Locking the warehouse at noon and unlocking it at night greatly reduces the handling fee, and locking the warehouse only takes up unilateral margin.

You said that the position of rebar and hot coil aroused my interest. I checked the situation of the threaded main connection,

Combined with time, rebar has also had the change law of the above black raw materials in history. For example: 180 1, 1705.

At the same time, it should be noted that on August 5, 20 17,10, Rb17, 0 1 day, the handling fee for closing trades was raised from one ten thousandth to five ten thousandths, when the main contract was180.

2016165438+1October 10, and the closing fee of rb 1705 was increased by four ten thousandths of the transaction amount. At that time, the main contract was rb 1705. It is particularly noteworthy that the rebar liquidation fee has just been adjusted from one ten thousandth to two ten thousandths two days before, less than three trading days.

Since 20 13, the rebar closing fee has been raised only three times, and every time the rebar closing fee has been raised since September 20 16, it is precisely the periodic change of the above positions in the main thread contract. (Note: K-line data was missing before September 20 16/hour) (Secondly, on April 25, 20 1 6, the rebar transaction fee was adjusted from 0.6 million to 1).

Comparatively speaking, iron ore, coke and coking coal all have the above-mentioned positions change rules: 1705, 1709, 180 1, 1805. Due to the limited data given by Wenhua Finance, there is only 1 hour K-line chart from September 2065438 to now.

Finally, let's make a comparison. The exchange's minimum handling fee per unit for rebar and iron ore, coking coal and coke futures contracts, well, you will know when you open a bill. I remember that the handling fee of black raw materials is very high, but I don't remember how much higher it is than rebar, of course, because the transaction amount is different.