908 Devices (MASS) Options Chain
NASDAQ: MASSIndustrialsIndustrial Machinery/ComponentsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Expiration date
- Expiration
- May 21, 2027
- Days to expiration
- 223
- Share price
- $12.05
- Put/call ratio (OI)
- 0.08
- Put/call ratio (volume)
- 0.14
- Expected move
- ±$7.79
- Open interest (C / P)
- 12 / 1
MASS options summary
The MASS options chain for the May 21, 2027 expiration lists 3 call and 1 put contracts, with 223 days until expiration. Open interest stands at 12 calls and 1 puts, a put/call ratio of 0.08, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $12.50 strike is 82.8%, which implies the market expects a move of about ±$7.79 (64.7%) in 908 Devices stock by expiration.
The most open interest sits at the $12.50 call (10 contracts) and the $10.00 put (1 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
MASS options chain · May 21, 2027
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| — | — | — | 10.00 | 0.15 | 3.00 | 1.85 | |||||
| 3.50 | 2.00 | 3.80 | 12.50 | — | — | — | |||||
| 1.10 | — | — | 17.50 | — | — | — | |||||
| 1.50 | 0.55 | 1.70 | 20.00 | — | — | — | |||||
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 May 21, 2027 expiration, the MASS put/call ratio based on open interest is 0.08 (1 puts vs 12 calls), and 0.14 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 May 21, 2027 is about 82.8%, 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.