Volume is the one number under every candle, and it says more than most traders read from it. This is a short, interactive walk-through: how volume is built, what it means when it spikes or dries up, and how Flow.42 turns it into readable context on your chart.

It runs as a self-contained presentation and opens in its own window, so you keep the Knowledge Base where it is.

Best viewed on a wider screen. It works inside the NinjaTrader Help Center too.

Tip: drag the edge of this window to make it larger. The guide reads best on a wide view.