ACTIV event types.
contributionBasenonetradetickbboQuotetradeCorrectiontradeCanceltradeNonRegularbboDepthrefreshorderquoteipoipoCanceldelistdelistCanceldividenddividendCanceldividendCorrectionsplitsplitCancelsplitCorrectionsymbolChangesymbolChangeCanceloptionSymbolChangeoptionSplitclosingQuoteclosingBboQuotecloseresetcompositeBboQuotenewstimeSeriesCorrectiontimeSeriesDeletepriceAdjustmentpriceAdjustmentCancelopennewsDeletepurgealertrefreshCycleforceProcessRefreshoptionRefreshstatusChangeauctionpriceIndicationcacheFlushmultipleDeletelrpPriceimpliedBboQuotetimeSeriesAdjustmentpriorDayTradepriorDayTradeCorrectionpriorDayTradeCancellatencyconflatedmonitorAlertpriceBandChangealiasPostRetargetTargetUpdatesettlementorderAddorderModifyorderExecuteorderCancelorderReplacerequestForQuoterequestForSizerequestForCross