Put/Call Ratio — March 12, 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 1,041,047     10,909        
Puts 904,997     11,905        
Total 1,946,044 0.87 13.16% 22,814 1.09 1.91% 1,968,858 12.32%
BATS
Calls 3,168     0        
Puts 2,671     0        
Total 5,839 0.84 0.04% 0 0 0.00% 5,839 0.04%
BOX
Calls 174,889     492        
Puts 146,454     715        
Total 321,343 0.84 2.17% 1,207 1.45 0.10% 322,550 2.02%
CBOE
Calls 2,057,781     402,554        
Puts 1,394,317     693,726        
Total 3,452,098 0.68 23.35% 1,096,280 1.72 91.81% 4,548,378 28.46%
ISE
Calls 1,861,917     28,480        
Puts 1,519,557     35,087        
Total 3,381,474 0.82 22.87% 63,567 1.23 5.32% 3,445,041 21.56%
NSDQ
Calls 169,084     0        
Puts 120,418     0        
Total 289,502 0.71 1.96% 0 0 0.00% 289,502 1.81%
NYSE
Calls 1,797,918     1,261        
Puts 792,914     742        
Total 2,590,832 0.44 17.52% 2,003 0.59 0.17% 2,592,835 16.23%
PHLX
Calls 1,592,309     4,447        
Puts 1,205,694     3,770        
Total 2,798,003 0.76 18.92% 8,217 0.85 0.69% 2,806,220 17.56%
OCC Totals
Calls 8,698,113     448,143     9,146,256  
Puts 6,087,022     745,945     6,832,967  
Total 14,785,135 0.70 100.00% 1,194,088 1.66 100.00% 15,979,223 100.00%