Wall Erosion

Context

The term “Wall Erosion,” within cryptocurrency, options trading, and financial derivatives, describes a phenomenon where concentrated positions, often held by market makers or high-frequency trading firms, experience rapid and destabilizing liquidation during periods of heightened volatility. This typically occurs when a large cluster of call or put options, or perpetual futures contracts, have a strike price near the current market price, and a sudden adverse price movement triggers cascading margin calls. Consequently, these positions are forced to unwind, exacerbating the initial price shock and potentially leading to significant market disruption, particularly in less liquid or thinly traded derivative markets.