OpenMarketMake
Learn to think like a rates market maker — quote through real historical days, get filled, hedge, and get told exactly what you did right and wrong.
15 minutes with a senior trader: learn the screen, post your first quote, take your first fill, hedge it, and survive your first data print — step by step, with the clock paused while you learn.
Three fast drills straight from S&T interviews: market math under a clock, macro rapid-fire, and the classic "make me a market" game against a bot interviewer.
Difficulty
Trading days (generated — different every run)
Complete 3 sessions to unlock (0/3)
Score 70+ on Medium or Hard to unlock
Famous days (real history, replayed)
October CPI hits at 8:30am. Consensus expects +7.9% YoY. You're making markets in the 10Y note through the release. Inflation surprises move Fed expectations, and Fed expectations move this market — instantly.
Unlocks as your skills grow: quoting two tenors, curve risk.
Unlocks as your skills grow: same skills, new asset classes.
New here? Start with Easy — wider spreads, a slower tape, and more time to react when the number drops. Every piece of jargon in the app has a hover tooltip, and the debrief at the end explains every decision in plain English.