Stock Forecast Chart
Stock Price Prediction Summary
Forecast Score Based on 2 Weeks
Based on our forecast, the price of SPTX will rise by +4.61% over the next 2 Weeks and hit $25.17 by Tuesday, September 22, 2026. In that time frame, SPTX's share price is expected to range between $23.94 and $26.40.
BearishAverageBullish| Date | Predicted Lower | Predicted | Predicted Upper |
|---|---|---|---|
| Sep 22, 2026 | 23.94 | 25.17 | 26.40 |
| Sep 21, 2026 | 23.74 | 24.91 | 26.07 |
| Sep 18, 2026 | 23.91 | 25.17 | 26.30 |
| Sep 17, 2026 | 24.02 | 25.35 | 26.52 |
| Sep 16, 2026 | 24.21 | 25.48 | 26.62 |
| Sep 15, 2026 | 23.35 | 24.61 | 25.86 |
| Sep 14, 2026 | 23.19 | 24.35 | 25.63 |
| Sep 11, 2026 | 23.44 | 24.61 | 25.79 |
| Sep 10, 2026 | 23.49 | 24.79 | 25.99 |
| Sep 9, 2026 | 23.72 | 24.92 | 26.14 |
SPTX shares fell -9.60% in Wednesday, September 9, 2026's trading session, dropping from a previous close of $24.06 to move at $21.75. The stock demonstrated notable intraday movement (see SPTX's key stats for a full breakdown), fluctuating between $21.73 and $25.52, a +17.44% trading range. While recent weeks have seen some volatility, SPTX has managed to secure a -21.88% drop over the past 2 weeks. The downward price movement was accompanied by increased trading volume, with approximately 316.78K shares changing hands, 175.07K more than the previous session. This amounted to $6.89M in total market activity.
Will SPTX Continue Its Upward Trend?
According to analyst ratings and projections for SPTX, Seaport Therapeutics, Inc. Common Stock shares are anticipated to increase by +17.62%, potentially reaching $26.40 per share by September 22, 2026. Short-term technical indicators currently suggest a neutral sentiment for SPTX. For deeper insights, view our sentiment analysis on AAPL covering social and institutional perspectives. However, the stock has recorded 17 positive trading days within the past 30 sessions. Based on the SPTX stock forecast, now is a good time to buy SPTX stock because its current trading price is -13.58% below our predicted value, hinting at a possible overvaluation. For deeper insights, view our sentiment analysis on SPTX covering social and institutional perspectives.
SPTX Technical Momentum: Overbought, Oversold, or Neutral?
An analysis of Relative Strength Index (RSI) indicators provides insight into SPTX's momentum. Short-term RSIs (9, 14, and 20-day figures ranging from 35.93% to 45.83%) suggest mixed signals, with the stock in a neutral to slightly bearish momentum phase. The 50-day RSI, at 50.10%, suggests a neutral medium-term outlook. Insights into SPTX's shareholder base show how institutional investors are positioning themselves during these momentum shifts
Seaport Therapeutics Common Stock Short-Term Forecasts
SPTX Forecast For Next 5 Days
Our algorithm anticipates Seaport Therapeutics Common Stock (SPTX) stock could hit $24.39 by Sep 16, 2026. This represents a +12.15% fall from today's price, following a - change over the past five days.
SPTX Forecast For Next 30 Days
Based on analysis of market trends, the outlook for Seaport Therapeutics, Inc. Common Stock (SPTX) stock over the next 30 days is largely positive. Price forecasts suggest an average target of $24.43, which would mean a +12.32% increase from the current price of $21.75. Projections for this period range from a high of $27.34 to a low of $21.31.
SPTX Forecast For Next 90 Days
Our proprietary market analysis suggests predictions for Seaport Therapeutics Common Stock's price over the next three months point to a rise. SPTX stock is expected to peak at $53.97 on Nov 26, 2026 after potentially dipping to $25.00 on Sep 09, 2026. On average, SPTX is likely to trade around $44.62 in the coming 90 days.
Seaport Therapeutics Common Stock Stock Forecast 2025
Based on our predictive models, Seaport Therapeutics Common Stock (SPTX) is expected to trade between $25.00 and $53.97 throughout 2026. This would result in an average price of $46.24, potentially offering investors a +112.60% return from current levels.
Seaport Therapeutics, Inc. Common Stock Monthly Forecast 2026–2027
September 2026
According to our latest forecast models, Seaport Therapeutics, Inc. Common Stock (SPTX) is positioned to show a strong performance in September 2026. The price is predicted to move between $25.00 and $33.84, settling at an average of $28.95. This could translate to a +33.10% gain.
October 2026
Based on current market signals, Seaport Therapeutics, Inc. Common Stock is projected to trend october 2026. We forecast a trading range from $35.19 to $50.95, with a likely average price of $47.55. Investors could expect a potential return of +118.62%.
November 2026
Our predictive algorithms indicate Seaport Therapeutics, Inc. Common Stock stock may see a shift in November 2026. The expected range spans $48.73–$53.97, with an average target of $50.85. This represents a positive outlook and a possible gain of +133.79%.
December 2026
Analyzing established trends, Seaport Therapeutics, Inc. Common Stock looks set to move in December 2026. Projections place the stock between $52.09 and $53.55, averaging around $52.80. This suggests a +142.76% gain from current levels.
January 2027
Market indicators suggest Seaport Therapeutics, Inc. Common Stock could experience notable changes during January 2027. Prices could fluctuate within $53.50 to $58.05, with a midpoint forecast of $56.35. The stock might deliver a +159.08% gain.
February 2027
Forecasting for February 2027, models estimate that Seaport Therapeutics, Inc. Common Stock may undergo key fluctuations. If trends hold, the stock might trade between $56.89 and $69.14, averaging $64.29. This signals a positive trajectory with potential returns around +195.59%.
March 2027
According to our latest forecast models, Seaport Therapeutics, Inc. Common Stock (SPTX) is positioned to show a strong performance in March 2027. The price is predicted to move between $74.20 and $87.99, settling at an average of $84.62. This could translate to a +289.06% gain.
April 2027
Based on current market signals, Seaport Therapeutics, Inc. Common Stock is projected to trend april 2027. We forecast a trading range from $85.69 to $90.99, with a likely average price of $88.12. Investors could expect a potential return of +305.15%.
May 2027
Our predictive algorithms indicate Seaport Therapeutics, Inc. Common Stock stock may see a shift in May 2027. The expected range spans $89.04–$91.00, with an average target of $89.78. This represents a positive outlook and a possible gain of +312.78%.
June 2027
Analyzing established trends, Seaport Therapeutics, Inc. Common Stock looks set to move in June 2027. Projections place the stock between $91.03 and $95.12, averaging around $93.36. This suggests a +329.24% gain from current levels.
July 2027
Market indicators suggest Seaport Therapeutics, Inc. Common Stock could experience notable changes during July 2027. Prices could fluctuate within $93.93 to $113.78, with a midpoint forecast of $103.02. The stock might deliver a +373.66% gain.
August 2027
Forecasting for August 2027, models estimate that Seaport Therapeutics, Inc. Common Stock may undergo key fluctuations. If trends hold, the stock might trade between $118.86 and $124.99, averaging $122.93. This signals a positive trajectory with potential returns around +465.20%.
September 2027
According to our latest forecast models, Seaport Therapeutics, Inc. Common Stock (SPTX) is positioned to show a strong performance in September 2027. The price is predicted to move between $123.06 and $124.25, settling at an average of $123.76. This could translate to a +469.01% gain.
SPTX's history of dividends and stock splits also plays a role in long-term investor confidence.

