sig
type t =
[ `Tick_option of Std_internal.Tick_option.t
| `Tick_price of Std_internal.Tick_price.t
| `Tick_size of Std_internal.Tick_size.t
| `Tick_string of Std_internal.Tick_string.t ]
val ( = ) : t -> t -> bool
val pp : Format.formatter -> Tws.Market_data.t -> unit
val t_of_sexp : Sexplib.Sexp.t -> Tws.Market_data.t
val __t_of_sexp__ : Sexplib.Sexp.t -> Tws.Market_data.t
val sexp_of_t : Tws.Market_data.t -> Sexplib.Sexp.t
end