Atara Biotherapeutics Inc... (ATRA)
NASDAQ: ATRA
· Real-Time Price · USD
12.05
-0.31 (-2.51%)
At close: Aug 29, 2025, 3:59 PM
ATRA Open Interest Chart
Open interest breakdown by expiration date for ATRA
options contracts. Displaying data for 1
active expiration dates with future expiry.
Total open interest across all expiries is
19
contracts, with 19
call contracts and
0 put contracts. The
overall put-call open interest ratio is
0.00, indicating a
bullish
bias in positioning. Options expire from
Jan 16, 2026
to
Jan 16, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Jan 16, 2026 | 19 | 0 | 0.00 |