89bio Inc.

NASDAQ: ETNB · Real-Time Price · USD
9.24
0.14 (1.54%)
At close: Aug 15, 2025, 3:45 PM

ETNB Option Overview

Overview for all option chains of ETNB. As of August 15, 2025, ETNB options have an IV of 500% and an IV rank of 332.41%. The volume is 1,212 contracts, which is 203.7% of average daily volume of 595 contracts. The volume put-call ratio is 0.49, indicating a bullish sentiment in the market.

Implied Volatility

Implied Volatility (30d)
500%
IV Rank
332.41%
Historical Volatility
45.05%
IV Low
75.01% on Aug 30, 2024
IV High
202.86% on Aug 14, 2025

Open Interest (OI)

Today's Open Interest
31,747
Put-Call Ratio
1.31
Put Open Interest
18,026
Call Open Interest
13,721
Open Interest Avg (30-day)
26,062
Today vs Open Interest Avg (30-day)
121.81%

Option Volume

Today's Volume
1,212
Put-Call Ratio
0.49
Put Volume
401
Call Volume
811
Volume Avg (30-day)
595
Today vs Volume Avg (30-day)
203.7%

Option Chain Statistics

This table provides a comprehensive overview of all ETNB 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 403 0 0 4,849 14,318 2.95 500% 10
Sep 19, 2025 0 0 0 886 26 0.03 188.32% 10
Oct 17, 2025 0 0 0 0 0 0 201.38% 2.5
Nov 21, 2025 400 401 1 4,029 2,686 0.67 85.44% 10
Dec 19, 2025 5 0 0 3,778 824 0.22 89.07% 7.5
Feb 20, 2026 3 0 0 179 172 0.96 90.35% 10