What are the different index contracts traded in the Indian Stock Market ?


Some of the Indices  traded in the Indian Stock Market are:


Sr.NoINDEXEXPIRY DAY
1
NIFTY
Every Thursday 
2BANKNIFTY
Last Thursday of expiry month
3MIDCPNIFTY
Last Thursday of expiry month
4FINNIFTY
Last Thursday of expiry month
5NIFTYNXT50
Last Thursday of expiry month
6SENSEX
Every Tuesday
7BANKEX
Last Tuesday of every month
8SENSEX 50
Last Tuesday of every month



Some changes affecting index options trading, effective from November 2024, has been introduced by the regulators ( including SEBI and Exchanges), to enhance market stability and reduce potential risks. These are : 


1. Increase in Contract Size


Lot sizes of index options has been revised. The revised lot sizes are as follows :



Sr.NoIndex
Old Lot Size
New Lot Size
1.Nifty 50
2575
2Nifty 5025
75
3Nifty Financial Services
25
65
4Nifty Midcap Select
50120
5Nifty Next 50
1025
6
BSE Sensex 

1020
7BSE Bankex

1530
8BSE Sensex 50

2560



2. Weekly Expiry Contracts


Only Indices Nifty 50 and Sensex will offer weekly expiry contracts. The existing weekly and monthly expiry contracts will continue with the existing lot size till its respective expiry date. In case of quarterly and half yearly existing expiry contracts, the same shall be transitioned to the new lot size on December 24, 2024, end of the day for BANKNIFTY and December 26, 2024, end of the day for NIFTY. Other index options will only have monthly expiry contracts. 


3. Additional Margin on Expiry Day


A 2% Extreme Loss Margin (ELM) will be applied to short positions on the expiry day, with no margin benefits available for calendar spreads on that day.


Effective February 1, 2025:


Margin benefits for calendar spreads are not available on the expiry day.



For More Details :
Changes in Market Lot for Index Derivatives Contracts
Measures to Strengthen Equity Index Derivatives Framework for Increased Investor Protection and Market Stability 
Please go through the below given NSE & BSE circulars :

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