$NVIDIA(NVDA.US) Reviewing NVIDIA's performance around the earnings report, the market generally believed the results would exceed expectations, so the stock started rising a few days in advance and continued until before last night's opening. Although exceeding expectations was indeed highly probable, over 90%, as the saying goes, 'unanimous expectations must reverse,' it's not that easy to make money. As a result, the stock opened lower, with a relatively small intraday decline. After the earnings report was released, it seemed only the data center revenue slightly missed expectations, while total revenue still exceeded expectations. However, the stock dropped by more than 5% after hours, clearly oversold, and almost all the losses were recovered by today's opening. For options, this is what you often call 'killing both bulls and bears.' So, going all-in before the earnings report—how could it be that easy?