| Underlying | Call or Put Options on Gold Spot Contract (Gold in bars, cast by a refiner and kept in a depository institution, both accredited by B3). |
| Ticker | OZ1 |
| Option style | Options on Gold Spot |
| Contract size | 250 grams of gold. |
| Quotation | Premium quotation expressed in Brazilian Reals to three decimal places. |
| Tick size | BRL0.001. |
| Round-lot | 1 contract. |
| Last trading day | Previous business day of the expiration date. |
| Expiration date | 3rd friday of the contract month, or should this day be a holiday the previous business day. |
| Contract months | Odd-numbered months. However, the Exchange, at its own discretion, may authorize even-numbered months to be traded, when market conditions thus require. |
| Option exercise | On the expiration date, the option exercise is performed manually by the option holder respecting the trading hours pre-established by B3. If the option is not exercised it will be closed out by its writer. |
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