(GREK)
AMEX: GREK
· Real-Time Price · USD
66.91
0.38 (0.57%)
At close: Aug 15, 2025, 3:59 PM
66.89
-0.02%
After-hours: Aug 15, 2025, 06:05 PM EDT
GREK Option Overview
Overview for all option chains of GREK. As of August 15, 2025, GREK options have an IV of 214.46% and an IV rank of 357.79%. The volume is 15 contracts, which is 107.14% of average daily volume of 14 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
214.46%IV Rank
357.79%Historical Volatility
18.86%IV Low
28.36% on Jan 16, 2025IV High
80.38% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
726Put-Call Ratio
0.39Put Open Interest
202Call Open Interest
524Open Interest Avg (30-day)
610Today vs Open Interest Avg (30-day)
119.02%Option Volume
Today's Volume
15Put-Call Ratio
0Put Volume
0Call Volume
15Volume Avg (30-day)
14Today vs Volume Avg (30-day)
107.14%Option Chain Statistics
This table provides a comprehensive overview of all GREK 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 | 15 | 0 | 0 | 87 | 54 | 0.62 | 214.46% | 57 |
| Sep 19, 2025 | 0 | 0 | 0 | 76 | 132 | 1.74 | 30.21% | 60 |
| Oct 17, 2025 | 0 | 0 | 0 | 0 | 0 | 0 | 23.77% | 56 |
| Dec 19, 2025 | 0 | 0 | 0 | 309 | 16 | 0.05 | 49.66% | 52 |
| Jan 16, 2026 | 0 | 0 | 0 | 40 | 0 | 0 | n/a | 7.5 |
| Mar 20, 2026 | 0 | 0 | 0 | 12 | 0 | 0 | 25.16% | 35 |