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Smart Investors Daily
TN

NASDAQ · TNDM

Tandem Diabetes Care, Inc.

Healthcare · Medical - Devices

$16.50

Up+$0.00 (+0.00%)

Updated Oct 3, 2026, 12:05 AM

SID Score

4.3/10

Composite research score

Smart Money

—

Institutional and insider signal

Market cap
1.42B
P/E ratio
-6.98
Dividend yield
0.00%
52-week range
$12.07 – $29.65
Volume
2.4M
Avg. volume
2.11M

Price performance · TNDM

TNDM price history

1M range · 19 trading sessions · Daily adjusted prices

Prices through Oct 1, 2026

TNDM closed at $16.50 after 19 trading sessions, down 17.09% for the selected period.

Last close
$16.50
Period change
-17.09%
Period low
$15.22
Period high
$19.90
Daily close
View OHLC price history
TNDM OHLC price history, latest 40 sessions
DateOpenHighLowCloseVolume
Oct 1, 2026$16.42$16.58$16.04$16.502.4M
Sep 30, 2026$16.63$16.68$16.00$16.312.2M
Sep 29, 2026$16.24$16.645$15.87$16.571.89M
Sep 28, 2026$15.60$16.535$15.52$16.422.85M
Sep 25, 2026$15.20$16.18$14.83$15.722.84M
Sep 24, 2026$16.43$16.602$15.20$15.222.65M
Sep 23, 2026$17.44$17.67$15.865$16.382.81M
Sep 22, 2026$17.88$18.03$16.97$17.502.69M
Sep 21, 2026$17.01$17.83$16.60$17.622.1M
Sep 18, 2026$17.13$17.15$16.77$16.872.28M
Sep 17, 2026$17.72$17.72$16.93$17.232.22M
Sep 16, 2026$16.305$18.00$16.12$17.533.87M
Sep 15, 2026$16.66$17.005$16.25$16.282.38M
Sep 14, 2026$17.18$17.62$16.60$16.812.2M
Sep 11, 2026$18.48$18.67$17.065$17.111.79M
Sep 10, 2026$18.77$19.05$18.095$18.311.59M
Sep 9, 2026$19.67$19.73$19.035$19.111.57M
Sep 8, 2026$19.51$20.62$19.34$19.881.64M
Sep 4, 2026$20.04$20.36$19.49$19.901.36M

Latest TNDM news

The latest Smart Investors Daily articles mentioning TNDM.

TNDM research

Overview

Company profile and research snapshot.

Company profile

Tandem Diabetes designs, manufactures, and markets durable insulin pumps for individuals with diabetes. The firm first entered this market in 2012 and has since introduced multiple generations of pumps leading to its current t:slim X2 device. The firm recently launched its smaller Mobi pump and continues to work on Tobi (a tubeless version of Mobi), and the Sigi tubeless patch pump. Nearly three-quarters of total revenue is derived from the US, with the remainder primarily from other developed nations. The pumps themselves generate just over half of total sales, and another one-third is from disposable infusion sets that need to be changed over every 2 to 3 days.

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Analyst outlook

Consensus and target data currently published for this company.

Consensus
—
Average target
$19.80
Implied upside
—
Analysts
—
TNDM recent ratings
DateFirmRatingTarget
Sep 30, 2026CitigroupNeutral—
Sep 24, 2026Truist SecuritiesBuy—
Aug 21, 2026William BlairOutperform—
Aug 7, 2026RBC CapitalOutperform—
Aug 7, 2026CitigroupNeutral—
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Yahoo · Sep 20, 2026

Is Tandem Diabetes Care (TNDM) Undervalued As Investors Weigh Its 34% One Year Return?

Tandem Diabetes Care (TNDM) is back in focus after recent share price swings, with the stock closing at US$16.87. Investors are weighing mixed return figures and fresh financial data on revenue and profit. The share price of US$16.87 comes after a sharp 24.42% decline in the 1 month share price return. However, the 3 month share price return is up 17.64%, and the 1 year total shareholder return of 34.21% indicates momentum that has been building over a longer period, despite weaker 3 and 5...

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