This can be read as the market's estimation of the percentage chance that the claim is going to come true. Ask shows the price that people are willing to sell coupons that the claim is going to come true, in FX-cents. Last shows the price at which the most recent trades have taken place. Book shows the current orders that you have entered on the claim. These bets are waiting for someone else to complete the transaction at the stated price.
Description Gives a short description of the claim.
A longer description of each claim is available by following the hyperlink on the claim symbol. The Claim pages display the information related to each claim. It displays the claim information, the booked orders, a graph of the price history, and has a field in which you may enter or change your orders for this claim. At FX we offer you the opportunity to keep your identity private. The use of 'nyms' at the Foresight Exchange allows you to conveniently maintain your anonymity.