Liquidity Resilience: How Markets Rebuild Their Depth

A single market order can strip the visible book in a blink. Picture the best offer showing 4,000 shares, and then a buyer lifts 12,000 in one print. The top…

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Hawkes Process: Why Market Events Arrive in Clusters

Watch a fast tape for a few minutes and the rhythm gives itself away. Trades, quote changes, and cancellations don't arrive like a metronome. The book goes quiet, then a…

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Queue Priority: How Order Position Shapes Execution

Picture a bid at 50.00 showing 40,000 shares. You add a limit buy at that same price, then watch the prints roll by. Trades go off, the tape ticks, and…

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Order Flow Persistence: Reading Runs of Signed Flow

Watch a fast tape long enough and you'll see it: a stream of prints that keep lifting the offer, one after another, twenty or thirty in a row, and not…

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Limit Order Book: How Market and Limit Orders Fill

Picture a 5,000-share market order hitting a thin small-cap at 10:47 in the morning. The last trade printed at 24.10, so you'd expect a fill somewhere near there. Instead the…

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