Claire Dubois

Liquidity & market microstructure

Writes about liquidity: how much of a stock can actually change hands, and what happens to the price when it cannot.

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Articles

Fed-Day Orders Need a Two-Price Liquidity Plan The quote visible before a Fed announcement is the easy-case execution price, not necessarily the price available after the headline. A practical pre-trade plan models both normal liquidity and stressed headline liquidity, then sizes the order against the worse case. Trading Strategies · 28 Sep 2026 Million-Share Volume Can Still Hide Impact Cost A large share-volume figure says that trades have printed, not that enough liquidity is available at the price where a new order wants to trade. Before entering a surging stock, the more useful comparison is between the order, displayed depth, bid-ask spread, and the stock’s normal intraday volume pattern. Trading Strategies · 28 Sep 2026 Before Buying an ADR, Price the Time-Zone Liquidity Gap A U.S. investor reacting to overseas news is often trading an ADR when the home market is closed, the currency has moved, and the available liquidity is not the liquidity shown abroad. This article lays out a pre-trade framework for checking spread, depth, home-market close, currency translation, opening-hour conditions and market impact before choosing order size. Trading Strategies · 15 Sep 2026 Before Trading an ADR, Price the Liquidity Gap A U.S.-traded receipt can look simple: a dollar quote, a bid, an ask, and a button to place the order. The harder work is deciding whether that quote is executable at the intended size once ADR spread, U.S.-session depth, home-market timing, FX conversion and likely slippage are taken into account. Market Analysis · 14 Sep 2026 Before Buying an ADR Surge, Check the Real Liquidity A foreign-company headline can move a US-traded ADR before the order book is ready to absorb size. The relevant pre-trade question is not whether the story sounds material, but whether the ADR spread, displayed depth, primary-market timing, and portfolio exposure can carry the order being considered. Market Analysis · 11 Sep 2026 Before Trading an ADR on News, Check Liquidity A foreign-stock headline is not the same thing as a tradable setup in the US line. Before sizing an ADR or secondary-listing order, the spread, normal turnover, and displayed depth need to be checked on the actual instrument being traded. Trading Strategies · 9 Sep 2026 Price ADR Liquidity Before Cross-Border Stock Trades A foreign-company headline can explain why a stock matters, but it does not prove that the U.S.-traded ADR or related listing can handle the order. Before sending the trade, the first question is whether the U.S. instrument has enough spread quality, displayed depth, and connection to the home-market move to justify the intended size. Market Analysis · 2 Sep 2026 Earnings Gaps: Check Liquidity Before the Open A post-earnings move before the regular open is not the same as an executable trade. For investors reacting to an earnings miss or revenue surprise, order size, spread, depth, auction behavior and limit price can matter more than the headline direction of the stock. Trading Strategies · 16 Aug 2026 Market Impact and Liquidity Risk, Explained: The Metrics Institutional Desks Use Before Trading Why two investors can pay very different prices for the same stock on the same day. A plain-language guide to liquidity ratios and market impact modeling, and why they matter more as positions grow. Market Analysis · 11 Jul 2026