Short Selling
Selling a borrowed asset hoping to buy it back cheaper later, profiting if the price falls — with theoretically unlimited risk if it rises.
Appears in these guides
- Naked Short SellingMarket Structure
- Short SellingMarket Structure
- Clearing, Settlement and the Settlement ClockMarket Structure
- Inverse ETFs: Negative Exposure, Daily Targets and Hedge LimitsETFs & Index Funds
- Margin AccountsBrokers & Accounts
- Reading Short-Selling Data: Short Interest, Short Volume & Cost to BorrowMarket Structure
Related terms
Related lessons

Cash Accounts
Understand cash brokerage accounts, settled funds, buying power and cash sweeps. Compare cash and margin mechanics, with a labelled US T+1 example and clearly stated risks.

Commissions
The explicit cost of trading: what commissions are, the forms they take, how the spread and currency fees act as hidden commissions, why 'commission-free' isn't free, and how trading costs quietly erode returns.

401(k)
The US workplace retirement plan: pre-tax and Roth contributions, employer matching formulas, vesting, tax deferral, limits and withdrawal conditions.
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