Gentex Corporation (GNTX)
NASDAQ: GNTX
· Real-Time Price · USD
27.69
-0.15 (-0.54%)
At close: Aug 14, 2025, 3:59 PM
27.69
0.00%
Pre-market: Aug 15, 2025, 08:45 AM EDT
GNTX Option Overview
Overview for all option chains of GNTX. As of August 15, 2025, GNTX options have an IV of 387.35% and an IV rank of 416.15%. The volume is 62 contracts, which is 13.6% of average daily volume of 456 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
387.35%IV Rank
416.15%Historical Volatility
48.12%IV Low
34.74% on Jan 31, 2025IV High
119.47% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
8,318Put-Call Ratio
1.13Put Open Interest
4,421Call Open Interest
3,897Open Interest Avg (30-day)
5,638Today vs Open Interest Avg (30-day)
147.53%Option Volume
Today's Volume
62Put-Call Ratio
0Put Volume
0Call Volume
62Volume Avg (30-day)
456Today vs Volume Avg (30-day)
13.6%Option Chain Statistics
This table provides a comprehensive overview of all GNTX 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 | 35 | 0 | 0 | 1,118 | 3,758 | 3.36 | 387.35% | 25 |
| Sep 19, 2025 | 4 | 0 | 0 | 1,171 | 162 | 0.14 | 75.62% | 22.5 |
| Oct 17, 2025 | 23 | 0 | 0 | 0 | 0 | 0 | 68.47% | 15 |
| Dec 19, 2025 | 0 | 0 | 0 | 1,247 | 472 | 0.38 | 43.61% | 22.5 |
| Jan 16, 2026 | 0 | 0 | 0 | 237 | 0 | 0 | 3.1% | 50 |
| Mar 20, 2026 | 0 | 0 | 0 | 124 | 29 | 0.23 | 37.37% | 25 |
| Dec 18, 2026 | 0 | 0 | 0 | 0 | 0 | 0 | 4.35% | 65 |