<prompt> I-London Metal Exchange i-LME iyimakethe ye-futures enemakethe enkulu kunazo zonke emhlabeni yezinketho kanye nezinkontileka zesikhathi esizayo ngesisekelo nezinye izinsimbi. Njengoba i-LME inikeza izinkontileka ngezinsuku zokuphelelwa yisikhathi ezifika ezinyangeni ezintathu kusukela ngosuku lokuhweba, izinkontileka zamasonto onke ezifika ezinyangeni eziyisithupha, kanye nezinkontileka zanyanga zonke ezifika ezinyangeni eziyi-123, futhi ivumela ukuhweba ngemali. Inikeza ukuvikelwa, amanani okubhekiswa kuwo wonke umhlaba, kanye nenketho yokulethwa ngokomzimba ukuxazulula izinkontileka. Kusukela ngo-2012 ibisezandleni ze-Hong Kong Exchanges and Clearing ngemuva kokuthi abanikazi bamasheya be-LME bavotele ngoJulayi 2012 ukuthi bavume ukuthengiswa kwemakethe ngentengo engu- 1.4 billion. Umbuzo: yini i-London Metal exchange enikeza umhlaba wonke?  <response>: ukubhekiswa kwentengo 