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Level 6
· 👑 WORLD OPEN
· ◆◆◆ · ~12 min
The Book Open
The Book Open
"Eight questions on the machinery: orders, matching, the queue, and what the tape does and doesn't tell you."
limit order bookmarketable limit orderswalking the bookprice–time priorityqueue positioneffective spreadcancellation and fleeting liquidity
A short lesson, then a quiz. ❤️×3 — a wrong answer costs a heart; finish with at least one left and the level is yours. Lose all three and you'll have to try again. Replay any time — XP and cleared levels are never lost.