OBX-index® Options 
Exchange contract codeOBX
Contract sizeContract valued at NOK 100 per index point (e.g. value NOK 39,000 at 390.00)
Unit of trading100
Pricing unit/quotationNOK 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 styleEuropean style
Holders of long positions are only entitled to exercise their options on the expiration date.
Expiry months1, 2, 3 monthly; 6, 9, 12 months quarterly (of the March, June, September, December cycle)
Introduction of new exercise prices and exercise price intervalsSee the document "Series Introduction Policy OBX-index Options" 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 marketOslo
Last trading dayTrading 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.
ExerciseExercise until 19:45 CET on Last Trading Day only[1]
SettlementCash Settlement based on the EDSP
Settlement dayThe 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 Euronext Oslo Børs on the expiration date. The calculation shall be corrected for cancelled trades.
Option premiumPayable in full by the buyer on the business day following a transaction.
Clearing organizationEuronext Clearing
Trading hoursCentral Order Book: 09:01 – 16:20 CET
Large-in-Scale Facility: 07:15 – 18:30 CET
Trading platformOptiq
AlgorithmCentral order book applies a price-time trading algorithm with priority given to the first order at the best price. 
Last update9 SEP 2024
  
 [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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