| Contract Code | W1 |
| Underlying | 1 Month Term Deposit based on the Warsaw Interbank Offer Rate |
| Name | WIBOR |
| Unit of Trading | 1,500,000 PLN |
| Price Quotation | 100.00 minus rate of interest |
| Min. Price Move | 0.01 percent point |
| Tick Value | 12.50 PLN |
| Daily Price Change Limit | None |
| Contract Months | March (H), June (M), September (U), December (Z) such that 4 delivery months are available for trading |
| Last Trading Day | Second trading day preceding third Wednesday of contract month |
| Trading Hours | Monday-Friday 9:00 - 15:00 CET, Last trading day 9:00 - 11:00 CET |
| First Trading Day | First trading day after previous contract expiry |
| Delivery & Final Settlement | Cash settlement. Final settlement price established by the Exchange based on the average one month WIBOR interbank rate at 12:00 CET on last trading day |