CollPlant Biotechnologies... (CLGN)
NASDAQ: CLGN
· Real-Time Price · USD
2.40
-0.06 (-2.44%)
At close: Oct 03, 2025, 3:58 PM
2.36
-1.67%
After-hours: Oct 03, 2025, 06:22 PM EDT
CLGN Option Overview
Overview for all option chains of CLGN. As of October 03, 2025, CLGN options have an IV of 340.32% and an IV rank of 77.39%. The volume is 20 contracts, which is 250% of average daily volume of 8 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
340.32%IV Rank
77.39%Historical Volatility
117.81%IV Low
110.39% on May 29, 2025IV High
407.49% on Jul 01, 2025Open Interest (OI)
Today's Open Interest
377Put-Call Ratio
1.45Put Open Interest
223Call Open Interest
154Open Interest Avg (30-day)
287Today vs Open Interest Avg (30-day)
131.36%Option Volume
Today's Volume
20Put-Call Ratio
0Put Volume
20Call Volume
0Volume Avg (30-day)
8Today vs Volume Avg (30-day)
250%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 | 340.32% | 2.5 |
| Nov 21, 2025 | 0 | 20 | 0 | 30 | 0 | 0 | 266.74% | 2.5 |
| Jan 16, 2026 | 0 | 0 | 0 | 36 | 128 | 3.56 | 156.91% | 2.5 |
| Apr 17, 2026 | 0 | 0 | 0 | 5 | 58 | 11.6 | 140.98% | 2.5 |