| Odd Lots | Not a marketable parcel. Can be bought or sold but the broker's commission rate is higher than for a marketable parcel. |
| Offer for Sale | One way in which the shares of a company are offered to the public, normally through an issuing house. |
| Official List | In respect of the Kuala Lumpur Stock Exchange, the list of all securities which have been admitted for quotation in accordance with the Exchange's Listing Requirements. |
| Option | Right to take up or sell shares at an agreed price at or before a specified future date. Prefixed with terms of "call" or "put". |