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Microstructure, applied

Plain-language guides to how the order book actually works — and how VYX turns each concept into a signal you can scan across the whole market.

Foundations

Price impact & flow

Derivatives & positioning

Smart money & institutions

Trading Hyperliquid

Signals

Wall Extreme

A heavily one-sided order book (bid or ask pressure ≥ 60) that is also rare for this pair (top/…

OFI Pressure

Order-flow imbalance — the net of bids/asks being added, pulled, and hit at the best quotes — r…

Microprice Lean

The microprice — a size-weighted fair value that leans toward the side more likely to get hit n…

Book Flip

The order book swings from clearly ask-heavy to clearly bid-heavy (or vice versa) inside a sing…

Aggressive Sweep

A burst of aggressive market orders sweeps one side of the tape (a large buy or sell run in not…

Delta Absorption

Heavy aggressive flow hits the book but price does NOT move with it — a large buy run met by a…

Whale Print

A single unusually large aggressive print hits the tape (top-tier buy or sell notional) with th…

Thin Wide Book

Liquidity is thin and the spread is wide at the same time — a fragile book where small orders m…

Price Impact Spike

Kyle’s lambda — how many bps the mid moves per $1M of net aggressive flow — has printed a fresh…

Depth Concentration

Resting depth is piled at the touch: the first level holds several times the average size of th…

Steep Book Slope

Resting depth decays steeply across the book: the first three levels hold several times the per…

Amihud Illiquidity

The Amihud measure: absolute candle return in bps per $1M of quote volume traded. A high readin…

OI/Depth Fragility

Open positions dwarf displayed exit liquidity: open-interest notional (OI × price) versus the r…

Pressure Z-Score

Order-book imbalance is statistically unusual for this pair — at least two standard deviations…

Funding Extreme

Perpetual funding is stretched — longs (positive) or shorts (negative) are paying up heavily to…

OI Surge

Open interest jumps sharply alongside a one-sided book — fresh leveraged positions are piling i…

Crowded & One-Sided

Stretched funding and a one-sided order book line up on the same side — the crowd is positioned…

Confirmed Pressure

A high-conviction confluence: strong book imbalance, an OFI extreme, AND an aggressive tape swe…