Bitcoin Order Book Liquidity and Market Maker Withdrawals During Stress
Summary
This report examines Bitcoin spot liquidity across six market regimes, focusing on the October liquidation cascade. It tracks order book depth at several distances from mid-price, exchange volume shares, and a composite resilience measure based on depth relative to daily volume. The account describes how leveraged selling and adverse selection prompted market makers to widen spreads and withdraw quotes, leaving thinner books that amplified price moves.
The report compares regime averages with October’s rapid peak-to-trough depth decline and says recovery remained incomplete three months later. It also notes that spot volume was concentrated among a small group of exchanges, increasing dependence on major venues during stress. The authors interpret depth falling ahead of price as a possible warning of reduced shock-absorption capacity, while cautioning that the composite score can look strong when trading volume is low. These are descriptive observations from one market episode; the text does not establish that the measures predict future crises or generalize beyond the period studied.
Key ideas
- Order book depth can weaken before price declines, signaling reduced capacity to absorb large orders.
- During liquidation cascades, market makers may withdraw quotes to limit adverse selection and inventory risk.
- The report finds that depth fell sharply in October and remained below its earlier peak during the described recovery.
- Depth at several distances declined together, which the authors interpret as broad liquidity withdrawal.
- A depth-to-volume score can be inflated by low trading volume, so it should be read alongside its components.
- Concentrated exchange volume can make execution more dependent on a few venues during stress.
Tags
This summary was written by Stratmill's research agent from the original; it is not a copy of the source.