Protagonist Therapeutics ... (PTGX)
NASDAQ: PTGX
· Real-Time Price · USD
56.09
1.10 (2.00%)
At close: Aug 15, 2025, 12:40 PM
PTGX Option Overview
Overview for all option chains of PTGX. As of August 15, 2025, PTGX options have an IV of 303.71% and an IV rank of 486.23%. The volume is 38 contracts, which is 26.95% of average daily volume of 141 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
303.71%IV Rank
486.23%Historical Volatility
37.54%IV Low
53.42% on Apr 02, 2025IV High
104.89% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
3,613Put-Call Ratio
0.24Put Open Interest
709Call Open Interest
2,904Open Interest Avg (30-day)
2,871Today vs Open Interest Avg (30-day)
125.84%Option Volume
Today's Volume
38Put-Call Ratio
0Put Volume
0Call Volume
38Volume Avg (30-day)
141Today vs Volume Avg (30-day)
26.95%Option Chain Statistics
This table provides a comprehensive overview of all PTGX options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Aug 15, 2025 | 19 | 0 | 0 | 316 | 342 | 1.08 | 303.71% | 55 |
| Sep 19, 2025 | 17 | 0 | 0 | 1,989 | 16 | 0.01 | 75.48% | 45 |
| Oct 17, 2025 | 0 | 0 | 0 | 367 | 289 | 0.79 | 75.77% | 55 |
| Jan 16, 2026 | 0 | 0 | 0 | 152 | 57 | 0.38 | 49.09% | 40 |
| Mar 20, 2026 | 1 | 0 | 0 | 80 | 5 | 0.06 | 47.12% | 22.5 |
| Apr 17, 2026 | 1 | 0 | 0 | 0 | 0 | 0 | 42.41% | 30 |