When the total position (X) reaches the following standards, the margin ratio of rebar trading.
X ≤ 750,000 7%
750,000 < x ≤ 900,000 8%
900,000 < x ≤ 1.05 million 10%
X > 1.05 million 12%
This is the standard of the exchange.
Plus futures companies, it is generally 3%. There will be a notice when the market fluctuates greatly.
You may not have made a firm offer for futures. Every futures company will announce the margin standard every day.