ISE Rethinks Rebate Rates

An ISE spokesperson says the changes-which came into effect last month-mean that exchange members will know their rebates upfront, enabling them to easily conduct cost-benefit analysis as they trade. Previously, members received a lump-sum market data rebate at the end of the quarter, according to the ISE's rule filing last week.

The rebate for equity orders adding liquidity for securities trading at or above $1 has been increased from $0.0025 to $0.0032. Rebates for equity orders from order-