Traditional liquidity measures can provide a false impression of the liquidity and stability of financial market trading. Using data on auctions (bids wanted in competition; BWICs) from the collateralized loan obligation (CLO) market, we show that a standard measure of liquidity, the effective...

We argue that high-frequency return predictability can be explained by delays in prices, providing another explanation for why paper profits often do not materialize. We investigate predictability in the US (and international) stock market from 2005 to 2012 and in 2020. We find that 1-minute...

I study how arbitrage affects liquidity by analyzing several billion trades in the AmericanDepositary Receipt (ADR) market from 2001 to 2016. Price deviations persist, on average, for 12 minutes, and mainly arise because of price pressure. Impulse response functions estimated at 1-minute...

Liquid stocks may attract short-term traders who could attenuate the informativeness of stock prices about long-run fundamentals. As a result, managers may be less (more) likely to rely on the market prices of more (less) liquid stocks when making real investment decisions. Supporting this...

We propose a portfolio optimization approach to identifying private information. In our model, investors are exposed to liquidity and private information shocks and optimize their trading across stocks taking into account price impact (Kyle's Lambda). We obtain a very simple expression for a...

We propose a new approach to measuring informed trading in individual securities based on a portfolio optimization model for investors facing information and liquidity shocks. These shocks induce speculative and liquidity-motivated order flow, taking into account the price impact of trading. The...

We investigate how the introduction of market data fees impacts trading and market quality. We find that data fees decrease the fee-introducing exchange’s market volume, its time with competitive quotes, its visible liquidity, and its role in price discovery. We observe brokers routing market...