PTGX Stock Analysis: Buy, Sell, or Hold?
PTGX - Protagonist Therapeutics, Inc
$154.32
3.63 (2.41%)
▲
5d:
-0.5%
30d:
+13.95%
90d:
+51.28%
WAIT
LOW Confidence
Analysis Updated: Aug 21, 2026 12:00 AM ET
Earnings: Aug 05, 2026
0d
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Interactive Price Chart (1 Month)
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Bottom Line:
📊 MIXED SIGNALS: PTGX shows conflicting indicators. Wait for confirmation before entering.
📊 MIXED SIGNALS: PTGX shows conflicting indicators. Wait for confirmation before entering.
In-depth Analysis How we analyze
Valuation Analysis: PTGX is currently trading at $154.32, which is considered extended relative to its 30-day fair value range of $134.23 to $151.40. From a valuation perspective, the stock is trading at a discount (Forward PE: -1077.9) compared to its historical average (83.6). At these levels, the market is pricing in 0% annual earnings growth. This growth rate appears achievable given the company's track record, suggesting the valuation is rational.
Technical Outlook: Technically, PTGX is in a strong uptrend. Immediate support is located at $147.33, while resistance sits at $160.81.
Market Sentiment: PTGX scores 16/100 on our bottoming-setup gauge. Note this measures entry quality, not trend direction — a low score can mean the chart is extended after a strong run (don't chase) or still falling without stabilization; better entries typically come after a pullback toward the 20-day average. In the options market, Implied Volatility is low (0th percentile), suggesting options premiums are relatively cheap. This makes it an attractive time for long options strategies if you have a directional bias. Wall Street analysts see significant upside, with an average price target of $170.38 (+13.1%). Current signals suggest waiting for a better entry point before initiating new positions.
Technical Outlook: Technically, PTGX is in a strong uptrend. Immediate support is located at $147.33, while resistance sits at $160.81.
Market Sentiment: PTGX scores 16/100 on our bottoming-setup gauge. Note this measures entry quality, not trend direction — a low score can mean the chart is extended after a strong run (don't chase) or still falling without stabilization; better entries typically come after a pullback toward the 20-day average. In the options market, Implied Volatility is low (0th percentile), suggesting options premiums are relatively cheap. This makes it an attractive time for long options strategies if you have a directional bias. Wall Street analysts see significant upside, with an average price target of $170.38 (+13.1%). Current signals suggest waiting for a better entry point before initiating new positions.
Quick Decision Summary
Current Position
EXTENDED
Historical Trading Range
$134.23 -
$151.40
Company Quality Score
43/100
(HOLD)
Volume Confirmation
HIGH
Confidence Score
44.2%
Protect Your Profits
Holding PTGX? Use our AI-powered strategies to protect your downside while keeping your long-term position.
View Profit Protection PlanAll Signals
- BEARISH: Price extended above range
- BULLISH: Options cheap (IV 0th percentile)
- BEARISH: Weak technical setup (16/100)
- BULLISH: High volume confirmation
- BULLISH: Trading below Wall St target ($170.38)
- BULLISH: Market expects only 0% annual growth - appears undervalued
- WARNING: Composite score 43/100 in the bottom quintile — this cohort historically lags the market
Trading Range Analysis
30-Day Trading Range
$134.23 -
$151.40
Current vs Trading Range
EXTENDED
Expected Move (7 Days)
±$9.36
(6.1%)
Support & Resistance Levels
Support Level
$147.33
Resistance Level
$160.81
Current Trend
Strong Uptrend
Technical data as of
Aug 21, 2026
Fundamental Context
Forward P/E (Next Year Est.)
-1077.90
Wall Street Target
$170.38
(+13.1%)
Revenue Growth (YoY)
3749.2%
Earnings Growth (YoY)
351.3%
Profit Margin
29.4%
PE vs Historical
-1077.9 vs 83.6
CHEAP
Share & Embed Analysis
Last updated: August 23, 2026 3:45 AM ET
Data refreshes hourly during market hours. Next update: 4:45 AM
Data refreshes hourly during market hours. Next update: 4:45 AM
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Technical Signals Check
Is PTGX showing a specific setup today?
Insider Activity (6 Months)
0
Buys
6
Sells
Net
INSIDERS SELLING
Recent Transactions
Asif Ali
SELL
1750 shares
2026-04-20
Arturo Md Molina
SELL
15000 shares
2026-03-26
Asif Ali
SELL
24765 shares
2026-03-26
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Advanced PTGX Option Strategies
Professional options setups generated by AI based on today's PTGX price and gamma walls.
