Euronext Eurozone ESG Large 80 Index Mini Options
Exchange contract code MSO
Contract size Contract valued at €1 per index point (e.g. value €1,800 at 1,800)
Unit of trading 1
Pricing unit/quotation Euros per index point
Minimum price movement (tick size and value) Central Order Book: 0.5 Index Point (€0.5 per contract)

Large-in-Scale Facility: 0.1 (€0.1 per contract)

Option style European style
Holders of long positions are only entitled to exercise their options on the expiration date.
Expiry months 1, 2, 3 monthly
Introduction of new exercise prices and exercise price intervals See the document "Series Introduction Policy CAC 40 Index Options" in "Related documentation" to find the series introduction policy.
Introduction of new expiry months A new expiry week is available for trading on the Friday two weeks before its expiry date
Wholesale services Large-in-Scale Facility.
See the “LIS Thresholds” document for the minimum size thresholds.
Euronext market Paris
Last trading day Trading ceases at 16:00 CET on the last trading day of the specific weekly option class. In the event that this Friday is not a business day, the Last Trading Day shall normally be the last business day preceding this Friday.
Exercise Exercise until 19:15 CET on Last Trading Day only[1]
Settlement Cash Settlement based on the EDSP
Settlement day First business day after the Last Trading Day
Exchange Delivery Settlement Price (EDSP) Price determined on the Last Trading Day. Euronext calculates the settlement index as the arithmetic mean of all index values calculated and disseminated between 15:40 and 16:00 CET, rounded to two decimal places. Such settlement index is taken, and rounded to one decimal place, to produce the closing settlement price[2]
Option premium Payable in full by the buyer on the business day following a transaction.
Clearing organization LCH S.A. 
Trading hours Central Order Book: 09:01 – 17:30 CET
Large-in-Scale Facility: 07:15 – 18:30 CET
Trading platform Optiq
Algorithm Central order book applies a price-time trading algorithm with priority given to the first order at the best price.
Last update 7 December 2021

[1] On the Last Trading Day, in-the-money options are automatically exercised, unless contrary instructions are received from the client/member. Please check the exact exercise rules with your broker.

[2] Please refer to Paris Notice No. 2012–11 issued on 26 July 2012 which provides details of the procedures to be followed when determining the closing settlement price in case of special market circumstances.