Circuit (upper / lower) A daily price limit (5/10/20%). Hitting it freezes trading in that direction. A stock "hit upper circuit" = so many buyers, no sellers, it's locked up for the day. More from 📖 Quick glossary — every term with an example P/E ratio (Price to Earnings)EPS (Earnings Per Share)P/B ratio (Price to Book)Book valueFace valueDividend & dividend yieldMarket capROE / ROCEOPM / NPM (margins)Debt-to-equityCAGR52-week high / lowASM / GSMBonus issueStock splitBuybackRights issueIPO / FPO / OFSDelivery % VWAPBetaIntraday vs DeliveryStop lossBid / Ask (spread)Blue chip / Penny / MultibaggerETF / Index fundSIPNPA / CASA (bank terms)PEG ratio See it live in the app →