Gossamer Bio Inc.

NASDAQ: GOSS · Real-Time Price · USD
1.92
-0.07 (-3.52%)
At close: Aug 19, 2025, 3:59 PM
1.92
0.26%
After-hours: Aug 19, 2025, 07:21 PM EDT

GOSS Option Overview

Overview for all option chains of GOSS. As of August 20, 2025, GOSS options have an IV of 135.48% and an IV rank of 13.47%. The volume is 136 contracts, which is 8.66% of average daily volume of 1,571 contracts. The volume put-call ratio is 0.64, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
135.48%
IV Rank
13.47%
Historical Volatility
92.17%
IV Low
114.22% on Feb 20, 2025
IV High
272.03% on Apr 14, 2025

Open Interest (OI)

Today's Open Interest
76,178
Put-Call Ratio
0.03
Put Open Interest
2,279
Call Open Interest
73,899
Open Interest Avg (30-day)
63,935
Today vs Open Interest Avg (30-day)
119.15%

Option Volume

Today's Volume
136
Put-Call Ratio
0.64
Put Volume
53
Call Volume
83
Volume Avg (30-day)
1,571
Today vs Volume Avg (30-day)
8.66%

Option Chain Statistics

This table provides a comprehensive overview of all GOSS 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
Sep 19, 2025 28 47 1.68 21,241 15 0 135.48% 1.5
Oct 17, 2025 0 0 0 0 0 0 128.94% 0.5
Nov 21, 2025 0 0 0 3,268 24 0.01 99.09% 0.5
Jan 16, 2026 45 0 0 35,228 2,120 0.06 106.09% 0.5
Feb 20, 2026 10 6 0.6 14,038 120 0.01 157.91% 1
Mar 20, 2026 0 0 0 16 0 0 172.19% 0.5
Dec 18, 2026 0 0 0 108 0 0 36.9% 95