Alibaba (BABA US // 9988 HK) reports today, 29 Aug pre-open US.
US-listed options expiring 29 Aug price a 1-day move of 5.8%, with the ATM straddle bid/ask at 5.6%/5.9% (Ref USD 120.11, Strike 120).
HK-listed options, expiring just before results, price a 2.2% move, with the ATM straddle bid/ask at 2.0%/2.4% (Ref HKD 115.8, Strike 115).