▁occurs ▁between ▁the ▁second ▁and ▁sixth ▁business ▁day ▁of ▁the ▁month . ▁The ▁DB L CI - MR ▁is ▁also ▁quoted ▁in ▁both ▁total ▁returns ▁and ▁excess ▁returns ▁terms ▁in ▁US ▁dollars ▁as ▁well ▁as ▁E UR , ▁J PY ▁and ▁GB P . ▁ ▁Rol ling ▁Method ology ▁▁ ▁In ▁contrast ▁to ▁the ▁DB L CI , ▁the ▁DB L CI - MR ▁undert akes ▁no ▁annual ▁re - bal ancing . ▁Instead , ▁the ▁individual ▁comm od ity ▁weights ▁are ▁reset ▁every ▁time ▁any ▁one ▁of ▁the ▁comm od ities ▁under go es ▁a ▁‘ trigger ▁event ’ . ▁This ▁happens ▁when ▁the ▁one - year ▁moving ▁average ▁of ▁the ▁comm od ity ▁price ▁is ▁a ▁whole ▁multiple ▁of ▁ 5 % ▁away ▁from ▁the ▁five - year ▁moving ▁average . ▁When ▁this ▁happens , ▁the ▁weights ▁of ▁all ▁the ▁comm od ities ▁are ▁re - bal anced ▁such ▁that ▁‘ exp ensive ’ ▁comm od ities ▁have ▁their ▁weights ▁reduced ▁while ▁‘ che ap ’ ▁comm od ities ▁have ▁their ▁weights ▁increased ▁according ▁to ▁a ▁simple , ▁pre - defined ▁formula . ▁The ▁entire ▁process ▁is ▁rule - based ▁and ▁mand atory . ▁The ▁fact ▁that ▁there ▁exist ▁clear ▁pre - set ▁‘ h urd le ▁rates ’ ▁to ▁trigger ▁a ▁re - weight ing , ▁minim ises ▁the ▁number ▁of ▁re - weight ings ▁and ▁thus ▁reduces ▁the ▁transactions ▁costs ▁for ▁rep lication . ▁ ▁Character istics ▁of ▁the ▁DB L CI - Me an ▁Re version ▁▁▁ ▁Six