Take the most popular rebar as an example, there are two kinds of position restrictions: limiting the proportion of positions and limiting the number of hands.

There were more than 750,000 lots of rebar in the last trading day, with futures company members limited to 15%, non-futures company members 10% and customers 5%.

More than 750,000 lots one month before the delivery month. Futures company members are limited to 30,000 positions; Non-futures company members, 9000; For customers, 3000.

The delivery month is over 750,000 lots. Futures company members are limited to 6000 positions, non-futures company members are 1800, and customers are 600.

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