Nasdaq · IBIO · stock

iBio, Inc. (IBIO) stock price history

Every Nasdaq trading session of iBio, Inc. from Aug 19, 2008 to Sep 28, 2026: 4,555 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.

IBIO adjusted close, 2008 to 2026

IBIOiBio, Inc.
$1.17+44.4% over one year
2010201520202025
$29,250
All time high, 2011
$3.82
52 week high, $0.7800 low
4,555
Daily sessions since 2008

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2008 to 2026 series and minute bars.

IBIO key facts

  • iBio, Inc. (IBIO) closed at $1.17 on Sep 28, 2026 on Nasdaq.
  • IBIO's all time high close is $29,250, set on Jan 18, 2011; its all time low close is $0.5700 on Aug 12, 2025.
  • IBIO's 52 week range is $0.7800 to $3.82.
  • IBIO returned +44.4% over the year to Sep 28, 2026 and -99.8% over five years.
  • Over ten years IBIO returned -100%, -54.0% a year compounded.
  • IBIO's deepest drawdown was -100.0% from Jan 18, 2011 to Aug 12, 2025.
  • DataCedar holds 4,555 daily sessions of IBIO history from Aug 19, 2008 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

IBIO price chart, 2008 to 2026

IBIO adjusted close, Aug 19, 2008 to Sep 28, 2026$0.6800$23.17$789.47$26,9002010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

IBIO returns

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

PeriodReturn
1 month-14.0%
3 months-29.9%
6 months-33.5%
Year to date-31.6%
1 year+44.4%
3 years-79.8%
5 years-99.8%
10 years-100.0%
Since Aug 19, 2008-100.0%
Compound annual growth, 18.1 years-36.8%

IBIO records

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

All time high close
$29,250 on Jan 18, 2011
All time low close
$0.5700 on Aug 12, 2025
52 week high
$3.82 on Dec 10, 2025
52 week low
$0.7800 on Oct 10, 2025
Deepest drawdown
-100.0% from Jan 18, 2011 to Aug 12, 2025, not yet recovered
Best single session
+192.2% on Mar 27, 2024
Worst single session
-58.1% on Dec 7, 2022
Volatility, 1 year annualised
104.6%
Sessions closing higher, 1 year
42%
Best calendar year
2009, +718%
Worst calendar year
2022, -97%

IBIO 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. 2008 starts on Aug 19, 2008; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$1.95$3.13$1.15$1.17-39.4%210.1M185
2025$2.50$6.89$0.5600$1.93-21.2%722.4M250
2024$1.40$4.98$1.02$2.45+78.8%264.3M252
2023$9.20$52.00$1.16$1.37-84.4%23.9M250
2022$275.00$330.00$7.20$8.80-96.8%2M251
2021$525.00$1,415$265.00$275.00-47.6%3.8M252
2020$130.00$3,725$105.00$525.00+320.0%10.6M253
2019$380.00$700.00$25.00$125.00-66.7%721.9K252
2018$900.00$1,750$250.00$375.00-58.3%79.9K251
2017$2,000$2,800$700.00$900.00-55.0%18.9K251
2016$2,750$4,000$1,650$2,000-28.6%7.2K252
2015$3,450$6,600$2,000$2,800-18.8%46.5K252
2014$1,750$17,400$1,200$3,450+102.9%91.4K252
2013$3,100$4,650$1,400$1,700-45.2%9.3K252
2012$4,500$9,750$3,000$3,100-25.3%8.5K250
2011$15,800$30,300$3,750$4,150-73.7%4.6K252
2010$4,500$17,250$2,150$15,800+251.1%1.1K252
2009$600.00$7,250$600.00$4,500+718.2%330252
2008$2,500$11,250$500.00$550.00n/a23594

IBIO monthly closes, last 12 months

MonthMonth end closeChange
September 2026$1.17-7.9%
August 2026$1.27-9.3%
July 2026$1.40-20.0%
June 2026$1.75-7.9%
May 2026$1.90+12.4%
April 2026$1.69-11.1%
March 2026$1.90-32.6%
February 2026$2.82+34.3%
January 2026$2.10+8.8%
December 2025$1.93+56.9%
November 2025$1.23-23.1%
October 2025$1.60+92.8%

About the IBIO data

Daily bars. 4,555 sessions from Aug 19, 2008 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 Aug 19, 2008, 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/IBIO/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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