Put/Call Ratio — September 1, 2010

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 850,941     8,402        
Puts 736,326     5,362        
Total 1,587,267 0.87 12.76% 13,764 0.64 0.97% 1,601,031 11.55%
ARCA
Calls 861,343     175        
Puts 785,478     110        
Total 1,646,821 0.91 13.24% 285 0.63 0.02% 1,647,106 11.88%
BATS
Calls 43,411     0        
Puts 32,818     0        
Total 76,229 0.76 0.61% 0 0 0.00% 76,229 0.55%
BOX
Calls 269,535     156        
Puts 155,771     413        
Total 425,306 0.58 3.42% 569 2.65 0.04% 425,875 3.07%
CBOE
Calls 1,698,873     589,258        
Puts 1,105,220     761,734        
Total 2,804,093 0.65 22.55% 1,350,992 1.29 94.74% 4,155,085 29.98%
ISE
Calls 1,422,018     23,816        
Puts 1,207,545     18,321        
Total 2,629,563 0.85 21.15% 42,137 0.77 2.95% 2,671,700 19.28%
NSDQ
Calls 454,739     181        
Puts 278,348     193        
Total 733,087 0.61 5.90% 374 1.07 0.03% 733,461 5.29%
PHLX
Calls 1,594,559     5,969        
Puts 937,939     11,898        
Total 2,532,498 0.59 20.37% 17,867 1.99 1.25% 2,550,365 18.40%
OCC Totals
Calls 7,195,419     627,957     7,823,376  
Puts 5,239,445     798,031     6,037,476  
Total 12,434,864 0.73 100.00% 1,425,988 1.27 100.00% 13,860,852 100.00%