Stock futures lost 1 crore shares in Open Interest, OI. FIIs remained net buyers to the tune of Rs 614 crore in Nifty futures, in which OI went up by 52,896 contracts.

They purchased Rs 235 crore in Nifty options, in which OI stood up by 49,134 contracts.

Nifty futures marked their closure with 13-point premium whereas OI PCR remained unaltered at 1.60 on Thursday.

Nifty 3300 Put appended 13 lakh shares in OI and Nifty 3400 Call added up 5.4 lakh shares in OI.

Unwinding of arbitrage positions were seen in Ispat Industries and Nagarjuna Fertilisers. Ispat fell 0.7% and its cost of carry, CoC was down as well. Its futures Open Interest was down by 10%.

Nagarjuna Fertilisers shed 2.4% and its CoC remained weak also. Its futures Open Interest lost 11%.

IRB Infra surged 7% and its futures appended 10 lakh shares in open interest. Fresh arbitrage positions were there in the stock.

Jaiprakash Associates increased 7.3% and its futures also remained up by 6.8%. Futures Open Interest descended 9%.

Fresh long positions were seen in Mercator Lines. The stock gained 13.7% and its CoC was up as well. Its futures Open Interest was up by 43%.