Big Trades indicator
Bubbles where size hit the market, sorted by what kind of size it was: one large order, a run of small orders adding up, or a large resting order that got hit.
Not sold separately: every Holdout indicator and both strategies come in one plan, $39 a month. See pricing or start with the free Session Levels Lite.
What it draws
One big order or many small ones
A filled circle is one large market order, rebuilt even when it fills across several prices. A hollow circle is many smaller orders on one side that add up to big size. Bubble size scales with the order, and the biggest are labelled.
The tape box
The latest detections with time, type, side and size, in a box at the edge of the chart. Optional alerts and a CSV export.
Resting orders, battles and refills
Live, it also marks a large resting order at the best bid or ask being traded into (square), a large market order meeting a large resting order (diamond), and refills: more traded at one price than was ever shown there (dashed square).
Automatic size threshold
Low, Medium or Strong picks a high percentile of the instrument's own recent order sizes (about the top 0.5%, 0.1% and 0.03%), so it adapts to any symbol and to quiet or busy sessions. Or set a fixed size.
Full feature list
- Filled circle: one large market order, rebuilt even when it fills across several price levels
- Hollow circle: many smaller orders on one side that add up to big size
- Square: a large resting order at the best bid or ask gets traded into (live)
- Diamond: a large market order meets a large resting order (live)
- Dashed square: a refill, more traded at one price than was ever shown there (live)
- Automatic size threshold from the instrument's own order sizes (Low, Medium, Strong), or a fixed size
- History from NinjaTrader's tick data, no Tick Replay needed
- A tape box of the latest detections, optional alerts, and an optional CSV export
How it works
NinjaTrader doesn't give indicators order IDs, so orders are rebuilt from the tape: trades printed at the same moment, on the same side, moving through prices in the aggressor's direction count as one order sweeping the book. That catches large orders that single-print detectors miss.
The automatic threshold is a high percentile of recent order sizes on your instrument: about the top 0.5% on Low, 0.1% on Medium and 0.03% on Strong.
A refill is flagged when more trades into one unchanged best price than the largest size ever displayed there, at least twice as much: liquidity that keeps reloading.
Good to know
- Resting orders, battles and refills need the live order book, so they appear in real time only. History shows large orders and clusters.
- Read the bubbles as where size is committing. They are most useful at your key levels: the prior day's high and low, the value area, and the opening range.
Questions
How is this different from NinjaTrader's Trade Detector?
Which threshold should I use?
All 14 Holdout tools, one plan
Big Trades plus every other indicator and both strategies for $39 / month or $349 / year, or $599 once.