Options
Contracts that grant the right to buy or sell a standardized quantity of an underlying asset at a strike price.
Cambios clave en Opciones de cara al go live de BYMA Clearing
A partir del go live de BYMA Clearing, el 24 de abril de 2026, los principales cambios en la operatoria de Opciones son:
- La prima se liquida en el mismo día de la operación (T+0).
- Las opciones In The Money (ITM) se ejercen automáticamente el día del vencimiento.
- Desde las series con vencimiento JUL-26, no se realizarán ajustes por dividendos ordinarios.
Se mantiene como hasta ahora: los ejercicios se liquidan en contado normal (T+1)
What is an Option?
An option is a contract where the writer (seller) receives a payment called a premium from the holder (buyer). This premium gives the holder the right, but not the obligation, to buy or sell a specific amount of underlying securities (called a lot) at a predetermined exercise price (or strike price) within a specified period or on a specific date
BYMA OFFERS TRADING OPTIONS ON STOCKS, CEDEARS, AND GOVERNMENT BONDS.
Types of Options
Call Option
Put Option
Options
- BYMA supports options on the American type. Holders may exercise their right from the day the premium is settled until the maturity date.
- BYMA requires collateral only from the writers, which may be covered or uncovered.
- Lots consist of 10 nominal securities, for CEDEARs, 100 nominal securities for stocks and 1,000 nominal securities for government securities.
- Covered call: For call options only. The underlying asset is used as collateral, with no haircut applied to its value.
- Uncovered or naked call/put: An asset different from the underlying is used as collateral. A haircut is applied.
Options Trading
Each series has a predetermined strike price and maturity date. Participants trade the premium price on the market.


