1. The pattern range broken
2. Reduced growth in an uptrend, or a greater low in a downtrend.
3. Crack below the best low in an uptrend, or above the past great in a downtrend
At factor 3 the change is verified and every person's sibling is getting brief.
A quit run often follows to re-test the transmission at factor 3.
Quicker investors may get brief on the X, or even nearer to the 2 depending on other signs (divergence, Fibonacci retracement, Bollinger group contact, etc.)