Market participants are reminded that, starting from 27 March 2023, due to the migration of the markets indicated below to the Optiq platform, the Exchange Market Size will be decommissioned. 

Please refer to the Guide to Parameters for the new management of the trading parameters that are currently linked to the Exchange Market Size.

This page reports the Market Notices issued by Borsa Italiana, as indicated in the Guide to the Parameters and referring to the value of  Exchange Market Size (EMS) calculated on a quarterly basis for shares, warrants, closed end funds and convertible bonds traded on Euronext Milan, Euronext MIV Milan, Euronext Growth Milan and BIt Eq MTF and on a yearly basis for financial instruments traded on ETFPlus market and ATFund.

This page includes the latest updates.


Latest Updates:


Notice n. 47783 dated 14 December 2022 (Effective from 19 December 2022)
"EMS(Exchange Market Size) of Equity Instruments"

Notice: VIEW PDF pdf

Annex: VIEW xlsx xlsx


Notice n. 3207 and n. 3208 dated 26 January 2023 (effective from 30 January 2023)
"EMS(Exchange Market Size) of ETFPlus and ATFund instruments"


Annex: VISUALIZZA xlsx xlsx

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