Nasdaq · ATTO · stock
Attovia Therapeutics, Inc. (ATTO) stock price history
Every Nasdaq trading session of Attovia Therapeutics, Inc. from Aug 5, 2026 to Nov 12, 2026: 73 daily bars, adjusted for splits and dividends, with minute bars from Aug 5, 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.
ATTO adjusted close, 2026 to 2026
- $25.55
- All time high, 2026
- $28.00
- 52 week high, $12.94 low
- 73
- Daily sessions since 2026
Last updated Nov 12, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.
ATTO key facts
- Attovia Therapeutics, Inc. (ATTO) closed at $15.81 on Nov 12, 2026 on Nasdaq.
- ATTO's all time high close is $25.55, set on Sep 4, 2026; its all time low close is $13.73 on Oct 16, 2026.
- ATTO's 52 week range is $12.94 to $28.00.
- ATTO's deepest drawdown was -46.3% from Sep 4, 2026 to Oct 16, 2026.
- DataCedar holds 73 daily sessions of ATTO history from Aug 5, 2026 and minute bars from Aug 5, 2026, adjusted for splits and dividends, served by the API under a key.
ATTO price chart, 2026 to 2026
ATTO returns
Price return from the last close on or before the window start to Nov 12, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | +8.4% |
| 3 months | -12.5% |
| 6 months | n/a |
| Year to date | n/a |
| 1 year | n/a |
| 3 years | n/a |
| 5 years | n/a |
| 10 years | n/a |
| Since Aug 5, 2026 | -27.8% |
ATTO records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $25.55 on Sep 4, 2026
- All time low close
- $13.73 on Oct 16, 2026
- 52 week high
- $28.00 on Sep 8, 2026
- 52 week low
- $12.94 on Oct 16, 2026
- Deepest drawdown
- -46.3% from Sep 4, 2026 to Oct 16, 2026, not yet recovered
- Best single session
- +14.4% on Aug 17, 2026
- Worst single session
- -11.1% on Sep 23, 2026
- Volatility, 1 year annualised
- 74.6%
- Sessions closing higher, 1 year
- 46%
ATTO 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. 2026 starts on Aug 5, 2026; 2026 runs to Nov 12, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $21.00 | $28.00 | $12.94 | $15.81 | n/a | 29.6M | 73 |
ATTO monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| November 2026 | $15.81 | +4.1% |
| October 2026 | $15.19 | -11.4% |
| September 2026 | $17.14 | -19.9% |
| August 2026 | $21.40 | n/a |
About the ATTO data
Daily bars. 73 sessions from Aug 5, 2026 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 Aug 5, 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 Aug 5, 2026, 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%3AATTO/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
ATTO share price history
