Knife River Corporation (KNF)
NYSE: KNF
· Real-Time Price · USD
91.00
-3.57 (-3.77%)
At close: Aug 14, 2025, 3:59 PM
92.60
1.75%
Pre-market: Aug 15, 2025, 08:51 AM EDT
KNF Option Overview
Overview for all option chains of KNF. As of August 15, 2025, KNF options have an IV of 355.97% and an IV rank of 429.45%. The volume is 18 contracts, which is 12.16% of average daily volume of 148 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
355.97%IV Rank
429.45%Historical Volatility
27.88%IV Low
39.66% on Aug 30, 2024IV High
113.31% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
2,649Put-Call Ratio
0.99Put Open Interest
1,318Call Open Interest
1,331Open Interest Avg (30-day)
1,642Today vs Open Interest Avg (30-day)
161.33%Option Volume
Today's Volume
18Put-Call Ratio
0Put Volume
0Call Volume
18Volume Avg (30-day)
148Today vs Volume Avg (30-day)
12.16%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 |
| Aug 15, 2025 | 9 | 0 | 0 | 935 | 1,203 | 1.29 | 355.97% | 80 |
| Sep 19, 2025 | 9 | 0 | 0 | 25 | 1 | 0.04 | 41.45% | 75 |
| Oct 17, 2025 | 0 | 0 | 0 | 199 | 97 | 0.49 | 49.52% | 85 |
| Nov 21, 2025 | 0 | 0 | 0 | 112 | 16 | 0.14 | 43.32% | 85 |
| Jan 16, 2026 | 0 | 0 | 0 | 4 | 0 | 0 | n/a | 8 |
| Feb 20, 2026 | 0 | 0 | 0 | 56 | 1 | 0.02 | 39.62% | 70 |