Cerus Corporation (CERS)
NASDAQ: CERS
· Real-Time Price · USD
1.17
-0.02 (-1.68%)
At close: Aug 20, 2025, 1:41 PM
CERS Open Interest Chart
Open interest breakdown by expiration date for CERS
options contracts. Displaying data for 5
active expiration dates with future expiry.
Total open interest across all expiries is
5,620
contracts, with 5,132
call contracts and
488 put contracts. The
overall put-call open interest ratio is
0.10, indicating a
bullish
bias in positioning. Options expire from
Sep 19, 2025
to
Feb 20, 2026.
Open Interest Table
| Expiry Date | Call OI | Put OI | P/C OI |
|---|---|---|---|
| Sep 19, 2025 | 14 | 44 | 3.14 |
| Oct 17, 2025 | 28 | 0 | 0.00 |
| Nov 21, 2025 | 585 | 8 | 0.01 |
| Dec 19, 2025 | 3,829 | 323 | 0.08 |
| Feb 20, 2026 | 676 | 113 | 0.17 |