The supply of EOS is 1B,  900M are circulating within the next 335 days.  The supply will not be changing so can be hard-coded.

204M are "liquid" now and an additional 2M are being made "liquid" every 23 hours.  Based on Steem Power president the full 900M should be the basis because 900M will be entering the market within a timeframe relevant to todays pricing.