Order Type Usage Summary

All Cboe order types are described in our Exchanges Rules. Data from the EDGA and EDGX Equities Exchanges are included beginning with the February 2015 reports, available in March 2015.

% of Order Count

ISO Non-ISO Total Routable1
IOC (includes Market Orders) 2.90% 16.92% 19.81% 0.89%
Displayed 0.84% 68.28% 69.11% 2.53%
Displayed - Post Only 0.74% 7.00% 7.74% -
Non-Displayed (includes Pegs) 0.00% 1.24% 1.24% 0.10%
Non-Displayed (includes Pegs) - Post Only 0.00% 2.09% 2.09% -
Total 4.47% 95.53% 100.00% 3.52%

% of Executed Orders

ISO Non-ISO Total Routable1
IOC (includes Market Orders) 0.67% 15.90% 16.57% 0.34%
Displayed 0.12% 82.40% 82.52% 1.04%
Displayed - Post Only 0.20% 0.44% 0.64% -
Non-Displayed (includes Pegs) 0.00% 0.09% 0.09% 0.01%
Non-Displayed (includes Pegs) - Post Only 0.00% 0.18% 0.18% -
Total 0.99% 99.01% 100.00% 1.39%

  1. subset of total