Which is the most liquid market for trading?
I would rate index futures, in particular the US index futures (e.g. the S&P 500 future) as the most liquid markets after the forex markets.
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### Instruction:
Which is the most liquid market for trading?

### Response:
I would rate index futures, in particular the US index futures (e.g. the S&P 500 future) as the most liquid markets after the forex markets.