ATs SB on Q86r: Fold to the Cold 4-Bet

Hero

A♣T♣

Position

SB vs BB

Pot

All-In Preflop

Flop

8♣ 6♦ Q♥

While ATs is a mandatory 3-bet from the SB, it cannot profitably call a cold 4-bet jam from the Big Blind at this stack depth.