TD Ameritrade is an online broker. TD Ameritrade lets clients buy and sell equities including stocks, bonds, options and mutual funds. TD Ameritrade connections are particularly strict with NinjaScript strategies, especially with Native OCO enabled on the connection. TDA is also strict on the order in which they receive orders of different Order Actions. I.E. receiving a Buy before a Buy To Cover is received will result in a rejection.Apr 28, 2017 · TD Ameritrade has long received praise from investors who prefer an active trading approach for their innovative online trading platforms.In 2016, they launched a robo-advisor to give customers who…