Options Trading 101: Calls, Puts & Real Examples
Options are leveraged financial contracts giving you the right (not obligation) to buy or sell 100 shares of an asset at a fixed price before expiration. A $200 deposit can control $10,000 worth of stock, amplifying returns—but losses are real if you're wrong. Calls bet prices rise; puts bet they fall. Understanding strike prices, premiums, and in-the-money vs. out-of-the-money positions is essential before trading.
What Are Options Contracts?
Options Give You Leverage Without Full Capital
An options contract gives you the right (but not obligation) to buy or sell 100 shares of an underlying asset at a predetermined price before a set expiration date. You control 100 shares for a fraction of the actual stock cost, providing leverage in buying power.
The Contract Multiplier Explained
Every options contract is worth 100 shares. If you buy one call option contract at a $1 premium, you pay $100 total (1 dollar × 100 shares). This multiplier is built into all broker platforms but you must remember it when calculating costs and profits.
Options Expire; Stocks Don't
Unlike stocks, options contracts have a fixed expiration date. This time limit is why they're called contracts—you're locking in a price for a specific window (e.g., 30 days, 90 days). After expiration, the contract becomes worthless if not exercised.
Taylor Swift Ticket Analogy
Paying $10 today to reserve concert tickets at $100 (expiring in 30 days) mirrors options. If tickets rise to $150, you profit $40 (minus the $10 deposit). If they drop to $75, you lose only the $10 deposit, not the full $100. Your max loss is capped at the deposit; your upside is theoretically unlimited.
Call Options: Betting Prices Rise
What Is a Call Option?
A call option gives you the right to buy 100 shares at a strike price (agreed-upon price) before expiration. You are bullish—you expect the stock price to rise above the strike price. You pay a premium upfront for this right.
Strike Price and Premium Relationship
Strike prices further out-of-the-money (higher than current stock price) are cheaper because they're less likely to be profitable. Strike prices closer to or below the current price are more expensive. The premium you pay reflects the probability of profit.
Call Option Real-World Example
Stock trading at $100; you buy a $15 strike call for $1 premium ($100 total). Stock rises to $107 by day 25. You sell the contract for $200, netting $100 profit (200 minus 100 premium paid) for a 100% return in under 30 days—versus only 7% if you'd bought the stock outright.
In-the-Money vs. Out-of-the-Money
A call is in-the-money (ITM) when stock price is above the strike price—you can buy at a discount. It's out-of-the-money (OTM) when stock price is below the strike price—exercising loses money. At-the-money (ATM) is when they're equal, called purgatory because there's no clear profit direction.
Break-Even Price on Calls
Break-even is the strike price plus the premium paid. If you buy a $15 strike call for $1 premium, break-even is $16. Profit only happens if the stock closes above $16 at or before expiration.
Two Choices at Expiration
You can exercise the call (buy 100 shares at strike price, requiring significant capital) or sell the contract to the market. Most traders sell the contract instead of exercising because it requires less capital and lets you lock in profits without holding the stock.
Letting a Call Expire Worthless
If the stock price stays below your break-even at expiration, you don't exercise. The contract expires worthless and you lose the entire premium paid. This is a loss, but your downside is capped at that premium.
Put Options: Betting Prices Fall
What Is a Put Option?
A put option gives you the right to sell 100 shares at a strike price before expiration. You are bearish—you expect the stock price to fall below the strike price. You pay a premium upfront. Importantly, you don't need to own the stock to buy a put; you're just buying the right to sell at that price.
Put Options Are the Upside-Down Version
Puts work exactly like calls but reversed. With calls, profit comes from stock rising above strike; with puts, profit comes from stock falling below strike. The terminology flips: in-the-money for a put means stock is below the strike price.
Put Option Real-World Example
Stock at $100; you buy a $90 strike put for $0.75 premium ($75 total). Stock drops to $85 by day 15. You exercise and sell at $90, netting $500 profit (90 minus 85 × 100 shares), minus $75 premium = $425 total profit. This profit happens even though the market declined.
Put Options Reduce Liability vs. Owning Stock
If you own a stock and it crashes to zero, you lose everything. If you buy a put option, your maximum loss is capped at the premium paid. This makes puts a powerful risk-management tool in declining markets.
Break-Even Price on Puts
Break-even is the strike price minus the premium paid. If you buy a $90 strike put for $0.75 premium, break-even is $89.25. Profit only happens if the stock closes below $89.25 at or before expiration.
Buying vs. Selling Options
Buying Call Options: Bull Strategy
When buying a call, you pay the premium upfront, you are bullish (expect price to rise), and your maximum loss is limited to the premium paid. Your maximum profit is theoretically unlimited because there's no ceiling on how high a stock can go.
Selling Call Options: Bear Strategy
When selling a call, you receive the premium upfront, you are bearish (expect price to stay flat or fall), and your maximum profit is limited to the premium received. Your maximum loss is potentially unlimited if the stock price skyrockets.
Buying Put Options: Bear Strategy
When buying a put, you pay the premium upfront, you are bearish (expect price to fall), and your maximum loss is limited to the premium paid. Your maximum profit is theoretically unlimited because a stock can fall to zero.
Selling Put Options: High-Risk Strategy
When selling a put, you receive the premium upfront but you are obligated to buy 100 shares if the buyer exercises the contract. Your maximum loss is unlimited because you must buy the stock at the strike price no matter how low it falls. This is where many traders get into serious trouble.
Quick Cheat Sheet: Call Options
Buying calls: you're bullish, pay premium upfront, max profit unlimited, max loss = premium. Selling calls: you're bearish, receive premium upfront, max profit = premium, max loss unlimited.
Quick Cheat Sheet: Put Options
Buying puts: you're bearish, pay premium upfront, max profit unlimited, max loss = premium. Selling puts: you're bullish, receive premium upfront, max profit = premium, max loss unlimited (you must buy stock if exercised).
Key Terminology Review
Core Concepts Recap
Options contracts have an expiration date and require selecting a strike price where you expect the asset price to move. Each contract controls 100 shares (contract multiplier) at a fraction of the stock's cost (leverage). The price you pay upfront is the premium. Calls are bullish; puts are bearish.
In-the-Money, Out-of-the-Money, At-the-Money
For calls: ITM = stock above strike, OTM = stock below strike. For puts: ITM = stock below strike, OTM = stock above strike. ATM = stock near strike (purgatory). These positions determine whether exercising makes sense and how much profit or loss you have.
Bull vs. Bear Terminology
Bullish means you expect prices to rise; bearish means you expect prices to fall or stay flat. Buying calls makes you a bull; buying puts makes you a bear. This terminology applies to your market outlook, not the option type itself.
Practical Demo on Public.com
How to View Options on a Broker Platform
On public.com, you select the stock (e.g., Tesla), choose Buy or Sell, select Call or Put, pick an expiration date (e.g., 90 days), and the platform displays a list of strike prices with their premiums (asking prices). The interface shows break-even prices and graphs to visualize profit/loss at different stock prices.
Understanding the Order Breakdown
When you click on a strike price, the broker shows: the bid-ask spread, the premium per share, the contract quantity (always 1 = 100 shares), the total order cost (premium × 100), a graph of break-even and max loss, and an interactive slider to see profit/loss at different stock prices.
Public.com Rebate Model
Public offers a rebate of 6 to 18 cents per contract traded depending on your prior month's trading volume. There are no commissions or per-contract fees for options trading. For frequent traders, this can save hundreds of dollars monthly.
Risk Warning & Suitability
Options Trading Is Not for Everyone
Options trading is meant for higher-level investors who truly understand the risks, can separate emotions from logic, and have the discipline to manage positions. If you have a personality prone to gambling or emotional decision-making, options trading will likely cost you money.
Leverage Amplifies Both Gains and Losses
While options can turn a $200 investment into $100 profit (50% return), they can also turn it into a $200 loss just as quickly. The leverage that makes options attractive is the same mechanism that makes them dangerous if you don't manage risk carefully.
Notable quotes
The power of trading options contracts is leverage: $200 on 100 stocks leveraged yields 50% return vs. $5,000 for 1% stock return. — Brian (BWB)
Options trading is meant for higher-level investors who understand risks and can separate emotions from logic. — Brian (BWB)
A single option contract consists of 100 shares of an asset; this contract multiplier is always worth 100 shares. — Brian (BWB)
Action items
- Verify whether your IRA or brokerage account allows options trading and what approval level you need.
- Open a demo or paper trading account on a broker like Public to practice buying and selling calls and puts without real money.
- Study the Greeks (delta, gamma, theta, vega) in a follow-up video or course before trading real options.
- Create a risk management plan: decide your max loss per trade and stick to it.
- Paper trade at least 5-10 options trades to understand how strike prices, premiums, and expiration affect profit/loss before risking real capital.