1, sudden and significant Zheng Zhi time (spot copper has not only general commodity attributes, but also strategic material attributes, so it is influenced by political strength and political situation. 2, spot copper inventory changes (inventory is a buffer between supply and demand, when the futures price is higher than the spot, commercial inventory will increase, stimulate the spot growth. On the contrary, the spot price will be pushed down. The market intervention of the Organization of Petroleum Exporting Countries and IEA (they can change the market supply pattern in a short time, thus changing people's expectation of spot copper Jiage's trend) 4. The outflow or inflow of hot money in the international capital market (when the global Jin Rong often lacks opportunities, its own products often enter the international market in large quantities, especially the spot copper market, which will inevitably push up the international price and make it seriously deviate from the fundamentals) 5. Exchange rate changes (the change of spot copper price is negatively related to the change of Meiyuan and the exchange rate of major international currencies, Mei. During the geopolitical turmoil, spot copper and Wuyuan were positively related, and they complemented each other. Abnormal weather (abnormal weather may cause damage to production facilities in spot copper, resulting in supply interruption, thus affecting oil prices) 7. The change of interest rate will lead to the decrease of mining speed. Tax policy (when the tax revenue increases, it will reduce the jing profit of spot copper mining, and correspondingly reduce the enthusiasm during the mining period. And taxes will reduce the return on newly discovered reserves)

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