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Basics of Options - Calls and Puts

Basics of Options - Calls and Puts

Master options trading! This course teaches you how to buy calls and puts to profit from rising or falling stock prices.

Updated over 2 months ago

Introduction

Dive into the exciting world of options trading! Options are powerful tools that let investors profit from market moves and protect against risk. This introductory course focuses on the two core types of options: calls and puts.

  • Calls: A call option gives you the right, but not the obligation, to buy an asset at a set price (the strike price) by a certain date. Call buyers are betting the asset's price will go up. Call sellers are obligated to sell the asset if the buyer exercises their option.

  • Puts: A put option gives you the right, but not the obligation, to sell an asset at a set price (the strike price) by a certain date. Put buyers are betting the asset's price will go down. Put sellers are obligated to buy the asset if the buyer exercises their option.

Mastering calls and puts is key to successful options trading. This course will cover the essentials: what they are, how they're priced, and practical trading strategies. Whether you're brand new to options or looking to sharpen your skills, this course will empower you to confidently navigate the options market.

The Basics of Options

Options traders worldwide profit whether markets rise or fall. Even in down markets, opportunities exist if you know how to leverage options.

Options are powerful tools for informed investors. They offer the flexibility to profit regardless of market direction, with strategies ranging from conservative hedging to more aggressive approaches.

Options can be used to:

  • Gain exposure to stock price movements without owning the stock directly.

  • Generate monthly income from your existing stock holdings.

  • Protect your stock portfolio and profit from market downturns.

  • Mitigate losses and potentially profit when a stock's price declines.

At Share Navigator, we emphasize using options to reduce risk, not speculate. While some associate options with high risk, the truth is, with the right strategies, options can actually be less risky than owning shares outright.

No matter your investment goals, risk tolerance, or experience level, understanding the fundamentals of options is essential. This chapter covers the basics of option contracts. Contact us with any questions!

What is an Option?

In the stock market, an option is a contract that gives you the right, but not the obligation, to buy or sell an asset (like a stock) at a set price (the strike price) by a certain date (the expiration date). Options are derivatives—their value comes from the underlying asset. There are two main types: calls and puts.

  • Call Options: A call option lets you buy the asset at the strike price. You'd buy a call if you think the asset's price will go up. You profit if the price rises above the strike price, plus the cost of the option (the premium). For example, if you have a call option to buy ABC stock at $50, and the stock price rises to $60, you can buy at $50 and sell at $60, making a profit.

  • Put Options: A put option lets you sell the asset at the strike price. You'd buy a put if you think the asset's price will go down. You profit if the price falls below the strike price, minus the premium. For example, if you have a put option to sell XYZ stock at $60, and the price falls to $50, you can sell at $60, making a profit.

Here are some key option terms:

  • Premium: The price you pay for the option.

  • Expiration Date: The date the option expires.

  • Strike Price: The set price you can buy or sell the asset.

  • American vs. European: American options can be exercised anytime before expiration; European options only on the expiration date.

  • ITM, ATM, OTM: In-the-money options would be profitable to exercise immediately; at-the-money the strike price equals the market price; out-of-the-money they wouldn't be profitable to exercise immediately.

Options can be used for hedging, speculation, and generating income. They offer flexibility, but options trading is complex and riskier than stock investing. It's crucial to fully understand options and their risks before trading.

What is an Options contract?

Options Trade on an Exchange

  • Options trade on exchanges like stocks do. They have Buy (Ask) and Sell (Bid) prices. The exchange for the US stock market is the CBOE (The Chicago Board of Options Exchange).

  • Stocks and Shares are bought and sold in New York, Options on shares are bought and sold in Chicago.

Share Control

  • Options are bought and sold in 'Contracts'.

  • 1 Option contract controls 100 shares of stock.

Elements of an Option Contract

Let us look at the definition of an option again. An option is the right, not the obligation, to buy or sell a stock at a specific price on or before a specific date.

There are 3 key elements to an Options Contract:

  1. Strike Price - is the price at which you have the right to buy or sell the shares

  2. Expiry - The date on which the Option Contract ends

  3. Premium - The Price of the Option.

Everyday examples of an Option

Imagine buying a house with an option contract. You find your dream home but need time to secure financing. You want to lock in the property.

You could create a contract with the owner giving you the right, but not the obligation, to buy the house. This is similar to a call option.

Here's how it might work:

  • Strike Price: You agree to a purchase price of €250,000. This is the strike price.

  • Expiration Date: The contract is valid for 3 months, giving you time to get your financing.

  • Premium: The owner charges you €5,000 for this right. This is the premium. The premium amount depends on the time the property is off the market and how likely its value is to change.

If you can't get financing, you walk away, losing only the €5,000 premium.

Why would the owner agree? They keep the €5,000 premium regardless of whether the house sells, making some money upfront.

This house example helps illustrate how a call option works. Now, let's look at how this applies to stocks.

Basic example with a Call Option

Just like the house purchase example, a stock call option lets you control an asset without buying it outright. Let's say it's April, and you're bullish on Apple (currently at $100), but you'll have cash available in July. You want to lock in today's price. You buy an Apple call option.

Here's how it works:

  • Strike Price: You want the right to buy Apple at $100. This is the strike price. Strike prices are set by exchanges in standard increments.

  • Expiration Date: You choose the July 17th expiration date.

  • Premium: You pay $5 per share for this right. This is the premium.

So, your call option contract gives you the right to buy Apple at $100 until July 17th for a $5 premium.

Between now and July 17th, two things can happen:

  1. Apple goes up: If Apple rises above $100, you'll likely exercise your option, buying Apple at $100 from the option seller.

  2. Apple goes down: If Apple falls below $100, you won't exercise the option. You can buy Apple cheaper on the open market.

Exercising an option means using your right to buy (call) or sell (put) the underlying asset at the strike price.

How are Options Priced?

Options trade on exchanges just like stocks do. You have a bid and ask price for each Options, like stocks, are traded daily. Understanding how options are priced is crucial, so we recommend reviewing this section carefully.

The option premium is simply the price of the option. It's also the amount the option seller receives for taking on the contract's obligation.

In the U.S., one option contract typically controls 100 shares of the underlying stock. The quoted premium is per share. So, a July 30th call option quoted at $2 means one contract costs $200 (100 shares x $2/share = $200).

Basic Options Price Formula

We'll keep options pricing simple for this course. For those interested in the complex math, the Black-Scholes model is a great resource.

While many factors influence option premiums, two are key:

  1. Intrinsic Value (Real Value)

  2. Time Value (which includes Volatility)

So, the basic formula is:

Option Premium = Intrinsic Value + Time Value

While other elements exist, this simplified formula is a good starting point. Let's explore Intrinsic Value and Time Value in more detail.

Option Prices - In the Money, At the Money and Out of the Money

In options trading, "ITM," "OTM," and "ATM" describe the relationship between the stock price and the option's strike price. They help traders quickly assess an option's status and potential profit.

  • In The Money (ITM):

    • Call: The stock price is higher than the strike price. You could buy the stock cheaper than its current market value.

    • Put: The stock price is lower than the strike price. You could sell the stock for more than its current market value.

  • Out of The Money (OTM):

    • Call: The stock price is lower than the strike price. Buying the stock via the option would be more expensive than buying it directly. OTM calls have no intrinsic value.

    • Put: The stock price is higher than the strike price. Selling the stock via the option would be less profitable than selling it directly. OTM puts have no intrinsic value.

  • At The Money (ATM): The stock price is very close to the strike price. ATM options have minimal or no intrinsic value; their value mostly comes from time value. They're often used for hedging or neutral strategies, as they can become ITM or OTM depending on future price movement.

An option's ITM, OTM, or ATM status can change as the stock price moves. Traders use these terms to evaluate risk and potential profit. Each status has different implications for options strategies.

Intrinsic Value (Real Value)

Intrinsic value, also called real value, is the value an option has if it were exercised immediately and profitably. It only applies to in-the-money (ITM) options.

Calculating Intrinsic Value:

Intrinsic value is the difference between the stock price and the ITM strike price.

  • Call Options:

    • Example: Apple trades at $110. A call option has a $105 strike price. The intrinsic value is $5 ($110 - $105).

    • A call option with a $115 strike price (when Apple is at $110) has $0 intrinsic value because it's out-of-the-money (OTM).

  • Put Options:

    • Example: Apple trades at $110. A put option has a $115 strike price. The intrinsic value is $5 ($115 - $110).

    • A put option with a $105 strike price (when Apple is at $110) has $0 intrinsic value because it's OTM.

Understanding the difference between time value and intrinsic value is essential. Use this document and the course videos as resources.

Time Value (Extrinsic Value)

An option's time value (also called extrinsic value or premium) is the part of its price above its intrinsic value. It reflects the potential for the option to become more valuable before it expires.

Here's a breakdown:

  • Intrinsic Value: This is the option's value if exercised immediately. For a call, it's the stock price minus the strike price (if positive). For a put, it's the strike price minus the stock price (if positive).

  • Time Decay: As an option nears expiration, its time value decreases. This is called time decay, and it accelerates as expiration gets closer.

Factors Affecting Time Value:

  • Time to Expiration: Longer time until expiration = higher time value. More time means a greater chance for the option to become profitable.

  • Volatility: Higher volatility = higher time value. Volatile assets have a greater potential for large price swings.

  • Interest Rates: Higher interest rates generally increase call option time value and decrease put option time value.

  • Dividends: Dividends can reduce the time value of call options, as option holders don't receive dividends.

Time Value and Option Pricing:

  • Option Premium = Intrinsic Value + Time Value

  • If an option has no intrinsic value, its premium is its time value.

Trading Strategies:

  • Option sellers (writers) often profit from time decay, selling options hoping they expire worthless.

  • Option buyers may prefer options with longer expirations to minimize time decay if they expect a longer-term price move.

In short, time value represents the potential value of an option before expiration. It's influenced by time, volatility, interest rates, and dividends. Understanding time value is key for both buyers and sellers.

Volatility - Historical and Implied

A key factor in option pricing is the underlying stock's volatility – how much its price fluctuates. Greater price swings mean a higher chance the option will become in-the-money, increasing the option's price. In short, higher volatility usually leads to higher option premiums.

Options traders use two main types of volatility: historical volatility (HV) and implied volatility (IV). These metrics help assess expected price fluctuations and are vital for option pricing and trading strategies.

Historical Volatility (HV)

  • Historical volatility (HV) measures how much a stock's price has moved in the past. It's calculated using past price data and expressed as a percentage. HV shows historical price behavior but doesn't predict future volatility. A common calculation involves the standard deviation of daily returns. For example, a 2% standard deviation means the stock has typically moved up or down 2% daily over the measured period.

  • Implied volatility (IV), on the other hand, is a forward-looking measure of how much the market expects the stock price to fluctuate in the future. It's derived from current option prices and is a key input in option pricing models. High IV suggests the market anticipates large price swings, while low IV implies expectations of stability. Traders use IV to judge if options are expensive or cheap. High IV often means higher option premiums.

So, HV looks back, while IV looks forward. Traders often compare them. If IV is much higher than HV, options might be considered expensive. If IV is lower than HV, they might be seen as cheap. Both HV and IV are important tools for options traders.

IV (Implied Volatility) Rank

IV Rank helps you understand if an option's current implied volatility (IV) is high or low compared to its past. It's a percentage that shows where the current IV sits within its historical range (often a 52-week range).

Here's how it works:

  1. Find the current IV.

  2. Find the historical IV range (e.g., over the past year).

  3. Calculate where the current IV falls within that range, expressed as a percentage.

Interpreting IV Rank:

  • High IV Rank: Current IV is near the top of its historical range. Options are likely expensive, and the market expects high volatility. Traders might consider selling options.

  • Low IV Rank: Current IV is near the bottom of its range. Options might be cheap, and the market expects low volatility. Traders might consider buying options.

IV Rank helps traders see if IV is currently high or low historically. However, it's just one tool; use it with other analysis for informed trading decisions.

In short: IV reflects future volatility expectations, while IV Rank compares current IV to its past range, helping traders determine if options are relatively expensive or cheap. Both are key to managing risk and trading options effectively.

Option Prices with Examples

How to calculate Time Value

Rearranging that Formula you get:

Time Value = Option Price – Intrinsic Value

This is really important to get your head around as the Time Value in an option will largely dictate option strategies that you pick later on.

Option Pricing - Full Length Video Explanation

Test Your Knowledge - Quiz 1

CLICK HERE to test your knowledge.

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