Buying Put Options – A Complete Guide to Buying Strategies and Risks

Put options play a crucial role in investment portfolios, offering investors a unique strategy to protect against potential downturns in the market. As financial derivatives, it provides the right, but not the obligation, to sell an underlying asset at a predetermined price within a specified timeframe. By strategically buying put options, investors can safeguard their investments and mitigate potential losses, making them an essential tool in options trading strategies.

What are Buying Put Options?

Buying put options is a key strategy in options trading , allowing investors to profit from a decline in the price of an underlying asset. These are financial contracts that give the holder the right, but not the obligation, to sell an asset at a predetermined price, known as the strike price, within a specified timeframe. This allows investors to benefit from a downward movement in the market.

When investors buy a put option, they essentially pay a premium for the right to sell the underlying asset at the strike price. If the asset price falls below the strike price before the option expires, the investor can exercise their option and sell the asset at a higher price than the market value, thus making a profit.

On the other hand, if the asset’s price remains above the strike price or increases, the investor is not obligated to exercise the option and can let it expire, limiting their loss to the premium paid.

Buying these options can be particularly useful in different market conditions. In a bearish market, where prices are expected to decline, buying can provide a hedge against potential losses in a portfolio. They offer downside protection by allowing investors to sell assets at a predetermined price even if their market value decreases.

Mechanics of Buying Put Options

When buying put options in options trading , it is essential to understand the mechanics of how they work. The process begins with selecting an underlying asset and deciding on the desired strike price and expiration date. The strike price is the price at which the asset can be sold, and the expiration date determines the timeframe within which the option can be exercised.

Once the option is purchased, its value is determined by various factors, including the underlying asset’s price and market volatility. If the price of the underlying asset declines below the strike price before the expiration date, it becomes more valuable, allowing the holder to sell the asset at a higher price than the prevailing market value.

Conversely, if the price of the underlying asset remains above the strike price or increases, the option may expire worthless. In this case, the investor’s loss is limited to the premium paid for the option.

Put Option Buying Example

In a hypothetical scenario, let’s consider an investor named Rahul, who holds shares of a pharmaceutical company. Rahul has been monitoring the market closely and has noticed increasing uncertainty due to regulatory changes impacting the industry. Concerned about a potential decline in the stock price, Rahul decided to employ a put option strategy as a form of insurance.

Rahul purchases put options on the pharmaceutical company’s shares with a strike price of Rs. 500 and an expiration date of three months. Each option represents 100 shares, and Rahul buys 5 contracts for 500 shares. He pays a premium of Rs 50 per share, resulting in a total premium of Rs 25,000.

Over the next few months, unforeseen regulatory restrictions are imposed on the pharmaceutical industry, leading to a significant decline in the stock price. As a result, the company’s share price dropped from Rs 600 to Rs 400. Rahul’s put options now have an intrinsic value of Rs 100 per share, allowing him to sell the shares at the strike price of Rs 500.

Recommended Read: What is a Forward Contract?

Considering the 500 shares covered by the options, Rahul’s potential profit can be calculated as follows: (Rs 500 – Rs 400) x 500 = Rs 50,000. Subtracting the premium paid for the options, Rahul’s net profit amounts to Rs 25,000.

On the other hand, if the pharmaceutical company’s stock price had remained above the strike price of Rs 500 or even increased during the three months, Rahul’s options would have expired worthless. In this case, his loss would have been limited to the premium paid of Rs 25,000.


Buying put options can be a strategic move for investors looking to protect against stock market downturns, speculate on stock price decreases, or incorporate them into a broader options strategy.

Hedging is a common use. It allows investors to offset potential losses in their stock holdings. By buying puts with a strike price below the current market price, investors can benefit from a decline in the stock price, effectively limiting their downside risk.

Speculators, on the other hand, can use these options to profit from anticipated price decreases. They can buy puts on stocks they believe will decline in value, allowing them to sell the shares at a predetermined strike price, regardless of the market price.

Additionally, it can be a part of a broader options strategy, such as a spread or combination strategy, where investors use multiple options contracts to optimise risk and reward. Buying these options provides investors with flexibility and potential profit opportunities in the dynamic world of options trading and financial derivatives.


One of the key advantages of buying put options is the downside market protection they offer investors. When the stock market experiences a downturn, owning these options allows investors to profit from the decline in stock prices. Investors can limit their potential losses and offset any declines in their stock holdings by purchasing with a strike price below the current market price.

Another benefit is their profit potential in bear markets. As stock prices decrease, their value typically increases, allowing investors to sell the shares at the predetermined strike price and realise a profit. This allows investors to capitalise on downward price movements and potentially offset losses in other portfolio areas.

Recommended Read: What is a Contract for Differences?

In addition to downside protection and profit potential, buying put options also provides limited loss potential compared to owning the actual stock. When investors buy this type of options, they have the right, but not the obligation, to sell the underlying stock at the predetermined strike price.

This means that the maximum loss for the investor is limited to the premium paid for the put option rather than the potential loss of owning the stock outright.


While buying put options can offer advantages in options trading strategies and financial derivatives, be aware of the associated risks.

One significant risk factor is time decay. They have expiration dates, and the option’s value decreases as time passes, irrespective of the movement in the underlying stock price. This means that if the stock price doesn’t decline significantly before the option expires, the option may lose value, resulting in a potential loss for the investor.

Volatility is another risk to consider. Put options are influenced by changes in volatility, and higher volatility can lead to increased options premiums. However, if the volatility decreases, the value of the put option may diminish, resulting in potential losses for the investor.

Lastly, there is the possibility of losing the entire premium paid. If the stock price remains above the strike price at expiration, the put option can expire worthless. In this scenario, the investor loses the entire premium paid for the option without compensation.


Buying put options can provide strategic advantages in options trading strategies and financial derivatives. However, investors must understand and manage the inherent risks associated with these options. The balance between potential gains and losses must be carefully considered.

Open a Demat & Trading Account

Know More about Derivatives