SET50 Index Options

SET50 Index Options

A futures contract based on the SET50 Index, which is comprised of the top 50 stocks selected by market capitalization, liquidity, and the specified proportion of minor shareholders (free float).

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Collect Premium by Selling Options.

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Contract Specification

Heading
Contract Specifications
Underlying Asset SET50 Index which is compiled, computed and disseminated by the Stock Exchange of Thailand
Ticker Symbol
S50C : Call Options S50P : Put Options
Contract Multiplier THB 200 per index point
Contract Months 3 nearest consecutive months plus 1 quarterly month
Minimum Price Fluctuations 0.1 index point (or THB 20 per contract)
Price Limit +30% of the previous day's SET50 Index
Exercise Style European
Strike Price Interval
  1. 10 points
  2. At the start of every business day, the following Option Series are offered:
  • 1 at-the-money strike
  • at least 5 in-the-money strikes, 5 out-of-the-money strikes
Trading Hours
Pre-open Trading Hours
Morning 09:15 - 09:45 hrs. 09:45. - 12:30 hrs.
Afternoon 13:15 - 13:45 hrs. 13:45 - 16:55 hrs.
Speculative Position Limit Net 100,000 delta equivalent SET50 Index Futures contracts on one side of the market in any contract months of SET50 Index Futures and SET50 Index Options combined.
Last Trading Day The business day immediately preceding the last business day of the contract month. Time at which trading ceases on Last Trading Day is 16:30 hrs.
Final Settlement Price The final settlement price shall be the numerical value of the SET50 Index, rounded to the nearest two decimal points as determined by the exchange, and shall be the average value of the SET50 Index taken during last 15 minutes and the closing index value, after deleting the three highest and three lowest values.
Settlement Method Cash Settlement
Exchange Fee Maximum of THB 5 per contract per side
Brokerage Commission Freely negotiable
Remark The above description is a summary of the contract specification. Please refer to the procedures of listing of Derivatives Contracts for the official contract specification.