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TNDMTandem Diabetes Care, Inc.Sell5.1·$15.32-2.73%
SellModerate Confidence
Investment thesis

Tandem Diabetes Care offers 56.8% analyst-implied upside with three of the last four quarters showing earnings beats and improving EPS surprises, but a quality score of 3.1 below the investment floor, 23% short interest, and a single critical supplier dependency on Unomedical make this a high-risk setup.

Thesis pillars

  • High Analyst Upside RecoveryStable
  • Improving Earnings Beat PatternStable
  • Below Floor Quality Cash BurnStable
  • +1 more pillar — see the Why tab for full reasoning

Full reasoning →

Open full analysis

Tandem Diabetes Care, Inc. (TNDM) Stock Analysis

Range Bound setup

SellVALUE-TRAP 1/5Moderate Confidence

Healthcare · Medical Devices

Sell if holding. Engine safety override at $15.32: Quality below floor (3.1 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 5.1/10 and A.R:R 5.8:1 is above the 1.5:1 BUY gate. Specifically: High short interest: 21%; Elevated put/call ratio: 1.85; Below-average business quality.

Tandem Diabetes Care develops and commercializes insulin pump systems under the t:slim X2 and Tandem Mobi brands, with Control-IQ+ AID technology, serving nearly 500,000 people across more than 25 countries. Revenue is generated from pump sales and recurring single-use supplies... Read more

$15.32+69.6% A.UpsideScore 5.1/10#47 of 64 Medical Devices
QualityF-score6 / 9FCF yield-1.93%
Stop $14.25Target $25.99(analyst − 10%)A.R:R 5.8:1
Analyst target$28.88+88.5%20 analysts
$25.99our TP
$15.32price
$28.88mean
$50

Sell if holding. Engine safety override at $15.32: Quality below floor (3.1 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 5.1/10 and A.R:R 5.8:1 is above the 1.5:1 BUY gate. Specifically: High short interest: 21%; Elevated put/call ratio: 1.85; Below-average business quality. Chart setup: RSI 47 mid-range, Bollinger mid-band. Score 5.1/10, moderate confidence.

Passes 6/8 gates (favorable risk/reward ratio, clean insider activity, news events none recent, earnings proximity 34d clear, semi cycle peak clear, materials cycle peak clear). Fails on weak momentum. Suitability: speculative.

10-K grounded · weekly refresh

About Tandem Diabetes Care, Inc.

About Tandem Diabetes Care, Inc.

Tandem Diabetes Care commercializes two insulin pump platforms — the t:slim X2 and Tandem Mobi — both featuring Control-IQ+ automated insulin delivery technology cleared by the FDA in March 2025 for type 2 patients aged 18 and older, building on its type 1 clearance for patients aged 2 and older. The company assembles pumps at its San Diego, California facility and serves nearly 500,000 people in more than 25 countries. Mobi with Android control launched in December 2025, extending the platform further.

Revenue comes from durable pump sales and recurring single-use supplies — insulin cartridges and infusion sets replaced every three to seven days. In the U.S. and Canada, distribution runs through independent distributors for order fulfillment while Tandem's own sales, clinical, and customer support teams manage the patient relationship. The company is transitioning toward a pharmacy benefit reimbursement model as an alternative to the traditional durable medical equipment channel, which could reduce upfront pump payments while increasing recurring supply revenue per customer. Unomedical A/S, a ConvaTec subsidiary, manufactures all commercially marketed infusion sets as a sole-source supplier. Two independent distributors each represented more than 10% of worldwide 2025 sales. Competitors include Insulet, Medtronic, Beta Bionics, mylife, and Sequel.

Show full overview

The FDA's December 2025 finalization of competitive bidding for insulin pumps and continuous glucose monitors under CMS — alongside a proposed shift to monthly rental reimbursement — introduces structural pricing pressure to Tandem's U.S. durable medical equipment channel. The company's ACE pump and iAGC classification under FDA Class II special controls provides a streamlined regulatory path but requires ongoing satisfaction of those controls, or products revert to the full PMA process. Tandem also depends on CGM integrations with Dexcom and Abbott, which can be terminated on relatively short notice; in May 2026, the company terminated Chief Commercial Officer Mark Novara without cause, leaving the commercial leadership role vacant.

See also: Healthcare · Medical Devices

From Tandem Diabetes Care, Inc.'s most recent 10-K filing, extracted June 16, 2026.

news + 30-day 8-K events · 5-min refresh

Recent developments

updated 2026-07-06
TrendMatrix Research · upcoming catalyst calendar

Upcoming dated catalysts

Thu, Aug 6, 202634d to earnings· next earnings call

Thesis

Rewards
No bull case signals
Risks
Concentration risk — Supplier: Unomedical A/S
Quality below floor (3.1 < 4.0)

Key Metrics

P/E (TTM)
P/E (Fwd)197.0
Mkt Cap$1.0B
EV/EBITDA-28.1
Profit Mgn-9.2%
ROE-65.7%
Rev Growth5.5%
Beta1.58
DividendNone
Rating analysts29

Quality Signals

Piotroski F6/9

Options Flow

P/C1.85bearish
IV104%elevated

Concentration Risks(10-K Item 1A)

  • LOWCustomertwo independent distributors >10%
    10-K Item 1: 'two independent distributors each accounted for more than 10% of our worldwide sales'
  • HIGHSupplierUnomedical A/S
    10-K Item 1: 'we purchase all of our currently marketed infusion sets from a third-party supplier, Unomedical A/S, a subsidiary of the ConvaTec Group'

Material Events(8-K, last 90d)

  • 2026-05-21Item 3.03LOW
    Stockholders at May 20, 2026 annual meeting approved charter amendments to allow director removal with or without cause (DGCL §141(k)) and to limit officer liability (DGCL §102(b)(7)). Amended charter filed with Delaware Secretary of State on May 21, 2026.
    SEC filing →
  • 2026-05-15Item 5.02MEDIUM
    Mark Novara, EVP and Chief Commercial Officer, notified May 11, 2026 of termination without cause; last day May 18, 2026. No successor named. Company stated strategy and 2026 goals remain unchanged.
    SEC filing →

Model-generated analysis — not investment advice. Not a registered investment advisor. Past performance does not guarantee future results.

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Methodology · Editorial policy & full disclaimer

Rating Breakdown

4 floor-breakers

Volatile — 6.0% daily ATR makes tight stops impractical. Position-size conservatively.static

Volatility
0.0
Implied Vol
0.0
Debt Equity
0.0
Put Call
1.0
Short Interest
1.4
Beta
4.7
Days To Cover
7.0
High short interest justified: 21%Elevated put/call: 1.85High IV: 104%Concentration risks: 1 HIGH (10-K Item 1A — sized via position_sizing, validated via buy_confidence)

Price action weak — below key moving averages, no momentum carry. Needs a base before trend-continuation setups apply.static

Obv
1.0
Volume
1.3
Ma Position
2.2
Macd
4.0
Rsi
4.5
Volume distribution (falling OBV)Below 200-MA but MA still rising (+3.5%/30d) — pullback in uptrend, not confirmed weakness

Unprofitable operations — net margin -9.2%. Quality floor flags this regardless of sector context.static

Roe
0.0
Roa
0.0
Operating Margin
0.0
Net Margin
0.0
Fcf Quality
0.0
Moat
5.1
Piotroski F
6.7
Gross Margin
7.0
Current Ratio
9.4
Cash-burning: FCF -2% of revenueNo competitive moat

Ranks in the bottom of its industry peers on the composite signal. Better names in the same sector exist.static

Quality Rank
1.8
Growth Rank
3.4
Value Rank
8.7
GatesMomentum 2.6<4.5Executive change: officer departure/appointmentA.R:R 5.8 ≥ 1.5Insider activity: OKNEWS EVENTS NONE RECENTEARNINGS PROXIMITY 34d clearSEMI CYCLE PEAK CLEARMATERIALS CYCLE PEAK CLEARRange BoundSuitability: Speculative
RSI
47 · Neutral
20D MA 50D MA 200D MADEATH CROSSSupport $13.95Resistance $20.62

Price Targets

$14
$26
A.Upside+69.6%
A.R:R5.8:1

Position Sizing

ConvictionNone
Suggested %0.5%
Max %1%
RegimeSteady

Risk Alerts

! Quality below floor (3.1 < 4.0)
! momentum at 2.6 (below the engine's 4.5 threshold)

Earnings

B
B
B
M
3/4 beats
Next Earnings2026-08-06 (34d)

Verdict History

reverse chrono — latest first
Loading history...
Verdicts are recorded on every nightly pipeline run. Rows capture transitions (verdict flips, score deltas ≥0.3, entry/TP/SL changes). Rows with a ▶ can be expanded to see the change reason. Aggregate cohort performance is tracked in the recommendation ledger.
Frequently Asked Questions
Is TNDM stock a buy right now?

Sell if holding. Engine safety override at $15.32: Quality below floor (3.1 < 4.0) triggers a hard block regardless of the otherwise-positive setup — overall score 5.1/10 and A.R:R 5.8:1 is above the 1.5:1 BUY gate. Specifically: High short interest: 21%; Elevated put/call ratio: 1.85; Below-average business quality. Chart setup: RSI 47 mid-range, Bollinger mid-band. Prior stop was $14.25. Score 5.1/10, moderate confidence.

What is the TNDM stock price target?

Take-profit target: $25.99 (+69.6% upside). Prior stop was $14.25. Stop-loss: $14.25.

What are the risks of investing in TNDM?

Concentration risk — Supplier: Unomedical A/S; Quality below floor (3.1 < 4.0).

Is TNDM overvalued or undervalued?

Tandem Diabetes Care, Inc. trades at a P/E of N/A (forward 197.0). TrendMatrix value score: 6.8/10. Verdict: Sell.

What do analysts say about TNDM?

29 analysts cover TNDM with a consensus score of 3.8/5. Average price target: $29.

What does Tandem Diabetes Care, Inc. do?Tandem Diabetes Care develops and commercializes insulin pump systems under the t:slim X2 and Tandem Mobi brands, with...

Tandem Diabetes Care develops and commercializes insulin pump systems under the t:slim X2 and Tandem Mobi brands, with Control-IQ+ AID technology, serving nearly 500,000 people across more than 25 countries. Revenue is generated from pump sales and recurring single-use supplies (cartridges and infusion sets) distributed through independent distributors; two distributors each exceeded 10% of 2025 worldwide sales.

Related stocks: DCTH (Delcath Systems, Inc.) · BWAY (Brainsway Ltd.) · TCMD (Tactile Systems Technology, Inc) · ATEC (Alphatec Holdings, Inc.) · MOBI (Mobia Medical, Inc.)
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