| Tag | Field Name | AbbrName | Req'd | Comments | ||
|---|---|---|---|---|---|---|
| StandardHeader | Hdr | Yes | MsgType = m (lowercase) |
|||
| 66 | ListID | ListID | Yes | |||
| 422 | TotNoStrikes | TotNoStrks | Yes | Used to support fragmentation. Sum of NoStrikes across all messages with the same ListID. |
||
| 893 | LastFragment | LastFragment | Indicates whether this is the last fragment in a sequence of message fragments. Only required where message has been fragmented. | |||
| InstrmtStrkPxGrp | StrkPX | Yes | Number of strike price entries |
|||
| StandardTrailer | Trlr | Yes | ||||