The Nifty is forming a tight consolidation pattern between 18,550 and 18,630, indicating indecisiveness between buyers and sellers. It must hold above 18,636-18,676 zones for an up move towards 18,777 and 18,888 zones while on the downside support exists at 18,550 and 18,480 zones. The India VIX is up from 11.12 to 11.24 levels, suggesting a trading range between 18,400 and 18,900 zones. The immediate supports like the daily 10-day and 200-day EMAs have been offering the base for Nifty for the last two months. Bank Nifty has strong put writing at 44,000, 43,500, and the 43,000 levels.