Paris Listed Stock Options (American Style) 
Contract sizeOne option normally equals rights over 10 underlying shares [1]
Unit of trading10 at contract initiation [1]
Pricing unit/quotationEuros 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 styleAmerican style
Holders of long positions are entitled to exercise their options before the expiration date.
Expiry monthsWeekly; 1, 2, 3 monthly; 6, 9, 12 months quarterly (of the March, June, September, December cycle); 18, 24, 30, 36 months half yearly (of the June, December cycle) and 48, 60 months yearly (of the 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 intervalsSee the document "Series Introduction Policy for Individual Equity Option Contracts" in "Related documentation" to find the series introduction policy.
Introduction of new expiry monthsNew expiry months are available for trading on the first business day after the expiry of a maturity.
Wholesale servicesLarge-in-Scale Facility. 
See the “LIS Thresholds” document for the minimum size thresholds.
Euronext marketParis
Last trading dayTrading ceases 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.
ExerciseExercise is possible until 19:45 CET/CEST on the Last Trading Day only [2]
SettlementPhysical delivery of 10 shares (or other such number of shares as determined by the terms of the contract) through the settlement system of Euronext Clearing
Settlement dayTwo business days after the exercise day.
Option premiumPayable in full by the buyer on the business day following a transaction.
Clearing organizationEuronext Clearing 
Trading hoursCentral Order Book: 09:01 – 17:30 CET/CEST
Large-in-Scale Facility: 07:30 – 18:30 CET/CEST
Trading platformOptiq
AlgorithmCentral 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 update30 October 2024
  
 [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.