Stock Market Trading: a course from zero to options

What a stock is, how the market works, placing a trade, reading a business and a chart, risk and position sizing, trading styles, margin, short selling, taxes, options and futures.

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🧩 What a stock is: owning a slice of a businessIn 30 seconds: A stock is a piece of ownership in a company. If a company is split into 1,000,000 shares and you own 100 of them, you own one ten-thousandth…
🏦 Why companies sell shares: IPOs, listings and dilutionIn 30 seconds: Companies sell shares to raise money they never have to pay back. The first public sale is usually an IPO (initial public offering). After…
🔄 How the stock market works: from your tap to settled sharesIn 30 seconds: You never trade on an exchange yourself. You send an order to a broker, the broker routes it to an exchange, a market maker or another trading…
🛡️ Who runs and polices the market: SEC, FINRA, SIPC and the statesIn 30 seconds: The SEC is the federal agency that writes and enforces securities law. FINRA is the industry regulator, supervised by the SEC, that licenses…
📊 Market indexes: what "the market was up 1%" actually meansIn 30 seconds: An index is a scorecard for a group of stocks. When the news says "the market was up 1%", it usually means the S&P 500 rose 1%. Each index…
🐂 Bull markets, bear markets, corrections and crashesIn 30 seconds: A bull market is a long rise in stock prices; a bear market is a fall of 20% or more from a peak. A correction is a drop of 10% to 20%. A…
⚖️ Investing vs trading: time horizons, styles and the evidenceIn 30 seconds: Investing means owning businesses for years and letting their growth do the work. Trading means trying to profit from price moves over…
🌊 Why stock prices move: earnings, expectations, rates and noiseIn 30 seconds: A price moves when buyers are more eager than sellers, or the other way round. Underneath that, a share is worth the profits the business will…
🕘 Market hours and settlement: when you can trade and when it is finalIn 30 seconds: The main US stock session runs 9:30 a.m. to 4:00 p.m. Eastern Time, Monday to Friday. Many brokers also let you trade before the open and…
🏦 Choosing a broker: what actually mattersIn 30 seconds: A broker is the company that holds your account and sends your orders to the market. Before anything else, confirm it is registered with the…
🗂️ Account types: cash, margin, IRAs, custodial and jointIn 30 seconds: Every brokerage account answers two questions. How do you pay for trades: only with your own settled cash (a cash account ) or partly with…
🖱️ Your first trade, step by stepIn 30 seconds: A first trade has six steps: fund the account and wait for the money to clear, find the right ticker, read the quote, fill in the order…
🎛️ Order types in depth: market, limit, stop and trailingIn 30 seconds: Every order trades off two things: certainty of getting filled and control over the price. A market order almost always fills but at an…
💧 Bid, ask, spread and liquidityIn 30 seconds: The bid is the best price buyers are offering. The ask is the best price sellers want. The gap is the spread , and you pay it every time you…
🧾 What trading really costsIn 30 seconds: "Commission-free" does not mean free. Every round trip costs you the spread , some slippage , tiny regulatory fees on sales, and for many…
🧪 Practice first: paper trading and starting smallIn 30 seconds: Paper trading means placing pretend trades with fake money at real market prices. It is the cheapest way to learn the buttons, test a set of…
📓 Keeping a trading journalIn 30 seconds: A trading journal is a record of every trade: the plan before, the result after, and what you were thinking. Without one, you remember your…
🔢 Reading a stock quote: every number on the screen, explainedIn 30 seconds: A stock quote is a snapshot of one company's shares at one moment. The top line tells you the last trade price and how far it has moved since…
📊 Chart basics: line, bar and candlestick charts, scales and time framesIn 30 seconds: A price chart puts time on the bottom and price up the side. A line chart joins the closing prices. A bar chart and a candlestick chart show…
🕯️ Candlestick charts: anatomy, key patterns and what the evidence saysIn 30 seconds: A candlestick shows one period's open, high, low and close. The thick body runs from open to close; the thin wicks reach to the high and low.…
🔊 Volume: how much trading is behind a price moveIn 30 seconds: Volume is the number of shares traded in a period. Price tells you where trades happened; volume tells you how much conviction and money was…
🧺 ETFs and index funds: baskets you can trade, and the ones that biteIn 30 seconds: An index fund holds every stock in an index so you own the whole basket in one purchase. An ETF (exchange-traded fund) is a fund that trades…
💵 Dividends, splits and buybacks: how companies hand back cash and reshape sharesIn 30 seconds: Companies return cash to shareholders in two main ways: dividends (cash paid per share) and buybacks (the company buys its own shares, so each…
📋 Earnings season: reading the report and the reactionIn 30 seconds: Four times a year, public companies report their results, and the few weeks when most of them do it are called earnings season. The headline…
🔎 Where to get reliable market information, and how to judge the restIn 30 seconds: The most reliable market information comes straight from the source: company filings on SEC EDGAR, company press releases, and data published…
📒 The three financial statements, built from a lemonade standIn 30 seconds: Every public company reports three statements. The income statement shows whether it made a profit over a period. The balance sheet shows what…
🏷️ Valuation ratios: P/E, EV/EBITDA, free cash flow yield and moreIn 30 seconds: A share price means nothing on its own. Valuation ratios compare the price with something the business produces: earnings (P/E), sales (P/S)…
🔬 Measuring business quality: margins, returns, debt and dilutionIn 30 seconds: Valuation tells you the price. Quality tells you what you get for it. A high-quality business keeps a large share of each sales dollar…
⚖️ Growth vs value, and why company size mattersIn 30 seconds: Stocks are often sorted two ways: by size (market cap: large, mid, small, micro) and by style (growth or value). Growth stocks are companies…
🔄 Sectors and the business cycleIn 30 seconds: Companies are grouped into 11 sectors under a standard called GICS. Some sectors are cyclical : their profits rise and fall sharply with the…
🏛️ The economy and stocks: the Fed, inflation, jobs, GDP and the yield curveIn 30 seconds: Stocks are claims on future profits, and the economy shapes both the profits and how much investors pay for them. The Federal Reserve sets…
🏰 Qualitative analysis: moats, management and red flagsIn 30 seconds: Numbers tell you how a business did. Qualitative analysis asks whether it can keep doing it. A moat is anything that stops competitors from…
📝 Building a stock thesis: from idea to decision, with a simple DCFIn 30 seconds: A thesis is a short written argument for why a stock is worth more (or less) than its price, what has to happen for you to be right, and what…
🛡️ Risk comes first: the math of losses and why survival winsIn 30 seconds: Losses and gains are not symmetrical. Lose 10% and you need 11.1% to get back to even. Lose 50% and you need 100%. That one fact is why…
⚖️ Position sizing: how many shares to buyIn 30 seconds: Position sizing answers "how many shares?" The best-known method starts from how much you are willing to lose, not from how much you want to…
🛑 Stop losses: where to put them and what they cannot doIn 30 seconds: A stop loss is the price where you admit a trade is wrong and get out. You decide it before you buy, and it sets your position size. Good…
🎲 Risk/reward and expectancy: why a 40% win rate can make moneyIn 30 seconds: Whether a trading method makes money depends on two numbers together: how often it wins and how big the wins are compared with the losses.…
🧺 Diversification and correlation: how many eggs, how many basketsIn 30 seconds: Diversification means spreading money across things that do not all move together, so one bad outcome cannot sink you. The key measure is…
🧠 Trading psychology: the biases that cost traders moneyIn 30 seconds: Most trading mistakes are not about missing information. They come from predictable habits of the human mind. People feel losses about twice…
📋 Writing a trading plan: a fill-in templateIn 30 seconds: A trading plan is a short written document that answers, in advance, every decision you would otherwise make in the heat of the moment: what…
🍌 The most common beginner mistakes, and what to do insteadIn 30 seconds: Beginners rarely lose money because they picked the wrong indicator. They lose because they trade without an exit, bet too much on one idea…
📉 Drawdowns and losing streaks: what normal bad luck looks likeIn 30 seconds: Every trading method has losing streaks, and they are longer than most people expect. With a 50% win rate, the chance of at least six losses…
⏱️ Day trading: in and out before the closeIn 30 seconds: A day trader opens and closes every position in the same trading day and holds nothing overnight. The old $25,000 "pattern day trader" minimum…
🌊 Swing trading: holding for days to weeksIn 30 seconds: Swing traders hold a stock for a few days to a few weeks to catch one "swing" in price. It needs less screen time than day trading and fewer…
🧭 Position trading and trend followingIn 30 seconds: Trend followers buy what is already rising (or short what is falling) and hold until the trend clearly ends, often for weeks or months. They…
🚀 Momentum trading: buying strengthIn 30 seconds: Momentum traders buy the stocks that have gone up the most compared with others, and avoid or short the ones that have done worst. Decades of…
🪀 Mean reversion: betting on the snap backIn 30 seconds: Mean reversion is the bet that a price that moved unusually far from its normal level will move back toward it. Traders buy short-term dips in…
📰 Trading news and eventsIn 30 seconds: Big news moves prices in seconds, and you are not the fastest reader. Scheduled events (earnings, Fed meetings, jobs and inflation reports)…
🏦 Margin: trading with borrowed moneyIn 30 seconds: A margin account lets you borrow from your broker to buy more stock than your cash covers. Under Regulation T you can borrow up to 50% of a…
🔻 Short selling: profiting from a fall, and its risksIn 30 seconds: Short selling is selling shares you borrowed, hoping to buy them back cheaper later. Your best case is the stock going to zero, so the most…
🚦 The rules every trader runs intoIn 30 seconds: In a cash account you must pay for a stock with settled money before you sell it, and trades settle one business day after the trade (T+1).…
🧾 Taxes for traders (US)In 30 seconds: Profits on investments held one year or less are taxed like wages, at up to 37% federally. Held more than a year, they get lower long-term…
🛡️ Scams and red flagsIn 30 seconds: Investment fraud was the costliest type of online crime reported to the FBI in 2025, with about $8.6 billion in reported losses. Most scams…
🎟️ What an option is: the right, but not the obligationIn 30 seconds: An option is a contract. The buyer pays a price, called the premium, and gets the right to buy (a call) or sell (a put) a stock at a fixed…
📞 Call options: buying and selling the right to buyIn 30 seconds: A call gives its buyer the right to buy 100 shares at the strike price until expiration. The buyer pays a premium and profits at expiration…
🛡️ Put options: the right to sell, as a bet or as insuranceIn 30 seconds: A put gives its buyer the right to sell 100 shares at the strike price until expiration. A put buyer profits at expiration if the stock ends…
🧾 Reading an options chain, column by columnIn 30 seconds: An options chain lists every call and put available on one underlying, grouped by expiration date, with strikes down the middle, calls on one…
⏳ What an option is worth: intrinsic value, time value and decayIn 30 seconds: An option's price has two parts. Intrinsic value is what it would be worth if exercised right now. Extrinsic value , mostly time value, is…
📬 Exercise, assignment and expiration dayIn 30 seconds: Exercising means using an option: buying (call) or selling (put) 100 shares at the strike. Assignment is the other side: the seller is picked…
🎛️ The Greeks: delta, gamma, theta, vega and rhoIn 30 seconds: The Greeks are sensitivity numbers. Delta : price change per $1 move in the stock. Gamma : how fast delta changes. Theta : value lost per day.…
🌊 Implied volatility: what the option price expectsIn 30 seconds: Volatility measures how much a price swings. Historical volatility is what the stock actually did. Implied volatility (IV) is the swing size…
🚦 Getting approved for options and understanding the risksIn 30 seconds: You cannot trade options just by opening a brokerage account. FINRA Rule 2360 requires your broker to collect facts about your finances and…
🧢 Covered calls: getting paid to put a ceiling on your stockIn 30 seconds: A covered call means you own 100 shares and sell one call option against them. You collect cash up front (the premium). In exchange, you agree…
🛞 Cash-secured puts and the wheelIn 30 seconds: Selling a cash-secured put means you agree to buy 100 shares at the strike price if the stock is below it at expiration, and you keep the full…
🛡️ Hedging with protective puts, collars and index putsIn 30 seconds: A protective put is a put you buy on a stock you own. It sets a floor: below the strike, every dollar the stock loses, the put gains. You pay…
🪜 Vertical spreads: bull and bear, debit and creditIn 30 seconds: A vertical spread is two options of the same type (both calls or both puts) with the same expiration and different strikes. You buy one and…
🦋 Iron condors and butterflies: betting on a quiet stockIn 30 seconds: An iron condor is a bull put spread plus a bear call spread on the same stock and expiration. You collect a credit and keep it all if the…
⚡ Straddles and strangles: trading the size of the moveIn 30 seconds: A long straddle is a call and a put at the same strike. A long strangle uses a higher call and a lower put. Both make money if the stock moves…
🗓️ Calendar and diagonal spreads: trading time itselfIn 30 seconds: A calendar spread sells an option that expires soon and buys the same strike further out. A diagonal does the same with different strikes. The…
🧮 How options are priced: Black-Scholes, binomial trees and put-call parityIn 30 seconds: An option's price depends on six things: the stock price, the strike, time to expiration, interest rates, dividends, and volatility. Five of…
🧯 Managing options risk: sizing, liquidity, 0DTE, assignment and rollingIn 30 seconds: Options can lose money faster than stocks, and some positions can lose more than you put in. The defenses are simple and boring: know the max…
🏛️ Index options: SPX, XSP and SPY, settlement and the 60/40 tax ruleIn 30 seconds: You can trade options on the whole S&P 500 in three main ways. SPX options are large, European style (exercise only at expiration) and settle…
🗄️ Reading SEC filings yourself: a practical route through EDGARIn 30 seconds: Every US public company has to file its numbers and its big news with the SEC, and anyone can read them free on EDGAR. The 10-K is the yearly…
🕵️ Insider and institutional ownership: Form 4, 13F, 13D and 13GIn 30 seconds: People who run a company, and investors who own big chunks of it, have to tell the public what they own and trade. Executives and directors…
🤝 Mergers, tender offers and spinoffs: what happens to your sharesIn 30 seconds: A corporate action is anything a company does that changes the shares you hold: a merger, a tender offer, a spinoff, a split, a rights…
🎯 How your order gets filled, and how to check you got a fair priceIn 30 seconds: When you send an order, your broker decides where it goes, and that choice decides the exact price you get. You can measure the result.…
🪙 Bonds, yields and what rising rates do to stocksIn 30 seconds: A bond pays fixed interest, so when market rates rise, existing bonds lose value, and the longer the bond, the bigger the drop. Bond yields…
🌍 International stocks, ADRs and currency riskIn 30 seconds: You can own foreign companies from a US account in three main ways: American Depositary Receipts (ADRs) that trade in dollars on US markets…
🫧 Bubbles and crashes: what market history teaches a traderIn 30 seconds: Market history repeats in patterns, not in details. Bubbles grow when a true story (a new technology, a booming economy) meets easy money and…
🌳 Dividend investing as a strategy: growth, safety and the trapsIn 30 seconds: Dividend investing means building a portfolio around companies that pay you cash regularly. There are two main styles: buying high current…
📅 Futures basics: contracts, margin and daily settlementIn 30 seconds: A futures contract is an agreement to buy or sell something at a set price on a set future date. Stock index futures like the Micro E-mini S&P…
⚖️ Leverage everywhere: margin, leveraged ETFs, options, futures, forexIn 30 seconds: Leverage means controlling more market exposure than the cash you put in. It shows up in margin accounts, leveraged ETFs, options, futures…
🤖 Systematic and algorithmic trading: rules, backtests and honest testingIn 30 seconds: A systematic trader follows written rules that say exactly when to buy, sell and how much. An algorithm is those rules turned into code. You…
🌱 A plan for a young person: an index core and a small trading satelliteIn 30 seconds: Put your money in order: a cash emergency fund first, then a "core" of low-cost, broad index funds that you add to every month and leave…
💼 Careers in the markets: jobs, licenses and how to start youngIn 30 seconds: Markets employ far more than traders. There are analysts who research companies, portfolio managers who run funds, quants who build models…
📖 Trading glossary A to ZIn 30 seconds: This page defines 189 words you will meet in this course and in any broker app, in one or two plain sentences each. Terms are grouped by first…
🧭 Keep learning: free resources, good books and a 12-week planIn 30 seconds: The best free trading education comes from regulators, exchanges and clearing organizations, not from social media. Investor.gov, FINRA, the…