Click the option in front of the contract number, and the following is the exchange Dalian Zhengzhou Shanghai CICC.
Then choose a specific contract.
Or even simpler,
Culturally choose the contract variety you want to make, call your simulation trading software, press F5 to enter the time-sharing chart of this variety, and you will automatically convert it into your quality contract code, which is the simplest.
I don't understand. Add me.
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