Nasdaq · GTBP · stock
GT Biopharma, Inc. (GTBP) stock price history
Every Nasdaq trading session of GT Biopharma, Inc. from Mar 27, 2018 to Sep 28, 2026: 2,139 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.
GTBP adjusted close, 2018 to 2026
- $1,403
- All time high, 2018
- $11.98
- 52 week high, $0.2220 low
- 2,139
- Daily sessions since 2018
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2018 to 2026 series and minute bars.
GTBP key facts
- GT Biopharma, Inc. (GTBP) closed at $6.80 on Sep 28, 2026 on Nasdaq.
- GTBP's all time high close is $1,403, set on Jul 24, 2018; its all time low close is $0.2410 on Sep 4, 2026.
- GTBP's 52 week range is $0.2220 to $11.98.
- GTBP returned +785.4% over the year to Sep 28, 2026 and -96.9% over five years.
- Since Mar 27, 2018 GTBP returned -99%, -43.3% a year compounded.
- GTBP's deepest drawdown was -100.0% from Jul 24, 2018 to Sep 4, 2026.
- DataCedar holds 2,139 daily sessions of GTBP history from Mar 27, 2018 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
GTBP price chart, 2018 to 2026
GTBP returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +2,167% |
| 3 months | +1,481% |
| 6 months | +1,563% |
| Year to date | +735.4% |
| 1 year | +785.4% |
| 3 years | -7.5% |
| 5 years | -96.9% |
| 10 years | n/a |
| Since Mar 27, 2018 | -99.2% |
| Compound annual growth, 8.5 years | -43.3% |
GTBP records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $1,403 on Jul 24, 2018
- All time low close
- $0.2410 on Sep 4, 2026
- 52 week high
- $11.98 on Sep 14, 2026
- 52 week low
- $0.2220 on Sep 4, 2026
- Deepest drawdown
- -100.0% from Jul 24, 2018 to Sep 4, 2026, not yet recovered
- Best single session
- +2,074% on Sep 8, 2026
- Worst single session
- -40.9% on Apr 25, 2019
- Volatility, 1 year annualised
- 335.3%
- Sessions closing higher, 1 year
- 44%
- Best calendar year
- 2020, +423%
- Worst calendar year
- 2019, -88%
GTBP 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. 2018 starts on Mar 27, 2018; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $0.8000 | $11.98 | $0.2220 | $6.80 | +766.2% | 194.1M | 186 |
| 2025 | $2.99 | $3.85 | $0.5400 | $0.7850 | -74.3% | 212.2M | 250 |
| 2024 | $7.86 | $10.66 | $1.72 | $3.05 | -60.1% | 112.3M | 252 |
| 2023 | $27.60 | $33.00 | $5.40 | $7.65 | -71.2% | 2.1M | 250 |
| 2022 | $90.30 | $112.20 | $26.28 | $26.58 | -71.0% | 1.1M | 251 |
| 2021 | $204.00 | $591.99 | $88.80 | $91.50 | -57.7% | 3.3M | 252 |
| 2020 | $53.04 | $392.70 | $39.78 | $216.24 | +423.5% | 146.4K | 253 |
| 2019 | $351.90 | $492.15 | $33.15 | $41.31 | -87.5% | 65.8K | 252 |
| 2018 | $836.40 | $1,428 | $295.80 | $331.50 | n/a | 53K | 193 |
GTBP monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $6.80 | +2,278% |
| August 2026 | $0.2860 | -2.7% |
| July 2026 | $0.2940 | -40.0% |
| June 2026 | $0.4900 | +2.5% |
| May 2026 | $0.4780 | +55.2% |
| April 2026 | $0.3080 | -24.5% |
| March 2026 | $0.4080 | -14.6% |
| February 2026 | $0.4780 | -27.6% |
| January 2026 | $0.6600 | -15.9% |
| December 2025 | $0.7850 | -0.6% |
| November 2025 | $0.7900 | +26.0% |
| October 2025 | $0.6270 | +6.8% |
About the GTBP data
Daily bars. 2,139 sessions from Mar 27, 2018 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 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 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 27, 2018, 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/GTBP/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
GTBP share price history
