Labour moves up to 30.7%, National sits back at 26.4%, Opportunity at 5.1% in poll day before election day

A poll released the day before the election has Labour just crawling out of the 20s up to 30.7%, while National sits on 26.4%. 

The Post/Freshwater poll, taken between October 29-November 3, had Labour rising by 2 percentage points since its October 26 poll, and National dropping by 1.2 percentage points.

Labour - 30.7%
National - 26.4%
The Green Party - 13%
NZ First - 12%
ACT - 9.8%
Opportunity - 5.1%
Te Pāti Māori - 2% 

You can read more about vote splitting and seat overhang here.

It follows the Taxpayers' Union - Curia Poll this week, which suggested a hung Parliament between the left and right blocs.

National - 28.9%    ↑0.4 (compared to October's poll)
Labour - 28.4%   ↑0.2
Green - 14.4%  ↑1.1
ACT - 10.5%    ↑1.3
NZ First - 9.8%    ↓2.2
Opportunity - 5.8%    ↑1.0
Te Pāti Māori - 1.1%    ↓0.3
Other - 1.1% ↓1.6

That was a day after the 1News Verian Poll:

National - 30% (up 1 percentage point)
Labour - 29% (up 2 percentage points)
The Green Party - 16% (up 1 percentage point)
ACT - 10% (down 2 percentage points)
NZ First - 8% (down 2 percentage points)
Opportunity - 6% (steady)
Te Pāti Māori - 0.4%