Stop run
Trader's Glossary · Order flow

Definition. A price move through an obvious level, such as an important high or low, beyond which many protective stops are likely to be sitting. Their triggering briefly accelerates the move.
How it works
Stop orders turn into market orders once a level is crossed. When many trigger at once, a wave of aggressive orders hits in one direction. Once it's exhausted, price sometimes snaps back quickly.
Example
Price briefly breaks the previous day's low, volume spikes, and then price returns to the earlier range.
What to watch out for
Not every break of a level is a “hunt”. The move may be the start of a real breakout. Acceptance or rejection of the new prices decides it.

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See also
Stop order, Acceptance and rejection, Sweep.
More in Hetman Capital Club
You'll find the full explanation with graphics, examples and exercises in the 📖 Order flow encyclopedia space, and its use in the live market in the 🔴 Live Room. Both are available to Club members (in Polish).
Educational content, not investment advice.