Clearing Corporations & Why Trades Don’t Fail
The invisible counterparty that guarantees your trade settles even if the other side defaults.
Here’s a scary thought: you buy sharesA unit of ownership in a company., but on settlementHow long after a trade ownership and cash settle. day the seller vanishes. Do you lose your money? No — because of a quiet hero you never interact with directly: the clearing corporation.
The central counterparty
The moment a trade matches, the clearing corporation legally steps in the middle: it becomes the buyer to every seller and the seller to every buyer. You no longer depend on the unknown stranger on the other side — you depend on the clearing corp, which is heavily capitalised and collateral-backed.
It manages this risk with margins (collateral collected upfront) and a settlementHow long after a trade ownership and cash settle. guarantee fund, so a single defaulter can’t topple the system.
Why am I charged margin even for delivery trades?
Because between trade and T+1 settlement, the clearing corporation carries the risk that you might not pay. Upfront margin is the collateral that backs the guarantee and keeps the system solvent if someone defaults.