Nasdaq · SIEB · stock

Siebert Financial Corp. (SIEB) stock price history

Every Nasdaq trading session of Siebert Financial Corp. from Mar 18, 1980 to Sep 28, 2026: 11,727 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.

SIEB adjusted close, 1980 to 2026

SIEBSiebert Financial Corp.
$2.23-23.6% over one year
1990200020102020
$40.61
All time high, 1999
$4.14
52 week high, $1.53 low
11,727
Daily sessions since 1980

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 1980 to 2026 series and minute bars.

SIEB key facts

  • Siebert Financial Corp. (SIEB) closed at $2.23 on Sep 28, 2026 on Nasdaq.
  • SIEB's all time high close is $40.61, set on Apr 13, 1999; its all time low close is $0.1410 on Dec 23, 1980.
  • SIEB's 52 week range is $1.53 to $4.14.
  • SIEB returned -23.6% over the year to Sep 28, 2026 and -33.6% over five years.
  • Over ten years SIEB returned +86%, +6.4% a year compounded.
  • SIEB's deepest drawdown was -97.6% from Apr 13, 1999 to Nov 10, 2015.
  • DataCedar holds 11,727 daily sessions of SIEB history from Mar 18, 1980 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

SIEB price chart, 1980 to 2026

SIEB adjusted close, Mar 18, 1980 to Sep 28, 2026$0.1442$0.7951$4.38$24.1719801990200020102020
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

SIEB returns

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

PeriodReturn
1 month+1.8%
3 months+31.2%
6 months+17.4%
Year to date-38.2%
1 year-23.6%
3 years+9.9%
5 years-33.6%
10 years+85.9%
Since Mar 18, 1980+1,320%
Compound annual growth, 46.5 years+5.9%

SIEB records

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

All time high close
$40.61 on Apr 13, 1999
All time low close
$0.1410 on Dec 23, 1980
52 week high
$4.14 on Dec 19, 2025
52 week low
$1.53 on Jul 28, 2026
Deepest drawdown
-97.6% from Apr 13, 1999 to Nov 10, 2015, not yet recovered
Best single session
+136.4% on Dec 29, 1998
Worst single session
-41.2% on Dec 30, 1998
Volatility, 1 year annualised
59.8%
Sessions closing higher, 1 year
41%
Growth of 1 since 1980
14.2×
Best calendar year
2017, +353%
Worst calendar year
2000, -72%

SIEB 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. 1980 starts on Mar 18, 1980; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$3.51$3.84$1.53$2.23-36.5%10.4M185
2025$3.08$5.77$2.08$3.51+11.1%16.1M250
2024$1.63$3.31$1.41$3.16+88.1%6.1M252
2023$1.31$3.05$1.31$1.68+23.5%19.3M250
2022$2.42$2.54$1.20$1.36-41.4%6.3M251
2021$4.29$18.50$2.06$2.32-44.8%113.8M252
2020$8.61$9.41$3.13$4.20-51.4%6.5M253
2019$14.54$14.54$8.17$8.65-40.2%2.7M252
2018$13.77$20.80$7.14$14.46+7.1%10.9M251
2017$3.07$21.61$2.16$13.50+353.0%20.3M251
2016$1.11$3.25$0.8630$2.98+167.7%3.6M252
2015$1.86$2.26$0.9838$1.11-41.4%4.3M252
2014$1.39$3.84$1.39$1.90+36.6%1.7M252
2013$1.42$1.57$1.10$1.39-3.6%410.3K252
2012$1.23$1.67$1.17$1.44+16.8%196.4K250
2011$1.48$1.72$1.09$1.23-16.9%291.4K252
2010$2.01$2.15$1.13$1.48-25.5%654K252
2009$1.66$2.52$1.10$1.99+20.3%300.9K252
2008$2.71$3.36$0.8630$1.66-38.9%588.3K253
2007$3.08$4.84$2.57$2.71-14.1%1.4M251
2006$1.91$4.65$1.86$3.16+67.5%2.1M251
2005$3.13$3.56$1.85$1.88-38.2%1.2M252
2004$2.79$4.21$2.17$3.05+9.4%1.5M252
2003$1.73$4.28$1.73$2.79+61.5%2.5M252
2002$3.23$4.40$1.40$1.73-47.5%1.3M252
2001$3.26$5.10$2.95$3.29+1.4%2.3M248
2000$11.72$13.28$2.71$3.24-71.9%11.7M252
1999$7.36$54.86$6.60$11.52+58.8%102.4M252
1998$1.72$14.71$1.72$7.26+321.1%18.8M252
1997$1.82$2.35$0.9954$1.72-5.5%213.2K253
1996$0.5948$2.28$0.5948$1.82+215.3%1M254
1995$0.5903$0.7330$0.5627$0.5787-2.0%140.4K252
1994$0.6311$0.7482$0.5852$0.5903-6.5%141.6K252
1993$0.5794$0.6552$0.5265$0.6311+8.9%322K253
1992$0.5018$0.6663$0.5018$0.5794+15.5%85.2K254
1991$0.3866$0.6133$0.3866$0.5018+29.8%52.4K253
1990$0.5769$0.6410$0.3287$0.3866-33.0%216.4K253
1989$0.4551$0.6923$0.4551$0.5769+26.8%262.8K252
1988$0.3846$0.5384$0.3846$0.4551+18.3%68.8K253
1987$0.4487$0.7179$0.3846$0.3846-14.3%298.4K253
1986$0.5000$0.6154$0.4359$0.4487-10.3%537.6K253
1985$0.3461$0.5384$0.3461$0.5000+44.4%290.8K252
1984$0.3590$0.3846$0.3141$0.3461-3.6%361.2K253
1983$0.1699$0.3974$0.1699$0.3590+111.3%319.2K253
1982$0.1635$0.1955$0.1442$0.1699+3.9%226.4K253
1981$0.1410$0.2147$0.1410$0.1635+15.9%400.8K253
1980$0.1570$0.1891$0.1410$0.1410n/a343.2K200

SIEB monthly closes, last 12 months

MonthMonth end closeChange
September 2026$2.23+0.5%
August 2026$2.22+36.2%
July 2026$1.63-1.2%
June 2026$1.65-11.3%
May 2026$1.86+6.3%
April 2026$1.75-8.9%
March 2026$1.92+1.1%
February 2026$1.90-36.0%
January 2026$2.97-15.4%
December 2025$3.51+9.3%
November 2025$3.21+14.2%
October 2025$2.81-3.8%

About the SIEB data

Daily bars. 11,727 sessions from Mar 18, 1980 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 Mar 18, 1980, 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/SIEB/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

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