CBOE Intra-day Volume

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Half Hourly Exchange Volume Report For 8/3/2015

Total

Time Calls Puts Total P/C Ratio
9:00 AM 207592 208578 416170 1.00
9:30 AM 401064 463558 864622 1.16
10:00 AM 566671 586624 1153295 1.04
10:30 AM 693480 691775 1385255 1.00
11:00 AM 1018109 902967 1921076 0.89
11:30 AM 1104375 991465 2095840 0.90
12:00 PM 1278623 1150191 2428814 0.90
12:30 PM 1416665 1302154 2718819 0.92
1:00 PM 1500809 1389691 2890500 0.93
1:30 PM 1570263 1470232 3040495 0.94
2:00 PM 1649355 1594683 3244038 0.97
2:30 PM 1751502 1738811 3490313 0.99
3:00 PM 1869611 1860856 3730467 1.00

Index Options

Time Calls Puts Total
9:00 AM 63750 76927 140677
9:30 AM 124263 168463 292726
10:00 AM 178129 221009 399138
10:30 AM 233302 271821 505123
11:00 AM 488141 438076 926217
11:30 AM 504793 459571 964364
12:00 PM 560211 523071 1083282
12:30 PM 615485 605583 1221068
1:00 PM 646573 643587 1290160
1:30 PM 668601 662745 1331346
2:00 PM 689807 687019 1376826
2:30 PM 741933 744784 1486717
3:00 PM 778824 790611 1569435

Equity Options

Time Calls Puts Total
9:00 AM 143842 131651 275493
9:30 AM 276801 295095 571896
10:00 AM 388542 365615 754157
10:30 AM 460178 419954 880132
11:00 AM 529968 464891 994859
11:30 AM 599582 531894 1131476
12:00 PM 718412 627120 1345532
12:30 PM 801180 696571 1497751
1:00 PM 854236 746104 1600340
1:30 PM 901662 807487 1709149
2:00 PM 959548 907664 1867212
2:30 PM 1009569 994027 2003596
3:00 PM 1090787 1070245 2161032

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 8/3/2015

DOW Industrials

Time Calls Puts Total
9:00 AM 11 79 90
9:30 AM 3195 358 3553
10:00 AM 3265 470 3735
10:30 AM 3365 536 3901
11:00 AM 3745 717 4462
11:30 AM 3750 737 4487
12:00 PM 3891 762 4653
12:30 PM 3945 812 4757
1:00 PM 3951 841 4792
1:30 PM 4068 856 4924
2:00 PM 4228 856 5084
2:30 PM 4369 869 5238
3:00 PM 4482 872 5354

S&P 100

Time Calls Puts Total
9:00 AM 93 73 166
9:30 AM 506 106 612
10:00 AM 606 280 886
10:30 AM 610 360 970
11:00 AM 610 370 980
11:30 AM 709 370 1079
12:00 PM 757 472 1229
12:30 PM 1001 474 1475
1:00 PM 1014 514 1528
1:30 PM 1249 543 1792
2:00 PM 1250 549 1799
2:30 PM 1380 559 1939
3:00 PM 1399 574 1973

S&P 500

Time Calls Puts Total
9:00 AM 16014 19697 35711
9:30 AM 30490 62835 93325
10:00 AM 39971 84601 124572
10:30 AM 46838 100945 147783
11:00 AM 77594 133526 211120
11:30 AM 80062 139060 219122
12:00 PM 92915 150130 243045
12:30 PM 106731 175418 282149
1:00 PM 110994 180124 291118
1:30 PM 115814 184311 300125
2:00 PM 118870 191666 310536
2:30 PM 140298 213994 354292
3:00 PM 143537 225391 368928

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 7/31/2015

CBOE Total Open Interest

Calls Puts Total
153868477 141993239 295861716

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CBOE Index Open Interest on 7/31/2015

Option Calls Puts Total
OEX 8686 21764 30450
SPX 2753909 4873835 7627744
NDX 43984 103392 147376
MNX 2428 1941 4369
DJX 106900 73671 180571
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
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