I posted those for expiry today here earlier:

  • Forex option expiries today, Thursday 19 July 2018 at the 10am NY cut

A heads up for these ones a little later:
EUR/USD

  • 1.1700 EUR 1.9bn on MONDAY July 23

USD/JPY

  • 114.25 USD 1.2bn on FRIDAY July 20

AUD/USD

  • 0.7400 AUD 1.2bn on FRIDAY July 20