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Thank you gentlemen. In terms of instrument creation I was planning to use MsgType<35>=c SecurityDefinitionRequest to handle participant requests for new strategies. I'm not sure about clearing information so I will look further into 'position effect (564)'. Thanks again for your helpful suggestions. Cheers. > I agree that NewOrderSingle is the right choice IF(!) you never need to > specify leg information. Such leg information not always relates to the > definition of the instrument but e.g. to clearing information. Examples > are the position effect (564) of a leg or different clearing accounts > (NestedPartyID group) to be used for each leg. These fields are part of > LegOrdGrp but outside of InstrumentLeg group. The latter is to define a > multileg instrument. > > Definitions like the side or ratio of a leg would not be in your > NewOrderXXX message but be part of your SecurityDefinition messages and > covered by the single SecurityID value. > > In the absence of SecurityDefinition messages, you would need > NewOrderMultileg as the user then has to explicitly describe the > instrument everytime he enters an order. For that he would use the > InstrumentLeg group within LegOrdGrp. > > Regards, Hanno. > > > I think my message is a bit of a mess. Paragraphs are your friend. Too > > bad there is no edit option on this fine message board ;) > > > > Let's say you are going to build a trading platform. The instruments > > will be equity calendar spreads. There will be 6 stocks and for each > > stock there will be 8 different spreads offered. > > > > Now I have 48 instruments, each of which represents a multileg > > strategy. But I'm going to return to the participants in my market > > a list of securities like this > > aapl_buy_jan200_call_sell_dec200_call, etc. > > > > So my question is, when I ask participants to place orders in my > > market, should they send a NewOrderSingle or a NewOrderMultileg? > > > > Thanks! [You can unsubscribe from this discussion group by sending a message to mailto:[email protected]] -- You received this message because you are subscribed to the Google Groups "Financial Information eXchange" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/fix-protocol?hl=en.
