Nasdaq · MDAI · stock

Spectral AI, Inc. (MDAI) stock price history

Every Nasdaq trading session of Spectral AI, Inc. from Apr 6, 2021 to Sep 28, 2026: 1,377 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.

MDAI adjusted close, 2021 to 2026

MDAISpectral AI, Inc.
$1.61-23.2% over one year
20222023202420252026
$14.43
All time high, 2023
$2.97
52 week high, $1.18 low
1,377
Daily sessions since 2021

Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.

MDAI key facts

  • Spectral AI, Inc. (MDAI) closed at $1.61 on Sep 28, 2026 on Nasdaq.
  • MDAI's all time high close is $14.43, set on Sep 7, 2023; its all time low close is $0.9400 on Sep 24, 2024.
  • MDAI's 52 week range is $1.18 to $2.97.
  • MDAI returned -23.2% over the year to Sep 28, 2026 and -83.4% over five years.
  • Since Apr 6, 2021 MDAI returned -83%, -28.0% a year compounded.
  • MDAI's deepest drawdown was -93.5% from Sep 7, 2023 to Sep 24, 2024.
  • DataCedar holds 1,377 daily sessions of MDAI history from Apr 6, 2021 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.

MDAI price chart, 2021 to 2026

MDAI adjusted close, Apr 6, 2021 to Sep 28, 2026$1.05$2.50$5.97$14.23202120222023202420252026
Adjusted daily close, log scale. 260 sampled points across the full history; the API serves every session.

MDAI returns

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

PeriodReturn
1 month+2.5%
3 months-5.8%
6 months+8.1%
Year to date+16.7%
1 year-23.2%
3 years-48.6%
5 years-83.4%
10 yearsn/a
Since Apr 6, 2021-83.4%
Compound annual growth, 5.5 years-28.0%

MDAI records

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

All time high close
$14.43 on Sep 7, 2023
All time low close
$0.9400 on Sep 24, 2024
52 week high
$2.97 on May 26, 2026
52 week low
$1.18 on Mar 18, 2026
Deepest drawdown
-93.5% from Sep 7, 2023 to Sep 24, 2024, not yet recovered
Best single session
+41.3% on Sep 7, 2023
Worst single session
-55.1% on Sep 12, 2023
Volatility, 1 year annualised
67.5%
Sessions closing higher, 1 year
43%
Best calendar year
2024, +15%
Worst calendar year
2023, -76%

MDAI 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. 2021 starts on Apr 6, 2021; 2026 runs to Sep 28, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026$1.46$2.97$1.18$1.61+13.4%90.6M185
2025$2.88$3.21$1.04$1.42-49.8%130.3M250
2024$2.50$3.72$0.8240$2.83+15.0%305.6M252
2023$9.95$19.50$2.20$2.46-75.6%81.5M250
2022$9.81$10.80$9.71$10.10+3.0%21.2M251
2021$9.66$9.99$9.61$9.81n/a10.4M189

MDAI monthly closes, last 12 months

MonthMonth end closeChange
September 2026$1.61+2.5%
August 2026$1.57+1.3%
July 2026$1.55-10.4%
June 2026$1.73-16.4%
May 2026$2.07+1.0%
April 2026$2.05+39.5%
March 2026$1.47+5.0%
February 2026$1.40-20.0%
January 2026$1.75+23.2%
December 2025$1.42-11.8%
November 2025$1.61-24.4%
October 2025$2.13-6.6%

About the MDAI data

Daily bars. 1,377 sessions from Apr 6, 2021 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 Apr 6, 2021, 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/MDAI/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

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Common questions

MDAI share price history

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