sector rotator怎么做？

NO.PZ202207040100000802 问题如下 The Mattley Funmanager is most likely following whiinvestment style? A.Sector rotation B.Closet inxing C.versifiestopicking SolutionC is correct. The Mattley Funexhibiterelatively high Active Share but relatively low active risk. High Active Share incates tha manager’s holngs ffer substantially from the benchmark, anlow active risk incates low iosyncratic risk resulting from versification: This combination incates ththe manager most likely follows a versifiestopicking strategy. A sector rotator typically hhigh active risk ancoulhave either high or low Active Share, penng on whether a concentrateor versifieportfolio approawfollowe A closet inx woulexhibit both low Active Share anlow active risk, because sufun make few active bets.A is incorrect. A sector rotator typically hhigh active risk ancoulhave either high or low Active Share, penng on whether a concentrateor versifieportfolio approawfollowe B is incorrect. A closet inx woulexhibit both low Active Share anlow active risk, because sufun make few active bets. 请问老师分析一下active share高低与versification以及concentration的关系如何？是否是一一对应的关系，也即concentration就一定意味着active share高？active risk高低与versification以及concentration的关系如何？是否是一一对应的关系？

NO.PZ202207040100000802 问题如下 The Mattley Funmanager is most likely following whiinvestment style? A.Sector rotation B.Closet inxing C.versifiestopicking SolutionC is correct. The Mattley Funexhibiterelatively high Active Share but relatively low active risk. High Active Share incates tha manager’s holngs ffer substantially from the benchmark, anlow active risk incates low iosyncratic risk resulting from versification: This combination incates ththe manager most likely follows a versifiestopicking strategy. A sector rotator typically hhigh active risk ancoulhave either high or low Active Share, penng on whether a concentrateor versifieportfolio approawfollowe A closet inx woulexhibit both low Active Share anlow active risk, because sufun make few active bets.A is incorrect. A sector rotator typically hhigh active risk ancoulhave either high or low Active Share, penng on whether a concentrateor versifieportfolio approawfollowe B is incorrect. A closet inx woulexhibit both low Active Share anlow active risk, because sufun make few active bets. 不明白，讲义里有么？

NO.PZ202207040100000802问题如下The Mattley Funmanager is most likely following whiinvestment style?A.Sector rotationB.Closet inxingC.versifiestopickingSolutionC is correct. The Mattley Funexhibiterelatively high Active Share but relatively low active risk. High Active Share incates tha manager’s holngs ffer substantially from the benchmark, anlow active risk incates low iosyncratic risk resulting from versification: This combination incates ththe manager most likely follows a versifiestopicking strategy. A sector rotator typically hhigh active risk ancoulhave either high or low Active Share, penng on whether a concentrateor versifieportfolio approawfollowe A closet inx woulexhibit both low Active Share anlow active risk, because sufun make few active bets.A is incorrect. A sector rotator typically hhigh active risk ancoulhave either high or low Active Share, penng on whether a concentrateor versifieportfolio approawfollowe B is incorrect. A closet inx woulexhibit both low Active Share anlow active risk, because sufun make few active bets. Sector rotation 应该是active share 高，active risk 可高可低吧？