B3 · CSNA3 · stock
Companhia Siderúrgica Nacional (CSNA3) stock price history
Every B3 trading session of Companhia Siderúrgica Nacional from Jan 3, 2000 to Nov 12, 2026: 6,710 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.
CSNA3 adjusted close, 2000 to 2026
- R$33.84
- All time high, 2021
- R$11.32
- 52 week high, R$3.78 low
- 6,710
- Daily sessions since 2000
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
CSNA3 key facts
- Companhia Siderúrgica Nacional (CSNA3) closed at R$4.23 on Nov 12, 2026 on B3.
- CSNA3's all time high close is R$33.84, set on May 11, 2021; its all time low close is R$0.5501 on Oct 8, 2001.
- CSNA3's 52 week range is R$3.78 to R$11.32.
- CSNA3 returned -51.5% over the year to Nov 12, 2026 and -72.3% over five years.
- Over ten years CSNA3 returned -33%, -3.9% a year compounded.
- CSNA3's deepest drawdown was -90.3% from May 19, 2008 to Aug 25, 2015.
- DataCedar holds 6,710 daily sessions of CSNA3 history from Jan 3, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
CSNA3 price chart, 2000 to 2026
CSNA3 returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -36.0% |
| 3 months | -2.1% |
| 6 months | -35.4% |
| Year to date | -52.7% |
| 1 year | -51.5% |
| 3 years | -61.3% |
| 5 years | -72.3% |
| 10 years | -32.5% |
| Since Jan 3, 2000 | +166.3% |
| Compound annual growth, 26.9 years | +3.7% |
CSNA3 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$33.84 on May 11, 2021
- All time low close
- R$0.5501 on Oct 8, 2001
- 52 week high
- R$11.32 on Jan 28, 2026
- 52 week low
- R$3.78 on Nov 3, 2026
- Deepest drawdown
- -90.3% from May 19, 2008 to Aug 25, 2015, recovered Dec 7, 2020
- Best single session
- +33.8% on Mar 4, 2016
- Worst single session
- -36.1% on Oct 30, 2026
- Volatility, 1 year annualised
- 75.3%
- Sessions closing higher, 1 year
- 46%
- Growth of 1 since 2000
- 2.7×
- Best calendar year
- 2003, +206%
- Worst calendar year
- 2014, -60%
CSNA3 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. 2000 starts on Jan 3, 2000; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$8.94 | R$11.32 | R$3.78 | R$4.23 | -52.7% | 3.5B | 212 |
| 2025 | R$8.88 | R$10.33 | R$6.72 | R$8.94 | +0.9% | 2.6B | 250 |
| 2024 | R$17.66 | R$17.88 | R$8.68 | R$8.86 | -50.1% | 1.9B | 250 |
| 2023 | R$11.46 | R$17.77 | R$9.26 | R$17.75 | +54.8% | 2.1B | 248 |
| 2022 | R$17.06 | R$20.69 | R$8.26 | R$11.46 | -31.7% | 3B | 250 |
| 2021 | R$21.16 | R$35.24 | R$13.24 | R$16.79 | -18.3% | 3.3B | 246 |
| 2020 | R$9.19 | R$21.14 | R$3.53 | R$20.54 | +126.0% | 3.5B | 246 |
| 2019 | R$5.27 | R$11.53 | R$5.23 | R$9.09 | +71.0% | 2.9B | 247 |
| 2018 | R$5.08 | R$6.81 | R$4.42 | R$5.32 | +5.5% | 2.2B | 243 |
| 2017 | R$6.44 | R$7.80 | R$3.59 | R$5.04 | -22.8% | 1.8B | 253 |
| 2016 | R$2.39 | R$8.49 | R$1.86 | R$6.53 | +171.2% | 1.8B | 245 |
| 2015 | R$3.16 | R$5.65 | R$1.65 | R$2.41 | -23.6% | 1.6B | 241 |
| 2014 | R$7.86 | R$7.88 | R$2.35 | R$3.15 | -59.5% | 1.5B | 247 |
| 2013 | R$5.97 | R$7.95 | R$2.62 | R$7.78 | +33.2% | 1.7B | 246 |
| 2012 | R$7.03 | R$8.95 | R$4.35 | R$5.84 | -15.3% | 1.2B | 244 |
| 2011 | R$11.78 | R$13.23 | R$5.89 | R$6.89 | -40.7% | 796.8M | 249 |
| 2010 | R$11.86 | R$15.67 | R$11.02 | R$11.63 | -0.6% | 717.8M | 247 |
| 2009 | R$5.99 | R$13.74 | R$5.85 | R$11.70 | +100.6% | 1.2B | 248 |
| 2008 | R$10.19 | R$17.29 | R$3.97 | R$5.83 | -43.3% | 1.4B | 248 |
| 2007 | R$4.23 | R$10.45 | R$3.87 | R$10.29 | +144.3% | 2B | 245 |
| 2006 | R$3.20 | R$5.07 | R$3.17 | R$4.21 | +28.2% | 21.2B | 257 |
| 2005 | R$3.31 | R$4.68 | R$2.30 | R$3.28 | -1.0% | 4.3B | 248 |
| 2004 | R$3.41 | R$4.57 | R$2.17 | R$3.32 | -2.7% | 3.7B | 258 |
| 2003 | R$1.11 | R$17.41 | R$1.10 | R$3.41 | +206.3% | 4.2B | 261 |
| 2002 | R$0.7950 | R$1.28 | R$0.6350 | R$1.11 | +40.0% | 3.4B | 260 |
| 2001 | R$1.35 | R$1.63 | R$0.5485 | R$0.7950 | -41.2% | 1.8B | 261 |
| 2000 | R$1.52 | R$1.81 | R$0.9141 | R$1.35 | n/a | 1.9B | 260 |
CSNA3 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | R$4.23 | +9.0% |
| October 2026 | R$3.88 | -32.8% |
| September 2026 | R$5.77 | +8.5% |
| August 2026 | R$5.32 | +9.9% |
| July 2026 | R$4.84 | +4.8% |
| June 2026 | R$4.62 | -31.1% |
| May 2026 | R$6.71 | +7.7% |
| April 2026 | R$6.23 | -1.6% |
| March 2026 | R$6.33 | -26.6% |
| February 2026 | R$8.62 | -14.4% |
| January 2026 | R$10.07 | +12.6% |
| December 2025 | R$8.94 | +5.9% |
About the CSNA3 data
Daily bars. 6,710 sessions from Jan 3, 2000 to Nov 12, 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 Nov 4, 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 Jan 3, 2000, 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/b3%3ACSNA3/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
CSNA3 share price history
