Bar Construction · synthetic teaching data

Tick-Run Bars guided lab

Choose a scenario, then step through signed trades. Watch the larger cumulative side count—not net imbalance or the longest consecutive streak—meet a threshold frozen at the open bar’s start.

Tick-Run Bar price context and cumulative side countsThe top panel shows synthetic trade prices used to assign signs. The bottom panel shows open-bar positive and negative cumulative counts against the frozen threshold, with bar closes and session resets.
N⁺ cumulative countN⁻ cumulative countfrozen thresholdprice context

Audit trace

This labeled table scrolls locally on narrow screens; the page itself does not.

TradeSessionPriceSign reasonbN⁺N⁻StreakFrozen hResult

Keyboard: Right Arrow steps, Left Arrow goes back, Space plays or pauses, and R resets. Reduced-motion preference makes Play advance one deterministic step.