The option expiry info for today indicates a sparse docket indeed;
For later this week it'll pick up though, these from the 10am New Yrok time cut on the days indicated:
Wednesday 8 August 2018
USD/JPY
- 112.50 USD amount 1.3bn
AUD/USD
- 0.7300 AUD 1.1bn
Thursday 9 August 2018:
EUR/USD
- 1.1500 EUR amount 1.1bn
USD/JPY
- 111.00 USD 1.1bn
- 111.50 1.4bn
- 112.00 1.0bn
- 112.20 1.1bn