Glaukos Corporation (GKOS)
NYSE: GKOS
· Real-Time Price · USD
80.02
-1.45 (-1.78%)
At close: Sep 26, 2025, 3:59 PM
80.35
0.41%
After-hours: Sep 26, 2025, 07:57 PM EDT
GKOS Option Overview
Overview for all option chains of GKOS. As of September 28, 2025, GKOS options have an IV of 146.48% and an IV rank of 219.6%. The volume is 85 contracts, which is 207.32% of average daily volume of 41 contracts. The volume put-call ratio is 0.08, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
146.48%IV Rank
100%Historical Volatility
40.45%IV Low
41.46% on Nov 28, 2024IV High
89.28% on Sep 26, 2025Open Interest (OI)
Today's Open Interest
2,828Put-Call Ratio
0.18Put Open Interest
427Call Open Interest
2,401Open Interest Avg (30-day)
2,498Today vs Open Interest Avg (30-day)
113.21%Option Volume
Today's Volume
85Put-Call Ratio
0.08Put Volume
6Call Volume
79Volume Avg (30-day)
41Today vs Volume Avg (30-day)
207.32%Option Chain Statistics
This table provides a comprehensive overview of all GKOS 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 | 5 | 3 | 0.6 | 1,865 | 148 | 0.08 | 146.48% | 85 |
| Nov 21, 2025 | 51 | 3 | 0.06 | 22 | 4 | 0.18 | 62.36% | 80 |
| Dec 19, 2025 | 10 | 0 | 0 | 228 | 102 | 0.45 | 59.23% | 80 |
| Jan 16, 2026 | 4 | 0 | 0 | 236 | 133 | 0.56 | 55.16% | 85 |
| Apr 17, 2026 | 9 | 0 | 0 | 50 | 40 | 0.8 | 50.39% | 85 |