Options Fundamentals
Options give you the right — but not the obligation — to buy or sell an asset at a specific price before a specific date. These articles cover the basics: calls and puts, how premiums are determined, what intrinsic and time value mean, and how to read an options chain. Start here before diving into strategies.
Understanding Moneyness and Delta Exposure
Most options traders can define "in-the-money" and "out-of-the-money" on a quiz. Fewer can tell you their net delta exposure in equivalent shares at any given moment—and that gap is where the real ...
Options on ETFs vs. Single Stocks
Most options traders start with single-stock options—buying calls on a company they follow, selling puts on a name they'd like to own—and never question whether the underlying itself is costing the...
Option Chain Layout and Key Stats
Most traders open an option chain for the first time and see a wall of numbers—bid, ask, volume, open interest, delta, theta, implied volatility—with no clear sense of which columns matter and whic...
Risk Disclosures Required Before Trading
Every options trade you place passed through a regulatory gauntlet before your broker let you click "submit." Most traders skim the disclosures, click "I agree," and move on—then discover the hard ...
Open Interest and Volume Signals
Most options traders fixate on price direction and ignore the two signals that reveal what other participants are actually doing: open interest and volume. In 2025, US listed options hit 15.2 billi...
Option Contract Specifications: Strike, Expiry, Style
Every option contract you trade is defined by three specifications — strike price, expiration date, and exercise style — and misunderstanding any one of them can turn a sound thesis into an unexpec...
Intrinsic Value vs. Time Value
Every option you buy is a ticking clock. The premium you pay splits into two pieces—intrinsic value (what the option is worth right now) and time value (what you're paying for the possibility of mo...
Tax Considerations for Equity Options
Options traders obsess over delta, theta, and implied volatility—then lose a chunk of their edge to taxes they didn't plan for. The gap between short-term capital gains at up to 37% and long-term r...
Option Symbology on US Exchanges
Every options order you place passes through a 21-character symbol that encodes the underlying, expiration, direction, and strike price into a single machine-readable string. Misread one field and ...
Glossary: Options Fundamentals
Options trading has grown from 911 contracts on the CBOE's opening day in 1973 to 12.2 billion contracts cleared by the OCC in 2024—a fifth consecutive record year. Whether you're reading an option...
Mini, Weekly, and Quarterly Options Explained
Most traders start with standard monthly options — and then discover their option chain contains expirations every single day, plus end-of-quarter dates, plus contracts at wildly different sizes. C...
American vs. European Exercise Rights
Every option contract you trade carries a built-in rule about when you can exercise—and getting this wrong creates real portfolio damage. American-style options let you exercise on any business day...
LEAPS and Long-Dated Contracts
Long-dated options give you exposure to a stock's movement for one to three years while committing 10–30% of the capital you'd need to buy shares outright. The tradeoff: that premium erodes daily, ...
Physical vs. Cash Settlement Differences
Every options contract you trade will settle one of two ways: the underlying asset physically changes hands, or cash equal to the intrinsic value hits your account. The difference determines whethe...
Basic Option Pricing Drivers
Every option you buy or sell has a price driven by six measurable inputs—and most traders only pay attention to one or two of them. The result: you overpay for options in high-volatility environmen...
Reg T and Portfolio Margin Treatment
Margin rules determine how much capital your broker locks up on every options position—and most traders never examine the mechanics until a margin call forces the issue. Under Regulation T, a singl...
Corporate Action Adjustments to Options
When a company you hold options on announces a stock split, special dividend, or spin-off, your existing option contracts don't just sit there unchanged. The Options Clearing Corporation (OCC) step...
Assignment, Exercise, and Expiration Logistics
Every options position you hold faces one of three endings: exercise, assignment, or expiration. Misunderstanding the mechanics of any one of these creates real portfolio damage—unintended stock po...
Clearing and OCC Guarantees
Every options trade you execute depends on a promise you've probably never examined: that the other side will actually perform. If your counterparty disappears, your profitable position is worthles...
Call vs. Put Options: Payoffs and Use Cases
Options trading hit 4.6 billion contracts in 2025 across Cboe's four U.S. exchanges—the sixth consecutive record year (Cboe 2025 Volume Report). Yet roughly 30–35% of all option contracts expire wo...