Shake Shack reported Q4 numbers that beat estimates, but the numbers didn't surpass the high-end estimates. .
The high comp sales growth that hit 13.3% during 2015 will cause a big headwind for 2016 growth. .
Investors still need to get real on the valuation multiples paid for the stock. .
After the close, Shake Shack (NYSE:SHAK) reported that Q4 result surpassed analyst estimates. The beat was hardly surprising considering the top analysts on the stock at Estimize predicted an extremely positive earnings outcome. The actual surprise is that the beat was a minimal $0.01 versus the typical beat by far larger levels.