金融期权成交活跃度全线攀升

Market Performance - On April 16, the A-share market showed a mixed performance with the Shanghai Composite Index rising by 0.26% while the Shenzhen Index and the ChiNext Index fell by 0.85% and 1.21% respectively [1] - The STAR 50 Index increased by 0.81% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 11,119 billion yuan [1] Options Market Activity - All varieties of options saw increased trading activity with overall open interest continuing to grow [2] - The trading volume for the Shanghai Stock Exchange 50 ETF options was 1,285,515 contracts with an open interest of 1,594,677 contracts and a transaction value of 431 million yuan [2] - The trading volume for the CSI 300 ETF options was 1,369,245 contracts with an open interest of 1,414,333 contracts and a transaction value of 715 million yuan [2] - The trading volume for the CSI 500 ETF options was 1,632,882 contracts with an open interest of 1,216,514 contracts and a transaction value of 1,381 million yuan [2] - The trading volume for the ChiNext ETF options was 1,347,656 contracts with an open interest of 1,583,698 contracts and a transaction value of 507 million yuan [2] Implied Volatility - Various underlying assets experienced a rebound from low levels, while the implied volatility of options remained at year-to-date lows [3] - The weighted implied volatility for the Shanghai Stock Exchange 50 ETF options was 0.1476, while for the CSI 300 ETF options it was 0.173 [3] - The weighted implied volatility for the ChiNext ETF options was 0.2883, indicating a relatively low volatility environment [3] - The analysis suggests that the recent contraction in trading volume and narrowing volatility may not be sustainable, with a potential for a market rebound in the medium to long term [3]