Realtime equity price


I am new to algo/live trading and have a naive question.
How can I get realtime equity price data down to the resolution of seconds or smaller?
Currently it seems the only way to get equity price is by using get_bar_set() api which has a minimum resolution of 1Min. I am using python.
Any help would be appreciated.


i export data from finviz might want to look into that

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I wonder if calling polygon.last_trade() will start a stream on second _bars channel.

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