Computer-assisted wagering gets 10-15% rebates, doubling takeout on retail bettors

Computer-assisted wagering (CAW) operations — algorithmic betting syndicates — now account for $3-4 billion annually, roughly 30-35% of all U.S. racing handle. These operations negotiate rebates of 10-15% on their bets, meaning their effective takeout is 5-9% versus the 20%+ that retail bettors pay. Because horse racing uses pari-mutuel pools (all bets go into one pot), CAW rebates are not funded by tracks — they are effectively subsidized by the retail bettors sharing the same pool. A CAW operation betting $100,000 and losing $10,000 can receive an $11,000 rebate and profit $1,000 despite losing. This structurally guarantees that retail bettors face worse odds. The retail bettor base has been shrinking for 20 years (handle down 57% in real terms since 2003), and this rebate disparity accelerates the exodus because casual bettors cannot compete mathematically. It persists because tracks depend on CAW volume to inflate their reported handle numbers (which determine their share of interstate simulcast revenue), creating a dependency where tracks sacrifice long-term retail customer viability for short-term handle metrics.