Nasdaq · SPTX · stock
Seaport Therapeutics, Inc. (SPTX) stock price history
Every Nasdaq trading session of Seaport Therapeutics, Inc. from May 1, 2026 to Sep 28, 2026: 103 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.
SPTX adjusted close, 2026 to 2026
- $27.84
- All time high, 2026
- $28.38
- 52 week high, $14.85 low
- 103
- Daily sessions since 2026
Last updated Sep 28, 2026, the last stored session. Refreshes after each trading day. Full 2026 to 2026 series and minute bars.
SPTX key facts
- Seaport Therapeutics, Inc. (SPTX) closed at $19.64 on Sep 28, 2026 on Nasdaq.
- SPTX's all time high close is $27.84, set on Aug 26, 2026; its all time low close is $15.25 on May 11, 2026.
- SPTX's 52 week range is $14.85 to $28.38.
- SPTX's deepest drawdown was -29.5% from Aug 26, 2026 to Sep 28, 2026.
- DataCedar holds 103 daily sessions of SPTX history from May 1, 2026 and minute bars from Jul 13, 2026, adjusted for splits and dividends, served by the API under a key.
SPTX price chart, 2026 to 2026
SPTX returns
Price return from the last close on or before the window start to Sep 28, 2026, on adjusted closes.
| Period | Return |
|---|---|
| 1 month | -18.3% |
| 3 months | -8.2% |
| 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 May 1, 2026 | -1.0% |
SPTX records
Measured on the stored closes; every figure is reproducible from the API series.
- All time high close
- $27.84 on Aug 26, 2026
- All time low close
- $15.25 on May 11, 2026
- 52 week high
- $28.38 on Aug 27, 2026
- 52 week low
- $14.85 on May 7, 2026
- Deepest drawdown
- -29.5% from Aug 26, 2026 to Sep 28, 2026, not yet recovered
- Best single session
- +16.6% on Jul 8, 2026
- Worst single session
- -14.3% on May 4, 2026
- Volatility, 1 year annualised
- 76.1%
- Sessions closing higher, 1 year
- 52%
SPTX 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 May 1, 2026; 2026 runs to Sep 28, 2026.
| Year | Open | High | Low | Close | Return | Volume | Sessions |
|---|---|---|---|---|---|---|---|
| 2026 | $21.00 | $28.38 | $14.85 | $19.64 | n/a | 27.3M | 103 |
SPTX monthly closes, last 12 months
| Month | Month end close | Change |
|---|---|---|
| September 2026 | $19.64 | -17.1% |
| August 2026 | $23.68 | +15.7% |
| July 2026 | $20.46 | -5.8% |
| June 2026 | $21.72 | +19.4% |
| May 2026 | $18.19 | n/a |
About the SPTX data
Daily bars. 103 sessions from May 1, 2026 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 25, 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 1, 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/SPTX/bars?timeframe=1Day&adjustment=all&limit=50000" \
-H "X-API-Key: YOUR_KEY"Nearby on Nasdaq
Common questions
SPTX share price history
