Live feeds are now part of the XL Feeds app! More information at https://www.xlfeeds.com
Video on how to use Deriscope's Real Time Trading Simulator Excel spreadsheet to place simulated market orders to buy and sell US stocks and ETFs traded on IEX (Investors Exchange).
Note currently only the FX simulator works as described at • Real Time Trading Simulator using live fx ...
The data feeds are actual last traded prices and bid/ask quotes received from IEX without time delay. This means you can base your trading decisions on real time (not simulated) market news.
The Excel spreadsheet environment allows you to create your own trading signals using spreadsheet formulas and VBA.