Protagonist Therapeutics Inc
PTGX
NASDAQ
Biotechnology
$155.10
USD
+3.68 (+2.43%)
At close: Aug 14, 2026, 4:00 PM EDT
Market Cap $9.93B
Volume 426.3K
Open
$84.07
Feb 12 – Aug 14
High
$155.53
Feb 12 – Aug 14
Low
$77.00
Feb 12 – Aug 14
Close
$155.10
Feb 12 – Aug 14
+90.3%
Trend Analysis
Short Term (1M)
Bullish
Medium Term (3M)
Bullish
Long Term (6M)
Bullish
Support and Resistance
Resistance (Strong)
$155.53
Resistance (Weak)
$154.99
Support (Strong)
$77.00
Support (Weak)
$80.40
Volume Analysis
Today's Volume
426.3K
Average Volume (6M)
680.6K
Volume Trend
Below Avg
Chart Reading Tips