SPY — structural market context
Structural market context from public regulatory and market data, shown with its as-of dates. Descriptive only: nothing on this page is a recommendation, a prediction, or advice to buy or sell any security.
SPY short interest & days to cover
FINRA consolidated short interest, reported twice a month and published ~2 weeks after each settlement date. % of float uses reported free float. · as of 2026-09-15 (23d ago)
SPY fails-to-deliver (FTD)
SEC fails-to-deliver files, published twice a month with ~6 weeks of delay.
SPY gamma exposure levels
Computed gamma exposure: Black-Scholes gamma from bid-ask implied volatility, OCC open interest (1-3 day lag). Snapshotted every 5 minutes in market hours. Structure, not direction. · as of 2026-10-07
Frequently asked questions
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Not financial advice. Trading involves risk. Descriptive structural context, never a recommendation.