HCA gamma levels.

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

• HCA $417.82 · down 0.36% on the day · positive gamma overall (sticky: moves grind and levels hold)
• Levels: ★ Volt — biggest level 430 (above price · 12.18 / 2.92% away); ‖ call wall — ceiling, sticky 430 (above price · 12.18 / 2.92% away); ‖ put wall — floor, slippery 405 (below price · 12.82 / 3.07% away); ⚡ gamma flip 389.88 (below price · 27.94 / 6.69% away); ↘ Reversal 405 (below price · 12.82 / 3.07% away)
• Expected move today ±28.5
• Strikes nearest the money (high to low): 430 sticky, 425 sticky, 420 sticky, 415 slippery, 410 slippery, 405 slippery
• Since yesterday's close, positioning grew at 430.
• ATM implied volatility 26.1%