No, Trump is underperforming the polling repeatedly, and badly.
Iowa was a 4.7 point win for Trump just days before the vote... and he lost by 3.3 (8 pt drop at the actual vote)
OKL was a 11.4 point win for Trump just days before the vote... and he lost by 6.1 (17.5 pt drop)
SC was a 17.1 point win for Trump just days before the vote... and he won by "only" 9.9 (7.2 pt drop)
Alaska was a 4.1 point win for Trump just days before the vote... and he lost by 2.9 (7 pt drop)
KS was a 6.1 point win for Trump just days before the vote... and he lost by 24.9 (31 pt drop)
Texas was a 9.0 point win for Cruz just days before the vote... and Cruz won by 17.1 (8.1 pt drop)
Virginia was a 14.5 point win for Trump just days before the vote... and he won by 2.8 (11.7 pt drop)
Tennessee was a 18.0 point win for Trump just days before the vote... and he won by 14.2 (3.8 pt drop)
VT was a 15.0 point win for Trump just days before the vote... and he won by 2.3 (12.7 pt drop)
Notice anything yet?
Yeah. You have way too much time on your hands.