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Margins


Daily margin, comprising of the sum of VaR margin, Extreme Loss Margin and mark to market margin is payable.

Daily margins payable by members consists of the following:

All securities are classified into three groups for the purpose of VaR margin 

  • For the securities listed in Group I, scrip wise daily volatility calculated using the exponentially weighted moving average methodology is applied to daily returns. The scrip wise daily VaR is 6 times the volatility so calculated subject to a minimum of 9%. 
  • For the securities listed in Group II, scrip wise daily VaR is 6 times the volatility so calculated subject to a minimum of 21.5%. 
  • For the securities listed in Group III the VaR margin is 50% if traded at least once per week on any stock exchange; 75% otherwise. In case of Group III the securities shall be monitored on a weekly basis, and the VaR margin rates shall be increased to 75% if the security has not traded for a week. In case the VaR margin rate is 75% and the security trades during the day, the VaR margin rate shall be revised to 50% from start of next trading day 

In case of ETFs that track broad based market indices and do not include ETFs which track sectoral indices, the VaR margin rate is 6 times the volatility so calculated subject to a minimum of 6%. 

NSE Clearing may stipulate security specific margins from time to time.

The VaR margin rate computed as mentioned above is charged on the net outstanding position (buy value-sell value) of the respective clients on the respective securities across all open settlements. There is no netting off of positions across different settlements. The net position at a client level for a member is arrived at and thereafter, it is grossed across all the clients including proprietary position to arrive at the gross open position.

For example, in case of a member, if client A has a buy position of 1000 in a security and client B has a sell position of 1000 in the same security, the net position of the member in the security is taken as 2000. The buy position of client A and sell position of client B in the same security is not netted. It is summed up to arrive at the member’s open position for the purpose of margin calculation.

The VaR margin is collected on an upfront basis by adjusting against the total liquid assets of the member at the time of trade.

The VaR margin so collected is released on completion of pay-in of the settlement or on individual completion of full obligations of funds and securities by the respective member/custodians after crystallization of the final obligations on T+1 day.

File location

This file would be generated and disseminated everyday at the end and during the day on the extranet server in the common/var rate directory

Naming convention:

C_VAR1_DDMMYYYY_N.DAT where

<DDMMYYYY> represents the current date,

‘N’ represents file batch number for the day.

Control Record

Field name

Length

Mandatory/optional

Description

Record type

Char(2)

Mandatory

Value is 10

Date

Char(8)

Mandatory

Date on which file is generated

Filler

 

 

 

Total records

Number(7)

Mandatory

Total no. of detail record


Detail Record

Field name

Length

Mandatory/optional

Description

Record type

Char(2)

Mandatory

Value is 20.

Sec symbol

Char(10)

Mandatory

 

Sec series

Char(2)

Mandatory

 

ISIN

Char(12)

Mandatory

 

Security VAR

 

 

 

Filler

 

 

 

VAR margin

Number(5,2)

Mandatory

 

Extreme loss rate

Number(5,2)

Mandatory

 

Ad-hoc margin

Number(5,2)

Mandatory

 

Daily margin rate

Number(5,2)

Mandatory

 

The Extreme Loss Margin shall be 3.5% for any stock and 2% for ETFs that track broad based market indices and do not include ETFs which track sectoral indices. 

Download Extreme Loss Margin (.csv)

The Extreme Loss Margin is collected/ adjusted against the total liquid assets of the member on a real time basis.

The Extreme Loss Margin is collected on the gross open position of the member. The gross open position for this purpose means the gross of all net positions across all the clients of a member including its proprietary position.

There is no netting off of positions across different settlements. The Extreme Loss Margin collected is released on completion of pay-in of the settlement or on individual completion of full obligations of funds and securities by the respective member/custodians after crystallization of the final obligations on T+1 day.

  1. For securities with intra-day price movement (maximum of [High-Low], [High-Previous Close], [Low-Previous Close]) of more than 10% in the underlying market for 3 or more days in last one month, the minimum total margins is equal to the maximum intra-day price movement of the security observed in the underlying market in last one month. The same is continued till monthly expiry date of derivative contracts which falls after completion of three months from date of levy. 
  2. For securities with intra-day price movement (maximum of [High-Low], [High-Previous Close], [Low-Previous Close]) of more than 10% in the underlying market for 10 or more days in last six months, the minimum total margins is equal to the maximum intraday price movement of the security observed in the underlying market in last six months. The same is continued till monthly expiry date of derivative contracts which falls after completion of one year from date of levy. 

Mark to market loss is calculated by marking each transaction in security to the closing price of the security at the end of trading. In case the security has not been traded on a particular day, the latest available closing price at NSE is considered as the closing price. In case the net outstanding position in any security is nil, the difference between the buy and sell values shall be is considered as notional loss for the purpose of calculating the mark to market margin payable.

The mark to market margin (MTM) is collected from the member before the start of the trading of the next day.

The MTM margin is collected/adjusted from/against the cash/cash equivalent component of the liquid net worth deposited with the Exchange.

The MTM margin is collected on the gross open position of the member. The gross open position for this purpose means the gross of all net positions across all the clients of a member including its proprietary position. For this purpose, the position of a client is netted across its various securities and the positions of all the clients of a member are grossed.

There is no netting off of the positions and setoff against MTM profits across two rolling settlements i.e. T day and T+1 day. However, for computation of MTM profits/losses for the day, netting or setoff against MTM profits is permitted.

Margins for Corporate bonds

Bonds with credit rating of AAA, AA, or A shall be levied a fixed margin of 10% and Bonds which do not have the said credit rating shall be levied margins in accordance with the specifications in circular no. NSCC/CM/C&S/337 dated May 09, 2005.

Download Circular NSE/CMPT/6122 (.htm)

Trade for Trade segment –Surveillance segment

In case of securities in Trade for Trade –Surveillance segment (TFT-S segment) the upfront margin rates (VaR Margin + Extreme Loss Margin) applicable is 100 % and each trade is marked to market based on the closing price of that security.

Capping of margins

In case of a buy transaction, the VaR margins, Extreme loss margins and mark to market losses together cannot exceed the purchase value of the transaction. In case of a sale transaction, the VaR margins and Extreme loss margins together are capped to the extent of the sale value of the transaction and mark to market losses are also levied.

The details of all margins VAR, extreme loss margin and mark to market as at end of each day are downloaded to members in their respective Extranet directory.

Download all Margins (.pdf)

Release of margins

All margins collected for a settlement for a member/custodian are released on their individual completion of full obligations of funds and securities by the respective member/custodians after crystallization of the final obligations on T+1 day. Further, members are provided a facility to provide confirmation from their clearing banks towards their funds pay-in obligations on settlement day before prescribed pay-in time through the prescribed procedure.

Margins collection from Client

Members should have a prudent system of risk management to protect themselves from client default. Margins are likely to be an important element of such a system. The same should be well documented and be made accessible to the clients and the Stock Exchanges. However, the quantum of these margins and the form and mode of collection are left to the discretion of the members.

Updated on: 08/03/2021
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