HCA gamma levels.

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

• HCA $458.60 · up 1.66% on the day · positive gamma overall (moves grind and levels hold)
• Levels: ★ Volt, the biggest level 460 (above price · 1.40 / 0.31% away); ↯ Surge, live flow 435 (below price · 23.60 / 5.15% away); ‖ call wall — ceiling, sticky 460 (above price · 1.40 / 0.31% away); ‖ put wall — floor, slippery 430 (below price · 28.60 / 6.24% away); ⚡ gamma flip 434.88 (below price · 23.72 / 5.17% away); ↘ Reversal 430 (below price · 28.60 / 6.24% away)
• Expected move today ±17.0
• Strikes nearest the money (high to low): 470 positive, 465 positive, 460 positive, 455 positive, 450 positive, 445 positive
• Weekly magnet confluence: the next 4 weekly expirations put their biggest positive-gamma level above price (agreement of positioning, not a prediction).
• Since yesterday's close, positioning grew at 430, 460, 470 and faded at 440.
• ATM implied volatility 32.1%