Price Alert

Protagonist Therapeutics ... (PTGX)

NASDAQ: PTGX · Real-Time Price · USD

64.83

-0.15 (-0.23%)

At close: Oct 03, 2025, 3:59 PM

64.83

0.00%

After-hours: Oct 03, 2025, 04:10 PM EDT

PTGX Option Overview

Overview for all option chains of PTGX. As of October 03, 2025, PTGX options have an IV of 172.45% and an IV rank of 175.84%. The volume is 27 contracts, which is 8.71% of average daily volume of 310 contracts. The volume put-call ratio is 0.5, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)

172.45%

IV Rank

100%

Historical Volatility

49.1%

IV Low

53.42% on Apr 02, 2025

IV High

121.11% on Sep 26, 2025

Open Interest (OI)

Today's Open Interest

2,384

Put-Call Ratio

0.34

Put Open Interest

607

Call Open Interest

1,777

Open Interest Avg (30-day)

2,667

Today vs Open Interest Avg (30-day)

89.39%

Option Volume

Today's Volume

Put-Call Ratio

0.5

Put Volume

Call Volume

Volume Avg (30-day)

310

Today vs Volume Avg (30-day)

8.71%

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
Oct 17, 2025	8	9	1.12	1,262	388	0.31	172.45%	55
Nov 21, 2025	5	0	0	63	151	2.4	92.68%	65
Jan 16, 2026	0	0	0	194	58	0.3	70.76%	40
Mar 20, 2026	5	0	0	92	7	0.08	63.41%	22.5
Apr 17, 2026	0	0	0	138	3	0.02	55.18%	45
Jul 17, 2026	0	0	0	28	0	0	50.86%	35