Nasdaq · GFAI · stock
Guardforce AI Co., Ltd. (GFAI) stock price history
Every Nasdaq trading session of Guardforce AI Co., Ltd. from Sep 29, 2021 to Nov 12, 2026: 1,287 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.
GFAI adjusted close, 2021 to 2026
- $158.40
- All time high, 2021
- $0.9800
- 52 week high, $0.1650 low
- 1,287
- Daily sessions since 2021
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2021 to 2026 series and minute bars.
GFAI key facts
- Guardforce AI Co., Ltd. (GFAI) closed at $0.1657 on Nov 12, 2026 on Nasdaq.
- GFAI's all time high close is $158.40, set on Sep 29, 2021; its all time low close is $0.1657 on Nov 12, 2026.
- GFAI's 52 week range is $0.1650 to $0.9800.
- GFAI returned -81.3% over the year to Nov 12, 2026 and -99.8% over five years.
- Since Sep 29, 2021 GFAI returned -100%, -73.8% a year compounded.
- GFAI's deepest drawdown was -99.9% from Sep 30, 2021 to Nov 12, 2026.
- DataCedar holds 1,287 daily sessions of GFAI history from Sep 29, 2021 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
GFAI price chart, 2021 to 2026
GFAI returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -31.0% |
| 3 months | -52.2% |
| 6 months | -64.0% |
| Year to date | -71.4% |
| 1 year | -81.3% |
| 3 years | -94.7% |
| 5 years | -99.8% |
| 10 years | n/a |
| Since Sep 29, 2021 | -99.9% |
| Compound annual growth, 5.1 years | -73.8% |
GFAI records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $158.40 on Sep 29, 2021
- All time low close
- $0.1657 on Nov 12, 2026
- 52 week high
- $0.9800 on Dec 1, 2025
- 52 week low
- $0.1650 on Nov 6, 2026
- Deepest drawdown
- -99.9% from Sep 30, 2021 to Nov 12, 2026, not yet recovered
- Best single session
- +171.5% on Apr 3, 2023
- Worst single session
- -56.5% on May 3, 2023
- Volatility, 1 year annualised
- 92.8%
- Sessions closing higher, 1 year
- 39%
- Best calendar year
- 2023, -35%
- Worst calendar year
- 2022, -88%
GFAI 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. 2021 starts on Sep 29, 2021; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $0.5900 | $0.8000 | $0.1650 | $0.1657 | -70.3% | 226.4M | 218 |
| 2025 | $1.47 | $3.88 | $0.5400 | $0.5570 | -61.0% | 251.9M | 250 |
| 2024 | $3.35 | $4.30 | $0.9420 | $1.43 | -56.9% | 118.4M | 252 |
| 2023 | $6.28 | $36.90 | $3.06 | $3.32 | -34.6% | 502.7M | 250 |
| 2022 | $43.20 | $86.40 | $4.72 | $5.08 | -88.2% | 33.6M | 251 |
| 2021 | $138.00 | $176.00 | $40.40 | $43.20 | n/a | 4.3M | 66 |
GFAI monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $0.1657 | -6.4% |
| October 2026 | $0.1770 | -44.7% |
| September 2026 | $0.3200 | -15.3% |
| August 2026 | $0.3780 | +21.9% |
| July 2026 | $0.3100 | -22.1% |
| June 2026 | $0.3980 | -24.9% |
| May 2026 | $0.5300 | -6.9% |
| April 2026 | $0.5690 | +27.0% |
| March 2026 | $0.4480 | -23.2% |
| February 2026 | $0.5830 | +8.0% |
| January 2026 | $0.5400 | -3.1% |
| December 2025 | $0.5570 | -37.3% |
About the GFAI data
Daily bars. 1,287 sessions from Sep 29, 2021 to Nov 12, 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 Oct 23, 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 Sep 29, 2021, 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/nasdaq%3AGFAI/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
GFAI share price history
