Understanding Open Interest & FYERS OI Limits

What is Open Interest and are there any limits set by FYERS?

Open Interest (OI) refers to the total number of active derivatives contracts (both options and futures) that are open at any given time. It acts as a key indicator of liquidity and can help identify trends and potential price shifts in the market. Open Interest is available for all strike prices in the options chain on FYERS platforms.

Open Interest Limits at FYERS

At FYERS, we set certain OI limits to ensure smooth and efficient trading for our clients:

Client-Specific Open Interest Limit:

  • Clients are allowed to hold up to 5% of the total open interest in any particular derivatives contract.
  • If a client exceeds this 5% limit, the specific underlying contract will be unavailable for further trading for that client.

Broader Open Interest Limit:

  • On a broader scale, if the total open interest for a particular underlying contract exceeds 15% across all our clients, FYERS will disable that contract for trading.

Note:

  • FYERS currently maintains optimal OI limits, ensuring hassle-free trading even in Deep OTM options, so you can continue to trade efficiently.

What if...

ScenarioOutcome
You exceed the 5% OI limit for a specific contractThat particular contract will be unavailable for further trading for you
Total open interest exceeds 15% across clients for a contractThe contract will be disabled for trading across FYERS for all clients
The contract is disabled due to OI limitsYou cannot trade that contract until the open interest is reduced
Tip: Keep track of open interest to avoid hitting the limits and ensure uninterrupted trading of your chosen contracts.

Last updated: 27 Jun 2025

    • Related Articles

    • How to Invest in Government and Corporate Bonds (Primary & Secondary)?

      How to invest in Government and Corporate Bonds on FYERS (Primary & Secondary) You can invest in Government bonds (G-Secs, T-Bills, SDLs, SGBs) and Corporate bonds/NCDs on FYERS via primary issues (fresh auctions/public issues) and the secondary ...
    • How Are Futures Margins Determined in FYERS?

      Futures margin is the capital that must be available in your FYERS account to open and hold a futures position. Margins are not fixed. They change with exchange risk models, volatility, liquidity, and regulatory rules. You can always check the live ...
    • Can I Place Market Orders for Commodity Options in FYERS?

      At FYERS, we do not allow market orders in the MCX Options segment. This is an intentional safeguard to protect traders from slippage and unfavourable executions. Since commodity options in India usually trade with low liquidity and wide bid-ask ...
    • How Does Intraday Futures Trading Work in FYERS?

      Intraday futures trading at FYERS lets you open and close futures positions within the same trading day. Leverage depends on exchange-prescribed margins for each contract, and under peak margin rules, intraday and overnight margin requirements are ...
    • What Happens When a Derivative Contract Expires in FYERS?

      At FYERS, all derivative contracts such as Futures and Options (F&O) have predefined lifespans and expiry cycles. You cannot hold a futures or options position indefinitely. Once a contract reaches its expiry date, it is automatically settled by the ...