Nasdaq · ISTR · stock

Investar Holding Corp (ISTR) stock price history

Every Nasdaq trading session of Investar Holding Corp from Jul 1, 2014 to Sep 28, 2026: 3,079 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.

ISTR adjusted close, 2014 to 2026

ISTRInvestar Holding Corp
$29.33+27.5% over one year
201620182020202220242026
$31.10
All time high, 2026
$31.51
52 week high, $21.17 low
3,079
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.

ISTR key facts

  • Investar Holding Corp (ISTR) closed at $29.33 on Sep 28, 2026 on Nasdaq.
  • ISTR's all time high close is $31.10, set on Sep 4, 2026; its all time low close is $8.10 on Mar 23, 2020.
  • ISTR's 52 week range is $21.17 to $31.51.
  • ISTR returned +27.5% over the year to Sep 28, 2026 and +49.4% over five years.
  • Over ten years ISTR returned +123%, +8.3% a year compounded.
  • ISTR's deepest drawdown was -68.2% from Jul 6, 2018 to Mar 23, 2020.
  • DataCedar holds 3,079 daily sessions of ISTR history from Jul 1, 2014 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

ISTR price chart, 2014 to 2026

ISTR adjusted close, Jul 1, 2014 to Sep 28, 2026$9.30$16.43$23.55$30.672014201620182020202220242026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

ISTR returns

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

PeriodReturn
1 month-3.2%
3 months-1.4%
6 months+10.3%
Year to date+10.4%
1 year+27.5%
3 years+190.7%
5 years+49.4%
10 years+122.8%
Since Jul 1, 2014+142.1%
Compound annual growth, 12.2 years+7.5%

ISTR records

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

All time high close
$31.10 on Sep 4, 2026
All time low close
$8.10 on Mar 23, 2020
52 week high
$31.51 on Jan 26, 2026
52 week low
$21.17 on Oct 17, 2025
Deepest drawdown
-68.2% from Jul 6, 2018 to Mar 23, 2020, recovered Dec 4, 2025
Best single session
+13.3% on Mar 30, 2020
Worst single session
-25.3% on Mar 16, 2020
Volatility, 1 year annualised
22.5%
Sessions closing higher, 1 year
50%
Growth of 1 since 2014
2.4×
Best calendar year
2024, +51%
Worst calendar year
2020, -30%

ISTR 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 Jul 1, 2014; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$26.62$31.51$25.95$29.33+10.7%26.9M185
2025$21.37$27.61$15.05$26.50+24.2%8.8M250
2024$14.17$23.99$13.96$21.34+50.7%10.4M252
2023$19.93$20.45$8.56$14.17-28.6%6.4M250
2022$16.44$21.65$16.35$19.84+19.0%4.1M251
2021$14.91$21.19$13.96$16.66+13.0%9.4M252
2020$20.89$21.37$7.44$14.75-29.8%6.3M253
2019$21.69$23.12$18.72$21.02-2.3%3.8M252
2018$19.91$25.84$16.87$21.51+3.7%4.1M251
2017$15.87$21.17$15.71$20.74+29.6%5.1M251
2016$14.85$16.90$11.66$16.00+6.2%2.3M252
2015$11.96$15.40$11.40$15.06+27.3%1.7M252
2014$12.14$16.21$11.09$11.83n/a2.4M128

ISTR monthly closes, last 12 months

MonthMonth end closeChange
September 2026$29.33-2.7%
August 2026$30.13+0.0%
July 2026$30.12+0.5%
June 2026$29.96+6.4%
May 2026$28.15+2.0%
April 2026$27.60+1.6%
March 2026$27.16-3.0%
February 2026$28.00-0.8%
January 2026$28.22+6.5%
December 2025$26.50+8.2%
November 2025$24.50+4.4%
October 2025$23.47+2.4%

About the ISTR data

Daily bars. 3,079 sessions from Jul 1, 2014 to Sep 28, 2026, one row per Nasdaq 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 25, 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 Nasdaq 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 Jul 1, 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/ISTR/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on Nasdaq

  • ISRG Intuitive Surgical INC
  • ISRL Defiance KSM Israel 120 ETF
  • ISTB iShares Core 1-5 Year USD Bond ETF
  • ISTM iShares Strategic Metals ETF
  • ISUL GraniteShares 2x Long ISRG Daily ETF
  • ITG ITG, Inc./DE/
  • ITHA ITHAX Acquisition Corp III
  • ITHAU ITHAX Acquisition Corp III

Common questions

ISTR share price history

Start with any symbol.