NYSE · ATEN · stock

A10 Networks, Inc. (ATEN) stock price history

Every NYSE trading session of A10 Networks, Inc. from Mar 21, 2014 to Sep 28, 2026: 3,149 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 2026 forward. The full series is served by the API: a free key covers the last year, paid plans the whole history and minute bars.

ATEN adjusted close, 2014 to 2026

ATENA10 Networks, Inc.
$25.50+40.5% over one year
201620182020202220242026
$38.11
All time high, 2026
$38.49
52 week high, $16.44 low
3,149
Daily sessions since 2014

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.

ATEN key facts

  • A10 Networks, Inc. (ATEN) closed at $25.50 on Sep 28, 2026 on NYSE.
  • ATEN's all time high close is $38.11, set on Jul 9, 2026; its all time low close is $3.29 on Mar 18, 2020.
  • ATEN's 52 week range is $16.44 to $38.49.
  • ATEN returned +40.5% over the year to Sep 28, 2026 and +101.3% over five years.
  • Over ten years ATEN returned +158%, +9.9% a year compounded.
  • ATEN's deepest drawdown was -78.3% from Mar 21, 2014 to Mar 18, 2020.
  • DataCedar holds 3,149 daily sessions of ATEN history from Mar 21, 2014 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

ATEN price chart, 2014 to 2026

ATEN adjusted close, Mar 21, 2014 to Sep 28, 2026$3.38$14.92$26.46$38.002014201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

ATEN returns

Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.

PeriodReturn
1 month-0.8%
3 months-27.1%
6 months+14.4%
Year to date+42.9%
1 year+40.5%
3 years+75.1%
5 years+101.3%
10 years+157.8%
Since Mar 21, 2014+68.6%
Compound annual growth, 12.5 years+4.3%

ATEN records

Measured on the stored closes; every figure is reproducible from the API series.

All time high close
$38.11 on Jul 9, 2026
All time low close
$3.29 on Mar 18, 2020
52 week high
$38.49 on Jul 9, 2026
52 week low
$16.44 on Nov 19, 2025
Deepest drawdown
-78.3% from Mar 21, 2014 to Mar 18, 2020, recovered Oct 29, 2021
Best single session
+34.9% on Oct 29, 2021
Worst single session
-42.4% on Oct 8, 2014
Volatility, 1 year annualised
37.6%
Sessions closing higher, 1 year
55%
Best calendar year
2021, +69%
Worst calendar year
2023, -19%

ATEN price history by year

Open is the first session's open, high and low span the year, close is the last session's close, and the return is close over the previous year's close. 2014 starts on Mar 21, 2014; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$17.71$38.49$16.71$25.50+44.9%205M185
2025$18.19$21.57$13.60$17.60-2.6%212.3M250
2024$12.60$19.02$11.95$18.07+42.1%180.8M252
2023$15.99$16.14$9.65$12.72-19.4%174.4M250
2022$15.55$18.72$11.53$15.78+1.7%215.8M251
2021$9.27$17.78$7.86$15.52+68.7%204.9M252
2020$6.43$10.21$3.20$9.20+43.5%160.4M253
2019$5.72$7.74$5.53$6.41+10.1%96.7M252
2018$7.21$7.30$5.14$5.82-19.2%94.4M251
2017$7.84$9.28$5.62$7.21-7.1%121.8M251
2016$6.07$10.15$4.52$7.76+26.7%108.9M252
2015$4.09$7.75$3.70$6.12+50.5%109.5M252
2014$12.83$15.40$3.64$4.07n/a89M198

ATEN monthly closes, last 12 months

MonthMonth end closeChange
September 2026$25.50+0.4%
August 2026$25.39-14.1%
July 2026$29.57-20.9%
June 2026$37.36+24.0%
May 2026$30.14+13.2%
April 2026$26.62+15.4%
March 2026$23.07+20.0%
February 2026$19.22+10.8%
January 2026$17.35-1.4%
December 2025$17.60+2.7%
November 2025$17.13-3.1%
October 2025$17.69-1.7%

About the ATEN data

Daily bars. 3,149 sessions from Mar 21, 2014 to Sep 28, 2026, one row per NYSE trading day with open, high, low, close and volume. Prices are adjusted for splits and cash dividends so the series is comparable across its whole length; the API also serves the raw, split only and dividend only views.

Minute bars. Stored from Jul 13, 2026 forward, most recent session Sep 28, 2026. Minute history is captured from the day collection began and is never backfilled, so this start date is exact. Five minute, fifteen minute and hourly bars are derived from these minutes.

Time and currency. Session dates are NYSE trading days; minute timestamps are UTC. Prices are in USD. Volume is shares traded on the session.

Get the data. The REST endpoint returns the daily series as JSON with pagination; a free key serves the last year, Quant and above the full history back to Mar 21, 2014, and minute bars come with the paid windows. It takes timeframe (1Min, 5Min, 15Min, 1Hour, 1Day), adjustment, start and end. See the bars endpoint and authentication, and pricing for the plan windows.

curl "https://api.datacedar.com/v3/stocks/ATEN/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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  • ASX ASE Technology Holding Co., Ltd.
  • ATH$A Athene Holding Ltd. Depositary Shares, Each Representing a 1/1,000th Interest in a 6.35% Fixed-to-Floating Rate Perpetual Non-Cumulative Preference Share, Series A
  • ATH$B Athene Holding Ltd. Depositary Shares, Each Representing a 1/1,000th Interest in a 5.625% Fixed Rate Perpetual Non- Cumulative Preference Share, Series B, par value $1.00 per share
  • ATH$D Athene Holding Ltd. Depositary Shares, Each Representing a 1/1,000th Interest in a 4.875% Fixed-Rate Perpetual Non-Cumulative Preference Share, Series D
  • ATH$E Athene Holding Ltd. Depositary Shares, Each Representing a 1/1,000th Interest in a 7.750% Fixed-Rate Reset Perpetual Non-Cumulative Preference Share, Series E

Common questions

ATEN share price history

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