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Market Making Card Game

See a 5-card hand (some face down). The market maker quotes a bid/ask. Decide: buy or sell? The correct move maximises expected value.

👁️You see 5 cards — some face up, some face down (hidden info)

🧮Calculate the expected value of the hand

⚡If EV > Ask → BUY. If EV < Bid → SELL. Otherwise, pass.

🏆Maximise your P&L across 10 rounds