OBX-index® Options 
Exchange contract code OBX
Contract size Contract valued at NOK 100 per index point (e.g. value NOK 39,000 at 390.00)
Unit of trading 100
Pricing unit/quotation NOK per index point
Minimum price movement (tick size and value) Central Order Book:
If the premium of an order at order entry is below or equal to NOK 0.25, the tick size is NOK 0.01 (NOK 1 per contract); if the premium of an order at order entry is between NOK 0.25 and 4.00, the tick size is NOK 0.05 (NOK 5 per contract); if the premium of an order at order entry is between NOK 4.00 and 8.00, the tick size is NOK 0.10 (NOK 10 per contract); if the premium of an order at order entry is above NOK 8.00, the tick size is NOK 0.25 (NOK 25 per contract).
Large-in-Scale Facility: NOK 0.0001 (NOK 0.01 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; 6, 9, 12 months quarterly (of the March, June, September, December cycle)
Introduction of new exercise prices and exercise price intervals See the document "Series Introduction Policy OBX-index Options" 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 Oslo
Last trading day Trading ceases at 16:20 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 until 19:45 CET on Last Trading Day only[1]
Settlement Cash Settlement based on the EDSP
Settlement day The premium settlement date is the first trading day after the Last Trading Day,provided that premium settlement is specified in the contract document. 
Exchange Delivery Settlement Price (EDSP) Price is calculated as a volume-weighted average price of automatically matched trades for the index stocks quoted on Oslo Børs on the expiration date. The
calculation shall be corrected for cancelled trades.
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 – 16:20 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 07 December 2020
   
  [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.
  In the United States this product may only be offered and sold to prescribed entities under specified conditions
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