B3 · COGN3 · stock
Cogna Educação S.A. (COGN3) stock price history
Every B3 trading session of Cogna Educação S.A. from Mar 14, 2012 to Sep 28, 2026: 3,615 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.
COGN3 adjusted close, 2012 to 2026
- R$17.13
- All time high, 2017
- R$4.73
- 52 week high, R$1.99 low
- 3,615
- Daily sessions since 2012
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2012 to 2026 series and minute bars.
COGN3 key facts
- Cogna Educação S.A. (COGN3) closed at R$2.11 on Sep 28, 2026 on B3.
- COGN3's all time high close is R$17.13, set on Oct 4, 2017; its all time low close is R$0.8416 on Dec 18, 2024.
- COGN3's 52 week range is R$1.99 to R$4.73.
- COGN3 returned -24.2% over the year to Sep 28, 2026 and -9.1% over five years.
- Over ten years COGN3 returned -83%, -16.1% a year compounded.
- COGN3's deepest drawdown was -95.1% from Oct 4, 2017 to Dec 18, 2024.
- DataCedar holds 3,615 daily sessions of COGN3 history from Mar 14, 2012 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
COGN3 price chart, 2012 to 2026
COGN3 returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -5.8% |
| 3 months | -8.3% |
| 6 months | -28.6% |
| Year to date | -32.9% |
| 1 year | -24.2% |
| 3 years | -5.6% |
| 5 years | -9.1% |
| 10 years | -82.6% |
| Since Mar 14, 2012 | +3.6% |
| Compound annual growth, 14.5 years | +0.2% |
COGN3 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$17.13 on Oct 4, 2017
- All time low close
- R$0.8416 on Dec 18, 2024
- 52 week high
- R$4.73 on Jan 27, 2026
- 52 week low
- R$1.99 on Aug 12, 2026
- Deepest drawdown
- -95.1% from Oct 4, 2017 to Dec 18, 2024, not yet recovered
- Best single session
- +81.8% on Oct 23, 2012
- Worst single session
- -32.9% on Oct 18, 2012
- Volatility, 1 year annualised
- 44.4%
- Sessions closing higher, 1 year
- 47%
- Best calendar year
- 2025, +239%
- Worst calendar year
- 2024, -69%
COGN3 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. 2012 starts on Mar 14, 2012; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$3.16 | R$4.73 | R$1.99 | R$2.11 | -32.9% | 5.5B | 185 |
| 2025 | R$0.9266 | R$3.54 | R$0.9096 | R$3.14 | +239.4% | 10.4B | 250 |
| 2024 | R$2.96 | R$2.96 | R$0.8331 | R$0.9266 | -68.8% | 10B | 251 |
| 2023 | R$1.78 | R$3.13 | R$1.46 | R$2.97 | +64.6% | 7.1B | 248 |
| 2022 | R$2.12 | R$2.96 | R$1.62 | R$1.80 | -13.8% | 9.8B | 250 |
| 2021 | R$3.98 | R$4.18 | R$1.95 | R$2.09 | -46.9% | 11.7B | 247 |
| 2020 | R$9.82 | R$10.88 | R$3.03 | R$3.94 | -59.5% | 15.4B | 248 |
| 2019 | R$7.51 | R$11.57 | R$7.38 | R$9.72 | +30.4% | 3.7B | 248 |
| 2018 | R$14.93 | R$15.47 | R$7.13 | R$7.45 | -50.1% | 2.8B | 246 |
| 2017 | R$10.43 | R$17.35 | R$9.82 | R$14.93 | +41.8% | 2.5B | 254 |
| 2016 | R$7.33 | R$13.43 | R$5.72 | R$10.53 | +43.6% | 2.7B | 249 |
| 2015 | R$11.65 | R$11.71 | R$5.57 | R$7.33 | -36.7% | 4.3B | 246 |
| 2014 | R$7.23 | R$13.93 | R$6.54 | R$11.59 | +61.7% | 2.9B | 248 |
| 2013 | R$4.25 | R$7.26 | R$3.69 | R$7.17 | +73.2% | 2.4B | 248 |
| 2012 | R$2.04 | R$4.25 | R$1.25 | R$4.14 | n/a | 104.5M | 197 |
COGN3 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$2.11 | -8.3% |
| August 2026 | R$2.30 | +0.9% |
| July 2026 | R$2.28 | +1.3% |
| June 2026 | R$2.25 | -10.0% |
| May 2026 | R$2.50 | -10.1% |
| April 2026 | R$2.78 | -11.6% |
| March 2026 | R$3.14 | -9.7% |
| February 2026 | R$3.48 | -23.1% |
| January 2026 | R$4.53 | +44.0% |
| December 2025 | R$3.14 | -7.7% |
| November 2025 | R$3.41 | +4.3% |
| October 2025 | R$3.27 | +12.0% |
About the COGN3 data
Daily bars. 3,615 sessions from Mar 14, 2012 to Sep 28, 2026, one row per B3 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 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 B3 trading days; minute timestamps are UTC. Prices are in BRL. 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 14, 2012, 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/COGN3/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
COGN3 share price history
