individualized recommendation or advice. Final Thoughts With nearly 80 currency pairs to trade alongside a plethora of trading tools and research, TD Ameritrades thinkorswim platform provides US-based forex traders a winning solution. Home, reviews, tD Ameritrade FX, known for its powerful options trading platform that also offers stocks and forex trading, thinkorswim was acquired by major US brokerage house TD Ameritrade (nasdaq: amtd) in 2009 and has since continued to evolve as an innovative brand under the. While we were not able to obtain any average spreads published by TD Ameritrade, we looked at sample real-time price"s for its major forex pairs to make a general comparison from within the platform. Forex trading exposes you to risk including, but not limited to, market volatility, volume, congestion, and system or component failures which may delay account access and Forex trade executions.