Call and put options are the two building blocks of every options strategy. A call profits when a stock rises; a put profits when a stock falls. Each can be bought for leveraged directional exposure or sold for income and obligation. The fastest way to understand them is to walk through real examples with actual numbers on the same underlying stock.
This guide uses one fictional large-cap stock, XYZ at $150, and runs four basic trades: a long call, a long put, a covered call, and a cash-secured put. By keeping the underlying constant, you can compare exactly how direction, capital, and risk change between calls and puts.
Quick tool: If you want to model your own numbers, use the Long Call Option Calculator or the Cash-Secured Put Calculator before placing a trade.
The Setup: XYZ Corp at $150
All four examples below use the same starting point:
- Stock: XYZ Corp
- Current price: $150 per share
- Expiration: 30 days away
- Contract multiplier: 100 shares per option contract
We will use realistic but round premiums so the math is easy to follow. In a live options chain, the bid-ask spread, implied volatility, and Greeks would determine the exact price.
Example 1: Long Call (Bullish Bet)
A long call is the simplest bullish options trade. You pay a premium upfront for the right to buy 100 shares at the strike price.
Trade Details
- Action: Buy 1 XYZ $155 call
- Premium paid: $2.50 per share ($250 total)
- Outlook: Bullish — you believe XYZ will rise above $155
- Breakeven: $155 + $2.50 = $157.50
Outcomes at Expiration
| Stock Price | Call Value | Profit/Loss | Return |
|---|---|---|---|
| $150 | $0 | −$250 | −100% |
| $155 | $0 | −$250 | −100% |
| $157.50 | $2.50 | $0 | 0% |
| $165 | $10.00 | +$750 | +300% |
| $170 | $15.00 | +$1,250 | +500% |
Key Takeaway
The stock must rise more than 5% just to break even. Long calls offer unlimited upside, but the probability of profit is lower than it looks because the premium raises the breakeven. Time decay also works against you every day the stock does not move.
Example 2: Long Put (Bearish Bet or Insurance)
A long put is the mirror image of a long call. You pay premium for the right to sell 100 shares at the strike price. Traders buy puts either to speculate on a drop or to protect shares they already own.
Trade Details
- Action: Buy 1 XYZ $145 put
- Premium paid: $2.00 per share ($200 total)
- Outlook: Bearish — you believe XYZ will fall below $145
- Breakeven: $145 − $2.00 = $143.00
Outcomes at Expiration
| Stock Price | Put Value | Profit/Loss | Return |
|---|---|---|---|
| $150 | $0 | −$200 | −100% |
| $145 | $0 | −$200 | −100% |
| $143 | $2.00 | $0 | 0% |
| $135 | $10.00 | +$800 | +400% |
| $125 | $20.00 | +$1,800 | +900% |
Key Takeaway
A long put profits when the stock falls and caps your loss at the premium paid. If you already own 100 shares of XYZ, the $145 put acts as insurance: no matter how far the stock drops, you can still sell at $145.
Example 3: Cash-Secured Put (Income + Willingness to Buy)
Selling a cash-secured put flips the long put around. You collect premium and accept the obligation to buy 100 shares at the strike if the stock is below it at expiration.
Trade Details
- Action: Sell 1 XYZ $145 put
- Premium received: $2.00 per share ($200 total)
- Outlook: Bullish to neutral — you believe XYZ will stay above $145
- Cash required: $145 × 100 = $14,500
- Breakeven: $145 − $2.00 = $143.00
Outcomes at Expiration
| Stock Price | Result | Profit/Loss | Return on Cash |
|---|---|---|---|
| $150 | Put expires worthless | +$200 | +1.38% |
| $145 | Put expires worthless | +$200 | +1.38% |
| $143 | Assigned, breakeven | $0 | 0% |
| $135 | Assigned, net cost $143 | −$800 | −5.5% |
| $125 | Assigned, net cost $143 | −$1,800 | −12.4% |
Key Takeaway
You keep the $200 premium as long as XYZ stays above $145. If assigned, your effective cost basis is $143 per share — a discount to the original $150 price. The catch: you must want to own XYZ at that price, because a sharp drop can turn a small premium into a large unrealized stock loss.
Example 4: Covered Call (Income on Shares You Own)
A covered call combines 100 shares of stock with a short call. You collect premium, but if the stock rises above the strike, your shares are called away.
Trade Details
- Position: Own 100 shares of XYZ at $150 ($15,000 invested)
- Action: Sell 1 XYZ $155 call
- Premium received: $2.50 per share ($250 total)
- Outlook: Neutral to mildly bullish — you believe XYZ stays below $155
- Breakeven on shares: $150 − $2.50 = $147.50
Outcomes at Expiration
| Stock Price | Result | Profit/Loss | Return on Cost |
|---|---|---|---|
| $150 | Call expires worthless, keep shares | +$250 | +1.67% |
| $155 | Call expires worthless, keep shares | +$250 | +1.67% |
| $160 | Shares called away at $155 | +$750 | +5.0% |
| $170 | Shares called away at $155 | +$750 | +5.0% |
| $140 | Keep shares, premium offsets loss | −$750 | −5.0% |
Key Takeaway
The $155 call caps your upside at $750 total ($500 stock gain + $250 premium). You still face downside risk from the shares, but the premium provides a small cushion. Covered calls work best when you are happy to sell at the strike or you want income on a position you already plan to hold.
Call vs. Put: Side-by-Side Comparison
| Long Call | Long Put | Covered Call | Cash-Secured Put | |
|---|---|---|---|---|
| Direction | Bullish | Bearish | Neutral to mildly bullish | Bullish to neutral |
| Capital required | $250 | $200 | $15,000 (100 shares) | $14,500 |
| Max profit | Unlimited | Strike − premium (stock to zero) | Capped at strike gain + premium | Premium received |
| Max loss | Premium paid ($250) | Premium paid ($200) | Stock cost − premium | Strike − premium (if stock to zero) |
| Breakeven | $157.50 | $143.00 | $147.50 on shares | $143.00 |
| Time decay | Hurts you | Hurts you | Helps you | Helps you |
| Best for | High-conviction rallies | Downside speculation or insurance | Income on existing shares | Income or buying at a discount |
Notice that the long put and the cash-secured put share the same $143 breakeven. One is a bet against the stock; the other is a willingness to own it. The option contract is identical — only your role as buyer or seller changes the economics.
Buyer vs. Seller: Who Has the Edge?
Options buyers pay for the right to act later. Sellers collect premium and take on an obligation. Neither side always wins, but the probabilities differ.
Buying calls and puts is attractive when:
- You have a strong directional view with a catalyst.
- You want defined risk with leveraged upside.
- Implied volatility is low, making options cheap.
Selling calls and puts is attractive when:
- You want income from time decay.
- You are comfortable owning the stock (puts) or selling it (calls).
- Implied volatility is high, inflating the premium you collect.
A common beginner mistake is buying cheap, short-dated, out-of-the-money calls and puts as lottery tickets. Most expire worthless. If you are learning, defined-risk income strategies like covered calls and cash-secured puts usually teach better habits.
Risk Management Rules for Every Example
Even simple call and put trades need guardrails.
1. Size Positions by Risk, Not Premium
A $0.50 option costs only $50 per contract, but ten contracts still risk $500. Limit any single trade to 1–5% of your account.
2. Match Expiration to Your Thesis
- 30–45 DTE: Best balance of premium and time for the trade to work.
- 21 DTE: Common management point — close or roll to avoid gamma risk.
- 0–7 DTE: High theta but dangerous; only for experienced traders.
For more on timing, see Implied Volatility & Days to Expiry: Timing Your Entries.
3. Know Your Breakeven Before You Trade
A call buyer who ignores breakeven often wins on direction but loses on the trade. Always calculate the percentage move required to reach breakeven and compare it to the stock's typical range.
4. Only Sell Puts on Stocks You Want to Own
If XYZ drops to $100, the cash-secured put seller owns shares at a loss. That is fine if XYZ is a long-term holding; it is a disaster if you picked it only for the premium.
Frequently Asked Questions
What is the difference between a call option and a put option?
A call option gives the buyer the right to buy 100 shares at a strike price by expiration; it profits from rising prices. A put option gives the buyer the right to sell 100 shares at a strike price; it profits from falling prices. Sellers of each collect premium and take on the opposite obligation.
Can you give a simple call option example?
XYZ trades at $150. You buy a $155 call for $2.50 ($250 total). At expiration, if XYZ is at $165, the call is worth $10 per share ($1,000 total) and your profit is $750. If XYZ is at or below $155, you lose the $250 premium.
Can you give a simple put option example?
XYZ trades at $150. You buy a $145 put for $2.00 ($200 total). At expiration, if XYZ is at $135, the put is worth $10 per share ($1,000 total) and your profit is $800. If XYZ is at or above $145, you lose the $200 premium.
Is it better to buy or sell call and put options?
Buying is better for high-conviction directional moves with defined risk. Selling is better for income and strategies where you are willing to own or sell the stock. Most beginners fare better starting with defined-risk income strategies like covered calls and cash-secured puts.
What happens if I sell a call or put and it expires in the money?
A short call in the money obligates you to sell 100 shares at the strike. A short put in the money obligates you to buy 100 shares at the strike. Covered calls and cash-secured puts are designed with these outcomes in mind.
Related Articles
Beginner foundations:
- Options Trading for Dummies: Complete Beginner's Guide
- Options Trading Example: 5 Real Trades Walkthrough
- Options Greeks Explained Simply: Delta, Theta, Vega & Gamma
Call and put strategies:
- Cash-Secured Puts Playbook: DTE Optimization & Assignment Risk
- Covered Calls by Expiration: A Complete Timing Guide
- The Wheel Strategy: Complete DTE-Optimized Guide
- Protective Put Option: Complete Portfolio Insurance Guide
Tools and risk management:
- Long Call Option Calculator: Profit, Breakeven & Risk
- Cash-Secured Put Calculator: Optimize Your Put-Selling Strategy
- Options Position Sizing Calculator: How Much to Risk Per Trade
- Options Risk Management: Position Sizing & Loss Controls
Disclaimer: This guide is for educational purposes only. Options trading involves significant risk of loss. Always do your own research, understand the risks, and consider your risk tolerance before trading. Past performance does not guarantee future results. Consider consulting with a financial advisor before making investment decisions.
Last updated: July 4, 2026 by the Days to Expiry Trading Team.
Expertise: Written by the Days to Expiry Trading Team — Options Strategy Specialists with 10+ years of combined trading experience.
Frequently Asked Questions
Written by Days to Expiry Trading Team
The Days to Expiry trading team brings together experienced options traders and financial analysts dedicated to helping investors generate consistent income through proven options strategies.
Apply The Strategy