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What is Put Ratio Spread? An Authentic Guide To Master the Market

Put Ratio Spread

In the realm of options trading, savvy investors continually seek strategies to manage risk and maximize returns. 

One advanced tactic stands out for its nuanced approach to market movements: the put ratio spread. 

This article demystifies this complex strategy, revealing why and how traders use it to their advantage.

Introduction to Put Ratio Spreads

At its core, a put ratio spread involves buying and selling differing numbers of put options at various strike prices. 

Traders often employ this strategy when they hold a moderately bearish outlook on the underlying asset, hoping to capitalize on slight downward movements while also managing the risk of a market upswing.

Put Ratio Spreads

Understanding Put Ratio Spreads

Understanding the put ratio spread begins with recognizing its two parts: the long put and the short put. 

In a basic put ratio spread, you may purchase one in-the-money (ITM) put option while selling two out-of-the-money (OTM) put options. The key is that the puts sold outnumber the puts bought, creating a “ratio” that defines this strategy.

The Strategic Appeal of Put Ratio Spreads

Put ratio spreads attract traders for two primary reasons. First, they offer a lower initial cost since the receipt from the sold puts helps fund the purchase of the long put. 

Second, they provide protection against both downward and slight upward movements in the market. 

However, it’s important to acknowledge the risk of unlimited loss in certain market conditions, as the trader is exposed if the underlying security’s price plummets significantly.

Setting Up a Put Ratio Spread

The setup of a put ratio spread is delicate. Selecting the right strike prices and expiration dates requires meticulous analysis. 

The balance of the ratio should align with the trader’s market sentiment and risk tolerance

Opting for a wider spread between strike prices can yield a larger zone of profit, but it also introduces greater risk.

Practical Examples of Put Ratio Spreads

Consider a stock currently trading at $50. A trader suspects a slight dip but not a drastic drop. The trader might buy a put with a $50 strike price while selling two $45 strike puts. 

If the stock declines modestly, the long put gains value while the sold puts remain out of the money. Should the stock unexpectedly rise, the loss is limited to the net cost of the spread at the outset.

Adjustments and Exit Strategies

As market conditions shift, so must the trader’s strategies. It’s vital to monitor the spread’s performance against price movements. 

Adjustments, such as rolling out to a farther expiration date or repositioning the strikes, may be necessary. 

Similarly, developing clear rules for exiting the position—either taking profits or cutting losses—can prevent emotional decision-making.

Pro Tips for Successful Put Ratio Spread Trading

Market conditions play a crucial role when engaging in put ratio spread trading. Periods of low volatility are ideal, as the sold puts have a higher chance of expiring worthless, maximizing the strategy’s benefits. 

It’s also not uncommon for seasoned traders to employ put ratio spreads in conjunction with other strategies as part of a diversified portfolio.

Put Ratio Spreads

The Math Behind Put Ratio Spreads

Put ratio spreads, while sophisticated, follow clear mathematical guidelines for ascertaining break-even points, maximum profit, and maximum loss. Here’s a simplified breakdown:

Break-even Points: Calculated by analyzing the net difference between the premiums paid for the long puts and the premiums received from the short puts. 

Specifically, the break-even for a put ratio spread could involve subtracting the net premium received from the lower strike price or adding it to the higher strike price, depending on the spread’s setup.

Maximum Profit: Achievable when the underlying stock’s price exactly matches the strike price of the short puts at expiry. 

The maximum profit equals the difference between the long put’s strike price and the short put’s strike price, minus the net premium paid, if any.

Maximum Loss: Occurs if the stock price dramatically falls far below the strike prices of all the puts involved. 

The trader’s loss in this scenario is theoretically unlimited, given that stocks can fall to zero, minus the initial net premium received.

Understanding these calculations helps traders make informed decisions on the entry and exit points for their put ratio spread positions, balancing potential gains against risks.

Frequently Asked Questions

What Is the Ideal Market Condition for a Put Ratio Spread?

The best market condition is one that aligns with the trader’s expectation of a slight downturn or even a flat market that leans bearish.

How Does a Put Ratio Spread Compare to Other Options Strategies?

It’s more complex and risky than a basic put buy, but offers greater flexibility and cost efficiency than some other multi-leg option strategies.

Can Put Ratio Spreads Be Used by Beginners?

Although they are advanced strategies, beginners with a comprehensive understanding of options and risk management can practice with small, controlled trades.


The put ratio spread is an intricate instrument in a trader’s toolkit, designed for moments of moderate market bearishness. 

By grasping its structure and tactical application, traders can better navigate the undulating seas of the options market

As with any advanced technique, the key is in the details—careful selection of strike prices, vigilant management, and informed exit strategies pave the way to success.