Sports · Market Making#252

Pre-Game Quoting Against the Consensus Line

In the hours before a game the sportsbook consensus is a very stable fair value, which makes it an unusually safe anchor to quote around. You post both sides at a spread either side of the book-implied probability and collect from traders who want in or out immediately. The discipline is knowing exactly when to stop: lineup confirmations, injury news and the closing-line move are all scheduled or semi-scheduled events that make you the slow side.

What you need to run it

Live consensus line from several books converted to a fair probability after vig
Automated quoting with inventory caps and per-game exposure limits
Hard pull rules tied to lineup release times and injury-wire hits

Where this applies

Markets on Polymarket where pre-game quoting against the consensus line is the natural play:

Will the Lakers beat the Celtics tonight?
Will Arsenal beat Tottenham this weekend?
Will the Dodgers win their next game?

Capabilities this demands

Custom code / APIData ingestionRisk management

At a glance

CategoryMarket Making

MarketSports

Requirements3

CapabilitiesCustom code / API, Data ingestion, Risk management

VenuePolymarket (CLOB, Polygon)

Build it

Related sports strategies

This is documentation, not advice. Poly Research & Robotics publishes how these strategies work because the method should be checkable — not as a recommendation to trade them. See the full strategy database (297 strategies) or the data resources directory.