Paris Listed Stock Options (European Style) 
Contract size One option normally equals rights over 10 underlying shares [1]
Unit of trading 10 at contract initiation [1]
Pricing unit/quotation Euros per share
Minimum price movement (tick size and value)

Central Order Book: € 0.01 (€ 0.10 per contract)

Large-in-Scale Facility: € 0.0001 (€ 0.001 per contract)

Option style European style
Holders of long positions are only entitled to exercise their options on the expiration date.
Expiry months 6, 12, 18, 24 months half yearly (of the June and December cycle). See the document "Expiry Months Listed Per Class" in "Related documentation" to find out which expiry months are listed per class.
Introduction of new exercise prices and exercise price intervals See the document "Series Introduction Policy for Individual Equity Option Contracts" in "Related documentation" to find the series introduction policy.
Introduction of new expiry months New expiry months are available for trading on the first business day after the expiry of a maturity.
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 17:30 CET on the third Friday of the expiry month. In the event that the third Friday is not a business day, the Last Trading Day shall normally be the last business day preceding the third Friday.
Exercise Exercise is possible until 19:45 CET on the Last Trading Day only [2]
Settlement Physical delivery of 10 shares (or other such number of shares as determined by the terms of the contract) through the settlement system of LCH S.A.
Settlement day Two business days after the exercise day.
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 Pro Rata trading algorithm. With this algorithm priority is given to orders at the best price (highest for a bid, lowest for an offer). If there are several orders at this best price, equal priority is given to every order at this price and incoming business is divided among these orders in proportion to their volume.
Last update 27 May 2021
  [1] Apart from exceptions or temporary adjustments for corporate actions. See the document "Unusual Contract sizes" in "Related documentation" to find an overview of non-standard contract size classes.
[2] 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.
  In the United States these products may only be offered and sold to prescribed entities under specified conditions.