Nasdaq · ATYR · stock
aTYR PHARMA INC (ATYR) stock price history
Every Nasdaq trading session of aTYR PHARMA INC from May 7, 2015 to Nov 12, 2026: 2,898 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.
ATYR adjusted close, 2015 to 2026
- $390.32
- All time high, 2015
- $7.98
- 52 week high, $0.1650 low
- 2,898
- Daily sessions since 2015
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2015 to 2026 series and minute bars.
ATYR key facts
- aTYR PHARMA INC (ATYR) closed at $6.21 on Nov 12, 2026 on Nasdaq.
- ATYR's all time high close is $390.32, set on Jun 3, 2015; its all time low close is $0.1720 on Oct 19, 2026.
- ATYR's 52 week range is $0.1650 to $7.98.
- ATYR returned +758.9% over the year to Nov 12, 2026 and -28.9% over five years.
- Over ten years ATYR returned -86%, -17.8% a year compounded.
- ATYR's deepest drawdown was -100.0% from Jun 3, 2015 to Oct 19, 2026.
- DataCedar holds 2,898 daily sessions of ATYR history from May 7, 2015 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
ATYR price chart, 2015 to 2026
ATYR returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +2,788% |
| 3 months | +1,050% |
| 6 months | +1,072% |
| Year to date | +733.6% |
| 1 year | +758.9% |
| 3 years | +454.5% |
| 5 years | -28.9% |
| 10 years | -85.9% |
| Since May 7, 2015 | -97.0% |
| Compound annual growth, 11.5 years | -26.3% |
ATYR records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $390.32 on Jun 3, 2015
- All time low close
- $0.1720 on Oct 19, 2026
- 52 week high
- $7.98 on Nov 10, 2026
- 52 week low
- $0.1650 on Oct 19, 2026
- Deepest drawdown
- -100.0% from Jun 3, 2015 to Oct 19, 2026, not yet recovered
- Best single session
- +3,853% on Oct 22, 2026
- Worst single session
- -83.2% on Sep 15, 2025
- Volatility, 1 year annualised
- 386.7%
- Sessions closing higher, 1 year
- 44%
- Best calendar year
- 2024, +157%
- Worst calendar year
- 2018, -86%
ATYR 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 May 7, 2015; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $0.7830 | $7.98 | $0.1650 | $6.21 | +693.1% | 502.5M | 218 |
| 2025 | $3.69 | $7.29 | $0.6400 | $0.7830 | -78.4% | 1.2B | 250 |
| 2024 | $1.39 | $3.98 | $1.39 | $3.62 | +156.7% | 152.3M | 252 |
| 2023 | $2.25 | $2.70 | $1.08 | $1.41 | -35.6% | 94.7M | 250 |
| 2022 | $7.10 | $8.25 | $2.00 | $2.19 | -70.7% | 30.7M | 251 |
| 2021 | $3.94 | $13.10 | $3.48 | $7.47 | +92.5% | 475.7M | 252 |
| 2020 | $4.27 | $7.62 | $2.13 | $3.88 | -7.0% | 76.8M | 253 |
| 2019 | $6.90 | $10.08 | $2.76 | $4.17 | -39.9% | 12.8M | 252 |
| 2018 | $50.40 | $59.14 | $5.25 | $6.94 | -85.8% | 8.2M | 251 |
| 2017 | $31.50 | $90.94 | $31.50 | $49.00 | +62.8% | 1.8M | 251 |
| 2016 | $134.82 | $134.82 | $29.40 | $30.10 | -78.1% | 4.4M | 252 |
| 2015 | $185.50 | $396.06 | $103.18 | $137.62 | n/a | 1.6M | 166 |
ATYR monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $6.21 | +25.7% |
| October 2026 | $4.94 | +1,530% |
| September 2026 | $0.3030 | -43.0% |
| August 2026 | $0.5320 | +9.5% |
| July 2026 | $0.4860 | -18.6% |
| June 2026 | $0.5970 | +9.9% |
| May 2026 | $0.5430 | -32.7% |
| April 2026 | $0.8070 | +3.5% |
| March 2026 | $0.7800 | -18.8% |
| February 2026 | $0.9600 | +8.7% |
| January 2026 | $0.8830 | +12.8% |
| December 2025 | $0.7830 | +0.3% |
About the ATYR data
Daily bars. 2,898 sessions from May 7, 2015 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 Nov 3, 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 May 7, 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/nasdaq%3AATYR/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ATYR share price history
