Adjustments in F&O contracts of Tata Steel on account of stock split

Tata Steel Ltd. (TATASTEEL) has announced split in face value of its equity shares from FV of Rs. 10 per share to Rs. 1 per share and has fixed July 29, 2022 as the record date.

As a result, the Futures and Options contracts of Tata Steel will be adjusted according to the framework prescribed by SEBI. The adjustment will result in a change in the Strike Price and Lot Size of Options and the Price and Lot Size of the Futures contracts. The changes will come into effect on the ex-date, July 28, 2022. You can check the announcement from the exchange here.

SEBI has prescribed a framework to the exchanges for adjustment of corporate actions in derivative contracts at the time of the corporate action. The exchange has published everything regarding the adjustments in the case of corporate actions here. The adjustments are carried out so that the value of the position of the market participants, on the cum and ex-dates for the corporate action, continues to remain the same as far as possible.



Here’s how the adjustment work:

The adjustment factor for the stock split of A:B is defined as (A/B). In the case of Tata Steel, the adjustment factor is (10/1) = 10, since the split ratio is 10:1.

Adjustment of Futures Contracts:

Futures base price: The adjusted futures base price will be arrived at by dividing the settlement price of the future one day before the ex-date by the adjustment factor.

Futures lot size: The adjusted market lot will be arrived at by multiplying the old market lot by the adjustment factor. The revised market lot would be 4250.

Example: If you are holding a position in Tata Steel AUG FUT and on pre-ex-date (July 27, 2022) futures close at 950, on ex-date the price will be adjusted to 95 (Price on pre-ex-date: 950 / Adjustment Factor: 10). While the lot size will be adjusted to 4250 (Current lot size: 425 * Adjustment Factor: 10).

Adjustment of Options Contracts:

Strike Price: The adjusted strike price will be arrived at by dividing the old strike price by the adjustment factor.

Lot Size: The adjusted lot size will be arrived at by multiplying the old market lot by the adjustment factor. The revised lot size would be 4250.

Example: If you are holding a position in Tata Steel 950 Call Option, the current lot size is 425. On ex-date, the 950 CE will be adjusted to 96 (Strike Price: 960 / Adjustment Factor: 10) and the lot size will be adjusted to 4250 (Current Lot Size: 425 * Adjustment Factor: 10).



While those holding positions in F&O contracts are not eligible for corporate action benefits. If you are holding equity shares of Tata Steel on the record date (July 29, 2022), you will be eligible to receive the split shares.

The credit of shares can take up to 2 working days from the record date (July 29, 2022). You can check out more details here.


2 Likes

@ShubhS9 - Worth noting that Zerodha’s Corporate actions tracker mentions that it will be split into 5 shares instead of 10. Please get it changed if possible.

Thanks @yashrs :slight_smile:

We will change this and make it 10