B3 · SYNE3 · stock
Syn Prop & Tech S.A. (SYNE3) stock price history
Every B3 trading session of Syn Prop & Tech S.A. from Jan 3, 2000 to Sep 29, 2026: 6,713 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.
SYNE3 adjusted close, 2000 to 2026
- R$11.71
- All time high, 2007
- R$5.21
- 52 week high, R$3.32 low
- 6,713
- Daily sessions since 2000
Last updated Sep 29, 2026, the last stored session. Refreshes after each trading day. Full 2000 to 2026 series and minute bars.
SYNE3 key facts
- Syn Prop & Tech S.A. (SYNE3) closed at R$3.60 on Sep 29, 2026 on B3.
- SYNE3's all time high close is R$11.71, set on Aug 16, 2007; its all time low close is R$0.0497 on Jan 4, 2002.
- SYNE3's 52 week range is R$3.32 to R$5.21.
- SYNE3 returned -23.5% over the year to Sep 29, 2026 and +73.3% over five years.
- Over ten years SYNE3 returned +208%, +11.9% a year compounded.
- SYNE3's deepest drawdown was -95.7% from Oct 17, 2007 to Nov 6, 2008.
- DataCedar holds 6,713 daily sessions of SYNE3 history from Jan 3, 2000 and minute bars from Sep 17, 2026, adjusted for splits and dividends, served by the API under a key.
SYNE3 price chart, 2000 to 2026
SYNE3 returns
Price return from the last close on or before the window start to Sep 29, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -1.9% |
| 3 months | -15.3% |
| 6 months | -12.8% |
| Year to date | -28.7% |
| 1 year | -23.5% |
| 3 years | +104.2% |
| 5 years | +73.3% |
| 10 years | +207.6% |
| Since Jan 3, 2000 | +514.7% |
| Compound annual growth, 26.7 years | +7.0% |
SYNE3 records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- R$11.71 on Aug 16, 2007
- All time low close
- R$0.0497 on Jan 4, 2002
- 52 week high
- R$5.21 on Dec 11, 2025
- 52 week low
- R$3.32 on Aug 14, 2026
- Deepest drawdown
- -95.7% from Oct 17, 2007 to Nov 6, 2008, not yet recovered
- Best single session
- +974.8% on Aug 16, 2007
- Worst single session
- -91.9% on Aug 17, 2007
- Volatility, 1 year annualised
- 37.6%
- Sessions closing higher, 1 year
- 47%
- Growth of 1 since 2000
- 6.1×
- Best calendar year
- 2005, +616%
- Worst calendar year
- 2008, -50%
SYNE3 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 Sep 29, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | R$5.10 | R$5.15 | R$3.32 | R$3.60 | -28.7% | 84.6M | 186 |
| 2025 | R$3.21 | R$5.21 | R$2.59 | R$5.05 | +57.1% | 181M | 250 |
| 2024 | R$2.05 | R$5.26 | R$1.77 | R$3.21 | +56.4% | 143.5M | 251 |
| 2023 | R$1.77 | R$2.05 | R$1.17 | R$2.05 | +15.4% | 84.7M | 248 |
| 2022 | R$2.85 | R$2.97 | R$1.66 | R$1.78 | -36.9% | 146.3M | 250 |
| 2021 | R$2.76 | R$3.40 | R$1.89 | R$2.82 | +3.0% | 179.5M | 247 |
| 2020 | R$4.71 | R$4.99 | R$2.04 | R$2.74 | -42.3% | 104.3M | 248 |
| 2019 | R$1.63 | R$4.77 | R$1.58 | R$4.75 | +192.1% | 21.7M | 248 |
| 2018 | R$1.50 | R$2.04 | R$1.43 | R$1.63 | +8.4% | 5M | 246 |
| 2017 | R$1.19 | R$1.67 | R$1.11 | R$1.50 | +31.2% | 1.2M | 254 |
| 2016 | R$1.02 | R$1.31 | R$1.01 | R$1.14 | +11.9% | 831.8K | 249 |
| 2015 | R$1.43 | R$1.43 | R$1.02 | R$1.02 | -28.8% | 1.6M | 246 |
| 2014 | R$2.37 | R$2.37 | R$1.37 | R$1.43 | -39.6% | 1.3M | 248 |
| 2013 | R$2.71 | R$2.88 | R$2.21 | R$2.37 | -12.5% | 11M | 248 |
| 2012 | R$1.76 | R$2.94 | R$1.62 | R$2.71 | +55.9% | 12.2M | 245 |
| 2011 | R$1.50 | R$1.86 | R$1.37 | R$1.74 | +14.2% | 11.8M | 249 |
| 2010 | R$1.26 | R$1.58 | R$0.9985 | R$1.52 | +18.8% | 6.9M | 247 |
| 2009 | R$0.6343 | R$1.32 | R$0.5841 | R$1.28 | +108.0% | 17.8M | 248 |
| 2008 | R$1.18 | R$1.28 | R$0.4816 | R$0.6169 | -49.6% | 45.8M | 249 |
| 2007 | R$1.04 | R$11.71 | R$0.8682 | R$1.22 | +17.8% | 93.1M | 245 |
| 2006 | R$0.7995 | R$1.14 | R$0.6314 | R$1.04 | +27.4% | 46M | 258 |
| 2005 | R$0.1133 | R$0.8784 | R$0.1118 | R$0.8148 | +615.9% | 26.5M | 249 |
| 2004 | R$0.0764 | R$0.1192 | R$0.0764 | R$0.1138 | +49.0% | 219.8K | 261 |
| 2003 | R$0.0637 | R$0.1018 | R$0.0637 | R$0.0764 | +20.0% | 434K | 261 |
| 2002 | R$0.0509 | R$0.0741 | R$0.0497 | R$0.0637 | +25.0% | 330.4K | 261 |
| 2001 | R$0.0723 | R$0.0878 | R$0.0509 | R$0.0509 | -29.6% | 221.2K | 261 |
| 2000 | R$0.5856 | R$0.6442 | R$0.0550 | R$0.0723 | n/a | 361.6K | 260 |
SYNE3 monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | R$3.60 | -2.4% |
| August 2026 | R$3.69 | -9.8% |
| July 2026 | R$4.09 | -3.3% |
| June 2026 | R$4.23 | +11.3% |
| May 2026 | R$3.80 | -4.0% |
| April 2026 | R$3.96 | -1.5% |
| March 2026 | R$4.02 | -16.1% |
| February 2026 | R$4.79 | -5.7% |
| January 2026 | R$5.08 | +0.6% |
| December 2025 | R$5.05 | +4.4% |
| November 2025 | R$4.84 | +4.4% |
| October 2025 | R$4.63 | -2.9% |
About the SYNE3 data
Daily bars. 6,713 sessions from Jan 3, 2000 to Sep 29, 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 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/SYNE3/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on B3
Common questions
SYNE3 share price history
