Southwest Gas Inc. (SWX)
NYSE: SWX
· Real-Time Price · USD
78.00
0.02 (0.03%)
At close: Sep 26, 2025, 3:59 PM
77.85
-0.19%
After-hours: Sep 26, 2025, 07:40 PM EDT
SWX Option Overview
Overview for all option chains of SWX. As of September 28, 2025, SWX options have an IV of 49.65% and an IV rank of 65.15%. The volume is 9 contracts, which is 150% of average daily volume of 6 contracts. The volume put-call ratio is 0.12, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
49.65%IV Rank
65.15%Historical Volatility
19.5%IV Low
35.65% on Feb 21, 2025IV High
57.14% on Sep 24, 2025Open Interest (OI)
Today's Open Interest
548Put-Call Ratio
0.03Put Open Interest
17Call Open Interest
531Open Interest Avg (30-day)
508Today vs Open Interest Avg (30-day)
107.87%Option Volume
Today's Volume
9Put-Call Ratio
0.12Put Volume
1Call Volume
8Volume Avg (30-day)
6Today vs Volume Avg (30-day)
150%Option Chain Statistics
This table provides a comprehensive overview of all SWX 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 | 7 | 0 | 0 | 414 | 13 | 0.03 | 49.65% | 75 |
| Nov 21, 2025 | 1 | 1 | 1 | 0 | 0 | 0 | 46.85% | 40 |
| Jan 16, 2026 | 0 | 0 | 0 | 56 | 1 | 0.02 | 34.96% | 35 |
| Apr 17, 2026 | 0 | 0 | 0 | 61 | 3 | 0.05 | 27.23% | 80 |