The daily strong support is seen at 0.6844. However, the stop loss order should always be taken into account, for that it will be reasonable to set your stop loss at the level of 0.6974 which represents the gold ratio on the H1 chart.
FX.co ★ Technical analysis of NZD/USD for May 21, 2018
Long-term review
Technical analysis of NZD/USD for May 21, 2018
*The market analysis posted here is meant to increase your awareness, but not to give instructions to make a trade