What are suitable day trading instruments / currencies in Asian timezones?

Who is trading them ?

p

The Japanese Nikkei index and Hong Kong Hang Seng are probably what you are looking for if you're thinking about futures.

There is also the KOSPI 200 futures, though access to them is not completely straightforward. The KOSPI options are unbelievably liquid (if you like options), but the futures still have a volume of around 300,000 a day or so.
I dont trade them, so you would have to do your own research, but I came across them when I was looking for an answer to this very question.

Have a look at this thread:

Alternatives to the US/Euro market times (such as the HSI)? Hello, I am new to this and still looking the find an instrument that works well for me. As a result of my time zone (Australia) and very young children, I find it almost impossible to trade the US markets and have been looking for alternatives that …

So far my answer has been to trade the opening few hours of the Euro market and the close of the US.

Gold, Copper, Yen, maybe Euro however...

I'm not too keen on "day trading" any of those during Tokyo hours.

You are better off swing trading over several days to weeks if you cannot
be around for the New York session.

What is your timezone in GMT