Bull Put Spread Option Strategy: Benefits, Risks, and When to Use It

Bull Put Spread Option Strategy: Benefits, Risks, and When to Use It

Options trading has many different strategies. Some strategies are used when a trader expects the market to move strongly. Some are used when the market may stay in a range, while others are used when the trader expects the market to move slowly in one direction.

A Bull Put Spread is one such strategy. It is generally used when a trader believes that the price of an index or stock may stay above a certain level or move higher. The word "bull" simply means that the trader has a positive view.

But this does not mean that the market must move sharply higher for the strategy to work. In some situations, the market can stay around the same level and the strategy may still make money.

Another important thing about a Bull Put Spread is that both the possible profit and possible loss are limited. This is different from simply selling a put option without protection.

So, how does a Bull Put Spread work? Let's understand it in very simple words.

First, What Is a Bull Put Spread?

A Bull Put Spread is made using two put options. Both options usually have the same expiry date but different strike prices. Strike price simply means the price level connected to an option contract.

To create a Bull Put Spread, a trader:

  • Sells one put option at a higher strike price.
  • Buys another put option at a lower strike price.

The put option that is sold usually gives the trader more premium, while the put option that is bought costs some premium. The difference between these two amounts is the money received when the strategy is created.

Let's understand this with an easy example. Suppose an index is trading at 25,000 and a trader believes that the index may stay above 24,800 until expiry.

The trader may:

  • Sell the 24,800 put for ₹100.
  • Buy the 24,600 put for ₹40.

The trader receives ₹100 from the option that was sold but pays ₹40 for the option that was bought. So the difference is:

₹100 - ₹40 = ₹60.

This ₹60 is called the net premium received. The actual amount of money involved will depend on the lot size. For now, we will use simple numbers so that the strategy is easier to understand.

Why Buy the Lower Strike Put?

A beginner may have an important question. If the trader expects the market to stay above 24,800, why buy the 24,600 put?

The main reason is protection. Suppose the trader only sells the 24,800 put. If the market falls sharply, the loss can become very large.

Now suppose the trader also buys the 24,600 put. This bought put helps limit the loss if the market falls heavily. Think of it like a safety limit.

The trader gives up some premium because money is spent buying the second put. But in return, the possible loss becomes limited. This is one of the main reasons traders use a Bull Put Spread instead of selling a put option alone.

When Can a Bull Put Spread Make Maximum Profit?

Let's continue with the same example. The trader sells the 24,800 put for ₹100 and buys the 24,600 put for ₹40. The net premium received is ₹60.

Suppose the index stays above 24,800 until expiry. Both put options may expire without value, and the trader keeps the ₹60 received at the beginning. That is the maximum profit per unit in this simple example.

The market does not need to move much higher. It only needs to stay above the higher strike price at expiry for the full profit to be possible. In other words, a strong upward move is not always needed for this strategy.

When Can a Bull Put Spread Lose Money?

Now suppose the market falls instead of staying higher. The trader sold the 24,800 put, so a fall below this level can start creating a problem. If the market keeps falling, the loss can increase.

However, the 24,600 put that was bought provides protection after a certain point. Because of this, the loss cannot keep increasing forever.

Let's look at the same example. The difference between the two strike prices is:

24,800 - 24,600 = 200 points.

The trader received ₹60 as net premium. So the maximum loss per unit would be:

₹200 - ₹60 = ₹140.

Again, the actual money amount will depend on the lot size. The main point is that both the maximum profit and maximum loss are limited.

What Is the Breakeven Point?

Breakeven simply means the price where the trader is not making a profit and is not making a loss at expiry.

For a Bull Put Spread, a simple way to find it is:

Higher strike price - Net premium received.

In our example:

24,800 - ₹60 = 24,740.

So 24,740 is the breakeven point in this simple example. If the index finishes above this level at expiry, the strategy may make a profit. If it finishes below this level, the strategy may make a loss.

The size of that profit or loss depends on where the market finishes. If the index finishes at or above 24,800, the maximum profit is possible.

Benefit 1: The Maximum Loss Is Limited

One of the biggest benefits of a Bull Put Spread is that the possible loss can be calculated before taking the trade. This is important because selling options can involve large risk.

The lower strike put works as protection if the market falls sharply. This does not make the strategy safe, because a loss can still happen. But the trader knows how large the loss can become if the position is held until expiry.

Benefit 2: The Market Does Not Need to Rise Sharply

Suppose you believe an index may move higher, but you don't expect a very big rally. A Bull Put Spread may be used for this type of view.

The market can move higher or stay around the same level. In some cases, it can even fall a little. The strategy can still make money if the market stays above the breakeven level at expiry.

This gives the trader some room for the market to move. But this room is limited, and a large fall can still create a loss.

Benefit 3: Time Can Sometimes Help the Strategy

Options lose some of their time value as they move closer to expiry. This is called time decay.

Suppose an option has five days left before expiry. Tomorrow, it will have only four days left. As time passes, part of the option's value can reduce.

In a Bull Put Spread, the trader receives net premium when creating the position. If the market stays in a suitable area and time passes, this reduction in option value can sometimes help the strategy.

But time does not guarantee a profit. If the market falls sharply, the loss caused by the price move can be much bigger than the benefit from time passing.

Benefit 4: Risk Can Be Easier to Understand Before the Trade

A beginner should always ask one question before taking any trade: "How much can I lose?"

With a Bull Put Spread, this can be calculated before entering the position. You know the distance between the two strike prices and how much net premium you received. Using these numbers, you can calculate the maximum possible loss.

This can make risk planning easier, but knowing the maximum loss is not enough. The trader must also decide whether that loss is acceptable. A limited loss can still be a large loss for your account.

Risk 1: A Sharp Market Fall Can Cause a Loss

A Bull Put Spread is generally used with a positive or slightly positive market view, so a sharp fall is a major risk.

Suppose you expect the index to stay above 24,800, but some unexpected news comes out and the index quickly falls to 24,500. The position can move into a loss, and if the market falls far enough, the trade can reach its maximum loss.

This is why a Bull Put Spread should not be treated as a strategy that cannot lose money. The loss is limited, but the loss is still real.

Risk 2: The Maximum Profit Is Limited

The protection in a Bull Put Spread has a cost. In our earlier example, the trader received ₹100 from selling one put but spent ₹40 buying another put. So the net premium received was only ₹60.

That ₹60 is also the maximum profit per unit in our simple example. Even if the market suddenly moves much higher, the trader does not keep making more and more money from the spread.

This is one of the trade-offs of the strategy. The trader gets limited risk, but the possible profit is also limited.

Risk 3: A Small Profit Can Still Come With a Bigger Possible Loss

A Bull Put Spread can sometimes look attractive because the trader receives premium at the beginning. But you should compare the possible profit with the possible loss.

Look again at our example:

Maximum profit per unit = ₹60.

Maximum loss per unit = ₹140.

This means the trader is risking more than the maximum amount that can be made. This does not automatically make the trade good or bad, but the trader should understand this before entering. Never look only at the premium you can receive; also look at how much you can lose.

Risk 4: Option Prices Can Change Quickly

Option prices do not move only because the market moves up or down. They can also change because of time and changes in expected market movement.

This means a Bull Put Spread may show a profit or loss before expiry even when the market has not moved exactly as you expected. Option prices can change quickly, so do not assume that your position will move slowly just because your maximum loss is limited.

When Can a Bull Put Spread Be Used?

A Bull Put Spread is generally used when a trader has a positive or slightly positive view. For example, suppose an index is trading at 25,000 and a trader believes that it may stay above 24,800.

The trader does not necessarily expect the index to move to 26,000. The main view is simply that the market may not fall below a certain level. This can be a situation where a trader may consider a Bull Put Spread.

It may also be used when a trader expects the market to stay stable or move slowly higher. But the strategy should not be chosen only because the trader wants to receive premium. There should be a clear reason behind the market view.

When May a Bull Put Spread Not Be Suitable?

A Bull Put Spread may not be suitable when you expect a large market fall. The strategy has a positive market view, so if you strongly believe the market may fall, using a bullish strategy does not match that view.

It may also not be suitable when the possible profit is very small compared with the possible loss. For example, suppose a trade can make only ₹10 but can lose ₹190 per unit. A trader should think carefully about whether that risk makes sense.

The strategy may also be difficult for someone who does not yet understand basic option concepts. Before using spreads, first understand put options, strike prices, premium, expiry and lot size.

Bull Put Spread vs Simply Buying a Call Option

A beginner may wonder: "If I think the market will go higher, why not simply buy a call option?"

These are different strategies. When you buy a call option, you usually want the market to move higher. If the market does not move enough, the option can lose value as time passes.

With a Bull Put Spread, the market does not always need to make a large upward move. It may be enough for the market to stay above a certain level.

But a Bull Put Spread also has its own risks. It involves selling an option and buying another option, so it should not be seen as a replacement for every bullish trade. The right strategy depends on what you expect the market to do and how much risk you are willing to take.

What Should a Beginner Check Before Using This Strategy?

Before taking a Bull Put Spread, understand what can happen in different market situations.

Ask yourself:

  • What is my maximum possible profit?
  • What is my maximum possible loss?
  • Where is my breakeven point?
  • What happens if the market stays at the same level?
  • What happens if the market falls sharply?

Also check the lot size. A loss of ₹100 per unit may sound small, but if one lot contains many units, the actual loss can be much larger.

For example, if the loss is ₹100 per unit and the lot has 50 units:

₹100 × 50 = ₹5,000.

This is why you should calculate the total amount and not look only at option prices. Also remember that brokerage, taxes and other trading charges can reduce your final profit.

Final Thoughts

A Bull Put Spread is an options strategy that is generally used when a trader expects the market to stay above a certain level or move higher. The strategy uses two put options: one put is sold at a higher strike price, while another put is bought at a lower strike price.

The option that is bought helps limit the possible loss. This means the trader can know the maximum possible profit and maximum possible loss before taking the trade.

But limited risk does not mean no risk. A sharp market fall can still cause the maximum loss, and the possible profit is also limited.

For a beginner, the main lesson is simple. Do not choose a strategy only because it can earn premium. First understand what needs to happen for the strategy to make money and what can happen if your market view is wrong.

Calculate the maximum loss, check the lot size, and make sure you understand both options used in the spread before putting real money at risk. A strategy becomes useful only when you understand both its benefits and its risks.

A Bull Put Spread can limit your maximum loss, but limited risk does not mean no risk. Understand the possible profit, maximum loss, and breakeven point before using the strategy.

About the Author

Manoj Tiwari is the Founder of FinKuber Capital and a SEBI Registered Research Analyst. He writes educational content on option trading, investing, risk management, and stock market research for Indian traders and investors.

Last Updated on: August 26, 2026
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