CBOE Intra-day Volume

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Half Hourly Exchange Volume Report For 9/21/2017

Total

Time Calls Puts Total P/C Ratio
9:00 AM 262893 247476 510369 0.94
9:30 AM 509958 420463 930421 0.82
10:00 AM 820953 666732 1487685 0.81
10:30 AM 943398 774052 1717450 0.82
11:00 AM 1033873 878785 1912658 0.85
11:30 AM 1153664 1010991 2164655 0.88
12:00 PM 1304426 1043577 2348003 0.80
12:30 PM 1384588 1107166 2491754 0.80
1:00 PM 1468427 1166315 2634742 0.79
1:30 PM 1561694 1252171 2813865 0.80
2:00 PM 1672371 1409910 3082281 0.84
2:30 PM 1761275 1463674 3224949 0.83
3:00 PM 1922071 1604727 3526798 0.83

Index Options

Time Calls Puts Total
9:00 AM 87022 84196 171218
9:30 AM 209674 151413 361087
10:00 AM 403261 316711 719972
10:30 AM 434768 359196 793964
11:00 AM 458814 406201 865015
11:30 AM 477395 445097 922492
12:00 PM 604963 463213 1068176
12:30 PM 626113 485996 1112109
1:00 PM 653958 510136 1164094
1:30 PM 684980 535159 1220139
2:00 PM 722982 634024 1357006
2:30 PM 751460 650870 1402330
3:00 PM 826172 709934 1536106

Equity Options

Time Calls Puts Total
9:00 AM 175871 163280 339151
9:30 AM 300284 269050 569334
10:00 AM 417692 350021 767713
10:30 AM 508630 414856 923486
11:00 AM 575059 472584 1047643
11:30 AM 676269 565894 1242163
12:00 PM 699463 580364 1279827
12:30 PM 758475 621170 1379645
1:00 PM 814469 656179 1470648
1:30 PM 876714 717012 1593726
2:00 PM 949389 775886 1725275
2:30 PM 1009815 812804 1822619
3:00 PM 1095899 894793 1990692

Final Volume and Open Interest information can be found here.
* Fields with N/A indicate that the data is not available.



Half Hourly Volume Report for Selected Indices For 9/21/2017

DOW Industrials

Time Calls Puts Total
9:00 AM 607 148 755
9:30 AM 633 208 841
10:00 AM 634 217 851
10:30 AM 634 299 933
11:00 AM 635 300 935
11:30 AM 636 309 945
12:00 PM 636 360 996
12:30 PM 636 362 998
1:00 PM 644 362 1006
1:30 PM 647 362 1009
2:00 PM 660 362 1022
2:30 PM 660 362 1022
3:00 PM 691 573 1264

S&P 100

Time Calls Puts Total
9:00 AM 18 16 34
9:30 AM 20 104 124
10:00 AM 110 104 214
10:30 AM 110 104 214
11:00 AM 110 106 216
11:30 AM 110 106 216
12:00 PM 110 106 216
12:30 PM 125 106 231
1:00 PM 125 106 231
1:30 PM 125 106 231
2:00 PM 125 108 233
2:30 PM 137 120 257
3:00 PM 137 130 267

S&P 500

Time Calls Puts Total
9:00 AM 9013 13349 22362
9:30 AM 21092 31741 52833
10:00 AM 76461 102628 179089
10:30 AM 78747 114753 193500
11:00 AM 91170 133602 224772
11:30 AM 94353 144780 239133
12:00 PM 98448 152880 251328
12:30 PM 100584 157511 258095
1:00 PM 102261 168317 270578
1:30 PM 107699 175704 283403
2:00 PM 115308 189116 304424
2:30 PM 117546 193952 311498
3:00 PM 125189 205152 330341

Final Volume and Open Interest information can be found here.
* Fields with N/A indicate that the data is not available.



Daily Open Interest as-of-close on 9/20/2017

CBOE Total Open Interest

Calls Puts Total
130982084 138922992 269905076

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CBOE Index Open Interest on 9/20/2017

Option Calls Puts Total
OEX 2071 5047 7118
SPX 2249732 4859269 7109001
NDX N/A N/A N/A
MNX N/A N/A N/A
DJX 53985 44746 98731
OEX post exp N/A N/A N/A
SPX post exp N/A N/A N/A
NDX post exp N/A N/A N/A
MNX post exp N/A N/A N/A
DJX post exp N/A N/A N/A