sTicket - Authentication string returned by AuthService.asmx.
tradeStatus - 0 (Any) | 1 (Open) | 2 (Closed).
tradeSecurity - Trade security description.
tradeSecurityType - 0 (Any) | 1 (TBA) | 2 (Call) | 3 (Put).
tradeContractType - 0 (Any) | 1 (Buy) | 2 (Sell).
tradeSettlementMonth - 0 (Any) | 1 (Jan) | 2 (Feb) | ... | 12 (Dec).
tradeCoupon - The coupon rate of the trade.
tradeNum - The trade number. Leave blank to match all numbers.
Search for Trades that meet the criteria and return a list of trade numbers.