Is overshoving spewy?

[Fortitude]

With anywhere from 5-9 players remaining, when I have 12-15 BB, I shove
EP: AQ+ JJ+
MP: AQ+ JJ+
HJ: AQ+ TT+
CO: AJ+ 99+
BTN: ATs+ 77+
SB: A2+ 44+ KQs+
*assuming I am folded to, or perhaps the presence of one loose passive limper

Am I losing value by doing this? I feel as if I made a normal 2.5-3BB PFR, and put in a cbet on a missed flop that gets called/raised, I am losing a huge chunk of my stack. Therefore I just overshove it to avoid that. Is this a leak?

[Raoni_Poker]

With 12-15BB you have room to make a standard raise IMO. You will lose a chunk of your stack when opponents call and the flop is good for them (and not good for you). They will fold sometimes, which means you will get the blinds. Your hand will hit the flop eventually and, even if it misses the flop, they will fold to a c-bet many times.

To do a standard raise, these ranges should be adjusted. You might be raising more than these ranges suggested by you from late position because even if you're called, you have position.

If you are under 10BB, prepare to push/fold mode. In this case, you should be much looser from the SB (when folded to you), but your ranges should be adjusted to your opponents (and how many of them talk after you).

[taipan168]

Pretty much what Raoni said. Particularly with 15x BB you have scope to make a standard 2.5x BB raise and c-bet a missed flop and not be pot committed. With 15x BB, from EP I would be standard raising hands like 77 and AJ. With 12x BB I definitely wouldn't be shoving monster hands like QQ+ although I would shove weaker hands like AK and 88.

I also agree that you can open raise MUCH wider on the button and in the SB (particularly in the SB) when it's folded to you depending on how loose/tight the blinds are.