Choose a mission
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Evidence Board
Tip: Collect at least 3 items to earn the 🧩 Evidence Collector badge.
Tiny Simulation
Move the sliders to test a what-if scenario.
+10%
-10%
Predicted price direction: up
Predicted quantity direction: uncertain
Heuristic: demand↑ → prices↑; supply↑ → prices↓. Mix them to see the direction.
Claim Builder
Write one paragraph explaining your claim using at least two evidence items and the sim result.