Derivative strategy: Nandish Shah said that long build-up is seen in the Bank Nifty Futures, where Open interest rose by 8 per cent along with a price rise of 0.6 per cent​Derivative strategy: Nandish Shah said that long build-up is seen in the Bank Nifty Futures, where Open interest rose by 8 per cent along with a price rise of 0.6 per cent ​Latest News [ SOBAN NEWS: International and National ]