Options play an important role in investment and speculative strategies as important derivatives, and this article will examine the price correlation between options and spot products.This article selects the price data of CSI 300 options and CSI 300 ETF from December 23,2019 to November 8,2021,and empirically analyzes the price correlation between the two using the TGARCH(1,1)model.The results show that the listing of CSI 300 options can significantly reduce the volatility of the spot market and have a price guidance effect on the spot market,...