Why is SEPN Down Today?

SEPN
$48.13
▼ -8.04% ($-3.87)
Last updated: Nov 11, 2026 8:30 PM ET (329 min ago)

About Septerna, Inc. Common Stock

Septerna Inc is a clinical-stage biotechnology company pioneering a new era of G protein-coupled receptor (GPCR) oral small molecule drug discovery powered by a proprietary Native Complex Platform. Its industrial-scale platform aims to unlock the full potential of GPCR therapies. The group discovery...

Sector: PHARMACEUTICAL PREPARATIONS
Market Cap: $847.12M
Forward P/E: -37.3
52-Week Range: $18.64 - $53.34
Employees: 75

Overall Confidence: 65%

65% Confident

Based on news, social sentiment, options activity, and sector analysis

SYMPATHY 60% Confidence
🎯 Outperforming sector by 8.6%
This stock is significantly underperforming its PHARMACEUTICAL PREPARATIONS sector peers, suggesting a stock-specific catalyst.

✅ Move Confirmation

MODERATE VOLUME 1.9x average volume

NORMAL - This move is backed by significant volume and appears sustainable.

📍 Sector Context

PHARMACEUTICAL PREPARATIONS sector: +0.6%

SEPN is outperforming its sector by -8.6%. This suggests a stock-specific catalyst.

Market Comparison

SEPN is significantly underperforming the market (-9.4% vs SPY)
S&P 500
SPY
+1.32%
Nasdaq 100
QQQ
+2.31%
SEPN
This Stock
-8.04%
vs S&P 500: -9.36%
vs Nasdaq: -10.35%

📊 What Happens Next?

Probability Analysis

55% chance this move continues in the next 1-3 days

Expected Range

Based on historical patterns and options pricing, SEPN is expected to trade between:
$46.69 - $49.09

Key Level to Watch

$45.72 support
Watch for breakdown below $48.13

Quick Trade Ideas

Options strategies to consider for SEPN's -8% move

📊

No Options Available

SEPN doesn't have listed options or options data is currently unavailable.

Try another stock in our Options Calculator →
Disclaimer: These are educational examples only, not investment advice. Options involve significant risk including total loss of premium. Prices shown are estimates and may differ from actual market prices. Always do your own research and consider your risk tolerance.

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We'll notify you when SEPN's trend changes or a new signal fires.

Last updated: Nov 11, 2026 8:30 PM (329 minutes ago)
Data refreshes every 30 minutes during market hours

Historical Context

SEPN has moved more than 3.0% down on 41 occasions in the past year.

41.5%
Continuation Rate
17/41 times continued down
+0.56%
Avg Next Day Change
After similar down moves
Last similar move: Oct 13, 2026 (-3.0%) → Next day: -0.3%

Frequently Asked Questions

Why is SEPN stock down today?

This stock is significantly underperforming its PHARMACEUTICAL PREPARATIONS sector peers, suggesting a stock-specific catalyst.

Is SEPN stock a buy or sell right now?

Based on current analysis, SEPN shows 65% confidence in today's move. Volume is moderate which supports the trend. View full buy/sell analysis →

What is the SEPN stock price target?

SEPN is currently trading at $48.13. Based on today's momentum, the expected short-term range is $46.69 - $49.09. See long-term price prediction →

Will SEPN stock continue falling?

Our analysis shows a 55% probability that SEPN's move continues in the next 1-3 days. Key level to watch: $45.72 (support).

Is SEPN stock oversold or overbought?

SEPN's RSI (Relative Strength Index) is currently at 63.1. This shows bullish momentum - the stock has positive momentum but isn't overextended yet.

What is the momentum for SEPN stock?

SEPN's 10-day momentum indicator is at 4.31. Strong bullish momentum - the stock is gaining significant upward force. This often precedes continued gains.

Is SEPN outperforming or underperforming the market?

SEPN (-8.04%) is currently significantly underperforming the market (-9.4% vs SPY). Today, the S&P 500 (SPY) is up 1.32%, and Nasdaq (QQQ) is up 2.31%.

What does MACD indicate for SEPN?

SEPN's MACD (2.93) is currently above the signal line (2.17), indicating a bullish trend. This technical signal suggests buying pressure is dominant. The trend strength (ADX: 20.3) is moderate.

Is SEPN in an uptrend or downtrend?

Based on moving average analysis, SEPN is in a bullish trend. The price ($48.13) is trading above both the 20-day SMA ($43.66) and 50-day SMA ($40.26). This alignment typically indicates sustained upward momentum.

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