Short build up is seen in the Nifty Futures, where Open interest rose by 17 per cent along with price fall of 1 per cent, said Nandish Shah, technical research analyst at HDFC Securities.​Short build up is seen in the Nifty Futures, where Open interest rose by 17 per cent along with price fall of 1 per cent, said Nandish Shah, technical research analyst at HDFC Securities. ​Latest News [ SOBAN NEWS: International and National ]