[1] Running cat on a csv file would usually just print a list of numbers, yes? Instead he gets ascii art with months on the vertical axis, making it seem like time going back and forth, and some random commentary in the right margin. I dunno but something about it screams "mockup". As does the minimalist, ultra-stylish AWS window.
Edit: also, if it were me who got incredible returns from trading at high speed on indian markets using only machine learning on historical data, I would definitely keep quiet about it. Just sayin'...