Prices

Members should program their systems to allow execution prices to be returned with up to four decimals.

  • Order prices below $1.00 may be priced up to four decimal places.
  • Order prices of $1.00 or more may be priced up to two decimal places.
  • Order prices for securities in any of the Tick Size Pilot Program Test Groups must be entered in $0.05 increments.

Example:

PriceNotes
0.0001 to 0.9999Accepted.
1.0010, 1.0001, 12.3456Rejected - sub-penny not allowed above one dollar (except for Retail Price Improving orders (BYX only).
1.0000, 1.00, 12.3400, 12.34, etc.Accepted - round penny (extra trailing zeroes are fine).
Cboe Titanium U.S. Equities FIX Specification - Prices | Cboe