Quote Cancel StandardHeader Standard Header Y MsgType = Z 131 QuoteReqID QuoteReqID N Required when quote is in response to a Quote Request message 117 QuoteID QuoteID Y 298 QuoteCancelType QuoteCancelType Y Identifies the type of Quote Cancel request. 301 QuoteResponseLevel QuoteResponseLevel N Level of Response requested from receiver of quote messages. 336 TradingSessionID TradingSessionID N 146 NoQuoteEntries NoQuoteEntries Y The number of securities whose quotes are to be canceled 55 Symbol Symbol Y Must be the first field in the repeating group. 65 SymbolSfx SymbolSfx N Can be repeated multiple times if message is related to multiple symbols. 48 SecurityID SecurityID N Can be repeated multiple times if message is related to multiple symbols. 22 IDSource IDSource N Can be repeated multiple times if message is related to multiple symbols. 167 SecurityType SecurityType N Must be specified if a Future or Option. If a Future: RelatedSym, SecurityType, and MaturityMonthYear are required. If an Option: RelatedSym, SecurityType, MaturityMonthYear, PutOrCall, and StrikePrice are required. 200 MaturityMonthYear MaturityMonthYear N For Options or Futures to specify the month and year of maturity. 205 MaturityDay MaturityDay N For Options or Futures and can be used in conjunction with MaturityMonthYear to specify a particular maturity date. 201 PutOrCall PutOrCall N For Options. 202 StrikePrice StrikePrice N For Options. 206 OptAttribute OptAttribute N For Options. 231 ContractMultiplier ContractMultiplier N For Fixed Income, Convertible Bonds, Derivatives, etc. Note: If used, quantities should be expressed in the "nominal" (e.g. contracts vs. shares) amount. 223 CouponRate CouponRate N For Fixed Income. 207 SecurityExchange SecurityExchange N Can be used to identify the security. 106 Issuer Issuer N Can be repeated multiple times if message is related to multiple symbols. 354 EncodedIssuerLen EncodedIssuerLen N Must be set if EncodedIssuer field is specified and must immediately precede it. 355 EncodedIssuer EncodedIssuer N Encoded (non-ASCII characters) representation of the Issuer field in the encoded format specified via the MessageEncoding field. 107 SecurityDesc SecurityDesc N Can be repeated multiple times if message is related to multiple symbols. 350 EncodedSecurityDescLen EncodedSecurityDescLen N Must be set if EncodedSecurityDesc field is specified and must immediately precede it. 351 EncodedSecurityDesc EncodedSecurityDesc N Encoded (non-ASCII characters) representation of the SecurityDesc field in the encoded format specified via the MessageEncoding field. 311 UnderlyingSymbol UnderlyingSymbol N The symbol of the underlying security of options that should be canceled. StandardTrailer Standard Trailer Y