a team has begun investigating last month's edley sarin gas attack. -- deadly sarin gas attack.gations that syrian president's regime is responsible for the deaths of men, women, and children. global news 24 hours a day from our more than 2400 journalists in more than 150 news bureaus around the world. i am mark crumpton. this is bloomberg. julia? julia: thank you, mark. oil attempting to recover from the sudden drop. options insights is next. from new york, this is bloomberg. ♪ scarlet: this is bloomberg markets. in scarlet fu. .ulia: i'm julia chatterley now it's time for options insights with julie hyman. julie: thank you. joining me, our guest or macro risk advisors. a perfect day for you to come in. we've been talking about the oil price bounce after the big downside we have had. i'm curious, over this week as we have seen the reaction in oil, the slide, which was quite sudden yesterday, and the bounce today, what positioning changes have you been seeing in the market? >> the big trade we have seen is people roll out of xlp puts and baiting onally further downside in the us