Bank nifty technical view weekly swing low 30405 swing high 41829. we can draw fib retracement level 0.50% is 36122.but weely close is 36197.near 0.50% fib level candle denotes doji.coming days bounce back zone weekly golden ratio 0.618% levels is 34700 zone.below WCB 34700 IS fresh selling level.otherwise we expect 36800 DCB target 37900 to 38200 levels.option writers favour zone is 35300 to 36800.keep radar zone selling near 37900 - 38200(reversal confirmation) buying zone 34700(reversal confirmation)both setup invalid below or above weekly close breakout