Put/Call Ratio — October 20, 2017

Each report is available in HTML format only. Put/Call Ratio data is available for up to two (2) years. Archived data can be found in the Historical Volume Query.

Exchange Equity Index Debt Exchange Total
  Volume P/C Ratio Market Share Volume P/C Ratio Market Share Volume P/C Ratio Market Share Volume Market Share
AMEX
Calls 776,286     29     0        
Puts 757,048     15     0        
Total 1,533,334 0.98 7.30% 44 0.52 0.00% 0 0.00 0.00% 1,533,378 6.55%
ARCA
Calls 1,061,323     23     0        
Puts 954,734     47     0        
Total 2,016,057 0.90 9.60% 70 2.04 0.00% 0 0.00 0.00% 2,016,127 8.61%
BATS
Calls 1,233,124     0     0        
Puts 849,086     0     0        
Total 2,082,210 0.69 9.91% 0 0.00 0.00% 0 0.00 0.00% 2,082,210 8.89%
BOX
Calls 318,006     0     0        
Puts 176,429     0     0        
Total 494,435 0.55 2.35% 0 0.00 0.00% 0 0.00 0.00% 494,435 2.11%
C2
Calls 364,274     2,324     0        
Puts 451,803     6,970     0        
Total 816,077 1.24 3.88% 9,294 3.00 0.38% 0 0.00 0.00% 825,371 3.52%
CBOE
Calls 2,324,352     1,163,289     0        
Puts 1,646,926     1,217,579     0        
Total 3,971,278 0.71 18.91% 2,380,868 1.05 98.46% 0 0.00 0.00% 6,352,146 27.12%
EDGX
Calls 170,735     0     0        
Puts 120,678     0     0        
Total 291,413 0.71 1.39% 0 0.00 0.00% 0 0.00 0.00% 291,413 1.24%
GEM
Calls 573,854     338     0        
Puts 413,415     374     0        
Total 987,269 0.72 4.70% 712 1.11 0.03% 0 0.00 0.00% 987,981 4.22%
ISE
Calls 1,189,918     1,017     0        
Puts 916,026     3,548     0        
Total 2,105,944 0.77 10.03% 4,565 3.49 0.19% 0 0.00 0.00% 2,110,509 9.01%
MCRY
Calls 21,612     0     0        
Puts 11,874     0     0        
Total 33,486 0.55 0.16% 0 0.00 0.00% 0 0.00 0.00% 33,486 0.14%
MIAX
Calls 555,841     0     0        
Puts 367,844     0     0        
Total 923,685 0.66 4.40% 0 0.00 0.00% 0 0.00 0.00% 923,685 3.94%
MPRL
Calls 187,557     0     0        
Puts 164,864     0     0        
Total 352,421 0.88 1.68% 0 0.00 0.00% 0 0.00 0.00% 352,421 1.50%
NOBO
Calls 87,820     0     0        
Puts 74,494     0     0        
Total 162,314 0.85 0.77% 0 0.00 0.00% 0 0.00 0.00% 162,314 0.69%
NSDQ
Calls 1,030,864     0     0        
Puts 626,309     0     0        
Total 1,657,173 0.61 7.89% 0 0.00 0.00% 0 0.00 0.00% 1,657,173 7.07%
PHLX
Calls 1,836,264     3,239     0        
Puts 1,743,119     19,247     0        
Total 3,579,383 0.95 17.04% 22,486 5.94 0.93% 0 0.00 0.00% 3,601,869 15.38%
OCC Totals
Calls 11,731,830     1,170,259     0     12,902,089  
Puts 9,274,649     1,247,780     0     10,522,429  
Total 21,006,479 0.79 100.00% 2,418,039 1.07 100.00% 0 0.00 0.00% 23,424,518 100.00%