ANZ are the latest major bank to release their revised prediction for the OCR.

The bank forecasts that the RBNZ will raise the OCR by 25 basis points to 5.50 percent next week and again in July, peaking at 5.75 percent. 

NZ Herald Wellington business editor Jenee Tibrshraeny says ANZ economists know the economic picture is currently as 'clear as mud' because of all the variables.

"They're really focused on immigration being much stronger than expected. That, to them, is the key thing that will stir up more inflation than otherwise expected."

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