Benign Volume Migration

The most likely outcome is that low SPY turnover reflects structural migration toward VOO, IVV, futures, and same-day options rather than a breakdown in liquidity. Dealers, authorized participants, and ETF market makers continue to keep spreads tight, so the headline has limited cross-asset consequences.

Each figure is the modeled move of the S&P 500 if the outcome occurs. For information only. Not investment advice.