CollPlant Biotechnologies... (CLGN)
NASDAQ: CLGN
· Real-Time Price · USD
2.40
-0.06 (-2.44%)
At close: Oct 03, 2025, 3:58 PM
2.34
-2.50%
After-hours: Oct 03, 2025, 07:21 PM EDT
CLGN Option Overview
Overview for all option chains of CLGN. As of October 05, 2025, CLGN options have an IV of 401.04% and an IV rank of 97.83%. The volume is 15 contracts, which is 166.67% of average daily volume of 9 contracts. The volume put-call ratio is 14, indicating a bearish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
401.04%IV Rank
97.83%Historical Volatility
78.55%IV Low
110.39% on May 29, 2025IV High
407.49% on Jul 01, 2025Open Interest (OI)
Today's Open Interest
397Put-Call Ratio
1.58Put Open Interest
243Call Open Interest
154Open Interest Avg (30-day)
294Today vs Open Interest Avg (30-day)
135.03%Option Volume
Today's Volume
15Put-Call Ratio
14Put Volume
14Call Volume
1Volume Avg (30-day)
9Today vs Volume Avg (30-day)
166.67%Option Chain Statistics
This table provides a comprehensive overview of all CLGN options grouped by their expiration dates.
| Expiration | Call Vol | Put Vol | P/C Vol | Call OI | Put OI | P/C OI | Implied Volatility | Max Pain |
| Oct 17, 2025 | 0 | 0 | 0 | 83 | 37 | 0.45 | 401.04% | 2.5 |
| Nov 21, 2025 | 0 | 0 | 0 | 30 | 20 | 0.67 | 247.62% | 2.5 |
| Jan 16, 2026 | 0 | 0 | 0 | 36 | 128 | 3.56 | 183.44% | 2.5 |
| Apr 17, 2026 | 1 | 14 | 14 | 5 | 58 | 11.6 | 121.57% | 2.5 |