As earnings season is entering its key period, UBS's derivatives department recommended Call Spreads to cope with this earnings season.Stuart Kaiser, head of derivatives at UBS, said: options volatility is higher during earnings season, which makes investors need to pay higher costs for big companies options. But buy call or call spreads on companies such as $Apple(AAPL)$ , Amazon (AMZN)$, Tesla (TSLA)$ and $Meta Platforms, Inc.(META)$ are still attractive because those stocks have fallen so much this