Catalyst Pharmaceuticals ... (CPRX)
NASDAQ: CPRX
· Real-Time Price · USD
20.23
0.16 (0.80%)
At close: Aug 15, 2025, 3:59 PM
20.23
0.02%
After-hours: Aug 15, 2025, 04:04 PM EDT
CPRX Option Overview
Overview for all option chains of CPRX. As of August 15, 2025, CPRX options have an IV of 354.24% and an IV rank of 334.1%. The volume is 281 contracts, which is 69.9% of average daily volume of 402 contracts. The volume put-call ratio is 0.19, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
354.24%IV Rank
334.1%Historical Volatility
41.78%IV Low
50.88% on Jan 22, 2025IV High
141.68% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
12,002Put-Call Ratio
0.72Put Open Interest
5,014Call Open Interest
6,988Open Interest Avg (30-day)
9,044Today vs Open Interest Avg (30-day)
132.71%Option Volume
Today's Volume
281Put-Call Ratio
0.19Put Volume
45Call Volume
236Volume Avg (30-day)
402Today vs Volume Avg (30-day)
69.9%Option Chain Statistics
This table provides a comprehensive overview of all CPRX 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 | 22 | 9 | 0.41 | 1,867 | 1,230 | 0.66 | 354.24% | 20 |
| Sep 19, 2025 | 203 | 20 | 0.1 | 3,094 | 165 | 0.05 | 44.12% | 15 |
| Oct 17, 2025 | 0 | 10 | 0 | 0 | 0 | 0 | 77.55% | 2.5 |
| Dec 19, 2025 | 9 | 6 | 0.67 | 1,516 | 3,609 | 2.38 | 57.15% | 25 |
| Jan 16, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 13.35% | 70 |
| Mar 20, 2026 | 2 | 0 | 0 | 511 | 10 | 0.02 | 61.24% | 12.5 |