as others have hinted at, the datafeed makes all the diff in tick bars. for ex, compare a kinetick (rebranded iqfeed) 233 tick chart and a ib tick chart and you'll clearly see a diff b/c ib samples the data.
i switched to tick/volume charts years ago b/c i realized i was missing all of the price movement in 1 time bar - this is esp noticeable during major econ events.
i switched to tick/volume charts years ago b/c i realized i was missing all of the price movement in 1 time bar - this is esp noticeable during major econ events.