Southwest Gas Inc. (SWX)
NYSE: SWX
· Real-Time Price · USD
78.58
-0.46 (-0.58%)
At close: Sep 05, 2025, 3:59 PM
78.60
0.03%
After-hours: Sep 05, 2025, 06:11 PM EDT
SWX Option Overview
Overview for all option chains of SWX. As of September 07, 2025, SWX options have an IV of 68.3% and an IV rank of 119.04%. The volume is 0 contracts, which is n/a of average daily volume of 3 contracts. The volume put-call ratio is 0, indicating a bullish sentiment in the market.
Implied Volatility
Implied Volatility (30d)
68.3%IV Rank
119.04%Historical Volatility
18.34%IV Low
35.65% on Feb 21, 2025IV High
63.08% on Sep 04, 2025Open Interest (OI)
Today's Open Interest
514Put-Call Ratio
0.03Put Open Interest
14Call Open Interest
500Open Interest Avg (30-day)
506Today vs Open Interest Avg (30-day)
101.58%Option Volume
Today's Volume
0Put-Call Ratio
0Put Volume
0Call Volume
0Volume Avg (30-day)
3Today vs Volume Avg (30-day)
n/aOption 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 |
| Sep 19, 2025 | 0 | 0 | 0 | 21 | 2 | 0.1 | 68.3% | 75 |
| Oct 17, 2025 | 0 | 0 | 0 | 413 | 10 | 0.02 | 55.98% | 70 |
| Jan 16, 2026 | 0 | 0 | 0 | 56 | 1 | 0.02 | 40.16% | 35 |
| Apr 17, 2026 | 0 | 0 | 0 | 10 | 1 | 0.1 | 32.44% | 80 |