Options Basics
An option is a coupon for a price you might never use. Learn to read its payoff, split its premium into intrinsic and time value, and see exactly what moves it — from zero to your first strategies.
The grammar of options — calls and puts as the right, not the obligation, to trade at a fixed price. Payoff and profit diagrams, breakeven, intrinsic vs time value and moneyness, theta decay, the six inputs that drive a premium, and the first real strategies (covered call, protective put, spreads, straddles).
A stock either goes up or it doesn’t, and you own it or you don’t. Options blow that binary wide open: a contract giving you the right — but never the obligation — to buy or sell at a price you lock in today, before a deadline. That one twist bends the payoff into a hockey stick — and depending on which side you stand on, it’s the closest finance gets to buying insurance or buying a lottery ticket.
This topic builds the language from nothing:
- What an option is — calls vs puts, strike, premium, expiry, the holder who pays and the writer who gets paid.
- Payoff and profit diagrams — the napkin sketch every trader draws, where breakeven sits, and why one side’s gain is exactly the other’s loss.
- Intrinsic + time value — cracking the premium into its two parts, plus the vocabulary of moneyness (in, at, out of the money).
- Theta decay — how time value melts toward expiry, quietly working against every option buyer.
- The six inputs that move a premium — spot, strike, time, volatility, rates, dividends — and why volatility is the one traders obsess over.
- First real strategies — covered call, protective put, bull call spread, and straddle, so you can shape a payoff to a view instead of just betting up or down.
By the end you’ll read any option’s payoff and know what moves it — no Black–Scholes yet, just the ideas every pricing model exists to formalise.
In this topic
- 1 What an Option Actually Is The right, not the obligation, to trade at a fixed price. Calls vs puts, strike, premium, expiration, holder vs writer, American vs European, the contract multiplier, and why options exist at all. 9 min
- 2 Reading Payoff & Profit Diagrams The hockey-stick charts every options trader sketches. Long and short calls and puts at expiration, payoff vs profit, breakeven, capped vs unlimited gains and losses, and why the holder and writer are mirror images. 9 min
- 3 Moneyness, Intrinsic & Time Value Why a premium is intrinsic value plus time value. In-, at-, and out-of-the-money options, how the split shifts with moneyness, and theta — the time decay that melts an option's value as expiration nears. 9 min
- 4 What Moves an Option's Price The six inputs every pricing model takes: underlying price, strike, time to expiry, volatility, interest rates, and dividends. Which way each pushes a call vs a put, why volatility dominates, implied volatility, and put-call parity intuition. 9 min
- 5 Your First Option Strategies Combining legs to shape a payoff: the covered call for income, the protective put for insurance, the bull call spread to cap cost, and the long straddle to bet on a big move either way. Max gain, max loss, and breakevens for each. 9 min
- 6 Final Exam: The Options Gauntlet A graded, locked capstone exam across all of options basics — the contract, payoff and profit diagrams, moneyness and time value, theta decay, the six premium drivers, and the first strategies. 15 min
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