Discussion paper
DP19363 Trading Fees and Intermarket Competition
We study the 2013 changes in maker-taker pricing fees implemented by BATS on its two European venues, CXE and BXE. The CXE rebate reduction deteriorates market quality and market share, whereas the BXE rebate removal and take-fee reduction improve them. We derive a model of two competing limit order books, in which large (small) stocks are characterized by investors with higher (lower) propensity to supply liquidity and by greater (lower) trading activity. Consistent with our model, we show that traders in large stocks are more reactive to rebate reductions while traders in small stocks are more reactive to take-fee reductions.
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