Charles Schwab was born in an era when investing in the stock market was a luxury exclusively reserved for the wealthy. Before 1975, the Securities and Exchange Commission (SEC) mandated "fixed commissions" for stock trades. Regardless of which broker you used, you paid a significant, standardized fee to buy or sell shares, effectively locking the American middle class out of Wall Street. In May 1975 (known in the industry as "May Day"), the SEC finally deregulated commissions. Charles R. Schwab immediately seized the opportunity, launching a bare-bones "discount brokerage." He gutted the expensive research departments and aggressive salesmen typical of Wall Street, offering consumers a way to execute trades at a fraction of the traditional cost.
The Rise of the Registered Investment Advisor (RIA)
While Schwab initially grew by targeting individual "Do-It-Yourself" (DIY) retail investors, the company's most brilliant strategic pivot occurred in the 1990s when it targeted Registered Investment Advisors (RIAs). RIAs are independent financial advisors who manage money for wealthy clients. These advisors needed a secure, reliable "custodian" to actually hold the clients' stocks and execute the trades. Schwab built a significant technological platform (Schwab Advisor Services) specifically for these independent RIAs. Today Schwab is the largest custodian in the RIA industry. This B2B division provides Schwab with trillions of dollars in "sticky" assets, insulating the company from the chaotic, meme-stock volatility of the retail trading market.
The TD Ameritrade Megadeal
In 2019, the brokerage industry experienced a substantial structural shock when several major players, including Schwab, slashed their trading commissions to zero (reacting to the disruptive threat of Robinhood). Realizing that trading fees were permanently dead as a primary revenue source, Schwab recognized that prominent scale was the only way to survive. The company executed a colossal $26 billion acquisition of its primary rival, TD Ameritrade. The merger created an undisputed titan of retail finance, managing over $7 trillion in client assets, and allowing Schwab to slash operational costs and consolidate its dominance in both the retail and RIA markets.
The "Cash Sweep" Financial Engine
Because stock trades are free, a common misconception is that Schwab makes its money selling order flow (like Robinhood). In reality, Charles Schwab is primarily a bank. The core financial engine is the "cash sweep." When a customer sells a stock or deposits a paycheck into their Schwab account, that money often sits as uninvested cash. Schwab automatically "sweeps" that major pool of cash into its own banking subsidiary. Schwab pays the customer a very low interest rate on that cash, and then invests those billions of dollars into higher-yielding government bonds or mortgage-backed securities. The "Net Interest Income" (the difference between what Schwab earns on the bonds and what it pays the client) accounts for the vast majority of the company's total revenue.
The 2023 Banking Crisis
This formidable reliance on the "cash sweep" model exposed Schwab to intense scrutiny during the regional banking crisis of 2023 (which saw the collapse of Silicon Valley Bank). As the Federal Reserve raised interest rates, the bonds Schwab had purchased years earlier lost significant "paper" value. Simultaneously, Schwab's customers realized they could earn 5% by moving their uninvested cash out of Schwab's low-paying sweep accounts and into higher-yielding money market funds (a phenomenon known as "cash sorting"). This sudden drain of cheap funding forced Schwab to borrow money at higher rates to cover the outflows, severely squeezing its profit margins and highlighting the hidden risks of operating a major bank disguised as a discount brokerage.
