On average, for a cost conscious shooter > CCI Standard Velocity (SV) LR from Dicks (currently $30 a 10 50-ct box 500 round brick).
For high speed, CCI is usually pretty good, but won't be as good on average as the SV stuff.
Wolf Match Target and SK+ is always good an usually a step up.
Of course you can buy the really expensive stuff.
My advice, buy some of each if you are really interested and shoot at targets at 50 yds and record your results so you don't forget.
It depends on the kind of accuracy you seek... smallest groups possible for that rifle or minute of squirrel.
Generally speaking, standard velocity 22LR will shoot better than High Velocity on average.