期权交易员“由守转攻”！大举押注美股反弹势头将持续

Group 1 - The core sentiment among stock options traders has shifted from fear to greed, with a significant increase in bullish positions betting on a continued rebound in the U.S. stock market [1] - The volume ratio of call options to put options in U.S. exchanges is at its highest level since February 18, coinciding with the previous all-time high of the S&P 500 index [1] - Susquehanna International Group indicates growing confidence that the S&P 500 index will reach a new high of 6150 points in September [1] Group 2 - The Chicago Board Options Exchange Volatility Index (VIX) has dropped from 40 to below 20 in just 21 trading days, marking the fastest decline in history [3] - Historical data shows that in the past four instances where VIX fell below 20 within 100 trading days, the S&P 500 experienced gains over the following 1, 3, 6, and 12 months [3] - Despite the current optimism, there are concerns about the sustainability of this sentiment due to ongoing trade negotiations and low corporate earnings guidance [3] Group 3 - Systematic hedge fund buying is expected to support the stock market in the coming weeks, as these funds have been waiting for buy signals [4] - The decrease in panic levels over the past month is likely to encourage investors to re-enter the market [4]