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The plumbing of actual trading: order types, sessions, spreads, liquidity, volume, float, short interest, and corporate events like IPOs and splits.
11 lessons in 3 modules about 44 min of readingFree to read
Start with lesson 1Market, limit, stop — each answers a different question: certainty of fill vs certainty of price.
Regular hours, pre-market, and after-hours — and why thin extended sessions punish market orders.
Two prices always exist — what buyers will pay and sellers will take. The gap is your invisible cost per round trip.
How much you can trade without moving the price — the property that makes everything else about trading work.
Shares traded per bar — the conviction gauge behind every price move.
Shares actually available to trade — small floats plus a catalyst produce the market's most violent moves.
How many shares are sold short — a crowd of forced future buyers if the trade goes against them.
The firms quoting both sides all day — paid in spread for providing the liquidity you consume.
A company's first public share sale — exciting, and statistically treacherous for buyers at the open.
More shares, same pie — cosmetic to value, sometimes meaningful as a signal and for liquidity.
Fewer shares at a higher price — usually a company climbing back over an exchange's minimum-price bar.
Every lesson in this course is free to read. A free account adds the quizzes at the end of lessons, keeps track of what you have finished, turns questions you missed into review flashcards, and lets you ask the lesson tutor and keep notes. Finish every lesson to earn the course certificate.
An account is also how you reach the rest of ScanPro: the stock scanner, alerts and paper trading with simulated money.
Educational tools, not investment advice.