MASS · 908 Devices Inc.

Track MASS — free

$10.01 -0.10 (-0.99%) At close · Aug 14

Market Cap

$413.75M

41.33M

Options Chain

Underlying $10.01 · at close Aug 14, 2026 Options Calculator

Positioning

Aug 21, 2026 · 5 days to expiry · 14 contracts · mixed snapshot sessions · May 29, 2026–Aug 14, 2026; 6 unknown

Put / call OI

—

dated and unknown snapshot sessions

Open interest

—

dated and unknown snapshot sessions

Volume

—

dated and unknown snapshot sessions

Chain

Click any strike for greeks, breakeven and the calculator

Expiry

Aug 21 5d Sep 18 33d Nov 20 96d Feb 19 187d

Calls						Puts
OI	Vol	IV	Δ	Last	Strike	Last	Δ	IV	Vol	OI
4	4	1115.2%	0.954	$7.70		—	—	—	—	0
Call · $2.5 In the money Snapshot session Aug 13, 2026 Last $7.70 Breakeven $10.20 Implied vol 1115.2% Delta 0.954 ≈95% ITM Gamma 0.007 Theta -0.119 Vega 0.001 Open interest 4 Model this call Put · $2.5 Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
4	1	529.2%	0.915	$5.16		$0.20	-0.037	352.8%	1	4
Call · $5 In the money Snapshot session Aug 13, 2026 Last $5.16 Breakeven $10.16 Implied vol 529.2% Delta 0.915 ≈91% ITM Gamma 0.025 Theta -0.092 Vega 0.002 Open interest 4 Model this call Put · $5 Snapshot session Jul 8, 2026 Last $0.20 Breakeven $4.80 Implied vol 352.8% Delta -0.037 ≈4% ITM Gamma 0.019 Theta -0.031 Vega 0.001 Open interest 4 Model this put
66	16	348.2%	0.801	$2.75		$0.99	-0.175	294.9%	1	21
Call · $7.5 In the money Snapshot session Aug 11, 2026 Last $2.75 Breakeven $10.25 Implied vol 348.2% Delta 0.801 ≈80% ITM Gamma 0.067 Theta -0.108 Vega 0.004 Open interest 66 Model this call Put · $7.5 Snapshot session Jun 4, 2026 Last $0.99 Breakeven $6.51 Implied vol 294.9% Delta -0.175 ≈18% ITM Gamma 0.074 Theta -0.085 Vega 0.003 Open interest 21 Model this put
68	1	136.2%	0.489	$0.45		—	-0.575	66.4%	—	0
Call · $10 In the money Snapshot session Aug 14, 2026 Last $0.45 Breakeven $10.45 Implied vol 136.2% Delta 0.489 ≈49% ITM Gamma 0.246 Theta -0.061 Vega 0.005 Open interest 68 Model this call Put · $10 Snapshot session Unknown Last — Breakeven — Implied vol 66.4% Delta -0.575 ≈58% ITM Gamma 0.496 Theta -0.028 Vega 0.005 Open interest 0 Model this put
Underlying $10.01
20	10	300.8%	0.318	$0.05		—	—	—	—	0
Call · $12.5 Snapshot session Jul 23, 2026 Last $0.05 Breakeven $12.55 Implied vol 300.8% Delta 0.318 ≈32% ITM Gamma 0.099 Theta -0.119 Vega 0.005 Open interest 20 Model this call Put · $12.5 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
1	1	345.8%	0.214	$0.23		—	—	—	—	0
Call · $15 Snapshot session May 29, 2026 Last $0.23 Breakeven $15.23 Implied vol 345.8% Delta 0.214 ≈21% ITM Gamma 0.07 Theta -0.111 Vega 0.004 Open interest 1 Model this call Put · $15 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put
0	—	436.5%	0.203	—		—	—	—	—	0
Call · $17.5 Snapshot session Unknown Last — Breakeven — Implied vol 436.5% Delta 0.203 ≈20% ITM Gamma 0.054 Theta -0.138 Vega 0.004 Open interest 0 Model this call Put · $17.5 In the money Snapshot session Unknown Last — Breakeven — Implied vol — Delta — Gamma — Theta — Vega — Open interest 0 Model this put

About this data

Each contract's last price, volume, greeks, implied volatility and open interest belongs to the snapshot session shown in its details; unknown means the provider omitted the timestamp. This chain has mixed snapshot sessions · May 29, 2026–Aug 14, 2026; 6 unknown. Cross-contract positioning totals are shown only when every returned row has the same known session. Bid and ask are not included on this plan.

In-the-money strikes are tinted, deepening toward the money, and the bar beside each open-interest figure scales to the heaviest strike shown.

Key facts CIK 1555279 CUSIP 65443P102 13F (30d) 113 filings 108 filers Visit website Investor relations