The local currency has dropped almost 3c against the greenback since its recent peak prior to the coalition announcement last week - US71.88c.
But to put in perspective it is still trading above six month lows - about US68.5c in May - when Bill English's National Government was considered to be well in control.
It has traded as low As US62.59c during National's last term (Sept 2015).
It is also worth noting that the US dollar has strengthened against most major currencies in the past few days as markets eye the US Federal Reserve in anticipation a December rate hike.