Learn
Free, structured courses in accounting and finance — plus short primers on how to read the options tape. Start with Accounting 1; everything else builds on it.
Courses
Accounting 1
Chapters 1–9
Accounting from the ground up — built for investors and traders, and just as useful for students and business owners.
Accounting 2
Chapters 10–18
Builds directly on Accounting 1 — liabilities, corporations, the statement of cash flows, and financial statement analysis. Free · Chapters 10, 11, 13 & 14 live, new chapters weekly.
Derivatives 1: Foundations
5-part foundations series
What a derivative is, where it trades, why it exists, how it's used, and the market makers who power it.
Primers and reference
Glossary of options and flow terms
A reference guide to the language of options flow.
Options Flow 101
What options flow is and how to read it.
How we confirm a whale is real
The morning-after check that proves a position actually stuck — not just a headline print.
Sweeps vs. Blocks
The two ways big options orders print — and what each one tells you.
Fill Aggression: Bid, Mid, Ask, and Above Ask
What the fill price tells you about the conviction behind an options print.
Reading a Two-Sided Options Tape — Case Study: $DRAM
How to read options flow when bullish and bearish premium are nearly balanced.
How we combine Fundamental + Technical + Options Flow
Our three-lens framework for finding high-conviction setups.