Nasdaq · BKYI · stock

Bio Key International INC (BKYI) stock price history

Every Nasdaq trading session of Bio Key International INC from Feb 21, 1997 to Sep 28, 2026: 7,446 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.

BKYI adjusted close, 1997 to 2026

BKYIBio Key International INC
$1.68-77.6% over one year
200020052010201520202025
$479,520
All time high, 1997
$19.70
52 week high, $1.63 low
7,446
Daily sessions since 1997

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1997 to 2026 series and minute bars.

BKYI key facts

  • Bio Key International INC (BKYI) closed at $1.68 on Sep 28, 2026 on Nasdaq.
  • BKYI's all time high close is $479,520, set on Nov 4, 1997; its all time low close is $1.68 on Sep 28, 2026.
  • BKYI's 52 week range is $1.63 to $19.70.
  • BKYI returned -77.6% over the year to Sep 28, 2026 and -99.7% over five years.
  • Over ten years BKYI returned -100%, -54.4% a year compounded.
  • BKYI's deepest drawdown was -100.0% from Nov 4, 1997 to Sep 28, 2026.
  • DataCedar holds 7,446 daily sessions of BKYI history from Feb 21, 1997 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

BKYI price chart, 1997 to 2026

BKYI adjusted close, Feb 21, 1997 to Sep 28, 2026$1.68$106.83$6,793$432,000200020052010201520202025
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

BKYI returns

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

PeriodReturn
1 month-45.5%
3 months-63.5%
6 months-70.5%
Year to date-71.0%
1 year-77.6%
3 years-98.2%
5 years-99.7%
10 years-100.0%
Since Feb 21, 1997-100.0%
Compound annual growth, 29.6 years-31.7%

BKYI records

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

All time high close
$479,520 on Nov 4, 1997
All time low close
$1.68 on Sep 28, 2026
52 week high
$19.70 on Oct 27, 2025
52 week low
$1.63 on Sep 25, 2026
Deepest drawdown
-100.0% from Nov 4, 1997 to Sep 28, 2026, not yet recovered
Best single session
+140.8% on Mar 11, 2020
Worst single session
-37.5% on Mar 30, 1999
Volatility, 1 year annualised
117.0%
Sessions closing higher, 1 year
41%
Best calendar year
2009, +380%
Worst calendar year
1999, -82%

BKYI 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. 1997 starts on Feb 21, 1997; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$5.50$8.80$1.63$1.68-68.9%27.6M185
2025$16.70$36.80$5.10$5.40-68.4%108.8M250
2024$30.20$34.30$5.20$17.10-43.0%34M252
2023$108.00$162.00$23.40$30.00-71.8%856.4K250
2022$403.20$522.00$93.60$106.20-73.3%50.3K251
2021$648.00$930.60$381.60$397.80-37.2%424K252
2020$720.00$3,715$495.00$633.60-12.0%720.1K253
2019$1,109$2,333$576.00$720.00-33.3%4.6K252
2018$2,736$5,242$1,080$1,080-57.6%6.6K251
2017$3,600$5,285$1,728$2,549-33.2%3.2K251
2016$2,765$5,357$1,901$3,816+38.0%1.1K252
2015$2,419$8,640$1,728$2,765-27.3%1.6K252
2014$5,530$10,368$2,419$3,802-31.2%1.5K252
2013$2,765$14,170$2,074$5,530+77.8%1.2K252
2012$2,419$3,802$1,728$3,110+28.6%400250
2011$4,838$6,912$2,074$2,419-50.0%403252
2010$8,294$9,677$3,110$4,838-41.7%663252
2009$1,728$10,368$1,728$8,294+380.0%1.5K252
2008$4,147$6,912$1,382$1,728-54.5%969253
2007$11,405$12,096$2,419$3,802-66.7%1K251
2006$23,501$32,486$8,640$11,405-52.2%811251
2005$56,333$56,333$17,280$23,846-56.9%1.6K252
2004$39,744$103,680$20,736$55,296+34.5%2.3K252
2003$19,354$50,112$8,640$41,126+108.8%867252
2002$32,141$42,509$8,986$19,699-38.7%298252
2001$9,720$36,979$4,493$32,141+250.1%299248
2000$21,600$56,160$9,180$9,180-57.5%159252
1999$127,440$133,920$12,960$21,600-82.1%338252
1998$341,280$432,000$51,840$120,960-63.2%92252
1997$112,320$479,520$112,320$328,320n/a129218

BKYI monthly closes, last 12 months

MonthMonth end closeChange
September 2026$1.68-45.8%
August 2026$3.10-29.4%
July 2026$4.39-2.7%
June 2026$4.51-0.2%
May 2026$4.52-9.4%
April 2026$4.99-5.8%
March 2026$5.30-18.5%
February 2026$6.50-11.0%
January 2026$7.30+35.2%
December 2025$5.40-33.3%
November 2025$8.10+3.8%
October 2025$7.80+8.3%

About the BKYI data

Daily bars. 7,446 sessions from Feb 21, 1997 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 Feb 21, 1997, 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/BKYI/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

BKYI share price history

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