U.S. stock markets experienced a notable surge as S&P 500 futures rose above the 6,000 mark ahead of Donald Trump's inauguration. The bullish sentiment was reflected in the S&P 500's gamma open interest, which indicated a call-dominated market with a CallGamma/PutGamma ratio of 1.06 and a GammaFlip level of 5965. Additionally, the Nasdaq composite index gained over 300 points, further signaling investor optimism as the countdown to Trump's presidency continues. Market participants are closely monitoring these developments as they anticipate potential policy changes following the inauguration.