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Trading and market mechanics
43- Pre-Market and After-Hours Trading: Sessions, Quotes, and Execution
- Market Orders vs. Limit Orders
- Going Long vs. Selling Short
- US Stock Market Hours: Core, Pre-Market, and After-Hours
- What Is the Bid-Ask Spread?
- Trading Volume vs. Liquidity
- How Margin Accounts Work
- Frequent Intraday Trading and the Former PDT Rule
- Ticker Symbols: Identifying the Issuer, Security, and Trading Venue
- T+1 Settlement: Trade Date, Delivery, Cash, and Account Controls
- Stop-Limit Orders: Trigger Rules, Price Protection, and Non-Execution Risk
- Order Books and Level 2: Visible Depth, Queue Priority, and Slippage
- Market Maker: Who Provides Immediate Liquidity in U.S. Stocks
- Slippage: Measuring the Gap Between a Trading Decision and Execution
- Partial Fills: Why Only Part of an Order Executes
- Day Orders vs. GTC Orders: How Long an Order Stays Active
- Short Squeezes: Forced Buying, Borrow Constraints, and Reversal Risk
- Circuit Breakers and Trading Halts in U.S. Stocks
- Delisting: What Happens When a Stock Leaves an Exchange
- IPO: What Happens When a Company Goes Public
- Direct Listing: Going Public Without a Traditional IPO Allocation
- SPACs: Trust Accounts, Redemptions, De-SPAC Transactions, and Dilution
- American Depositary Receipts: Ratios, Programs, and Foreign-Market Risk
- Interest Coverage Ratio: Can Operating Profit Cover Interest Expense?
- Short Interest: Reported Positions, Ratios, and Squeeze Risk
- How Stock Borrow Fees Work
- Stock Float: Tradable Shares, Public Float, and Liquidity Limits
- Opening and Closing Auctions: Reconstruct Price, Priority, and Fill Risk
- Overnight Stock Trading: Audit Venue, Session, Liquidity, and Execution
- Payment for Order Flow: Audit Routing Incentives and Execution Quality
- Customer Acquisition Cost: Definition, Cohorts, Payback, and Value
- Dark Pools and ATSs: Structure, Execution Quality, and Due Diligence
- Form 4: How to Read Insider Transaction Filings
- IOC and FOK Orders: Immediate Execution and Cancellation Rules
- Shares Outstanding: Reconcile Legal, EPS, Float, and Valuation Counts
- Piotroski F-Score: Rebuild the Original Nine Signals
- Insider Trading: Illegal MNPI Misuse and Reported Insider Transactions
- Fama-French Factor Model: Exposures, Alpha, and Regression Limits
- Internal Rate of Return: Calculate and Interpret IRR Correctly
- M2 Money Supply: Reconcile the Measure Before Reading Markets
- Pecking Order Theory: Audit Financing Hierarchy and Constraints
- Triple Witching: Contract Expiration, Position Rolls, and Auction Flows
- Days Sales Outstanding: Definitions, Comparability, and Cash-Flow Analysis
Portfolio and risk management
37- Stop-Loss Planning: Exit Rules, Order Choice, and Execution
- Guidance: How Company Outlook Updates Shape Expectations
- Trailing Stops: Reference Prices, Trail Distance, and Execution Risk
- OTC Stocks: Disclosure, Quotation, Liquidity, and Delisting Risk
- Beta: Market Sensitivity, Portfolio Risk, and Estimation Limits
- Diversification Explained
- Dollar-Cost Averaging: Investing a Fixed Amount on a Schedule
- Financial Leverage: ROE Amplification, Coverage, and Solvency Risk
- 52-Week High and Low: Range, Breadth, and Interpretation
- Take-Profit Planning: Decision Rules, Orders, and Portfolio Rebalancing
- Volatility: Measurement, Forecasts, Option-Implied Surfaces, and Product Risk
- Drawdown Rebalancing Plan: Measurement, Triggers, and Execution
- Capital Allocation: How Management Turns Resources Into Per-Share Value
- Altman Z-Score: Financial Distress Formula and Limits
- Beneish M-Score: Earnings Manipulation Screening, Not Proof
- ETF Rebalance Impact: Flow Estimates, Auctions, and Price Pressure
- Sharpe Ratio: Excess Return, Volatility, Annualization, and Inference
- Adverse Selection and Moral Hazard: Information Problems in Stock Investing
- CAPM: Beta, Expected Return, and the Cost of Equity
- Equity Risk Premium: Historical, Required, and Implied Estimates
- NYSE vs. Nasdaq: Separate Listing, Execution, Auctions, and Indexes
- Corporate Spin-Offs: Distribution Rights, Standalone Claims, and Valuation
- Terminal Value: Stable-State Cash Flow, Timing, and Claim Reconciliation
- Low-Volatility Factor: Measure, Build, and Audit Defensive Portfolios
- Dual-Class Shares: Voting Control, Conversion, and Governance
- Efficient Market Hypothesis: Forms, Tests, and Practical Limits
- Guidance Revision Trading Plan: Expectations, Scenarios, and Risk
- Intangible Assets: Recognition, Amortization, and Impairment
- Momentum Factor: Build and Audit a Relative-Strength Strategy
- Treynor Ratio: Excess Return, Estimated Beta, and Comparable Risk Units
- Analyst Estimate Revisions: A Checklist for Reading Upgrades and Downgrades
- Customer Concentration Risk: Disclosure, Economics, and Valuation
- Stock Position Sizing: Constrain Scenario Loss and Total Exposure
- Relative-Strength Watchlists: Point-in-Time Ranking and Research Controls
- Stop-Loss Gap Risk: Triggers, Execution, Position Size, and Protection
- Portfolio Drift and Rebalancing: Restore a Defined Risk Allocation
- Portfolio Turnover and Trading Cost: Reconcile Activity to Net Return
Funds, bonds, and asset classes
40- Market Index: How Stock Benchmarks Summarize a Market
- How Exchange-Traded Funds Work
- Leveraged ETFs: Daily Multiples, Compounding, and Path Risk
- VIX Index: 30-Day Implied Variance, Term Structure, and Product Risk
- What Common Stock Ownership Means
- Preferred Stock: Dividend Priority, Calls, Conversion, and Loss Risk
- Bond ETFs: How Rates, Duration, Yield, and NAV Fit Together
- Bond Duration: Interest Rate Sensitivity in Plain Terms
- How the S&P 500 Index Works
- How the Nasdaq-100 Index Works
- How Index Funds Track a Benchmark
- Growth vs. Value Stocks: Two Common Equity Style Buckets
- Money Market Fund: Parking Cash Without Treating It Like a Bank Deposit
- Treasury Bills: Discount Pricing, Yield, Auctions, and Cash Planning
- Treasury Bonds: Coupons, Auction Pricing, Duration, and Long-Term Rate Risk
- REITs: Qualification, Property Cash Flow, Leverage, and Valuation
- REIT ETFs: Index Exposure, Property Economics, and Fund Mechanics
- Inverse ETF: Daily Reset, Compounding, and Hedge Risk
- Commodity ETFs and ETPs: Spot, Futures Roll, and Tracking Risk
- Thematic ETFs: Mandate, Look-Through Exposure, and Implementation
- Mutual Fund: Audit NAV, Orders, Fees, Distributions, and Share Classes
- Closed-End Funds: Discounts, Distributions, and Leverage Risk
- Equal-Weight Index: Construction, Rebalancing, and Hidden Exposures
- Tracking Error: Active-Return Variability, Annualization, and Fund Layers
- Diluted Share Count Reconciliation: From Period-End Shares to Diluted EPS
- Annual Shareholder Meeting: Proxy Voting, Record Dates, and Governance
- Convertible Bonds: Valuation, Conversion Terms, and Dilution
- U.S. Dollar Index: DXY Construction, Exposures, and Analytical Limits
- Residual Income Valuation: Clean-Surplus Equity Analysis
- Russell 2000 Index: Membership, Float Weighting, and Reconstitution
- Index Weighting: Constituent Influence, Drift, and Rebalancing
- Monetary Policy Transmission: Trace Fed Policy into Equity Value
- Bond Convexity: Why Duration Is Not Enough
- Depositary Receipts: Structure, Parity, Rights, Fees, and Risk
- Dow Jones Industrial Average: Price Weighting, Divisor, and Return
- Fisher Equation: Exact Real Returns, Expectations, and Breakevens
- LTV/CAC: Reconstruct and Audit Subscription Unit Economics
- Quality Factor: Profitability, Safety, Growth, and Accounting Evidence
- U.S. Stocks, Bonds, and Derivatives: Claims, Counterparties, Clearing, and Settlement
- Shareholder Voting Rights: Ownership Chains, Ballot Denominators, and Control
Macro cycles and market indicators
36- What Market Capitalization Measures
- Earnings per Share (EPS) Explained
- Stock Splits: Share, Price, EPS, Cost-Basis, and Option Adjustments
- Gross Margin: What Revenue Keeps After Direct Costs
- Share Dilution: Ownership, EPS, and the Fully Diluted Share Count
- Current Ratio: Short-Term Liquidity and Its Limits
- Fed Meeting: Why FOMC Decisions Move Stocks
- CPI Inflation: Why Price Data Moves Stocks
- Net Profit Margin: Formula, Drivers, and Comparison Traps
- Cash Conversion Cycle: How Long Cash Is Tied Up in Operations
- Economic Moat: How Competitive Advantage Shows Up in Returns
- Cyclical vs. Defensive Stocks: Economic Sensitivity and Sector Rotation
- Yield Curve: Par, Zero, Forward, Shape, and Valuation Mapping
- Credit Ratings: Scales, Outlooks, Downgrades, Spreads, and Equity Impact
- Interest Rates and Stocks: Transmission, Valuation, Debt, and Sector Effects
- Nonfarm Payrolls: Reading Jobs, Wages, Revisions, and Market Reactions
- Value Traps: When Low Multiples Hide Deteriorating Fundamentals
- Bull and Bear Markets: Labels, Measurement, and Portfolio Discipline
- Blue-Chip Stock: Quality Label, Not a Risk-Free Investment
- Advance-Decline Line: Market Breadth, Divergence, and Limits
- Market Breadth: Define, Calculate, and Audit Participation
- Risk-On and Risk-Off: A Cross-Asset Regime Diagnostic
- Annual Recurring Revenue: ARR, Subscription Quality, and Disclosure Risk
- Market Correction: Measure Drawdowns and Plan for Stress
- Quantitative Easing: Balance-Sheet Mechanics and Market Transmission
- Quantitative Tightening: Balance-Sheet Runoff, Reserves, and Markets
- Real Interest Rates: Fisher Consistency, TIPS, and Valuation
- Rule of 40: Comparable Growth, Margin, Cash Flow, and Dilution
- Arbitrage Pricing Theory: Multi-Factor Expected Returns
- Credit Spreads: Measurement, Equity Transmission, and Valuation
- Future Value: How Compounding Grows Money Over Time
- Liquidity Preference Theory: Money Demand, Cash Motives, and Opportunity Cost
- Merger and Acquisition: Reconstruct an Announced Deal
- Sustainable Growth Rate: Equity, Retention, and Financing Capacity
- Unit Economics: Cohort Contribution, CAC, LTV, and Cash Payback
- WACC: Claim-Matched Weighted Average Cost of Capital
Financial statements and operations
42- How to Read an Earnings Report
- How to Read a Form 10-K
- Revenue vs. Profit: How to Read Both
- Operating Cash Flow: Reconciling Profit, Working Capital, and Cash
- Free Cash Flow (FCF) Explained
- How to Read a Balance Sheet
- Debt-to-Equity Ratio: Leverage, Capital Structure, and Risk
- How to Read an Income Statement
- How to Read a Cash Flow Statement
- Return on Equity (ROE) Explained
- Return on Invested Capital (ROIC) Explained
- EBITDA: Earnings Before Interest, Taxes, Depreciation, and Amortization
- Earnings Call: Why Management Q&A Matters
- Margin Call: When Broker Collateral Falls Short
- Accounts Receivable: Collection Quality, Allowances, and DSO
- Capital Expenditure (CapEx): What It Means in Financial Statements
- Deferred Revenue: Why Cash Collected Is Not Always Revenue
- Operating Margin: Reading Core Profitability Without Losing the Cost Bridge
- Earnings Quality: When Profit Is Supported by Cash
- Inventory Turnover: How Fast a Company Sells Through Stock
- Form 10-Q: How to Read a US Company's Quarterly Filing
- Form 8-K: How to Read Current Reports for Material Events
- Margin of Safety: Price Buffer Against Valuation Error
- Working Capital: Accounting Perimeter, Cash-Flow Bridge, and Operating Efficiency
- Earnings Season: Expectations, Reporting Breadth, and Aggregation
- Cash Flow Red Flags: A Practical Financial Statement Checklist
- Earnings Bridge Analysis: Revenue, Margin, Net Income, and EPS
- Earnings Call Question Checklist: Evidence, Guidance, and Follow-Up
- Form 13F: How to Read Institutional Holdings Reports
- Business Segments: Reporting Boundaries, Reconciliation, and Valuation
- Bookings and Backlog: Orders Are Not Revenue
- DuPont Analysis: ROE Drivers, Five-Step Bridge, and Limits
- Goodwill: Acquisition Accounting, Impairment, and Return Analysis
- Net Revenue Retention: Rebuild the Cohort and Revenue Bridge
- Operating Leverage: Rebuild Cost Behavior and Profit Sensitivity
- Segment Margin Analysis: CODM Measures, Reconciliation, and Mix
- Same-Store Sales: Cohort Definition, Revenue Bridge, and Unit Economics
- Normalized Earnings: Build an Auditable Reported-to-Recurring Bridge
- Balance Sheet Stress Test: Cash, Debt Maturities, and Survival Risk
- CapEx ROI Analysis: When Capital Spending Creates Value
- Earnings Gap Trading Plan: Measurement, Execution, and Loss Control
- Revenue Recognition Red Flags: Contract-Level Evidence
Valuation and shareholder returns
37- Price-to-Earnings Ratio (P/E) Explained
- Dividend Yield Explained
- Stock Buybacks: Authorization, Actual Repurchases, EPS, and Capital Allocation
- Discounted Cash Flow: Valuing a Company From Future Cash Flows
- Enterprise Value: Market Cap Plus Net Debt
- EV/EBITDA: Enterprise Value Divided by EBITDA
- Ex-Dividend Date: Who Gets the Next Dividend?
- Stock-Based Compensation: Accounting Expense, Cash Flow Add-Back, and Dilution
- Dividends: How Companies Pay Cash to Shareholders
- Dividend Payout Ratio: Earnings and Cash-Flow Coverage
- Price-to-Book Ratio (P/B) Explained
- PEG Ratio: Relating P/E to Earnings Growth
- Price-to-Sales Ratio: Revenue Multiples, Margins, and Capital Structure
- Buyback Quality Checklist: Price, Dilution, Funding, and Per-Share Value
- Debt Maturity Wall Analysis: Liquidity, Refinancing, and Equity Risk
- Agency Problem: Incentives, Monitoring, and Shareholder Cost
- Comparable Company Analysis: Peers, Multiples, and the Equity Bridge
- Cost of Equity: Estimation, Cash-Flow Matching, and Valuation
- Discount Rate: Matching Required Return to Cash Flow
- Earnings Yield: Formula, P/E Link, and Comparison Limits
- Intrinsic Value: Build and Audit a Per-Share Valuation
- Owner Earnings: Reconcile Sustainable Cash to Common Owners
- Net Present Value: Build and Audit an Incremental Cash-Flow Decision
- Present Value: Discount Cash Flows on a Consistent Basis
- Proxy Statements: Reading Votes, Control, Pay, and Governance
- Shareholder Yield: Cash Payout, Share Shrinkage, and Debt Reduction
- Reverse DCF: Market-Implied Operating Expectations
- Return on Assets: Scope, Time Weighting, and Operating Interpretation
- Dividend Discount Model: Valuing Common Equity From Future Dividends
- Fiscal Year: Calendar Alignment, 52/53 Weeks, and Comparability
- Dividend Irrelevance Theory: Assumptions, Wealth Bridges, and Real-World Limits
- Jensen's Alpha: Estimate and Interpret a CAPM Regression Intercept
- Oil-Price Impact: Trace the Shock into Cash Flow and Valuation
- Shareholders: Legal Holder, Beneficial Owner, Voting, and Economic Rights
- Sum-of-the-Parts Valuation: Segment Perimeters, Claims, and Equity Bridge
- Term Premium: Models, Curve Conventions, and Valuation Transmission
- Unit Investment Trusts: Legal Structure, Portfolio Life, Redemption, and Termination
Corporate events and disclosures
17- Analyst Ratings: Buy, Hold, Sell, and Target Prices
- Quick Ratio: Testing Near-Term Liquidity Beyond Inventory
- Sector ETFs: Classification, Look-Through Exposure, and Trading
- SEC Filings: Registrants, Forms, Exhibits, XBRL, and Version Control
- Accrual Ratio: Linking Earnings to Cash Flow
- Futures: Standardized Contracts for Exposure and Hedging
- Sector Rotation: Point-in-Time Leadership, Drivers, and Portfolio Use
- Sortino Ratio: Target Return, Downside Deviation, and Reliable Comparison
- Rights Offerings: Subscription Rights, TERP, Dilution, and Execution
- Capital Market Line (CML): Expected Return and Efficient Portfolio Risk
- Information Ratio: Active Return, Tracking Error, and Reliability
- Modigliani-Miller Theorem: Audit Capital-Structure Assumptions
- Security Market Line: CAPM Benchmark, Estimation, and Valuation Use
- Time Value of Money: Dated Cash Flows, Rate Conventions, and Consistent Valuation
- Management Incentive Analysis: Reconstruct Executive Pay and Outcomes
- Earnings Preannouncement: Preliminary Results, Guidance, and Reconciliation
- Shelf Registration Offerings: Capacity, Takedowns, Sales, and Dilution