003610108
29 3 1988 70.875 0.01978417
30 3 1988 71.25 0.005291005
31 3 1988 71.375 0.001754386
04 4 1988 70.375 -0.01401051
05 4 1988 70.625 0.003552398
06 4 1988 74 0.04778761
07 4 1988 74.125 0.001689189
08 4 1988 75.25 0.01517707
11 4 1988 75.25 0
12 4 1988 75.75 0.006644518
13 4 1988 75.375 -0.004950495
14 4 1988 71.625 -0.04975124
15 4 1988 72.75 0.01570681
18 4 1988 71.875 -0.01202749
19 4 1988 71.75 -0.00173913
20 4 1988 72.25 0.006968641
21 4 1988 72.125 -0.001730104
22 4 1988 73.375 0.01733102
25 4 1988 74.625 0.01703577
26 4 1988 76.625 0.02680067
27 4 1988 76.75 0.001631321
28 4 1988 75.5 -0.01628665
29 4 1988 75 -0.006622517
02 5 1988 75.75 0.01
03 5 1988 76.875 0.01485149
04 5 1988 76 -0.01138211
05 5 1988 75.75 -0.003289474
06 5 1988 74.375 -0.001650166
09 5 1988 73.75 -0.008403362
10 5 1988 73.375 -0.005084746
11 5 1988 72.625 -0.01022147
12 5 1988 73 0.005163511
13 5 1988 75.25 0.03082192
16 5 1988 76.75 0.01993356
17 5 1988 76.5 -0.003257329
18 5 1988 75 -0.01960784
19 5 1988 75 0
20 5 1988 74.625 -0.005
23 5 1988 74.625 0
24 5 1988 74.125 -0.006700167
25 5 1988 73.375 -0.01011804
26 5 1988 72.875 -0.00681431
27 5 1988 72.75 -0.001715266
31 5 1988 75.125 0.03264605
01 6 1988 76.875 0.02329451
02 6 1988 76.25 -0.008130081
03 6 1988 76.25 0
06 6 1988 77 0.009836066
07 6 1988 75.5 -0.01948052
08 6 1988 77.625 0.0281457
09 6 1988 77.375 -0.003220612
10 6 1988 78.25 0.01130856
13 6 1988 79.375 0.014377
14 6 1988 79.625 0.003149606
15 6 1988 80.125 0.006279435
16 6 1988 79 -0.01404056
17 6 1988 80.125 0.01424051
20 6 1988 79.5 -0.007800312
21 6 1988 79.875 0.004716981
22 6 1988 80.625 0.009389671
23 6 1988 79.875 -0.009302326
24 6 1988 79.25 -0.007824726
27 6 1988 78.5 -0.009463723
28 6 1988 79.125 0.007961784
29 6 1988 78.625 -0.006319115
30 6 1988 80.125 0.0190779
01 7 1988 79.75 -0.004680187
05 7 1988 79.875 0.001567398
06 7 1988 79 -0.01095462
07 7 1988 79 0
08 7 1988 77.75 -0.01582278
11 7 1988 77.375 -0.004823151
12 7 1988 78.875 0.01938611
13 7 1988 78.875 0
14 7 1988 78.375 -0.006339144
15 7 1988 79.5 0.01435407
18 7 1988 79.625 0.001572327
19 7 1988 79 -0.007849294
20 7 1988 79.25 0.003164557
21 7 1988 79.625 0.004731861
22 7 1988 78.625 -0.01255887
25 7 1988 80 0.01748808
26 7 1988 79.375 -0.0078125
27 7 1988 79.25 -0.001574803
28 7 1988 80 0.009463723
29 7 1988 80.125 0.0015625
01 8 1988 80 -0.001560062
02 8 1988 79.25 -0.009375
03 8 1988 79.75 0.006309148
04 8 1988 79.25 -0.006269592
05 8 1988 78.125 0.001577287
08 8 1988 78 -0.0016
09 8 1988 77.25 -0.009615385
10 8 1988 75.75 -0.01941748
11 8 1988 75.875 0.001650165
12 8 1988 75.75 -0.001647446
15 8 1988 75.375 -0.004950495
16 8 1988 75 -0.004975124
17 8 1988 74 -0.01333333
18 8 1988 74.75 0.01013513
19 8 1988 72 -0.0367893
22 8 1988 71.125 -0.01215278
23 8 1988 72.25 0.01581722
24 8 1988 73 0.01038062
25 8 1988 72.375 -0.008561644
26 8 1988 72 -0.005181347
29 8 1988 72.625 0.008680556
30 8 1988 72.875 0.003442341
31 8 1988 72.875 0
01 9 1988 71.875 -0.01372213
02 9 1988 73.375 0.02086957
06 9 1988 74.25 0.01192504
07 9 1988 73.75 -0.006734007
08 9 1988 73.625 -0.001694915
09 9 1988 73.25 -0.005093378
12 9 1988 74.125 0.01194539
13 9 1988 74.625 0.006745363
14 9 1988 75.25 0.00837521
15 9 1988 74.75 -0.006644518
16 9 1988 75.375 0.008361204
19 9 1988 74.375 -0.013267
20 9 1988 74.25 -0.001680672
21 9 1988 73.875 -0.005050505
22 9 1988 72.75 -0.01522843
23 9 1988 73.625 0.01202749
26 9 1988 74.125 0.006791172
27 9 1988 73.625 -0.006745363
28 9 1988 73.375 -0.003395586
29 9 1988 74.5 0.0153322
30 9 1988 75 0.006711409
03 10 1988 75.125 0.001666667
04 10 1988 75 -0.001663893
05 10 1988 74.5 -0.006666667
06 10 1988 74.125 -0.005033557
07 10 1988 75.625 0.02023609
10 10 1988 75.625 0
11 10 1988 75.25 -0.004958678
12 10 1988 73.875 -0.01827243
13 10 1988 74.5 0.008460237
14 10 1988 74.625 0.001677852
17 10 1988 75 0.005025126
18 10 1988 76.875 0.025
19 10 1988 75.875 -0.01300813
20 10 1988 76.875 0.01317957
21 10 1988 77 0.001626016
24 10 1988 76.75 -0.003246753
25 10 1988 77.625 0.01140065
26 10 1988 77.625 0
27 10 1988 80.5 0.03703704
28 10 1988 83.875 0.04192547
31 10 1988 83.375 -0.005961252
01 11 1988 84 0.007496252
02 11 1988 84.875 0.01041667
03 11 1988 84.625 -0.002945508
04 11 1988 83.375 -0.01477105
07 11 1988 82.5 -0.01049475
08 11 1988 83 0.006060606
09 11 1988 83 0
10 11 1988 81.875 0.001506024
11 11 1988 80.875 -0.01221374
14 11 1988 80.375 -0.00618238
15 11 1988 81.125 0.00933126
16 11 1988 79.25 -0.02311248
17 11 1988 80 0.009463723
18 11 1988 80.125 0.0015625
21 11 1988 80.625 0.00624025
22 11 1988 81.375 0.009302326
23 11 1988 82.25 0.01075269
25 11 1988 82.125 -0.001519757
28 11 1988 82.25 0.00152207
29 11 1988 83.875 0.01975684
30 11 1988 84.25 0.004470939
01 12 1988 84.5 0.002967359
02 12 1988 83.625 -0.01035503
05 12 1988 85.75 0.02541106
06 12 1988 87.25 0.01749271
07 12 1988 86.375 -0.01002865
08 12 1988 86 -0.004341534
09 12 1988 86.5 0.005813953
12 12 1988 86.5 0
13 12 1988 86.375 -0.001445087
14 12 1988 86 -0.004341534
15 12 1988 85.625 -0.004360465
16 12 1988 85.75 0.001459854
19 12 1988 87.75 0.02332362
20 12 1988 87 -0.008547009
21 12 1988 86.125 -0.01005747
22 12 1988 85.75 -0.004354137
23 12 1988 85.125 -0.00728863
27 12 1988 85.375 0.002936858
28 12 1988 85.25 -0.001464129
29 12 1988 85.25 0
30 12 1988 83.5 -0.02052786