On February 6, Fin Nifty closed up 0.3% at 20,375 points on the weekly expiry day. Analysts expect a range of 20,150-20,300 with a potential fall to 20,050-20,000 if support at 20,150 breaks. Soni Patnaik predicts a volatile session with a long:short ratio of 36:64 and a VIX at 15.62. MOFSL recommends initiative trades