Learn in public records, not in slogans
Five lanes, one standard: if a lesson cannot be turned into a rule you can audit, it does not belong here.
LAST PRINT ENTRY
CROSS THE SPREAD
ROUND-TRIP VIG
SUBTRACT FROM R
The Spread Is a Fee You Already Paid
The bid-ask gap is not a detail for later. It is an immediate cost that changes expectancy, especially when you trade frequently or in thin books.
LAST PRINT AS VERDICTSECRET MEANINGSNARRATIVE
A RECEIPTQUEUE WINSTHREE-LINE JOURNAL
Markets Are Matching Engines, Not Oracles
A price is the last agreed trade, not a verdict about the future. Learn how orders meet, why your fill is someone else's exit, and what that implies for every later lesson.
