杰克逊霍尔央行年会前夜，资金豪赌鲍威尔“放鸽”，押注“50基点降息”

Group 1 - Traders are heavily betting on a 50 basis point rate cut by the Federal Reserve next month, despite a significant increase in the July PPI [1] - The number of options contracts betting on a 50 basis point cut has reached 325,000, with a premium cost of approximately $10 million, potentially yielding a profit of $100 million if the cut occurs [1] - Market sentiment is shifting, with investors moving from short positions to neutral positions ahead of Powell's speech [2] Group 2 - The percentage of direct short positions among JPMorgan clients has decreased by 4 percentage points, indicating a reduction in bearish sentiment [2] - There is a warning that if Powell does not align with the current dovish expectations, the front end of the yield curve could face bearish corrections [3] - Asset managers have increased net long positions in most bond futures, particularly in long and ultra-long bonds, while hedge funds have increased net short positions in 10-year Treasury futures [3]