Overnight options expire the next working day at 10-am New York/15GMT and now include Wednesday’s U.S. retail sales in addition to Tuesday’s CPI data, with their premiums reflecting the perceived FX volatility risk from these events.
Implied volatility gauges the expected realised volatility on which options thrive, with any disparity creating a trading opportunity. Any increase in overnight implied volatility when its expiry includes a major event will reflect additional realised volatility risk premium.
