The following definitions may help you better understand the capital markets. F Filing statement A disclosure document submitted by a listed company to outline material changes in its affairs. Filing statements are not used for the purposes of a financing. Fill or kill (FOK) order A tradable limit order marked "FOK" will trade as much stock as possible upon entry, but will immediately cancel or kill any unfilled volume. Freeze An interruption in trading on a stock, triggered when an order violates parameters set by Market Regulation Services Inc. for that particular stock. Front month The closest month to expiration for a futures or option contract. Futures Contracts to buy or sell securities at a future date.