If the current Opposition let Opportunity into their group, their chances increase.
The Opportunity Party could decide the next government, according to the latest 1News Verian poll.
The current coalition would only just be able to form a government on the poll's numbers.
ANALYSIS: Is Opportunity's rise coming at the cost of Labour?
The Herald's Poll of Polls also shows Opportunity is likely to enter Parliament.
The Opportunity Party could potentially hold the balance of power.