| 摘要 |
In at least one aspect of the invention, methods and corresponding systems are provided herewith that include the step or steps of receiving at least one order to buy or sell an item, determining an internal valuation price for the item, determining that the specified price differs from the internal price by an amount, and blocking the at least one order in response to the specified price differing from the internal price by the amount. The at least one order may be specified with a price relative to an internal valuation price for the item. |
