Knife River Corporation (KNF)
NYSE: KNF
· Real-Time Price · USD
81.07
0.18 (0.22%)
At close: Aug 29, 2025, 3:59 PM
82.62
1.91%
After-hours: Aug 29, 2025, 06:40 PM EDT
KNF Option Overview
Overview for all option chains of KNF. As of August 29, 2025, KNF options have an IV of 62.55% and an IV rank of 93.92%. The volume is 56 contracts, which is 430.77% of average daily volume of 13 contracts. The volume put-call ratio is 0.3, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
62.55%IV Rank
93.92%Historical Volatility
40.18%IV Low
39.66% on Aug 30, 2024IV High
64.03% on Aug 28, 2025Open Interest (OI)
Today's Open Interest
572Put-Call Ratio
0.27Put Open Interest
122Call Open Interest
450Open Interest Avg (30-day)
513Today vs Open Interest Avg (30-day)
111.5%Option Volume
Today's Volume
56Put-Call Ratio
0.3Put Volume
13Call Volume
43Volume Avg (30-day)
13Today vs Volume Avg (30-day)
430.77%Option Chain Statistics
This table provides a comprehensive overview of all KNF 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 |
| Sep 19, 2025 | 1 | 3 | 3 | 35 | 4 | 0.11 | 62.55% | 80 |
| Oct 17, 2025 | 22 | 0 | 0 | 195 | 98 | 0.5 | 65.61% | 85 |
| Nov 21, 2025 | 10 | 10 | 1 | 154 | 19 | 0.12 | 54.84% | 85 |
| Jan 16, 2026 | 0 | 0 | 0 | 4 | 0 | 0 | n/a | 8 |
| Feb 20, 2026 | 10 | 0 | 0 | 62 | 1 | 0.02 | 43.87% | 70 |