iShares MSCI Canada Index Fund(AMEX:EWC)

EWC aims to capture the large- and mid-cap segments of the Canadian market while reflecting capping constraints. Its underlying index is market cap-weighted and rebalanced on a quarterly basis using a variation of the MSCI 25/50 Indexes methodology, where the weight of any single group entity will be constrained at 22.5% and the sum of the weights of all group entities representing more than 5% weight will be constrained at 24.5%. By doing so, it minimizes index turnover, tracking err and extreme deviation from the parent index. Moreover, a buffer is used to reduce the risk of non-compliance due to short term market movements between two quarterly rebalancing. Prior to September 2017, the funds underlying index was the MSCI Canada Index (where the MSCI Canada Custom Capped Index is constructed from).