Nasdaq · ASMB · stock

Assembly Biosciences, INC. (ASMB) stock price history

Every Nasdaq trading session of Assembly Biosciences, INC. from Dec 17, 2010 to Sep 28, 2026: 3,967 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.

ASMB adjusted close, 2010 to 2026

ASMBAssembly Biosciences, INC.
$23.61-4.3% over one year
201520202025
$1,215
All time high, 2011
$39.71
52 week high, $21.80 low
3,967
Daily sessions since 2010

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2010 to 2026 series and minute bars.

ASMB key facts

  • Assembly Biosciences, INC. (ASMB) closed at $23.61 on Sep 28, 2026 on Nasdaq.
  • ASMB's all time high close is $1,215, set on May 9, 2011; its all time low close is $7.80 on Nov 21, 2023.
  • ASMB's 52 week range is $21.80 to $39.71.
  • ASMB returned -4.3% over the year to Sep 28, 2026 and -43.6% over five years.
  • Over ten years ASMB returned -75%, -12.9% a year compounded.
  • ASMB's deepest drawdown was -99.4% from May 9, 2011 to Nov 21, 2023.
  • DataCedar holds 3,967 daily sessions of ASMB history from Dec 17, 2010 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

ASMB price chart, 2010 to 2026

ASMB adjusted close, Dec 17, 2010 to Sep 28, 2026$8.63$42.69$211.17$1,045201020122014201620182020202220242026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

ASMB returns

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

PeriodReturn
1 month-30.7%
3 months-11.7%
6 months-14.8%
Year to date-26.5%
1 year-4.3%
3 years+126.1%
5 years-43.6%
10 years-74.7%
Since Dec 17, 2010-93.8%
Compound annual growth, 15.8 years-16.1%

ASMB records

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

All time high close
$1,215 on May 9, 2011
All time low close
$7.80 on Nov 21, 2023
52 week high
$39.71 on Nov 20, 2025
52 week low
$21.80 on Jun 11, 2026
Deepest drawdown
-99.4% from May 9, 2011 to Nov 21, 2023, not yet recovered
Best single session
+71.2% on Oct 17, 2023
Worst single session
-69.4% on Nov 6, 2020
Volatility, 1 year annualised
59.7%
Sessions closing higher, 1 year
51%
Best calendar year
2017, +272%
Worst calendar year
2012, -73%

ASMB 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. 2010 starts on Dec 17, 2010; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$34.15$37.01$21.80$23.61-30.6%34.5M185
2025$15.99$39.71$7.75$34.01+115.5%19.5M250
2024$9.96$19.93$9.12$15.78+60.4%6.4M252
2023$16.20$21.36$7.68$9.84-36.9%13.2M250
2022$27.96$29.40$9.84$15.60-44.2%8.4M251
2021$72.24$84.24$24.36$27.96-61.5%21.9M252
2020$247.56$334.08$57.36$72.60-70.4%10.5M253
2019$267.36$308.16$97.56$245.52-9.5%8.6M252
2018$540.48$808.32$222.96$271.44-50.0%4.3M251
2017$144.12$628.44$142.20$543.00+272.4%2M251
2016$90.00$174.00$51.96$145.80+61.8%966.9K252
2015$92.52$246.00$86.64$90.12-4.5%1.9M252
2014$228.00$281.40$51.00$94.32-58.8%2.1M252
2013$133.20$235.20$114.60$229.20+76.9%949.7K252
2012$485.40$811.80$119.40$129.60-73.0%677.8K250
2011$402.00$1,260$345.00$480.60+21.0%199.4K252
2010$462.60$462.60$360.00$397.20n/a9.5K10

ASMB monthly closes, last 12 months

MonthMonth end closeChange
September 2026$23.61-29.8%
August 2026$33.63+33.9%
July 2026$25.11-8.6%
June 2026$27.48-0.7%
May 2026$27.66+2.6%
April 2026$26.95-2.9%
March 2026$27.75-7.0%
February 2026$29.84+15.7%
January 2026$25.78-24.2%
December 2025$34.01-10.0%
November 2025$37.79+21.7%
October 2025$31.05+21.3%

About the ASMB data

Daily bars. 3,967 sessions from Dec 17, 2010 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 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 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 Dec 17, 2010, 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/ASMB/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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