Cerus Corporation

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