Multiple Markets, Algorithmic Trading, and Market Liquidity

Using a sample of NYSE firms from the first quarter of 2012, we show that the NBBO Depth is negatively affected by quote competition between exchanges and by excess Algorithmic Trading (AT) activity, but positively impacted by volume fragmentation. Trade execution quality also decreases with higher quote competition and AT activity but is better with higher volume fragmentation. In addition, we find that the U-shaped pattern of spreads is an S-shape, with higher spreads at the open and lower spreads at the close. NBBO depth has an inverse pattern to that of spreads

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Year of publication:	2016
Authors:	Upson, James
Other Persons:	Van Ness, Robert A. (contributor)
Publisher:	[2016]: [S.l.] : SSRN
Subject:	Elektronisches Handelssystem \| Electronic trading \| Wertpapierhandel \| Securities trading \| Marktliquidität \| Market liquidity \| Algorithmus \| Algorithm \| Liquidität \| Liquidity \| Geld-Brief-Spanne \| Bid-ask spread \| Börsenkurs \| Share price

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