Banknifty future today closed at 16779 with loss. We saw almost 400 points profit in short call and big 100% gains for banknifty 16500 put options buy call. For tomorrow, banknifty outlook remain bearish. On upside 16925 to 17100 is major resistance zone as well as fresh short creation level for future traders. On downside 16600 and 16550 are support zones as well as tgts levels for intraday. Option traders can use banknifty 16900 put option as buy on dips with stop loss.