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 $278.84 · down 0.94% on the day · positive gamma overall (moves grind and levels hold)
• Levels: ★ Volt — biggest level 300 (above price · 21.16 / 7.59% away); ↯ Surge — live flow 300 (above price · 21.16 / 7.59% away); ‖ call wall — ceiling, sticky 300 (above price · 21.16 / 7.59% away); ‖ put wall — floor, slippery 260 (below price · 18.84 / 6.76% away); ⚡ gamma flip 258.32 (below price · 20.52 / 7.36% away); ↘ Reversal 260 (below price · 18.84 / 6.76% away)
• Expected move today ±11.2 · pre-open reference
• Strikes nearest the money (high to low): 300 positive, 290 positive, 280 positive, 270 negative, 260 negative, 250 positive
• Since yesterday's close, positioning grew at 260, 290, 300 and faded at 310, 320, 330.
• ATM implied volatility 27.2%