The introduction of Bitcoin ETF options brings the following core changes to the market:

1. Increase market depth: Provide new investment and hedging tools, enhance market liquidity and stability.

2. Risk management: Investors can use options for more sophisticated risk management, including the use of duration and volatility smile strategies.

3. Price volatility: The introduction of options may increase the volatility of Bitcoin prices, especially in terms of market expectations and investor sentiment.

4. Attract institutional investors: Regulated options markets may attract more institutional investors and promote market maturity.

5. Market forecast: Options activity may become an important indicator for predicting Bitcoin price trends.