module Exchange: sig .. end
type [ `AEB
| `ALPHA
| `AMEX
| `ARCA
| `ARCAEDGE
| `ASX
| `BATECH
| `BATEDE
| `BATEEN
| `BATEUK
| `BATS
| `BEX
| `BM
| `BOX
| `BTRADE
| `BVME
| `BYX
| `CBOE
| `CBOE2
| `CBSX
| `CDE
| `CFE
| `CHIXCH
| `CHIXDE
| `CHIXEN
| `CHIXJ
| `CHIXUK
| `CHX
| `CME
| `CSFBALGO
| `DRCTEDGE
| `DTB
| `ECBOT
| `EDGEA
| `ELX
| `FTA
| `FWB
| `GEMINI
| `GLOBEX
| `HKFE
| `HKMEX
| `IBCFD
| `IBIS
| `IBSX
| `ICEUS
| `IDEAL
| `IDEALPRO
| `IDEM
| `IEX
| `ISE
| `ISLAND
| `JEFFALGO
| `KSE
| `LAVA
| `LIFFE
| `LSE
| `MATIF
| `MEFF
| `MEXDER
| `MEXI
| `MIAX
| `MIBSX
| `MONEP
| `NASDAQ
| `NASDAQBX
| `NASDAQOM
| `NFX
| `NSX
| `NYBOT
| `NYMEX
| `NYSE
| `OMEGA
| `OMS
| `ONE
| `PHLX
| `PINK
| `PSE
| `PSX
| `PURE
| `SBF
| `SBVM
| `SEHK
| `SELECT
| `SFB
| `SGX
| `SMART
| `SNFE
| `SOFFEX
| `SWB
| `SWX
| `TGATE
| `TPLUS2
| `TRADEGATE
| `TRQXCH
| `TRQXDE
| `TRQXEN
| `TSE
| `TSEJ
| `VENTURE
| `VIRTX
| `VSE
| `VWAP ]
include Stringable.S
include Twsable.S
val t_of_sexp : Sexplib.Sexp.t -> t
val __t_of_sexp__ : Sexplib.Sexp.t -> t
val sexp_of_t : t -> Sexplib.Sexp.t