上海证券交易所50个ETF期权的定价基于不同的波动性模型
Qingchun Wu1, Xiaoping Kuang1, Binhong Wu2
1Tan Siu Lin Business School, Quanzhou Normal University, Quanzhou, China.
PloS one
|December 7, 2023
概括
上海证券交易所 (SSE) 50 ETF 期权在全球范围内非常活跃. 像BSM这样的定价模型低估了SSE 50ETF期权,特别是超现金合约,这表明需要改进的估值方法.
科学领域:
- * 量化金融 量化金融
- * 金融衍生工具 金融衍生工具
- *市场分析 *市场分析
背景情况:
- *上海证券交易所 (SSE) 50种ETF期权交易量显著,达到了超过1000万个合约.
- * SSE 50 ETF 期权因其在无风险套利,对冲和风险管理方面的实用性而得到认可.
- * SSE 50 ETF 期权的积极发展和全球知名度需要准确的定价模型.
研究的目的:
- * 调查SSE 50ETF买卖期权的定价.
- * 分析SSE 50ETF的波动性特征.
- * 评估黑斯科尔斯-默顿 (BSM) 模型和SSE 50ETF期权的波动性模型的有效性.
主要方法:
- * 采用传统的Black-Scholes-Merton (BSM) 模型进行欧洲风格的期权定价.
- *使用波动性模型来评估SSE 50ETF期权定价.
- * 对SSE 50ETF期权数据和指数波动性的实证分析.
主要成果:
- *SSE 50ETF波动性表现出弱或不存在杆效应,与SSE指数的逆杆效应保持一致.
- *BSM模型倾向于低估SSE 50ETF期权价格.
- *BSM模型对现金期权 (ITM) 最准确;由于时间价值的影响,现金期权 (OTM) 的价格很差.
结论:
- *BSM模型需要进行调整,以获得准确的SSE 50ETF期权定价,特别是对于OTM合约.
- *了解SSE 50ETF波动性对于有效的风险管理和套利策略至关重要.
- *建议对SSE 50ETF期权进行进一步的先进定价模型研究.
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