908 Devices Inc. (MASS): fair value, margin of safety and Wheel Score

Is MASS undervalued?

MASS closed at 11.89 on 16 Oct 2026, more than 30% above the GLS average fair value of 0.2993. Only 0 of the 1 models that produced a value sit above the price. By our models the shares are priced well beyond what the filed earnings, cash flow and book value support; the Sunday Scan drops names like this at the "below fair value" rule.

Only 1 of the nine models produced a value (10 Cap); the others need a dividend, positive free cash flow or positive book value the company does not have yet, so the average rests on a narrow base.

The nightly engine files MASS under Speculative / Distressed - negative earnings or a Piotroski score of 3 or less - which caps its Wheel Score at 45 and keeps it out of the Sunday Scan.

Nine valuation models for MASS

Each model turns the latest filed numbers into a value per share; the GLS fair value is the simple average of the ones that produce a positive number. The last two rows are shown for reference and never enter the average. The Quote page lets you switch any model off and add your own margin of safety.

Quality and financial health

Financial health is weak: MASS passes 3 of the nine Piotroski tests. Our screens drop the stock at the health rule; a low score is often the reason a stock looks cheap on the valuation models. The GLS Moat score is low at 2.0 out of 10, which says the ten-year record of revenue, earnings, margins and returns on capital has been inconsistent - growth and shocks rather than steady compounding.

Returns on capital are thin or negative - ROIC -22.8%, ROE -25.5%, ROA -19.3% - with debt at 0.12 times equity and a free-cash-flow yield of 0.1%.

908 Devices Inc. pays no dividend, so the DDM model does not apply and a covered-call holder earns only the premium and any price gain. Revenue comes mainly from Device Sales 69%, Recurring 31%, Contract 1% (quarter Q2 FY2026).

Institutional ownership scores 9/10, insider activity 1/10 and Congressional trading 5/10 on the GLS smart-money scales.

Wheel Score 32: Weak

MASS scores 32 out of 100 on the Wheel Score, in the Weak band (under 50). Value 0/25, Health 7/20, Moat 3/15, Premium 13/20, Stability 9/20. The score is not a judgement on the company; it says the price, quality and premium do not line up for selling puts on it today.

Implied volatility is 88% on the near-the-money contracts 20-60 days out - above the 60% ceiling of the sweet spot. Premiums are large, but the Wheel Score tapers the Premium points (13 of 20) because volatility this high usually comes with a reason. Chain open interest is thin - 1,771 contracts across every expiry - so fills at a fair price are not guaranteed; a 30-45-day put may not exist at a usable strike.

Volume runs at 275k shares a day on a market cap of $491M, with a beta of 0.63 - a low beta, so day-to-day moves are smaller than the market's; the Stability part of the Wheel Score gives that 9 of 20.

The Wheel Score ranks ~7,400 US stocks for selling cash-secured puts and covered calls; it is updated nightly and is not a recommendation. The walkthrough lesson shows how the score fits into a trade, start to finish.

Upcoming events

The next earnings report is due on 9 Nov 2026 (before the open), 24 days away; a 30-45-day put sold today would expire after it, which is worth weighing against the premium.

Earnings, dividend, IPO, split and economic calendars for the whole market, filterable to your watchlists.

Similar stocks in Medical - Specialties

The 12 companies below are the closest to 908 Devices Inc. by market cap within the Medical - Specialties industry, each with its own fact sheet; the Compare page puts up to eight of them side by side.

⚖ Compare MASS with 7 of them   All Healthcare stocks →