What Are Your Moves Tomorrow, September 11, 2026

{"summary": "Author argues SPY will pin at $755 tomorrow due to large negative gamma exposure and over 100,000 put contracts expiring.", "reason": "The author expresses a directional expectation (pinning) based on a specific technical catalyst (gamma exposure and open interest).", "ideas": [{"symbol": "SPY", "direction": "watch", "thesis": "The author claims SPY has large negative gamma exposure at $755 and over 100,000 put contracts expiring tomorrow, which should cause the index to pin at $755. The mechanism is options dealer hedging flow around a heavy open interest strike. The catalyst is tomorrow's expiration. No explicit risk is stated.", "thesis_short": "SPY to pin at $755 on expiry", "quote": "Large negative gex $755 on spy. Over 100,000 put contracts expiring tomorrow. Expect pinning at $755.", "confidence": 0.6, "sentiment": 0.0, "timeframe": "tomorrow"}], "model": "gemini-3.1-flash-lite", "verified": true, "extraction_model": "deepseek-flash"}