Nasdaq · ALGS · stock

Aligos Therapeutics, Inc. (ALGS) stock price history

Every Nasdaq trading session of Aligos Therapeutics, Inc. from Oct 16, 2020 to Nov 12, 2026: 1,526 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.

ALGS adjusted close, 2020 to 2026

ALGSAligos Therapeutics, Inc.
$1.98-69.3% over one year
202120222023202420252026
$873.50
All time high, 2021
$13.69
52 week high, $1.92 low
1,526
Daily sessions since 2020

Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2020 to 2026 series and minute bars.

ALGS key facts

  • Aligos Therapeutics, Inc. (ALGS) closed at $1.98 on Nov 12, 2026 on Nasdaq.
  • ALGS's all time high close is $873.50, set on Jan 20, 2021; its all time low close is $1.98 on Nov 12, 2026.
  • ALGS's 52 week range is $1.92 to $13.69.
  • ALGS returned -69.3% over the year to Nov 12, 2026 and -99.5% over five years.
  • Since Oct 16, 2020 ALGS returned -99%, -57.8% a year compounded.
  • ALGS's deepest drawdown was -99.8% from Jan 20, 2021 to Nov 12, 2026.
  • DataCedar holds 1,526 daily sessions of ALGS history from Oct 16, 2020 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

ALGS price chart, 2020 to 2026

ALGS adjusted close, Oct 16, 2020 to Nov 12, 2026$1.98$14.97$113.12$855.002020202120222023202420252026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

ALGS returns

Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.

PeriodReturn
1 month-64.2%
3 months-71.7%
6 months-69.4%
Year to date-78.3%
1 year-69.3%
3 years-88.7%
5 years-99.5%
10 yearsn/a
Since Oct 16, 2020-99.5%
Compound annual growth, 6.1 years-57.8%

ALGS records

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

All time high close
$873.50 on Jan 20, 2021
All time low close
$1.98 on Nov 12, 2026
52 week high
$13.69 on Dec 15, 2025
52 week low
$1.92 on Nov 12, 2026
Deepest drawdown
-99.8% from Jan 20, 2021 to Nov 12, 2026, not yet recovered
Best single session
+55.3% on Sep 9, 2024
Worst single session
-56.7% on Jan 6, 2022
Volatility, 1 year annualised
99.0%
Sessions closing higher, 1 year
48%
Best calendar year
2024, +140%
Worst calendar year
2022, -92%

ALGS 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. 2020 starts on Oct 16, 2020; 2026 runs to Nov 12, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$9.32$10.49$1.92$1.98-78.8%28.7M218
2025$40.45$46.80$3.76$9.32-76.6%34.4M250
2024$16.63$44.39$6.76$39.84+140.0%30.1M252
2023$24.50$60.25$13.48$16.60-30.3%2.3M250
2022$298.25$312.00$21.00$23.83-92.0%2.9M251
2021$701.25$937.75$277.75$296.75-57.1%1.7M252
2020$435.00$891.75$320.50$691.25n/a605.7K53

ALGS monthly closes, last 12 months

MonthMonth end closeChange
November 2026$1.98-58.8%
October 2026$4.80-14.7%
September 2026$5.63-3.9%
August 2026$5.86+38.5%
July 2026$4.23-26.7%
June 2026$5.77+1.2%
May 2026$5.70-4.8%
April 2026$5.99-19.4%
March 2026$7.43+5.7%
February 2026$7.03-12.9%
January 2026$8.07-13.4%
December 2025$9.32-2.7%

About the ALGS data

Daily bars. 1,526 sessions from Oct 16, 2020 to Nov 12, 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 Nov 2, 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 Oct 16, 2020, 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/nasdaq%3AALGS/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

ALGS share price history

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