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TNDM
$16.52+0.85%
as of close, Oct 20, 2026
☾ AH $16.52 +0.85%
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Tandem Diabetes Care Inc. total returns by year (including dividends)

As of market close, Oct 20, 2026

Tandem Diabetes Care Inc. total returns by year (2014–2026)#

Tandem Diabetes Care Inc. annual returns by year
YearTotal return
2026YTD
-24.8%
2025
-39.0%
2024
+21.8%
2023
-34.2%
2022
-70.1%
2021
+57.3%
2020
+60.5%
2019
+57.0%
2018
+1508.9%
2017
-89.0%
2016
-81.8%
2015
-7.0%
2014
-50.7%
Annualized
-18.2%
2014–2026
Average year
+111.1%
12 full years
Best year
+1508.9%
2018
Worst year
-89.0%
2017
Positive years
5/12
42% up

Total return by period#

Annual

Methodology#

Total returns, dividends reinvested, measured on TNDM. Annualized return is the compound annual growth rate; the current year is year-to-date. Past performance does not predict future returns.

FAQ#

What is Tandem Diabetes Care Inc.'s average annual return?
Since 2014, Tandem Diabetes Care Inc. (TNDM) has returned about -18.2% a year (the compound annual growth rate) and an average calendar-year return of 111.1%.
What were Tandem Diabetes Care Inc.'s best and worst years?
Over 2014–2026, the best year was 2018 (+1508.9%) and the worst was 2017 (-89.0%).
How often is Tandem Diabetes Care Inc. up in a year?
5 of the 12 full years since 2014 were positive — about 42% of the time.

More on Tandem Diabetes Care Inc.