📄️ What Happens When You Click Buy
What happens when you buy a stock — the complete invisible journey from your screen to settlement, from order placement through matching and clearing.
📄️ Your Broker as Intermediary
How brokers route orders and act as intermediaries between you and exchanges — the gatekeeping roles, incentives, and regulatory duties that shape your execution quality.
📄️ Order Routing, Explained
Order routing explained — how brokers decide where orders go, the venues involved, the algorithms that optimize it, and why routing decisions cost you money.
📄️ Payment for Order Flow (PFOF)
Payment for order flow explained — how market makers pay brokers for retail order access, the costs to you, regulatory scrutiny, and whether PFOF helps or harms retail traders.
📄️ The Best-Execution Rule
The best-execution rule explained — the SEC and FINRA regulation requiring brokers to execute orders at reasonably favorable terms and how this rule governs routing decisions.
📄️ From Broker to Exchange
From broker to exchange routing explained — the technical journey of orders from your broker's systems through networks to exchange matching engines and back to settlement.
📄️ The Matching Engine
How electronic exchanges match buyers and sellers through sophisticated algorithms, matching engine rules, and order types to execute trades in milliseconds.
📄️ Trade Confirmation Flow
How trade confirmations travel from the exchange matching engine through clearinghouses to brokers, ensuring both parties have agreed records of executed trades.
📄️ Clearing and Settlement Overview
How trades move from execution through clearing verification to final settlement where cash and securities are delivered, completing the lifecycle of a trade.
📄️ DTCC and the Market Plumbing
How the DTCC and its subsidiaries operate the central infrastructure for clearing, settlement, and custody that enables trillions in annual market volume.
📄️ Cash vs Margin Account Flow
How cash accounts and margin accounts process trades differently, from settlement timelines to buying power rules and regulatory restrictions.
📄️ Fractional-Share Mechanics
How fractional shares are created, traded, and settled through brokers and custodians, enabling retail investors to own partial shares of expensive stocks.
📄️ Extended-Hours Routing
How orders are routed through after-hours and pre-market sessions, venue selection, and what traders need to know about extended-hours execution.
📄️ Cancellations and Modifications
How to cancel orders, modify prices or quantities, timing challenges, and why your changes might fail or arrive too late to execute.
📄️ Rejected Orders — and Why
Why orders get rejected at the exchange, broker, and regulatory levels, common rejection codes, and how to prevent them from happening.
📄️ Execution-Quality Metrics
How execution quality is measured, metrics that matter, and how to evaluate whether your broker is giving you best execution.
📄️ Trade Confirmations and Statements
Understanding trade confirmations, brokerage statements, settlement procedures, and how to verify that your executions are correct.
📄️ Common Trade-Flow Mistakes
The most frequent errors traders make across the entire lifecycle of a trade, from submission through settlement and confirmation.