1. What types of orders are supported?

Currently only limit order is supported.

2. What is the regular trading session?

Regular trading hours for the U.S. stock market, including the New York Stock Exchange (NYSE) and the Nasdaq Stock Market (Nasdaq), are 9:30 a.m. to 4 p.m. Eastern time on weekdays (except stock market holidays). On early-closure days, typically right before or right after a market holiday, regular stock trading ends at 1 p.m. ET.

3. What is the settlement period?

T+2.

4. What is minimum trading unit?

One share.