What is Open Interest in Options with Example

Open Interest in Simple Terms:

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Open Interest for NIFTY Options Strike Prices.

Imagine you’re at a school auction where students can buy and sell trading cards. Each trading card represents an option contract in the stock market.

New Trading Card Contracts (Options):

When a new option contract is created (someone decides to buy or sell an option), it’s like a new trading card entering the auction.
Buying and Selling:

Now, let’s say you decide to buy a call option to purchase a popular video game if its price goes up. Your friend decides to sell that same call option to you.
In this case, you and your friend have just created an open interest of one. There’s one contract out there between you two.
Passing Contracts Around:

Later, your friend realizes they made a mistake and wants to get out of the deal. They sell the same call option to another student, let’s call him Sam.
Now, the open interest is still one, but the contract has been passed from your friend to Sam.
More Participants, More Open Interest:

As more students join the auction and buy or sell the same call option, the open interest increases. If there are five students with this call option, the open interest is now five.
So, What is Open Interest?

Open interest is like the total number of trading cards (option contracts) circulating in the auction. It represents the total number of agreements or contracts between buyers and sellers that haven’t been closed or offset yet.
Why Does Open Interest Matter?

High open interest suggests that many people are involved in that specific option, indicating a lot of interest or activity. It can be a sign that the option is popular.
Low open interest might mean fewer people are involved, and the option may not be as widely traded.
In summary, open interest in the stock market is like keeping track of how many trading cards (option contracts) are in play. It helps traders gauge the popularity and activity level of specific options.

What is open interest in Options with Example

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