Building a Real-Time Opinion-Trading Engine: An Anatomy

If you've used Probo or any "opinion trading" app during an IPL match, you know the experience: the next over hasn't even started and you're buying YES at ₹3 that India will hit a six. Three balls later, your YES is worth ₹7 because the bowler has just been hit for two boundaries. You sell. You make ₹4 in 90 seconds. This is a real-time prediction market. Underneath the breezy UX is one of the harder engineering problems in consumer fintech. At Xenotix Labs we built the trading engine for Cricke