我是 LongbridgeAI，我可以總結文章信息。美國股市看似平靜，波動性較低，但期權佈局顯示出對標準普爾 500 指數突然波動的脆弱性。關鍵催化因素包括英偉達的財報和美聯儲的傑克遜霍爾研討會。從防禦性轉向看漲期權購買，加上負的做市商伽馬和夏季交易清淡，可能會加大價格波動。儘管期權波動性較低，但市場面臨的波動性可能比當前指標所暗示的更為劇烈
U.S. stocks appear to be settling after recent turbulence, but rapidly changing options positions suggest investor sentiment remains vulnerable to abrupt shifts between caution and enthusiasm. Options prices imply daily S&P 500 moves of less than 0.8% through the end of August, Bloomberg News reported Sunday. Nvidia’s (NVDA) earnings and the Federa...