What is the MIC of Muscat Stock Exchange - Book Building?

MSXB, a segment MIC under the operating MIC XMUS (ISO 10383).

Is MSXB an operating or a segment MIC?

A segment MIC. It belongs to the operating MIC XMUS (Muscat Stock Exchange).

How is MSXB written in a settlement instruction?

As the place of trade, for example :94B::TRAD//EXCH/MSXB in an MT541 or MT543, and as the market identifier code in ISO 20022 messages such as sese.023. In FIX it goes in tags such as 207 SecurityExchange or 30 LastMkt.

ISO 10383 Market Identifier Code

MSXB: Muscat Stock Exchange - Book Building

Written and maintained by ZagTrader. Last reviewed 21 October 2026. How this page is sourced and checked

MSXB is the segment MIC of Muscat Stock Exchange - Book Building, Muscat, Oman. It is a segment of XMUS (Muscat Stock Exchange). The code is active in the October 2026 release.

Details

MIC	MSXB
Type	Segment MIC
Operating MIC	XMUS
Market name (as published)	MUSCAT STOCK EXCHANGE - BOOK BUILDING
Legal entity	UNITED SECURITIES
LEI	549300Z0H15P7ZLU2G11
Market category	OTFS: Organised Trading Facility
Acronym	MSM
Country	Oman (OM)
City	MUSCAT
Website	WWW.MSX.OM
Status	Active
Created	27 March 2023
Last updated	24 April 2023
Last validated	24 April 2023

Other segments of XMUS

MIC	Segment	Category	Status
MSXO	MUSCAT STOCK EXCHANGE – NON-LISTED INSTRUMENTS	OTFS Organised Trading Facility	Active

Using MSXB in messages

Standard	Where	Example
Swift MT	Place of trade (field 94B, qualifier TRAD) in the MT541 and MT543 settlement instructions and their confirmations	`:94B::TRAD//EXCH/MSXB`
ISO 20022	The market identifier code of the place of trade, for example in a sese.023	`<MktIdrCd>MSXB</MktIdrCd>`
FIX	207 SecurityExchange, 30 LastMkt, 100 ExDestination	`30=MSXB`

Questions

What is the MIC of Muscat Stock Exchange - Book Building?: MSXB, a segment MIC under the operating MIC XMUS (ISO 10383).
Is MSXB an operating or a segment MIC?: A segment MIC. It belongs to the operating MIC XMUS (Muscat Stock Exchange).
How is MSXB written in a settlement instruction?: As the place of trade, for example :94B::TRAD//EXCH/MSXB in an MT541 or MT543, and as the market identifier code in ISO 20022 messages such as sese.023. In FIX it goes in tags such as 207 SecurityExchange or 30 LastMkt.

MIC codes of the markets we connect to · Official ISO 10383 list · Currency codes · ISIN checker

Source: ISO 10383 Market Identifier Codes, October 2026 release (effective 26 October 2026), published by the ISO 10383 registration authority at iso20022.org. Check the current file before relying on a MIC. ZagTrader is not affiliated with ISO or the registration authority.