In plain language — A breakout occurs when price crosses a chosen boundary, such as the edge of a range. The crossing is an event; continuation in the same direction is only one possible outcome.
Breakout needs a boundary: resistance, support, trend line, prior high, or calculated threshold. It also needs a crossing rule. One tick beyond the boundary, a bar close, and two consecutive closes are different events.
Define the event
State timeframe, boundary, tolerance, and confirmation condition before observation. “A breakout above 100” might mean an intrabar high above 100, a close above 100, or persistence for a set interval. Without the specification, different outcomes share the same label.
The failure window matters too. Re-entry after one bar, one session, or one week may lead to different classifications for different horizons.
From signal to execution
Recognising a break does not mean receiving the boundary price. Stop and market orders can suffer slippage, especially through gaps or acceleration. A limit order may not fill. Costs and liquidity are part of the result.
Example — Resistance is 50 and the rule requires an hourly close above 50.20. A high at 50.35 closing at 49.95 is not a breakout for this procedure; a close at 50.28 is, without guaranteeing the next bar.
Confirmation and failed breaks
Volume, bar range, persistence, and retest may be filters. None is universal: volume depends on market and source, retests may never occur, and a close beyond a level may still reverse.
A failed breakout also needs a precise failure rule. It does not by itself prove manipulation, stop hunting, or participant intent.
Advanced: evaluate the break
An event study can measure returns after N bars, maximum favourable and adverse excursion, and re-entry frequency. Thresholds should be fixed before evaluation and compared with a coherent baseline.
Range boundaries and pivots must be knowable at signal time. Include spread, commissions, slippage, and order rules; otherwise the test evaluates a chart drawing rather than an executable process.
Sources
- CME Group Education, Trend and Continuation Patterns, consolidations, breakouts, and fallible patterns.
- CME Group Education, Support and Resistance, level crossings and possible role reversal.
Related entries
Bronze path — Continue with Pullback or return to the complete path.