TASE began float-adjusting real-time quoted indices on February 3rd, 2008. In other words, since that date, the weight of each share in TASE's real-time quoted indices is based on the value of the free float,( i.e. that portion held by the public at large, as is customary with leading indices worldwide) rather than on the market capitalization of all shares, as was the case prior to change.
TASE introduced the Index floating weight cap on July 2010. At that time, a floating weight cap was set for each quarter (the floating cap can breach the original weight cap by 50%, from a weight cap of 10% to a maximum weight cap of 15% until the quarterly rebalance). During the course of the quarter the weight of the shares that reached the weight cap reflected the rate of return since the last setting.
On February 9, 2017, TASE introduced an all-new index methodology whose main goal was to reduce the concentration in the indices. As part of the all new index methodology TASE defined two equity universes (Rimon and Tamar), the indices were expanded (for example, TA-100 became the TA-125), weight caps have been significantly reduced for most of the indices, etc
