Patent ID: 7996300

Claim:
A system for regulating order entry based on an acceptable slop range in an electronic trading environment including: a trading station adapted to receive a percentage value that determines an acceptable range of prices at which a trader is willing to accept to buy or sell a spread, wherein the spread comprises a first leg and a second leg, and wherein the percentage value provides that an actual cost of a particular spread, when executed, is within a consistent tolerable difference from a desired cost of the spread, regardless of a desired spread price, the trading station adapted to receive the desired price to buy or sell the spread, wherein the desired spread price is associated with the desired cost of the spread, the trading station adapted to place an order at a price in a first leg of the spread, wherein the order is based on a condition in the second leg, the trading station adapted to detect a change in the condition, the trading station adapted to determine if the change in the condition would cause the spread to be bought or sold at a price outside of the acceptable range of prices and if so re-pricing the order in the first leg to maintain the desired spread price, and the trading station adapted to determine if the change in the condition would not cause the spread to be bought or sold at a price outside of the acceptable range of prices and if not then refraining from re-pricing the order.