Ziyini ikusasa?
Izikweletu zesikhathi esizayo ziwuhlobo lwesivumelwano senkontileka etholakalayo yokuthenga noma yokuthengisa impahla ethile yempahla noma isibambiso ngosuku oluthile lwesikhathi esizayo ngentengo ebekiwe. Izinkontileka zesikhathi esizayo, noma nje "isikhathi esizayo", zidayiswa ezikhungweni zesikhathi esizayo ezifana ne-CME Group futhi zidinga i-akhawunti yomdayisi evunyelwe ukuhweba isikhathi esizayo.