A Day order may be partially filled and the remaining outstanding order will expire after the market closes. The partially filled order will be subjected to processing and exchange-related fees.
For a GTD order, it may be partially filled multiple times over different trading days.

Partially filled GTD orders which are partially filled on different trading days will not be amalgamated where the processing and exchange-related fees would be charged on each day an execution occurs. Extra fee and charges earmarked will be released at the end of the trading day.

For example, if the entire GTD order takes 2 trading days to be entirely filled, it will be subjected to 2 times of processing and exchange-related fees.

IMPORTANT REMARKS

Trade amalgamation is not applicable to orders for US exchanges.