Nasdaq Stockholm · ORT-B · stock

Ortoma AB (publ) (ORT-B) stock price history

Every Nasdaq Stockholm trading session of Ortoma AB (publ) from Apr 5, 2023 to Nov 13, 2026: 900 daily bars, adjusted for splits and dividends, with minute bars from Sep 17, 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.

ORT-B adjusted close, 2023 to 2026

ORT-BOrtoma AB (publ)
SEK 10.46-30.3% over one year
202420252026
SEK 29.90
All time high, 2025
SEK 16.95
52 week high, SEK 6.81 low
900
Daily sessions since 2023

Last updated Nov 13, 2026, the last stored session. Refreshes after each trading day. Full 2023 to 2026 series and minute bars.

ORT-B key facts

  • Ortoma AB (publ) (ORT-B) closed at SEK 10.46 on Nov 13, 2026 on Nasdaq Stockholm.
  • ORT-B's all time high close is SEK 29.90, set on Jul 21, 2025; its all time low close is SEK 6.50 on May 12, 2023.
  • ORT-B's 52 week range is SEK 6.81 to SEK 16.95.
  • ORT-B returned -30.3% over the year to Nov 13, 2026.
  • Since Apr 5, 2023 ORT-B returned +31%, +7.7% a year compounded.
  • ORT-B's deepest drawdown was -76.8% from Jul 21, 2025 to Oct 13, 2026.
  • DataCedar holds 900 daily sessions of ORT-B history from Apr 5, 2023 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.

ORT-B price chart, 2023 to 2026

ORT-B adjusted close, Apr 5, 2023 to Nov 13, 2026SEK 6.50SEK 12.90SEK 19.30SEK 25.702023202420252026
Adjusted daily close. 260 sampled points across the full history; the API serves every session.

ORT-B returns

Price return from the last close on or before the window start to Nov 13, 2026, on adjusted closes.

PeriodReturn
1 month+50.5%
3 months+45.7%
6 months+20.4%
Year to date-23.4%
1 year-30.3%
3 years+35.1%
5 yearsn/a
10 yearsn/a
Since Apr 5, 2023+30.8%
Compound annual growth, 3.6 years+7.7%

ORT-B records

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

All time high close
SEK 29.90 on Jul 21, 2025
All time low close
SEK 6.50 on May 12, 2023
52 week high
SEK 16.95 on Nov 28, 2025
52 week low
SEK 6.81 on Mar 23, 2026
Deepest drawdown
-76.8% from Jul 21, 2025 to Oct 13, 2026, not yet recovered
Best single session
+36.4% on Oct 30, 2026
Worst single session
-34.7% on Mar 3, 2026
Volatility, 1 year annualised
79.0%
Sessions closing higher, 1 year
42%
Best calendar year
2025, +47%
Worst calendar year
2024, -12%

ORT-B 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. 2023 starts on Apr 5, 2023; 2026 runs to Nov 13, 2026.

YearOpenHighLowCloseReturnVolumeSessions
2026SEK 13.90SEK 14.95SEK 6.81SEK 10.46-23.4%11.5M215
2025SEK 9.28SEK 33.60SEK 7.06SEK 13.65+47.1%11.4M249
2024SEK 10.45SEK 12.85SEK 6.90SEK 9.28-11.6%4.9M251
2023SEK 8.10SEK 17.45SEK 6.22SEK 10.50n/a7.6M185

ORT-B monthly closes, last 12 months

MonthMonth end closeChange
November 2026SEK 10.46+7.3%
October 2026SEK 9.75+29.7%
September 2026SEK 7.52+0.5%
August 2026SEK 7.48-2.2%
July 2026SEK 7.65-10.0%
June 2026SEK 8.50+6.0%
May 2026SEK 8.02-4.6%
April 2026SEK 8.41+9.8%
March 2026SEK 7.66-34.8%
February 2026SEK 11.75-12.0%
January 2026SEK 13.35-2.2%
December 2025SEK 13.65-14.7%

About the ORT-B data

Daily bars. 900 sessions from Apr 5, 2023 to Nov 13, 2026, one row per Nasdaq Stockholm 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 Sep 17, 2026 forward, most recent session Nov 5, 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 Stockholm trading days; minute timestamps are UTC. Prices are in SEK. 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 5, 2023, 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-stockholm%3AORT-B/bars?timeframe=1Day&adjustment=all&limit=50000" \
  -H "X-API-Key: YOUR_KEY"

Nearby on Nasdaq Stockholm

  • OPTI OptiCept Technologies AB (publ)
  • ORES Investment AB Öresund (publ)
  • ORGC OrganoClick AB (publ)
  • ORRON Orrön Energy AB (publ)
  • ORTI-A Ortivus AB (publ)
  • ORTI-B Ortivus AB (publ)
  • ORTIN Ortelius International AB
  • OSSD OssDsign AB (publ)

Common questions

ORT-B share price history

Start with any symbol.