Why is RGEN Down Today?

RGEN
$180.37
▼ -6.17% ($-11.13)
Last updated: Oct 01, 2026 8:31 PM ET

About Repligen Corp

Repligen, headquartered in Waltham, Massachusetts, is a global life sciences company that develops and sells bioprocessing equipment and supplies used in the manufacturing of biologic drugs, including monoclonal antibodies, recombinant proteins, vaccines, and cell and gene therapies. Its customers i...

Sector: BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES)
Market Cap: $8.20B
Forward P/E: 73.0
52-Week Range: $100.99 - $198.87
Employees: 1,778

Overall Confidence: 67%

67% Confident

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

SECTOR 65% Confidence
🎯 BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES) sector moving together
This appears to be a sector-wide move. The BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES) sector is down 1.7% on average.

✅ Move Confirmation

MODERATE VOLUME 1.3x average volume

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

📍 Sector Context

BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES) sector: -1.7%

This appears to be a sector-wide move. Most BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES) stocks are moving in the same direction.

Market Comparison

RGEN is significantly underperforming the market (-6.3% vs SPY)
S&P 500
SPY
+0.18%
Nasdaq 100
QQQ
+0.31%
RGEN
This Stock
-6.17%
vs S&P 500: -6.35%
vs Nasdaq: -6.48%

📊 What Happens Next?

Probability Analysis

45% chance this move continues in the next 1-3 days

Expected Range

Based on historical patterns and options pricing, RGEN is expected to trade between:
$174.96 - $183.98

Key Level to Watch

$171.35 support
Watch for breakdown below $180.37

Quick Trade Ideas

Options strategies to consider for RGEN's -6% move

📊

No Options Available

RGEN 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.

🔔 Get RGEN Alerts

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

Last updated: Oct 01, 2026 8:31 PM (-173 minutes ago)
Data refreshes every 30 minutes during market hours

Historical Context

RGEN has moved more than 3.0% down on 28 occasions in the past year.

42.9%
Continuation Rate
12/28 times continued down
+0.34%
Avg Next Day Change
After similar down moves
Last similar move: Sep 01, 2026 (-6.1%) → Next day: +1.7%

Frequently Asked Questions

Why is RGEN stock down today?

This appears to be a sector-wide move. The BIOLOGICAL PRODUCTS, (NO DISGNOSTIC SUBSTANCES) sector is down 1.7% on average.

Is RGEN stock a buy or sell right now?

Based on current analysis, RGEN shows 67% confidence in today's move. Volume is moderate which supports the trend. View full buy/sell analysis →

What is the RGEN stock price target?

RGEN is currently trading at $180.37. Based on today's momentum, the expected short-term range is $174.96 - $183.98. See long-term price prediction →

Will RGEN stock continue falling?

Our analysis shows a 45% probability that RGEN's move continues in the next 1-3 days. Key level to watch: $171.35 (support).

Is RGEN stock oversold or overbought?

RGEN's RSI (Relative Strength Index) is currently at 51.8. This shows bullish momentum - the stock has positive momentum but isn't overextended yet.

What is the momentum for RGEN stock?

RGEN's 10-day momentum indicator is at 2.18. Strong bullish momentum - the stock is gaining significant upward force. This often precedes continued gains.

Is RGEN outperforming or underperforming the market?

RGEN (-6.17%) is currently significantly underperforming the market (-6.3% vs SPY). Today, the S&P 500 (SPY) is up 0.18%, and Nasdaq (QQQ) is up 0.31%.

What does MACD indicate for RGEN?

RGEN's MACD (5.92) is currently above the signal line (5.51), indicating a bullish trend. This technical signal suggests buying pressure is dominant. The trend strength (ADX: 40.9) is strong.

Is RGEN in an uptrend or downtrend?

Based on moving average analysis, RGEN is in a bullish trend. The price ($180.37) is trading above both the 20-day SMA ($178.25) and 50-day SMA ($168.85). This alignment typically indicates sustained upward momentum.

Check Why Another Stock is Moving

Enter any ticker symbol to see real-time analysis

Popular: AAPL TSLA NVDA MSFT META AMZN GOOGL