上半年金融期权市场活跃度分化明显

Core Insights - The overall financial options market showed a total trading volume of 690 million contracts in the first half of 2025, with a daily average trading volume of 6.39 million contracts and a total trading value of 589.44 billion yuan, reflecting a mixed performance compared to the same period in 2024 [1] Trading Volume and Market Share - The trading volume of options related to small and mid-cap indices, such as the CSI 1000 Index options and the Huatai-PineBridge Innovation 50 ETF options, saw significant increases, with the latter experiencing a daily average trading value growth of 42.09% compared to 2024 [2] - The CSI 1000 Index options market share rose to 36.13%, while the Southern CSI 500 ETF options followed with a 22.12% share, indicating a market preference for trading small-cap index options due to their higher elasticity [2] Volatility Trends - Implied volatility for options generally trended downward in the first half of the year, with notable spikes following the imposition of "reciprocal tariffs" by the U.S. in early April, where IO and MO options reached highs of approximately 50% and 70% respectively [3] - The implied volatility for the CSI 300 Index and CSI 1000 Index options has dropped to historical lows of 13% and 18%, respectively, indicating a low volatility environment, but with a premium over historical volatility still above 3% [4][9] Strategy Performance - Selling put options yielded positive results, with absolute returns of 7.08% and 8.56% for at-the-money and in-the-money options, respectively, outperforming the CSI 1000 Index by 0.39% and 1.87% [5] - The dual selling strategy of simultaneously selling out-of-the-money call and put options showed stable performance, with absolute returns of 8.99% and 5.95% for IO and HO options, although both strategies faced significant drawdowns post-Qingming Festival [7][9] Market Dynamics - The liquidity in the financial options market showed a noticeable decline in the second quarter compared to the first quarter, with a clear preference for trading small-cap index options [9] - The potential for a resurgence in volatility is anticipated, particularly during significant events such as the Central Political Bureau meeting and U.S.-China tariff negotiations, suggesting that option sellers should remain vigilant [4][9]