Nasdaq · AKTX · stock
Akari Therapeutics Plc (AKTX) stock price history
Every Nasdaq trading session of Akari Therapeutics Plc from Jan 6, 2014 to Sep 28, 2026: 3,201 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.
AKTX adjusted close, 2014 to 2026
- $88,000
- All time high, 2014
- $44.40
- 52 week high, $3.02 low
- 3,201
- Daily sessions since 2014
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2014 to 2026 series and minute bars.
AKTX key facts
- Akari Therapeutics Plc (AKTX) closed at $9.81 on Sep 28, 2026 on Nasdaq.
- AKTX's all time high close is $88,000, set on Jan 15, 2014; its all time low close is $3.06 on May 12, 2026.
- AKTX's 52 week range is $3.02 to $44.40.
- AKTX returned -74.7% over the year to Sep 28, 2026 and -99.3% over five years.
- Over ten years AKTX returned -100%, -48.2% a year compounded.
- AKTX's deepest drawdown was -100.0% from Jan 22, 2014 to May 12, 2026.
- DataCedar holds 3,201 daily sessions of AKTX history from Jan 6, 2014 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
AKTX price chart, 2014 to 2026
AKTX returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -8.3% |
| 3 months | -8.6% |
| 6 months | +94.6% |
| Year to date | -8.5% |
| 1 year | -74.7% |
| 3 years | -94.0% |
| 5 years | -99.3% |
| 10 years | -99.9% |
| Since Jan 6, 2014 | -100.0% |
| Compound annual growth, 12.7 years | -49.9% |
AKTX records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $88,000 on Jan 15, 2014
- All time low close
- $3.06 on May 12, 2026
- 52 week high
- $44.40 on Sep 29, 2025
- 52 week low
- $3.02 on May 12, 2026
- Deepest drawdown
- -100.0% from Jan 22, 2014 to May 12, 2026, not yet recovered
- Best single session
- +287.7% on Aug 19, 2015
- Worst single session
- -81.4% on Feb 17, 2015
- Volatility, 1 year annualised
- 193.3%
- Sessions closing higher, 1 year
- 42%
- Best calendar year
- 2019, +11%
- Worst calendar year
- 2025, -76%
AKTX 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. 2014 starts on Jan 6, 2014; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $11.56 | $29.32 | $3.02 | $9.81 | -15.1% | 54.3M | 185 |
| 2025 | $49.20 | $69.20 | $8.72 | $11.56 | -76.3% | 2M | 250 |
| 2024 | $123.20 | $176.00 | $36.00 | $48.80 | -60.9% | 161.4K | 252 |
| 2023 | $354.40 | $440.00 | $106.00 | $124.80 | -66.8% | 122.9K | 250 |
| 2022 | $1,176 | $1,288 | $304.80 | $376.00 | -68.7% | 24.6K | 251 |
| 2021 | $1,472 | $3,368 | $1,056 | $1,200 | -18.9% | 74.9K | 252 |
| 2020 | $1,384 | $2,232 | $696.00 | $1,480 | +5.7% | 75.3K | 253 |
| 2019 | $1,272 | $7,360 | $1,272 | $1,400 | +11.5% | 312.7K | 252 |
| 2018 | $3,536 | $3,600 | $1,248 | $1,256 | -63.7% | 27K | 251 |
| 2017 | $5,598 | $17,760 | $2,546 | $3,464 | -38.5% | 112.2K | 251 |
| 2016 | $11,520 | $15,802 | $5,368 | $5,632 | -51.4% | 1.8K | 252 |
| 2015 | $38,400 | $49,600 | $3,200 | $11,600 | -69.8% | 10K | 252 |
| 2014 | $64,000 | $95,200 | $36,640 | $38,400 | n/a | 317 | 250 |
AKTX monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $9.81 | -5.9% |
| August 2026 | $10.43 | +32.7% |
| July 2026 | $7.86 | -23.3% |
| June 2026 | $10.24 | -37.6% |
| May 2026 | $16.43 | +204.3% |
| April 2026 | $5.40 | +4.9% |
| March 2026 | $5.15 | -45.4% |
| February 2026 | $9.44 | +0.4% |
| January 2026 | $9.40 | -18.7% |
| December 2025 | $11.56 | -40.5% |
| November 2025 | $19.44 | -35.2% |
| October 2025 | $30.00 | -25.7% |
About the AKTX data
Daily bars. 3,201 sessions from Jan 6, 2014 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 Jan 6, 2014, 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/AKTX/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
AKTX share price history
