908 Devices Inc. (MASS)
NASDAQ: MASS
· Real-Time Price · USD
8.01
-0.21 (-2.55%)
At close: Sep 26, 2025, 3:59 PM
8.00
-0.12%
After-hours: Sep 26, 2025, 06:58 PM EDT
MASS Gamma Exposure By Expiry
The total Gamma Exposure (GEX) for MASS across all expirations is 643.91 shares per 1% move, with 747.23 from calls and 103.32 from puts. The put-call GEX ratio of 0.14 shows call-heavy positioning, potentially creating volatility as market makers hedge by selling into strength and buying weakness.
MASS GEX Table
| Expiry Date | Call GEX | Put GEX | Net GEX | P/C GEX |
|---|---|---|---|---|
| Oct 17, 25 | 46.71 | -12.56 | 34.15 | 0.27 |
| Nov 21, 25 | 556.53 | -58.48 | 498.05 | 0.11 |
| Jan 16, 26 | 0 | 0 | 0 | n/a |
| Feb 20, 26 | 140.06 | -31.55 | 108.51 | 0.23 |
| May 15, 26 | 3.93 | -0.73 | 3.2 | 0.19 |