| Morning Session | 9:30 a.m. - 12:00 noon (HKT) |
| Afternoon Session | 1:00 p.m. - 4:00 p.m. (HKT) |
| Settlement Date | Physical delivery of underlying shares on exercise and settlement period are : T + 1 (options premium, payable in full) or T + 2 (stock transfer following exercise) |
| Underlying Stocks & HKATS Codes | Please refer to the list of stock options |
| Option Types | Puts and calls |
| Contract Size | One board lot of the underlying shares. Except for : Agricultural Bank of China Limited, AIA Group Limited, China Pacific Insurance (Group) Co., Ltd., iShares FTSE A50 China Index ETF, W.I.S.E. - CSI 300 China Tracker. Please refer to list of stock options |
| Contracted Value | Option Premium multiplied by the Contract Size |
| Contract Months | Spot, the next two calendar months & the three quarter months (The Exchange may introduce any other longer-dated expiry month in selected stock option classes as it deems necessary) |
| Minimum Fluctuation | HK$0.01 |
| Option Premium | Quoted in HK dollars on a per share basis |
| Expiry Day | The business day immediately preceding the last business day of the contract month |
| Exercise style | American: Options can be exercised at any time until expiration |
| Exercise Fee | HKD $2.00 |
| Trading Tariff | Tier 1 (HK $3) or Tier 2 (HK $1) or Tier 3 (HK $0.5) |