TAIWAN FUTURES EXCHANGE-Trading-Trading Scheme-Orders,Matching, and Information Disclosure-Order Size Limits

Market Order:

From May 27 2019, market orders are limited to a maximum of 10 contracts per order during regular trading session and limited to a maximum of 5 contracts per order during after-hours trading session.
Limit Order and Market with Protection(MWP) Order:

Equity index futures, gold futures, FX futures and Brent Crude Oil futures are limited to a maximum of 100 contracts per order; equity index options, and gold options are limited to a maximum of 200 contracts per order; single stock futures and single stock options are limited to a maximum of 499 contracts per order.

The Order Size Limits takes effect as of May 27, 2019:

Trading session	Regular Trading session		After-hour trading session
Products Order Types	Limit Order Market with Protection Order	Market Order	Limit Order Market with Protection Order	Market Order
Single Stock Futures and Single Stock Options	499contracts	10contracts	499contracts	5contracts
Futures (except for Single Stock futures)	100contracts		100contracts
Options (except for Single Stock options)	200contracts		200contracts

To meet the demand of large positions transaction, TAIFEX introduced Block Trade facility. For more information, please refer to the following website (https://www.taifex.com.tw/enl/eng4/bTIntroduction).