Volume, meanwhile, is dead simple as it measures the number of contracts that changed hands during a given period. Think of it as measuring how many times the front door of that exclusive club opened and closed over a given period, regardless of who stayed. It thus represents the degree of churn or liquidity available to manage positions.
So, the latest case of volume falling far behind OI is like a large club with a tiny exit door. What happens if a large number of people try to rush out?
Because overall investor positioning is massive, a sudden catalyst could trigger a wave of contract closures, such as forced liquidations due to margin shortages. Without the underlying daily volume to provide liquidity, the market may not be able to absorb the rush smoothly, leading to volatile, exaggerated price swings.
“The risk is mechanical. When open interest towers over daily volume, liquidations meet little resting flow to absorb them, and…