Southwest Gas Inc. (SWX)
NYSE: SWX
· Real-Time Price · USD
79.45
-0.48 (-0.60%)
At close: Aug 14, 2025, 3:59 PM
80.00
0.69%
Pre-market: Aug 15, 2025, 04:05 AM EDT
SWX Option Overview
Overview for all option chains of SWX. As of August 15, 2025, SWX options have an IV of 388.42% and an IV rank of 516.18%. The volume is 3 contracts, which is 16.67% of average daily volume of 18 contracts. The volume put-call ratio is 0.5, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
388.42%IV Rank
516.18%Historical Volatility
15.83%IV Low
35.65% on Feb 21, 2025IV High
103.99% on Aug 14, 2025Open Interest (OI)
Today's Open Interest
501Put-Call Ratio
0.03Put Open Interest
13Call Open Interest
488Open Interest Avg (30-day)
497Today vs Open Interest Avg (30-day)
100.8%Option Volume
Today's Volume
3Put-Call Ratio
0.5Put Volume
1Call Volume
2Volume Avg (30-day)
18Today vs Volume Avg (30-day)
16.67%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 |
| Aug 15, 2025 | 0 | 0 | 0 | 8 | 2 | 0.25 | 388.42% | 75 |
| Sep 19, 2025 | 0 | 0 | 0 | 1 | 1 | 1 | 60.37% | 70 |
| Oct 17, 2025 | 2 | 0 | 0 | 423 | 9 | 0.02 | 51.4% | 70 |
| Jan 16, 2026 | 0 | 0 | 0 | 56 | 1 | 0.02 | 34.23% | 35 |
| Apr 17, 2026 | 0 | 1 | 0 | 0 | 0 | 0 | 30.22% | 40 |