Atara Biotherapeutics Inc... (ATRA)
NASDAQ: ATRA
· Real-Time Price · USD
12.24
0.52 (4.44%)
At close: Aug 15, 2025, 3:59 PM
12.80
4.58%
After-hours: Aug 15, 2025, 04:57 PM EDT
ATRA Option Overview
Overview for all option chains of ATRA. As of July 13, 2025, ATRA options have an IV of 23.22% and an IV rank of n/a. The volume is 0 contracts, which is n/a of average daily volume of 0 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
23.22%IV Rank
< 0.01%Historical Volatility
116.65%IV Low
n/a on nullIV High
n/a on nullOpen Interest (OI)
Today's Open Interest
19Put-Call Ratio
0Put Open Interest
0Call Open Interest
19Open Interest Avg (30-day)
0Today vs Open Interest Avg (30-day)
n/aOption Volume
Today's Volume
0Put-Call Ratio
0Put Volume
0Call Volume
0Volume Avg (30-day)
0Today vs Volume Avg (30-day)
n/aOption Chain Statistics
This table provides a comprehensive overview of all ATRA 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 |
| Jan 16, 2026 | 0 | 0 | 0 | 19 | 0 | 0 | 23.22% | 0 |