Put/Call Ratio — February 2, 2012

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.

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Exchange Equity Index Exchange Total
  Volume P/C Ratio Market Share Volume P/C Ratio Market Share Volume Market Share
AMEX
Calls 1,109,443     12,849        
Puts 1,016,209     4,492        
Total 2,125,652 0.92 12.35% 17,341 0.35 1.81% 2,142,993 11.79%
ARCA
Calls 1,997,322     6,332        
Puts 625,057     7,861        
Total 2,622,379 0.31 15.23% 14,193 1.24 1.48% 2,636,572 14.51%
BATS
Calls 258,647     0        
Puts 201,516     0        
Total 460,163 0.78 2.67% 0 0 0.00% 460,163 2.53%
BOX
Calls 328,652     73        
Puts 228,418     52        
Total 557,070 0.70 3.24% 125 0.71 0.01% 557,195 3.07%
C2
Calls 85,826     364        
Puts 100,348     731        
Total 186,174 1.17 1.08% 1,095 2.01 0.11% 187,269 1.03%
CBOE
Calls 1,663,817     373,551        
Puts 1,284,534     493,393        
Total 2,948,351 0.77 17.13% 866,944 1.32 90.47% 3,815,295 20.99%
ISE
Calls 1,315,357     11,672        
Puts 1,259,646     15,897        
Total 2,575,003 0.96 14.96% 27,569 1.36 2.88% 2,602,572 14.32%
NSDQ
Calls 427,549     114        
Puts 347,198     148        
Total 774,747 0.81 4.50% 262 1.30 0.03% 775,009 4.26%
PHLX
Calls 3,921,612     16,292        
Puts 1,045,306     14,415        
Total 4,966,918 0.27 28.85% 30,707 0.88 3.20% 4,997,625 27.50%
OCC Totals
Calls 11,108,225     421,247     11,529,472  
Puts 6,108,232     536,989     6,645,221  
Total 17,216,457 0.55 100.00% 958,236 1.27 100.00% 18,174,693 100.00%