2013 (72)
2014 (716)
2015 (744)
2016 (306)
2018 (411)
From the past 20 years, during the first 10 days, there are on average
1.5 days up more than 1%
1.2 days down more than 1%
1.25 days up between 0.5% to 1%
1.1 days down between 0.5% to 1%
During the past two years, there's a 1% up day every 11 days, and 1% down days every 13 days. It has been 13 days since the last 1% up session (Dec.18), and 18 days since the last 1% down session (Dec.11).
Conclusion: the market is overdue some big up and down days. The low VIX is favorable for aggressive investors who bet on high risks, because we will see VIX go up soon.