CollPlant Biotechnologies... (CLGN)
NASDAQ: CLGN
· Real-Time Price · USD
2.51
-0.10 (-3.83%)
At close: Aug 15, 2025, 2:27 PM
CLGN Option Overview
Overview for all option chains of CLGN. As of August 15, 2025, CLGN options have an IV of 399.71% and an IV rank of 98.6%. The volume is 40 contracts, which is 400% of average daily volume of 10 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
399.71%IV Rank
98.6%Historical Volatility
106.51%IV Low
110.39% on May 29, 2025IV High
403.81% on May 08, 2025Open Interest (OI)
Today's Open Interest
224Put-Call Ratio
2.67Put Open Interest
163Call Open Interest
61Open Interest Avg (30-day)
135Today vs Open Interest Avg (30-day)
165.93%Option Volume
Today's Volume
40Put-Call Ratio
0Put Volume
40Call Volume
0Volume Avg (30-day)
10Today vs Volume Avg (30-day)
400%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 |
| Aug 15, 2025 | 0 | 40 | 0 | 1 | 1 | 1 | 399.71% | 2.5 |
| Sep 19, 2025 | 0 | 0 | 0 | 6 | 0 | 0 | 207.59% | 2.5 |
| Oct 17, 2025 | 0 | 0 | 0 | 22 | 34 | 1.55 | 210.12% | 2.5 |
| Jan 16, 2026 | 0 | 0 | 0 | 32 | 128 | 4 | 153.65% | 2.5 |
| Apr 17, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 426.1% | 2.5 |