Retail investors go on a buying spree! Call option trading on US stocks "Mag 10" hits the highest level since 2021

```htmlGlonhui May 13｜The latest data from the Chicago Board Options Exchange (Cboe) shows that retail traders' bullish aggression toward technology stocks has surged to its highest level since the COVID-19 lockdowns. According to a Cboe report, retail investors are aggressively buying call options on the "Mag 10"—the seven giants of US stocks plus AMD, Palantir, and Broadcom—with trading volumes over the past 10 days reaching the highest since 2021. Among newly opened option positions, the proportion of bought call options is as high as 52%, while selling accounts for only 17%. Mandy Xu, Head of Derivatives Market Intelligence at Cboe, stated that hedgers have given up resisting, and investors are actively chasing the market rally by buying call options.```