908 Devices Inc. (MASS)

The total Gamma Exposure (GEX) for MASS across all expirations is 610.77 shares per 1% move, with 654.02 from calls and 43.25 from puts. The put-call GEX ratio of 0.07 shows call-heavy positioning, potentially creating volatility as market makers hedge by selling into strength and buying weakness. The highest gamma concentration is at the Nov 21, 25 expiration with 441.01 net GEX, which may act as a magnet point for price action. Near-term exposure for Sep 19, 25 suggests potential support from positive gamma hedging flows.