Hi,
I'm interested in the project, I will complete your existing code with all the following requirements which you have mentioned profit & loss calculator GUI order executions buttons.I have completed many similar projects to this and I have also worked with thinkorswim api.
You can check my profile to see my past project reviews
I am a Python Developer and Algorithmic Trader, I have experience in programming for more than 6 years.
I have built trading bots using stocks exchange(TdAmeritrade,Interactive brokers, Angelone, zerodha)API and crypto exchanges(binance,kucoin,huobi).
I have built trading bots with the strategy implemented and technical indicators (SMA, VWAP,bollinger band).
I also have experience converting pinescript (trading view) code to python.
I have experience with zipline, backtrader and Quantconnect.
Thanks,
Mudassar