Short Selling

How it works

Normally you buy low and sell high. Short selling reverses the order: you sell first at a high price, then aim to buy back later at a lower price, pocketing the difference. Since you don't own the shares, you effectively borrow them to deliver to the buyer, then return them after buying back. Your profit is the fall in price; your loss is the rise. Crucially, the potential loss is theoretically unlimited because a stock can keep rising, while a buyer's loss is capped at the price paid.

In India

For most retail traders, true short selling in the cash market is allowed only intraday — you must square off the short before the close the same day, or face penalties for failure to deliver. To hold a bearish bet overnight, Indians use the F&O segment: selling (going short) futures, or buying puts / selling calls. SEBI permits a Securities Lending and Borrowing (SLB) mechanism for genuine delivery-based shorting, but retail use is limited.

Why it matters

Short selling lets traders profit in falling markets and hedge existing holdings. It also adds liquidity and, by betting against overpriced or fraudulent companies, can improve price discovery — short-seller reports have exposed governance issues at some Indian firms.

Common mistakes

Shorting is dangerous for the unprepared. Losses are unbounded, short squeezes can spike a stock violently against you, and forced intraday square-offs lock in bad prices. SEBI bans naked short selling (selling without arrangement to deliver). The discipline: use strict stop-losses, never short without defined risk, prefer options where loss is capped to the premium over naked futures shorts, keep position sizes small, and recognise that fighting a strong uptrend on the short side — "the market can stay irrational longer than you can stay solvent" — is how many traders get wiped out.