Some neat data visualisation of Chicago's Divvy bike system. Featured: I hold the record for the longest and fastest ride ever (a ride longer than rides of comparable speed and faster than rides of comparable distance).

Live-trading low liquidity prediction markets; $658 of profit in February. We HJB quote when a monopsony and dynamically bid on the competitive microstructure otherwise, aggregating 15+ bookmakers, 100+ markets, 500+ orders...