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Index Rebalancing History Array - rebal[#][n]

The Index Rebalancing History Arrayss are a set of CRSPAccess event array structures containing decile-level historical rebalancing statistical information for rebalancing periods in an index. Each event array structure within the history contains the characteristics for one portfolio for one time range in the index, including the breakpoints used to assign securities to the portfolio.

Rebalancing Date Ranges

Index Rebalancing Begin Date
Index Rebalancing End Date

Rebalancing Portfolio Statistics

Count Used as of Rebalancing
Maximum Count During Period
Count Available as of Rebalancing
Count at End of Rebalancing Period

Breakpoint Information

Statistic Minimum Identifier
Statistic Maximum Identifier
Statistic Minimum in Period
Statistic Maximum in Period
Statistic Median in Period
Statistic Average in Period

Not all statistics are available for each index.

The variable Number of Rebalancing Types contains the count of the rebalancing history arrays available for all indices in a set. There are ten possible rebalancing arrays in current Index Groups and one in all Index Series. Each array has its own count of periods, which is set to zero if not applicable to the particular index.