Four purpose-built prop engines. Each pulls the full US-bettable book set, de-vigs the two-sided line, and applies model math books don’t price well — weather/park effects for HRs, referee whistle profiles for NBA, linemate/opponent shot rates for NHL skaters, and rest/workload for goalies.
More markets on the way — NFL passing yards with weather. Suggest one at hello@myoddsy.com.