An option is a contract that grants the right to buy or sell a particular financial product, known as the underlying instrument or underlying interest. For equity options, this underlying instrument can be a stock, an exchange-traded fund (ETF), or a stock index.
The options contract is highly specific, defining a precise strike price at which the option can be exercised. It also includes an expiration date, after which the option ceases to have any value and is considered null and void.
What are options and how do they work?
Options are financial derivatives that provide buyers with the right, but not the obligation, to buy or sell an underlying asset at a predetermined price and on a specified date.
Options come in two types: calls and puts, and you can choose to buy or sell either type based on your investment goals.
Options are categorized into classes based on the underlying instrument, and within each class, options are further divided into series according to their expiration month and strike price. Options trading allows for a range of strategies, from simple to complex, providing opportunities for both hedging and speculation.
The amount of the underlying asset exchanged upon exercising the option depends on the contract size. For most equity options, the standard contract size is 100 shares.
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The most significant feature of an options contract is its provision of the right, but not the obligation, to buy or sell an asset. This flexibility allows investors to take advantage of market movements without being compelled to execute the trade.
How do options calls and puts work?
A call option gives its owner the right to buy stock at a predetermined price, and it gains value as the stock price rises. Call options are popular among traders because they can rapidly increase in value with even a small rise in the stock price, making them an attractive choice for those seeking significant profits.
In contrast, a put option provides the holder with the right, but not the obligation, to sell the underlying stock at the strike price on or before the expiration date. A long put position benefits when the underlying asset’s price falls, as the value of the put option increases in response to a decrease in the stock price. This creates a short position in the underlying asset, as puts have a negative delta. Both call and put options offer various strategies and applications depending on market conditions and investment goals.
Call option buyers use them as a hedge to protect against potential declines in the value of their security or commodity. On the other hand, put option buyers use them to hedge against potential increases in the value of a security or commodity they hold.
How to buy and sell options?
When you buy a call option, you have the right to purchase the underlying asset at the strike price before or on the expiration date. Conversely, buying a put option gives you the right to sell the underlying asset at the strike price before or on expiration. As the holder of either option, you can also choose to sell the option to another buyer during its term or let it expire worthless.
In contrast, if you write or sell an option, you are obligated to fulfill the contract if the holder chooses to exercise it. For instance, if you sell a call option, you must sell the underlying asset at the strike price if assigned. Conversely, if you sell a put option, you are required to buy the underlying asset if assigned.
As a writer of options, you cannot control whether a contract is exercised; it can be exercised at any time until expiration. However, you can manage your risk by purchasing an offsetting contract to end your obligation and close out the position.
When you buy an option, the purchase price is referred to as the premium. If you sell an option, the premium is the amount you receive. The premium is not fixed and fluctuates continuously, so the price you pay today may be different from what it was yesterday or will be tomorrow. These fluctuations reflect the ongoing negotiation between buyers and sellers, with the premium representing the agreed-upon price for the transaction. Once a transaction is completed at this price, the process of pricing and negotiation starts anew.
When you buy options, you start with a net debit, meaning you’ve paid the premium upfront, which you might not recover if you don’t sell the option profitably or exercise it. To determine your net profit, you must subtract the premium cost from any income earned from the transaction.
In contrast, as a seller of options, you begin with a net credit because you collect the premium. If the option is not exercised, you retain the premium as profit. However, if the option is exercised, you still keep the premium but must fulfill the obligation to buy or sell the underlying stock if assigned.
How to understand options value?
The value of an options contract to a buyer or seller is determined by its likelihood of meeting their expectations, based on whether it is in-the-money or out-of-the-money at expiration. For a call option, it is in-the-money if the current market value of the underlying stock is above the option’s strike price, and out-of-the-money if it is below. Conversely, a put option is in-the-money if the stock’s market value is below the strike price and out-of-the-money if it is above. An option that is not in-the-money at expiration is considered worthless.
An option’s premium comprises two components: intrinsic value and time value. Intrinsic value represents the amount by which the option is in-the-money. Time value is the difference between the option’s premium and its intrinsic value. This value reflects the potential for the option to increase in value before expiration; thus, longer time frames generally increase time value.
The price of an option is influenced by various factors, similar to individual stocks. Broadly, these include overall market and economic conditions, while more specifically, the underlying instrument’s characteristics, its historical behavior, current performance, and its volatility are key factors. Investors use these elements to assess the likelihood of the option moving into the money.
What are the advantages and disadvantages of options?
Understanding the unique aspects of options is essential before trading them due to their distinct nature.
As mentioned earlier, call options give holders the right to purchase the underlying securities at the strike price before the expiration date. Writing (selling) a call option involves receiving a premium from the buyer, with the premium representing the maximum profit for the writer.
Options contracts offer flexibility for managing portfolios, enabling risk management and potential returns optimization. Traders can also create complex strategies by combining multiple puts and calls with various strike prices and expiration dates.
However, options have notable disadvantages. Time decay is significant, as the time-value premium of options diminishes as expiration approaches. Unlike stocks, which can be held indefinitely and potentially appreciate in value, options become worthless after expiration. Therefore, a buy-and-hold strategy that works for stocks doesn’t apply to options.
Additionally, the options market can be highly volatile, with options prices sometimes fluctuating dramatically in a single day. Investors who don’t manage risk carefully may experience substantial losses.
Options Trading For Beginners [Full Guide] by Inna Rosputnia
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