Orders are transmitted in the minimum order size and its multiples relative to the nominal values of the securities underlying the trade. On the Outright Purchases and Sales Market, orders with a nominal value below TRY 100,000 are traded on the Small Orders Market.
The minimum and maximum nominal order sizes in effect are as follows:
| | Normal Orders Market | Small Orders Market |
| | Minimum | Maximum | Minimum | Maximum |
| GDSs (TRY) | 100,000 | 10,000,000 | 1,000 | 99,000 |
| GDSs (USD/EUR) | 10,000 | 10,000,000 | ------- | ------- |
| CBRT Liquidity Bills (TRY) | 100,000 | 10,000,000 | 1,000 | 99,000 |
| Revenue Sharing Certificates (TRY/USD/EUR) | 10,000 | 10,000,000 | ------- | ------- |
| Other Debt Securities / Bills (TL/USD/EUR) | 10,000 | 10,000,000 | ------- | ------- |