Trading_engine.InstrumentExecutable instrument metadata supplied by an approved catalog.
type t = private {id : Id.Instrument.t;symbol : string;quote_currency : string;tick_size : Scalar.Price.t;lot_size : Scalar.Quantity.t;}val create :
id:Id.Instrument.t ->
symbol:string ->
quote_currency:string ->
tick_size:Scalar.Price.t ->
lot_size:Scalar.Quantity.t ->
(t, string) Stdlib.resultval pp : Stdlib.Format.formatter -> t -> unit