A big green bar prints, price is already 6 pips off the low, and a buy order goes in anyway. The entry fills near the top, price pulls back, and the stop hits. It feels like bad luck, but it is a reaction bias, not randomness.
The pull to chase comes from fear of missing out, strengthened by how vivid a running move looks. The brain treats the visible momentum as a promise.
The fix is not willpower in the moment but rules written beforehand. A maximum distance from the signal, for example, so that an entry is skipped when price has already moved more than a set amount. Another is requiring a pullback before any entry after a large bar.
Also useful is tallying missed trades. Most traders find the missed moves are fewer than imagined, and many would have stopped out anyway.
A skipped trade costs nothing. A chased trade costs the spread, the slippage, and the stop.
What rule keeps entries from happening after the move is already done?