CBOE Intra-Day Volume

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Half Hourly Exchange Volume Report For 4/17/2015

Total

Time Calls Puts Total P/C Ratio
9:00 AM 413779 372385 786164 0.90
9:30 AM 668979 680642 1349621 1.02
10:00 AM 879540 918024 1797564 1.04
10:30 AM 1070717 1116533 2187250 1.04
11:00 AM 1283825 1289974 2573799 1.00
11:30 AM 1428780 1470275 2899055 1.03
12:00 PM 1540176 1697439 3237615 1.10
12:30 PM 1642445 1845540 3487985 1.12
1:00 PM 1789299 2040085 3829384 1.14
1:30 PM 2011549 2271974 4283523 1.13
2:00 PM 2153216 2414408 4567624 1.12
2:30 PM 2304637 2586642 4891279 1.12
3:00 PM 2550218 2866625 5416843 1.12

Index Options

Time Calls Puts Total
9:00 AM 101711 86538 188249
9:30 AM 181960 182840 364800
10:00 AM 219715 278991 498706
10:30 AM 285684 348086 633770
11:00 AM 383173 429989 813162
11:30 AM 408269 511899 920168
12:00 PM 434446 625783 1060229
12:30 PM 454895 694489 1149384
1:00 PM 490402 768617 1259019
1:30 PM 564316 855378 1419694
2:00 PM 601914 895786 1497700
2:30 PM 636092 936279 1572371
3:00 PM 689059 1001886 1690945

Equity Options

Time Calls Puts Total
9:00 AM 312068 285847 597915
9:30 AM 487019 497802 984821
10:00 AM 659825 639033 1298858
10:30 AM 785033 768447 1553480
11:00 AM 900652 859985 1760637
11:30 AM 1020511 958376 1978887
12:00 PM 1105730 1071656 2177386
12:30 PM 1187550 1151051 2338601
1:00 PM 1298897 1271468 2570365
1:30 PM 1447233 1416596 2863829
2:00 PM 1551302 1518622 3069924
2:30 PM 1668545 1650363 3318908
3:00 PM 1861159 1864739 3725898

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 4/17/2015

DOW Industrials

Time Calls Puts Total
9:00 AM 394 377 771
9:30 AM 808 584 1392
10:00 AM 859 630 1489
10:30 AM 889 701 1590
11:00 AM 890 703 1593
11:30 AM 897 710 1607
12:00 PM 1027 750 1777
12:30 PM 1030 857 1887
1:00 PM 1155 1154 2309
1:30 PM 1205 1188 2393
2:00 PM 1823 2775 4598
2:30 PM 1954 2807 4761
3:00 PM 2001 2815 4816

S&P 100

Time Calls Puts Total
9:00 AM 517 961 1478
9:30 AM 887 1310 2197
10:00 AM 1003 1594 2597
10:30 AM 1081 1726 2807
11:00 AM 1477 1885 3362
11:30 AM 1531 2340 3871
12:00 PM 1597 2432 4029
12:30 PM 1636 2485 4121
1:00 PM 1861 2942 4803
1:30 PM 2118 3848 5966
2:00 PM 2312 3954 6266
2:30 PM 2766 4285 7051
3:00 PM 2943 4547 7490

S&P 500

Time Calls Puts Total
9:00 AM 10593 22535 33128
9:30 AM 21280 50026 71306
10:00 AM 29116 73620 102736
10:30 AM 58018 105064 163082
11:00 AM 87666 145467 233133
11:30 AM 96967 160638 257605
12:00 PM 104574 253433 358007
12:30 PM 114732 298185 412917
1:00 PM 122988 319347 442335
1:30 PM 136042 350652 486694
2:00 PM 148227 364789 513016
2:30 PM 157562 375082 532644
3:00 PM 170078 387875 557953

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 4/16/2015

CBOE Total Open Interest

Calls Puts Total
141444606 137709432 279154038

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CBOE Index Open Interest on 4/16/2015

Option Calls Puts Total
OEX 11083 20515 31598
SPX 2793699 6075145 8868844
NDX 44535 71857 116392
MNX 2550 3588 6138
DJX 96150 66758 162908
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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