908 Devices (MASS) Options Chain
NASDAQ: MASSIndustrialsIndustrial Machinery/ComponentsUSD
Market open · Delayed 15 min · as of Oct 9, 1:23 PM ET
Expiration date
- Expiration
- Oct 16, 2026
- Days to expiration
- 7
- Share price
- $11.86
- Put/call ratio (OI)
- 0.03
- Put/call ratio (volume)
- 0.67
- Expected move
- ±$1.48
- Open interest (C / P)
- 566 / 19
MASS options summary
The MASS options chain for the October 16, 2026 expiration lists 4 call and 1 put contracts, with 7 days until expiration. Open interest stands at 566 calls and 19 puts, a put/call ratio of 0.03, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.50 strike is 90.0%, which implies the market expects a move of about ±$1.48 (12.5%) in 908 Devices stock by expiration.
The most open interest sits at the $10.00 call (503 contracts) and the $10.00 put (19 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MASS options chain · October 16, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 9.90 | 8.40 | 10.80 | 2.50 | — | — | — | |||||
| 2.75 | 1.15 | 3.20 | 10.00 | 0.00 | 0.75 | 0.27 | |||||
| 0.16 | 0.05 | 0.70 | 12.50 | — | — | — | |||||
| 0.05 | 0.00 | 0.75 | 15.00 | — | — | — | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the MASS put/call ratio?
For the October 16, 2026 expiration, the MASS put/call ratio based on open interest is 0.03 (19 puts vs 566 calls), and 0.67 based on today's volume. A ratio above 1 means more puts than calls.
What is MASS's implied volatility?
At-the-money implied volatility for MASS options expiring October 16, 2026 is about 90.0%, an annualized estimate of how much the market expects 908 Devices stock to move.
How many MASS option expiration dates are there?
MASS has 4 listed expiration dates, from Oct 16, 2026 to May 21, 2027.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.