Grifols S.A. (GRFS)
NASDAQ: GRFS
· Real-Time Price · USD
10.75
0.11 (1.03%)
At close: Aug 14, 2025, 3:59 PM
10.61
-1.30%
Pre-market: Aug 15, 2025, 07:51 AM EDT
GRFS Option Overview
Overview for all option chains of GRFS. As of August 15, 2025, GRFS options have an IV of 500% and an IV rank of 356.33%. The volume is 51 contracts, which is 25.25% of average daily volume of 202 contracts. The volume put-call ratio is 0.04, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
500%IV Rank
356.33%Historical Volatility
29.36%IV Low
73.69% on Dec 26, 2024IV High
193.33% on Aug 13, 2025Open Interest (OI)
Today's Open Interest
4,997Put-Call Ratio
1.22Put Open Interest
2,743Call Open Interest
2,254Open Interest Avg (30-day)
5,269Today vs Open Interest Avg (30-day)
94.84%Option Volume
Today's Volume
51Put-Call Ratio
0.04Put Volume
2Call Volume
49Volume Avg (30-day)
202Today vs Volume Avg (30-day)
25.25%Option Chain Statistics
This table provides a comprehensive overview of all GRFS 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 | 1 | 0 | 0 | 909 | 935 | 1.03 | 500% | 10 |
| Sep 19, 2025 | 48 | 2 | 0.04 | 107 | 720 | 6.73 | 142.47% | 12 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 65.46% | 3 |
| Nov 21, 2025 | 0 | 0 | 0 | 168 | 327 | 1.95 | 66.47% | 9 |
| Dec 19, 2025 | 0 | 0 | 0 | 912 | 753 | 0.83 | 51.18% | 10 |
| Feb 20, 2026 | 0 | 0 | 0 | 158 | 8 | 0.05 | 47.3% | 7 |