How to Use Open Interest Strategy for Intraday Trading

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In the world of intraday trading, where every second counts, having the right tools and strategies can make all the difference. One such valuable strategy is using the open interest indicator, an essential concept in options trading. This measure acts like a guard, showing how much action and interest exist for a specific options contract. High open interest shows strong participation and clear market feelings, while low open interest might mean uncertain interest or confusion. In the quest to become better traders, many traders use open interest as a guide, helping them through the ups and downs of market strength and possible price changes.

If you’re new to the concept or looking to enhance your intraday trading game, this article will guide you through the fundamentals and intricacies of the open interest strategy, tailored for the Indian market. We’ll reveal what exactly is open interest in options and how it can be your guide in the share market.

What is Open Interest in Options?

Before delving into the strategy, it’s crucial to understand what open interest (OI) really means. Open interest in options refers to the total number of outstanding contracts that haven’t been squared off or exercised. It represents the total number of contracts that exist at any given time. Unlike volume, which indicates the number of contracts traded during a specific period, open interest considers both the buyers and sellers, giving a comprehensive picture of market sentiment.

What is Volume?

Volume, on the other hand, represents the number of contracts traded during a particular time frame. It indicates the level of market activity and liquidity. While volume provides insights into the intensity of trading, open interest goes a step further by revealing the potential for further price movements based on the number of contracts that could still be settled.

The Significance of OI in the Share Market

Open interest is more than just a statistic; it’s an indicator of market sentiment and potential price trends. When OI in the share market is high, it signifies strong participation and clear market feelings. On the other hand, a decreasing open interest might suggest that the prevailing trend could be weakening.

Open interest can also be used in conjunction with price movements to identify trend confirmations or reversals. For instance, if the market is experiencing an uptrend and the open interest is also increasing, it indicates that the trend is well-supported and likely to continue. Conversely, a divergence between price movement and open interest might signal a potential reversal.

Price Action and its Role

Now, let’s talk about price action. Price action refers to the movement of a security’s price over time. When combined with open interest, price action can help traders identify potential trading opportunities. For instance, if a stock’s price is rising, and the open interest in call options (which allow traders to buy) is also increasing, it could indicate a bullish sentiment in the market. On the other hand, if the price is rising, but open interest in put options (which allow traders to sell) is rising as well, it might suggest a bearish sentiment.

Open Interest Strategy for Intraday Trading:

Now that you understand the significance of open interest, let’s explore an open interest strategy that you can use for intraday trading:

1. Identifying High Open Interest Zones: Pinpoint options contracts with substantial open interest levels. These levels frequently function as resistance or support, exerting influence on price movements. High open interest at a specific strike price, for instance, can magnetize the stock’s price.

2. Fusing Open Interest with Technical Analysis: Fuse open interest data into your technical analysis. When a stock approaches a resistance or support level with notable open interest, combined with aligned technical indicators, a compelling intraday trading opportunity can emerge.

3. Monitoring Open Interest Buildup: Vigilantly track open interest buildup, especially during the initial trading hours. Abrupt spikes in open interest reflect a surge of trader interest, potentially leading to significant price swings. This is crucial for identifying breakout or breakdown points.

4. Marrying Volume with Open Interest: While open interest forecasts potential price shifts, volume validates those shifts. High volume aligned with ascending open interest could suggest a sustainable trend.

5. Staying Alert to Market News: External influences impact open interest and subsequently the market. Earnings reports, economic data releases, and geopolitical events can trigger open interest shifts. Staying updated equips you to adapt your trading strategy effectively.

6. Establishing Clear Entry and Exit Points: Precision is key in trading. Set unambiguous entry and exit points based on a fusion of technical analysis, open interest insights, and personal risk tolerance.

7. Leveraging Open Interest in Volatile Markets: In volatile markets, open interest can offer valuable cues. During uncertain times, a sharp increase in open interest may indicate heightened interest from traders seeking opportunities or protection.

8. Understanding OI Trends: Study open interest trends over multiple trading sessions. A consistent rise or fall could provide a sense of market sentiment, aiding in informed trading decisions.


In the fast-paced world of intraday trading, having a well-defined strategy is paramount, and leveraging open interest data can give you a significant edge. Understanding open interest in options and its implications empowers you to make informed decisions based on market sentiment. By identifying key support and resistance levels, combining open interest with technical analysis, and keeping an eye on market news, you can enhance your intraday trading success. Remember, open interest is not a standalone tool; it’s most effective when used in conjunction with other indicators and strategies. 

So, whether you’re a novice trader or a seasoned pro, integrating the open interest strategy into your arsenal could potentially open doors to more profitable intraday trades in the Indian share market.

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Frequently Asked Questions

1. How to use OI in intraday trading?

Answer Field

To take advantage of OI in intraday trading, you must recognize areas of high OI for support and resistance, integrate OI with technical analysis, keep an eye out for sudden OI spikes, use volume confirmation, be well-informed, set clear entry and exit points, and leverage OI in risky markets. You must also be aware of OI patterns.

2. What is the most effective strategy for intraday trading?

Answer Field

Depending on your trading preferences and style, the best intraday trading strategy could vary. However, as stated previously, including open interest into your intraday trading strategy can be a useful way to increase your trading success, particularly when combined with technical analysis, support and resistance levels, volume analysis, and keeping up with market news and events.

3. Is open interest useful for intraday trading?

Answer Field

Yes, open interest or OI is beneficial for intraday trading. Based on the quantity of open contracts, it offers insights into market sentiment, probable price changes, and support/resistance levels. You can make more informed judgements and spot trading opportunities in the Indian share market by including open interest analysis in your intraday trading approach.

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