Nasdaq · TANH · stock
Tantech Holdings Ltd. (TANH) stock price history
Every Nasdaq trading session of Tantech Holdings Ltd. from Mar 24, 2015 to Sep 28, 2026: 2,896 daily bars, adjusted for splits and dividends, with minute bars from Jul 13, 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.
TANH adjusted close, 2015 to 2026
- $298,464
- All time high, 2015
- $29.89
- 52 week high, $0.3020 low
- 2,896
- Daily sessions since 2015
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2015 to 2026 series and minute bars.
TANH key facts
- Tantech Holdings Ltd. (TANH) closed at $17.50 on Sep 28, 2026 on Nasdaq.
- TANH's all time high close is $298,464, set on Aug 31, 2015; its all time low close is $0.3110 on Apr 13, 2026.
- TANH's 52 week range is $0.3020 to $29.89.
- TANH returned +900.0% over the year to Sep 28, 2026 and -99.7% over five years.
- Over ten years TANH returned -100%, -50.3% a year compounded.
- TANH's deepest drawdown was -100.0% from Aug 31, 2015 to Apr 13, 2026.
- DataCedar holds 2,896 daily sessions of TANH history from Mar 24, 2015 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
TANH price chart, 2015 to 2026
TANH returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +2.9% |
| 3 months | +4,221% |
| 6 months | +2,331% |
| Year to date | +1,650% |
| 1 year | +900.0% |
| 3 years | -69.2% |
| 5 years | -99.7% |
| 10 years | -99.9% |
| Since Mar 24, 2015 | -100.0% |
| Compound annual growth, 11.5 years | -51.7% |
TANH records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $298,464 on Aug 31, 2015
- All time low close
- $0.3110 on Apr 13, 2026
- 52 week high
- $29.89 on Sep 11, 2026
- 52 week low
- $0.3020 on Apr 14, 2026
- Deepest drawdown
- -100.0% from Aug 31, 2015 to Apr 13, 2026, not yet recovered
- Best single session
- +4,674% on Aug 24, 2026
- Worst single session
- -68.8% on Mar 16, 2022
- Volatility, 1 year annualised
- 410.5%
- Sessions closing higher, 1 year
- 38%
- Best calendar year
- 2017, +28%
- Worst calendar year
- 2022, -98%
TANH 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. 2015 starts on Mar 24, 2015; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $1.00 | $29.89 | $0.3020 | $17.50 | +1,650% | 55.6M | 185 |
| 2025 | $8.80 | $10.60 | $0.9000 | $1.00 | -88.2% | 63.4M | 250 |
| 2024 | $46.00 | $63.60 | $4.84 | $8.44 | -82.3% | 33M | 252 |
| 2023 | $85.60 | $318.80 | $33.16 | $47.60 | -44.7% | 1.5M | 250 |
| 2022 | $4,416 | $4,704 | $72.80 | $86.00 | -98.1% | 643.5K | 251 |
| 2021 | $13,344 | $22,752 | $3,648 | $4,416 | -66.7% | 44.2K | 252 |
| 2020 | $16,896 | $35,040 | $7,776 | $13,248 | -23.8% | 28.3K | 253 |
| 2019 | $16,512 | $24,480 | $13,440 | $17,376 | +4.0% | 5.2K | 252 |
| 2018 | $24,960 | $36,288 | $10,560 | $16,704 | -32.6% | 14.7K | 251 |
| 2017 | $19,776 | $43,584 | $9,600 | $24,768 | +27.7% | 8.8K | 251 |
| 2016 | $49,440 | $57,600 | $17,760 | $19,392 | -61.6% | 1.3K | 252 |
| 2015 | $57,600 | $326,112 | $28,896 | $50,496 | n/a | 3K | 197 |
TANH monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $17.50 | +0.9% |
| August 2026 | $17.35 | +4,021% |
| July 2026 | $0.4210 | +10.8% |
| June 2026 | $0.3800 | -11.0% |
| May 2026 | $0.4270 | +8.1% |
| April 2026 | $0.3950 | -32.9% |
| March 2026 | $0.5890 | -28.4% |
| February 2026 | $0.8230 | -6.1% |
| January 2026 | $0.8760 | -12.4% |
| December 2025 | $1.00 | -16.0% |
| November 2025 | $1.19 | -12.5% |
| October 2025 | $1.36 | -18.3% |
About the TANH data
Daily bars. 2,896 sessions from Mar 24, 2015 to Sep 28, 2026, one row per Nasdaq 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 Jul 13, 2026 forward, most recent session Sep 25, 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 trading days; minute timestamps are UTC. Prices are in USD. 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 24, 2015, 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/TANH/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
TANH share price history
