SET50 Index Futures
SET50 Index Futures is the first product to be traded on TFEX. SET 50 Index Futures is calculated from the stock prices of the top 50 listed companies on SET in terms of large market capitalization and high liquidity. SET50 Index Futures received a No-Action Letter from the Commodity Futures Trading Commission (CFTC) of the United States, permitting residents of the United States to trade SET50 Futures listed on TFEX.

SET50 Index Options

SET50 Index Options means the buyer has the right to "buy" or "sell" SET50 Index from the seller under the conditions and price agreed in the options contract or the exercise price. The advantage of SET50 Index Options is that it helps investors to develop profit-making strategies in all market conditions and it can be combined with futures or stocks to design investment strategies, suitable for all market conditions: the market goes up, goes down or even sideways. SET50 INDEX OPTIONS was launched in TFEX on 29 October 2007.


Heading Contract Specifications
SET50 Index Futures SET50 Index Options
Underlying Asset SET50 Index which is compiled, computed and disseminated by the Stock Exchange of Thailand
Ticker Symbol S50 S50C : Call Options
S50P : Put Options
Contract Multiplier THB 200 per index point
Contract Months 3 nearest consecutive months plus the next 3 quarterly months 3 nearest consecutive months plus 1 quarterly month
Price Quotation SET50 Index price
Minimum Price Fluctuations 0.1 index point (or THB 20 per contract)
Price Limit + 30% of the latest settlement price + 30% of the previous day's SET50 Index
Exercise Style European
Strike Price Interval 25 points (at least 2 in-the-money strikes, 2 out-of-the-money strikes and 1 at-the-money strike).
Trading Hours
Pre-open: 09:15 - 09:45 hrs.
Morning Session: 09:45 - 12:30 hrs.
Pre-open: 13:45 - 14:15 hrs.
Afternoon Session: 14:15 - 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