B3 · SMTO3 · stock
São Martinho S.A. (SMTO3) stock price history
Every B3 trading session of São Martinho S.A. from Feb 12, 2007 to Nov 12, 2026: 4,861 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.
SMTO3 adjusted close, 2007 to 2026
- R$44.59
- All time high, 2022
- R$21.91
- 52 week high, R$12.73 low
- 4,861
- Daily sessions since 2007
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2007 to 2026 series and minute bars.
SMTO3 key facts
- São Martinho S.A. (SMTO3) closed at R$18.43 on Nov 12, 2026 on B3.
- SMTO3's all time high close is R$44.59, set on Jun 2, 2022; its all time low close is R$2.00 on Jan 2, 2009.
- SMTO3's 52 week range is R$12.73 to R$21.91.
- SMTO3 returned +33.7% over the year to Nov 12, 2026 and -44.9% over five years.
- Over ten years SMTO3 returned +36%, +3.1% a year compounded.
- SMTO3's deepest drawdown was -71.2% from Jun 2, 2022 to Dec 2, 2025.
- DataCedar holds 4,861 daily sessions of SMTO3 history from Feb 12, 2007 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
SMTO3 price chart, 2007 to 2026
SMTO3 returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -11.0% |
| 3 months | +24.7% |
| 6 months | +7.2% |
| Year to date | +23.6% |
| 1 year | +33.7% |
| 3 years | -39.6% |
| 5 years | -44.9% |
| 10 years | +35.7% |
| Since Feb 12, 2007 | +255.5% |
| Compound annual growth, 19.7 years | +6.6% |
SMTO3 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$44.59 on Jun 2, 2022
- All time low close
- R$2.00 on Jan 2, 2009
- 52 week high
- R$21.91 on Oct 13, 2026
- 52 week low
- R$12.73 on Dec 2, 2025
- Deepest drawdown
- -71.2% from Jun 2, 2022 to Dec 2, 2025, not yet recovered
- Best single session
- +25.3% on Nov 24, 2008
- Worst single session
- -32.4% on Mar 9, 2020
- Volatility, 1 year annualised
- 46.7%
- Sessions closing higher, 1 year
- 49%
- Growth of 1 since 2007
- 3.6×
- Best calendar year
- 2009, +87%
- Worst calendar year
- 2008, -55%
SMTO3 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. 2007 starts on Feb 12, 2007; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$15.13 | R$21.91 | R$13.75 | R$18.43 | +23.6% | 524.5M | 212 |
| 2025 | R$22.37 | R$24.22 | R$12.73 | R$14.91 | -33.3% | 474.8M | 250 |
| 2024 | R$26.90 | R$32.00 | R$22.16 | R$22.37 | -16.8% | 429.4M | 251 |
| 2023 | R$22.85 | R$37.86 | R$18.92 | R$26.90 | +14.6% | 512.7M | 248 |
| 2022 | R$29.38 | R$45.10 | R$19.79 | R$23.46 | -20.1% | 425M | 250 |
| 2021 | R$22.09 | R$34.91 | R$21.33 | R$29.36 | +34.2% | 330.1M | 247 |
| 2020 | R$18.51 | R$23.41 | R$8.87 | R$21.88 | +18.2% | 375.3M | 248 |
| 2019 | R$13.36 | R$19.04 | R$12.93 | R$18.51 | +34.6% | 191.8M | 246 |
| 2018 | R$14.27 | R$15.84 | R$11.61 | R$13.76 | -3.3% | 226.4M | 244 |
| 2017 | R$14.15 | R$15.23 | R$11.06 | R$14.23 | +0.6% | 180.4M | 250 |
| 2016 | R$10.90 | R$15.69 | R$9.91 | R$14.15 | +29.0% | 212.2M | 247 |
| 2015 | R$8.59 | R$12.03 | R$6.88 | R$10.97 | +28.6% | 159.2M | 245 |
| 2014 | R$6.69 | R$11.16 | R$5.68 | R$8.53 | +27.5% | 159M | 244 |
| 2013 | R$6.50 | R$7.59 | R$5.36 | R$6.69 | +3.6% | 103.6M | 242 |
| 2012 | R$3.81 | R$6.46 | R$3.74 | R$6.46 | +69.6% | 77.5M | 241 |
| 2011 | R$5.95 | R$5.95 | R$3.78 | R$3.81 | -36.0% | 42.5M | 248 |
| 2010 | R$3.79 | R$6.05 | R$2.77 | R$5.95 | +58.3% | 88.1M | 242 |
| 2009 | R$2.01 | R$4.43 | R$1.97 | R$3.76 | +87.1% | 49.7M | 241 |
| 2008 | R$4.45 | R$6.64 | R$1.97 | R$2.01 | -54.7% | 103.9M | 249 |
| 2007 | R$5.15 | R$7.03 | R$3.52 | R$4.43 | n/a | 184.4M | 216 |
SMTO3 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | R$18.43 | -12.6% |
| October 2026 | R$21.09 | +18.7% |
| September 2026 | R$17.76 | -10.1% |
| August 2026 | R$19.75 | +36.0% |
| July 2026 | R$14.52 | -6.2% |
| June 2026 | R$15.48 | -7.5% |
| May 2026 | R$16.74 | +5.0% |
| April 2026 | R$15.94 | -23.7% |
| March 2026 | R$20.90 | +18.0% |
| February 2026 | R$17.71 | +17.6% |
| January 2026 | R$15.06 | +1.0% |
| December 2025 | R$14.91 | +8.4% |
About the SMTO3 data
Daily bars. 4,861 sessions from Feb 12, 2007 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 11, 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 Feb 12, 2007, 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%3ASMTO3/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
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Common questions
SMTO3 share price history
