Wild swing in $SPY momentum. We went 53 straight days without a close down 0.84% or worse—then boom, we might hit two of those drops in just the last two days.

That's how fast the tape can flip. Long stretches of grind-up action followed by sudden air pockets. Classic volatility compression into expansion.

If you were riding the melt-up without stops, this is the reminder. When calm breaks, it breaks fast. Watch how price reacts at support—bounce or breakdown will set the tone for next week's trade.