Compass Therapeutics Inc. (CMPX)
NASDAQ: CMPX
· Real-Time Price · USD
3.74
0.25 (7.16%)
At close: Sep 26, 2025, 3:59 PM
3.80
1.60%
After-hours: Sep 26, 2025, 06:56 PM EDT
CMPX Option Overview
Overview for all option chains of CMPX. As of September 28, 2025, CMPX options have an IV of 138.69% and an IV rank of 1.2%. The volume is 141 contracts, which is 27.7% of average daily volume of 509 contracts. The volume put-call ratio is 0.01, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
138.69%IV Rank
1.2%Historical Volatility
56.08%IV Low
134.96% on Aug 18, 2025IV High
445.12% on Apr 10, 2025Open Interest (OI)
Today's Open Interest
10,976Put-Call Ratio
0.01Put Open Interest
82Call Open Interest
10,894Open Interest Avg (30-day)
5,989Today vs Open Interest Avg (30-day)
183.27%Option Volume
Today's Volume
141Put-Call Ratio
0.01Put Volume
1Call Volume
140Volume Avg (30-day)
509Today vs Volume Avg (30-day)
27.7%Option Chain Statistics
This table provides a comprehensive overview of all CMPX 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 | 16 | 0 | 0 | 34 | 3 | 0.09 | 138.69% | 2 |
| Nov 21, 2025 | 11 | 0 | 0 | 10,395 | 38 | 0 | 125.91% | 1 |
| Dec 19, 2025 | 0 | 1 | 0 | 235 | 23 | 0.1 | 239.31% | 1 |
| Jan 16, 2026 | 12 | 0 | 0 | 94 | 2 | 0.02 | 119.53% | 1 |
| Feb 20, 2026 | 100 | 0 | 0 | 121 | 16 | 0.13 | 220.3% | 1 |
| May 15, 2026 | 1 | 0 | 0 | 15 | 0 | 0 | 264.46% | 1 |