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        
12:00 PM        
12:30 PM        
1:00 PM        
1:30 PM        
2:00 PM        
2:30 PM        
3:00 PM        

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      
12:00 PM      
12:30 PM      
1:00 PM      
1:30 PM      
2:00 PM      
2:30 PM      
3:00 PM      

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      
12:00 PM      
12:30 PM      
1:00 PM      
1:30 PM      
2:00 PM      
2:30 PM      
3:00 PM      

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      
12:00 PM      
12:30 PM      
1:00 PM      
1:30 PM      
2:00 PM      
2:30 PM      
3:00 PM      

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      
12:00 PM      
12:30 PM      
1:00 PM      
1:30 PM      
2:00 PM      
2:30 PM      
3:00 PM      

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      
12:00 PM      
12:30 PM      
1:00 PM      
1:30 PM      
2:00 PM      
2:30 PM      
3:00 PM      

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