Formula: ((Last Record Current Index − First Record Previous Close) ÷ First Available Previous Close) × 100
Used for: Measures the index return for each calendar month using the first record previous close and last record current index; the result is rounded to two decimals, and invalid values or a zero starting close have no result.
Formula: ((Last Record Current Index − First Record Previous Close) ÷ First Available Previous Close) × 100
Used for: Measures the index return for each ISO week using the first record previous close and last record current index; the result is rounded to two decimals, and invalid values or a zero starting close have no result.