STM gamma levels.

Where STM tends to stick and where it slips: the call wall, put wall, gamma flip and Volt, 15-minute delayed and free.

• STM $50.48 · down 3.03% on the day · positive gamma overall (moves grind and levels hold)
• Levels: ★ Volt, the biggest level 55 (above price · 4.52 / 8.95% away); ↯ Surge, live flow 53 (above price · 2.52 / 4.99% away); ‖ call wall — ceiling, sticky 55 (above price · 4.52 / 8.95% away); ‖ put wall — floor, slippery 49 (below price · 1.48 / 2.93% away); ⚡ gamma flip 49.86 (below price · 0.62 / 1.23% away); ↘ Reversal 49 (below price · 1.48 / 2.93% away)
• Expected move today ±3.07
• Strikes nearest the money (high to low): 52 negative, 51 negative, 50 negative, 49.5 negative, 49 negative, 48.5 negative
• Since yesterday's close, positioning grew at 49, 49.5 and faded at 55, 57, 60.
• Event pricing: the options market prices an unusually large move into 2026-10-30 (±$8.08 by that date, about 1.8x this board's normal daily move). On single names this is usually an earnings report. Descriptive of the market's own pricing, never a forecast.
• ATM implied volatility 65.6%