BarBigTrade is an order-flow visualization indicator for NinjaTrader 8 charts.
It highlights two types of important activity directly on the price chart:

• Single print big trades
• Sweep events

Its purpose is not to replace a footprint chart. Instead, it extracts the most
important trade events from dense tick activity, so you can still spot key
locations quickly when the chart is zoomed out or when your attention is focused
on overall price structure.

Current core features:

Detection Layer
• Single Print Big Trade: with sweep detection off, a qualifying print is marked
immediately; with sweep detection on, it first enters a sweep candidate and
falls back to a circle only if the candidate does not become a valid sweep
• Sweep Event: consecutive same-direction prints within a short time window and
with continuing price progression are aggregated into one event

Display Layer
• Single prints are shown as circles
• Sweep events are shown as rectangular ranges
• Buy and sell activity uses different colors
• Circle opacity and sweep rectangle opacity can be configured separately

Historical Playback
• Historical detection depends on Tick Replay
• Without Tick Replay, historical big trades and sweep events will not be
reconstructed accurately​