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Killzone
A defined window of session time — like 9:30–11:00am ET — where a strategy's setups are statistically strongest.
What it is
Killzones are time-of-day windows around major session opens when institutional order flow concentrates: London open, New York open, and the NY afternoon. Traders restrict their setups to these windows to trade only when the market has real intent.
Why it matters
Most intraday edges are time-conditional. Limiting execution to a killzone is a free filter: same entries, fewer fakeouts, less screen fatigue.
NQ example REAL SCENARIO
The NY AM killzone (9:30–11:00am ET) contains the sweep-and-reverse of the overnight range more often than any other 90-minute window in the CME day.