TradingSessionSubID (Tag = 625, Type: String)

Optional market assigned sub identifier for a trading phase within a trading session. Usage is determined by market or counterparties. Used by US based futures markets to identify exchange specific execution time bracket codes as required by US market regulations. Bilaterally agreed values of data type "String" that start with a character can be used for backward compatibility.

Any value conforming to the data type Reserved100Plus is allowed.

Valid values:

'1'	Pre-Trading
'2'	Opening or opening auction
'3'	(Continuous) Trading
'4'	Closing or closing auction
'5'	Post-Trading
'6'	Intraday Auction
'7'	Quiescent

Used in:

• <SecurityTradingRules>
• Advertisement (7)
• Execution Report (8)
• New Order - Multileg (AB)
• Multileg Order Cancel Replace Request (AC)
• Trade Capture Report Request (AD)
• Trade Capture Report (AE)
• Order Mass Status Request (AF)
• Quote Request Reject (AG)
• RFQ Request (AH)
• Quote Status Report (AI)
• Quote Response (AJ)
• Position Maintenance Request (AL)
• Position Maintenance Report (AM)
• Request For Positions (AN)
• Trade Capture Report Ack (AR)
• Allocation Report (AS)
• Collateral Request (AX)
• Collateral Assignment (AY)
• Collateral Report (BA)
• Collateral Inquiry (BB)
• Collateral Inquiry Ack (BG)
• Trading Session List Request (BI)
• Trading Session List (BJ)
• Allocation Instruction Alert (BM)
• Trading Session List Update Report (BS)
• Order Mass Action Report (BZ)
• Order Mass Action Request (CA)
• New Order - Single (D)
• New Order - List (E)
• Order Cancel/Replace Request (G)
• Allocation Instruction (J)
• Quote Request (R)
• Quote (S)
• Market Data Request (V)
• Market Data - Snapshot / Full Refresh (W)
• Market Data - Incremental Refresh (X)
• Quote Cancel (Z)
• Quote Status Request (a)
• Mass Quote Acknowledgement (b)
• Security Definition Request (c)
• Security Status Request (e)
• Security Status (f)
• Trading Session Status Request (g)
• Trading Session Status (h)
• Mass Quote (i)
• Bid Request (k)
• Bid Response (l)
• Order Mass Cancel Request (q)
• Order Mass Cancel Report (r)
• New Order - Cross (s)
• Cross Order Cancel/Replace Request (t)
• Security Type Request (v)
• Security Types (w)
• Security List Request (x)
• Derivative Security List Request (z)

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