Ngosuku lokugqibela, Ikhomishini yezokhuseleko kunye nekamva yabhengeza kwisivumelwano ekuvunyelwene ngaso "kwiZhengzhou Commodity Exchange Futures Contracts Traded Glass", kwaye siyavuma iZhengzhou Commodity Exchange ukurhweba ngeglasi ngezivumelwano zexesha elizayo. Kwangolo suku lunye, iZhengzhou Commodity Exchange yabhengeza ukuba iikontraka zeglasi zexesha elizayo ziyathengiswa. ukusukela nge-3 kaDisemba 2012.
yetsheyini loshishino lweglasi ibonise ukuzimisela ukuqonda nokwamkela ikamva, kunye nokuphepha iingozi kwimveliso kunye nokusebenza kweshishini kwixesha elizayo.
Umhlalutyi uHu ovela eMpuma Asia Futures uthe, iglasi yenye yezona ntlobo ziqhelekileyo zoluntu kwimarike, kwaye inomlinganiselo omkhulu woshishino kunye nokuguquguquka kwexabiso.Ikamva linokunceda ishishini leglasi ukuphepha umngcipheko.Kwaye ibonelela umthengi ngokufanelekileyo, ngokuhlangabezana neemfuno zomntu ngamnye kowona mgangatho mkhulu.
Ngokukodwa, amashishini okwenza iiglasi anokusebenzisa ixesha elizayo ukunqanda umngcipheko wamaxabiso, ngakumbi kumaxabiso emarike akutsha nje.Kwaye amashishini asezantsi nawo anokusebenzisa ikamva ukubiyela amaxabiso eglasi nokuba ayawa okanye ayanda.