Icyitegererezo cyingirakamaro kijyanye numwanya wa tekiniki yimbunda yikinisho, kandi kigaragaza ikinyamakuru cyimbunda yikinisho cyikinisho, kigizwe numubiri wamasoko, amaboko yo hejuru yo hejuru ashyirwaho neza kumpera yumubiri wimpeshyi, kandi hashyizweho urutoki rwo hasi rwo gushiraho. impera yo hepfo yumubiri wamasoko.Amasoko y'ingoboka yegereye uruhande rwimbere rwumubiri wamasoko ashyizwe neza kumwanya wimyanya yo hejuru yo hejuru hamwe nintoki yo gukosora hepfo hafi yibumoso niburyo.Ikinyamakuru gikinisha imbunda yisoko yashyizwe neza hamwe nintoki yo hasi ikosora munsi yumubiri wamasoko.Iyo umubiri wimpeshyi uhagaritswe, isoko yingoboka iracyashyirwaho neza hagati yikiganza cyo hejuru cyo hejuru hamwe nintoki yo hepfo.Coefficente yimyironge ni ntoya kurenza coefficente yimvura yumubiri wimyironge, izatera isoko yingoboka kugabanuka neza kuruta umubiri wamasoko, hanyuma bigatera isoko yimfashanyo guhagarikwa kugeza kumpera byoroshye kuruta umubiri wimpeshyi.Muri iki gihe, ibintu bizunguruka biterwa no kwikanyiza gukabije kwumubiri wimpeshyi birashobora gukumirwa, bityo ukamenya ibyiza byo gukumira umuyaga utemba.