Cerus Corporation (CERS)
NASDAQ: CERS
· Real-Time Price · USD
1.23
-0.04 (-3.15%)
At close: Aug 15, 2025, 3:59 PM
1.25
1.63%
After-hours: Aug 15, 2025, 05:48 PM EDT
CERS Open Interest Chart
Open interest breakdown by expiration date for CERS
options contracts. Displaying data for 4
active expiration dates with future expiry.
Total open interest across all expiries is
5,445
contracts, with 5,092
call contracts and
353 put contracts. The
overall put-call open interest ratio is
0.07, 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 | 12 | 11 | 0.92 |
Nov 21, 2025 | 585 | 8 | 0.01 |
Dec 19, 2025 | 3,821 | 323 | 0.08 |
Feb 20, 2026 | 674 | 11 | 0.02 |