Why is PBYI Down Today?

PBYI
$9.57
▼ -2.77% ($-0.26)
Last updated: Oct 02, 2026 8:36 PM ET (340 min ago)

About PUMA BIOTECHNOLOGY INC

Puma Biotechnology Inc is a biopharmaceutical company that develops and commercializes inventive products to enhance cancer care and improve treatment outcomes for patients. It is currently commercializing NERLYNX, an oral version of neratinib, for the treatment of HER2-positive breast cancer. Also ...

Sector: PHARMACEUTICAL PREPARATIONS
Market Cap: $265.45M
Forward P/E: 9.2
52-Week Range: $4.58 - $10.10
Employees: 172

Overall Confidence: 65%

65% Confident

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

SECTOR 65% Confidence
🎯 PHARMACEUTICAL PREPARATIONS sector moving together
This appears to be a sector-wide move. The PHARMACEUTICAL PREPARATIONS sector is down 1.6% on average.

✅ Move Confirmation

LOW VOLUME 0.9x average volume

UNCONFIRMED - Low volume suggests this move may not be sustainable.

📍 Sector Context

PHARMACEUTICAL PREPARATIONS sector: -1.6%

This appears to be a sector-wide move. Most PHARMACEUTICAL PREPARATIONS stocks are moving in the same direction.

Market Comparison

PBYI is significantly underperforming the market (-3.5% vs SPY)
S&P 500
SPY
+0.74%
Nasdaq 100
QQQ
+1.02%
PBYI
This Stock
-2.77%
vs S&P 500: -3.51%
vs Nasdaq: -3.79%

📊 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, PBYI is expected to trade between:
$9.28 - $9.76

Key Level to Watch

$9.09 support
Watch for breakdown below $9.57

🔔 Get PBYI Alerts

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

Last updated: Oct 02, 2026 8:36 PM (340 minutes ago)
Data refreshes every 30 minutes during market hours

Options Market Insight

Bullish
Options Sentiment
0.07
Put/Call Ratio
156.2%
Implied Volatility
Call Volume: 17,062
Put Volume: 1,273
Total: 18,335
Unusual Activity: $10 CALL (2,532 vol) $10 CALL (2,030 vol)

Historical Context

PBYI has moved more than 3.0% down on 25 occasions in the past year.

20.0%
Continuation Rate
5/25 times continued down
+2.3%
Avg Next Day Change
After similar down moves
Last similar move: Sep 23, 2026 (-5.5%) → Next day: +5.8%

Frequently Asked Questions

Why is PBYI stock down today?

This appears to be a sector-wide move. The PHARMACEUTICAL PREPARATIONS sector is down 1.6% on average.

Is PBYI stock a buy or sell right now?

Based on current analysis, PBYI shows 65% confidence in today's move. Volume is low which does not confirm the trend. View full buy/sell analysis →

What is the PBYI stock price target?

PBYI is currently trading at $9.57. Based on today's momentum, the expected short-term range is $9.28 - $9.76. See long-term price prediction →

Will PBYI stock continue falling?

Our analysis shows a 45% probability that PBYI's move continues in the next 1-3 days. Key level to watch: $9.09 (support).

Is PBYI stock oversold or overbought?

PBYI's RSI (Relative Strength Index) is currently at 51.5. This shows bullish momentum - the stock has positive momentum but isn't overextended yet.

What is the momentum for PBYI stock?

PBYI's 10-day momentum indicator is at -0.09. Negative momentum - the stock has mild downward pressure which may continue short-term.

Is PBYI outperforming or underperforming the market?

PBYI (-2.77%) is currently significantly underperforming the market (-3.5% vs SPY). Today, the S&P 500 (SPY) is up 0.74%, and Nasdaq (QQQ) is up 1.02%.

What does MACD indicate for PBYI?

PBYI's MACD (0.19) is currently below the signal line (0.21), indicating a bearish trend. This technical signal suggests selling pressure is dominant. The trend strength (ADX: 11.6) is weak.

Is PBYI in an uptrend or downtrend?

Based on moving average analysis, PBYI is in a mixed/transitional trend. The price and moving averages are not clearly aligned, suggesting a potential trend change or consolidation phase. 20-day SMA: $9.52, 50-day SMA: $9.03.

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