Removal of Benefit of Calendar Spread on Expiry Day

According to the exchange circular NCL/CMPT/65314, the benefit of a calendar spread on the expiry day of the near-term index derivatives contract will not be available w.e.f. 10-Feb-25 (revised). This revision is due to the updated effective date mentioned in the new exchange circular. This will apply only to the expiry day of the near-term contract and the T-day expiry contracts. 

It is to be noted here that due to the removal of the benefit of the calendar spread, the total margin requirement on the calendar hedge position will increase significantly. You are advised to maintain a sufficient margin; otherwise, positions will be squared off on the expiry day under Margin Shortfall Square Off as per RMS policy on a best-effort basis. 

Let’s understand this with the example:

Scenario 1: Mr. A is holding the below-mentioned position on 30-Jan-2025 (assuming Nifty @24,188):

Position

Underlying

Expiry

Quantity

Margin before 30-Jan-25

Margin on 30-Jan-25

Short

Nifty

30-Jan-25

-75

45,334

4,12,321

Long

Nifty

27-Feb-25

75

   

Scenario 2: Mr. B is holding the below-mentioned position on 30-Jan-2025 (assuming Nifty @24,188): 

No position of Jan-25 Expiry

Position

Underlying

Expiry

Quantity

Margin before 30-Jan-25

Margin on 30-Jan-25

Short

Nifty

25-Mar-25

-75

45,403

45,403

Long

Nifty

27-Feb-25

75

   



Scenario 3: Mr. C is holding the below-mentioned position on 30-Jan-2025 (assuming Nifty @24,188):

Position

Underlying

Expiry

Quantity

Margin before 30-Jan-25

Margin on 30-Jan-25

Short

Nifty

30-Jan-25

-75

89,055

2,05,271

Long

Nifty

27-Feb-25

150

 

2,07,884

Short

Nifty

25-Mar-25

-75

 

45,403

Total Margin Required

89,055

4,58,558

Scenario 4: Mr. D is holding the below-mentioned position in Call Option on the Nifty index on 30-Jan-2025 (assuming Nifty @23,530):

Position

Underlying

Expiry

Strike Price

Quantity

Margin before 30-Jan-25

Margin on 30-Jan-25

Short CE

Nifty

27-Feb-25

23,350

-75

1,67,378

2,17,461

Long CE

Nifty

30-Jan-25

23.350

75

   
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