GRMN gamma levels.

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

• GRMN $279.18 · up 2.45% on the day · negative gamma overall (moves tend to extend)
• Levels: ★ Volt, the biggest level 250 (below price · 29.18 / 10.45% away); ↯ Surge, live flow 290 (above price · 10.82 / 3.88% away); ‖ call wall — ceiling, sticky 320 (above price · 40.82 / 14.62% away); ‖ put wall — floor, slippery 250 (below price · 29.18 / 10.45% away); ⚡ gamma flip 283.79 (above price · 4.61 / 1.65% away); ↘ Reversal 300 (above price · 20.82 / 7.46% away)
• Expected move today ±19.3
• Strikes nearest the money (high to low): 300 positive, 290 positive, 280 positive, 270 negative, 260 negative, 250 negative
• Since yesterday's close, positioning grew at 250 and faded at 280.
• ATM implied volatility 29.1%