Whats the best way to buy HK stocks through IB while asleep?

Lets say I want to buy some HK:3040 but I dont want to be up late at night, I just want to send an order that will have a resonable fill automatically. On the NYSE I can just send an OPG order and I will get the opening auction which usually is a fair price with good liquidity. Is there an equivalent at HK? What about the IB algos, is it possible to use an algo that will fill me during 1 hour? I'm simply trying to avoid having a marketable order at the open. Even limit orders are of limited used because I'm not exacly sure where the ETF will be trading at, especially with the whole coronavirus thing

Thanks

 

HK seems to have OPG orders. Never participated due to stamp duty.

 

This duty sucks but I guess its better than the US 30% withholding of dividends to non-US investors. I'm trying to avoid that

 

Couldn't you use IB cfd to avoid stamp duty?