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Southwest Gas Holdings SWX

US equityMarket cap rank #1911
$82.79 +$0.10 (+0.12%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $82.79 0.00%
Open$82.73
Prev close$82.69
Day range$82.16 – $83.45
Volume846.0K
Market cap$6.00B
P/E (TTM)11.0
Dividend yield3.03%

Average implied volatility across the listed chain right now: 86%. Implied volatility measures how big a price swing the options market is pricing in — there is no fixed “normal” level, it varies a lot by stock.

Calls

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $85.00 $0.50 $0.20/$0.70 0 40 21%
16 Oct 2026 $80.00 $5.12 $1.05/$5.40 0 1 23%
16 Oct 2026 $90.00 $0.02 $0.00/$4.50 0 3 23%
16 Oct 2026 $75.00 $9.73 $6.10/$9.50 0 1 0%
16 Oct 2026 $95.00 $0.00 $0.00/$1.60 0 12 23%
16 Oct 2026 $70.00 $14.34 $11.00/$15.40 0 0 70%
16 Oct 2026 $100.00 $0.00 $0.00/$4.90 0 11 29%
16 Oct 2026 $65.00 $18.96 $16.00/$20.40 0 0 93%
16 Oct 2026 $105.00 $0.00 $0.00/$4.90 0 34 36%
16 Oct 2026 $60.00 $23.57 $21.00/$25.30 0 0 114%
16 Oct 2026 $110.00 $0.00 $0.00/$4.90 0 0 43%
16 Oct 2026 $55.00 $28.19 $26.00/$30.30 0 0 140%
16 Oct 2026 $115.00 $0.00 $0.00/$1.15 0 0 49%
16 Oct 2026 $50.00 $32.91 $31.00/$35.30 0 0 168%
16 Oct 2026 $120.00 $0.00 $0.00/$1.35 0 0 55%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $85.00 $2.73 $1.75/$3.90 0 23 27%
16 Oct 2026 $80.00 $2.34 $0.00/$4.90 0 0 64%
16 Oct 2026 $90.00 $7.31 $5.10/$8.90 0 0 0%
16 Oct 2026 $75.00 $1.96 $0.00/$2.85 0 20 91%
16 Oct 2026 $95.00 $12.31 $10.00/$14.50 0 0 45%
16 Oct 2026 $70.00 $1.58 $0.00/$4.80 0 0 113%
16 Oct 2026 $100.00 $17.31 $15.00/$19.50 0 0 58%
16 Oct 2026 $65.00 $1.20 $0.00/$4.80 0 0 131%
16 Oct 2026 $105.00 $22.31 $20.00/$24.50 0 0 71%
16 Oct 2026 $60.00 $0.82 $0.00/$4.80 0 0 145%
16 Oct 2026 $110.00 $27.31 $25.00/$29.50 0 0 82%
16 Oct 2026 $55.00 $0.44 $0.00/$4.80 0 0 152%
16 Oct 2026 $115.00 $32.31 $30.00/$34.50 0 0 93%
16 Oct 2026 $50.00 $0.17 $0.00/$4.90 0 0 151%
16 Oct 2026 $120.00 $37.31 $35.00/$39.50 0 0 103%

Open interest = contracts currently outstanding (not yet closed out). Higher open interest generally means a strike/expiry is more actively traded and easier to get in and out of.

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