CollPlant Biotechnologies...

NASDAQ: CLGN · Real-Time Price · USD
2.66
0.11 (4.32%)
At close: Aug 18, 2025, 3:59 PM
2.66
0.00%
After-hours: Aug 18, 2025, 04:10 PM EDT

CLGN Open Interest Chart

Open interest breakdown by expiration date for CLGN options contracts. Displaying data for 3 active expiration dates with future expiry.
Total open interest across all expiries is 222 contracts, with 60 call contracts and 162 put contracts. The overall put-call open interest ratio is 2.70, indicating a bearish bias in positioning. Options expire from Sep 19, 2025 to Jan 16, 2026.

Open Interest Table

Expiry Date Call OI Put OI P/C OI
Sep 19, 2025 6 0 0.00
Oct 17, 2025 22 34 1.55
Jan 16, 2026 32 128 4.00