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$SNDK and $MU aggressive buying into the close! Based on gamma we might have flipped to an amplifying regime, which means more aggressive moves are possible. $SNDK open interest shows dealers long a wall of calls at 1,700-1,720 ( around$23M combined). But today's directionalized volume also shows aggressive call buying at 1,700, which can imply dealers are getting shorter gamma there in real time, not longer. Spot price is also below the broader flip level (1,760), so dealer hedging is net