We are missing alot of key information here - such as starting stack sizes, table positioning, etc.
If we started the hand with 5.8m then at 400k we only have about 15bb -- which means we should never be opening to almost 3x -- and when we do - we should never be willing to fold after committing 20% of our remaining stack.
That all said if you aren't willing to call off AK here than what hands are you willing to call off with? How much higher in your range can you get??
As Fundiver said - we have to call off way worse than AK here - i would be willing to say the bottom here is probably ATo+ and A8s+ along with KQs and 55+ ‐‐ if we are not calling off that strong then we are over folding (which alot of players do) and villans can 3bet us with impunity and almost no consequences.
Easy call off here - but no need to be raising 3x this deep - 2x - 2.2x is plenty at this level - anymore than that is just unnecessary -- ESPECIALLY if we making a raise with intentions of folding to a 3bet
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