Patent ID: 8301542

Claim:
A method for repricing a posted limit order on a posting market center in view of a block trade executed on an away market center at an inferior price, the method comprising: posting a limit order on the posting market center with an identifier to reprice the limit order when an away market block trade executes at an inferior price to the limit order on the posting market center; receiving data by a computing system regarding a trade executed (a) on an away market center (b) after posting the limit order on the posting market center; determining by the computing system whether the away market center trade was a block trade; wherein when the away market center trade is a block trade, determining by the computing system whether the block trade executed at an inferior price to the limit order posted on the posting market center; and wherein when the block trade executed at an inferior price to the limit order posted on the posting market center, repricing by the computing system the limit order on the posting market center to the price of the block trade.