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California Water Service Group CWT

US equityMarket cap rank #2538
$45.84 −$0.12 (-0.26%)
Pre-market · Oct 6, 7:20 am ET · After hours $45.84 0.00%
Open$46.33
Prev close$45.96
Day range$45.17 – $46.33
Volume701.9K
Market cap$2.83B
P/E (TTM)20.6
Dividend yield2.77%

Average implied volatility across the listed chain right now: 65%. 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 $45.00 $1.42 $0.00/$4.90 0 0 30%
16 Oct 2026 $50.00 $0.15 $0.00/$3.80 0 30 40%
16 Oct 2026 $40.00 $6.02 $3.50/$8.30 0 0 38%
16 Oct 2026 $55.00 $0.00 $0.00/$4.90 0 0 36%
16 Oct 2026 $35.00 $11.01 $8.70/$13.50 0 0 108%
16 Oct 2026 $60.00 $0.00 $0.00/$4.90 0 0 43%
16 Oct 2026 $30.00 $16.01 $13.50/$18.40 0 0 128%
16 Oct 2026 $65.00 $0.00 $0.00/$4.90 0 0 55%
16 Oct 2026 $25.00 $21.00 $18.50/$23.40 0 0 178%
16 Oct 2026 $70.00 $0.00 $0.00/$4.90 0 0 65%
16 Oct 2026 $75.00 $0.00 $0.00/$4.90 0 0 75%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $45.00 $0.39 $0.00/$4.90 0 3 25%
16 Oct 2026 $50.00 $4.14 $2.45/$6.50 0 0 52%
16 Oct 2026 $40.00 $0.00 $0.00/$0.25 0 1 27%
16 Oct 2026 $55.00 $9.04 $7.00/$11.50 0 1 67%
16 Oct 2026 $35.00 $0.00 $0.00/$4.90 0 0 44%
16 Oct 2026 $60.00 $14.04 $11.70/$16.50 0 0 0%
16 Oct 2026 $30.00 $0.00 $0.00/$4.90 0 0 67%
16 Oct 2026 $65.00 $19.04 $16.70/$21.50 0 0 0%
16 Oct 2026 $25.00 $0.00 $0.00/$4.90 0 0 95%
16 Oct 2026 $70.00 $24.04 $21.70/$26.50 0 0 0%
16 Oct 2026 $75.00 $29.04 $26.70/$31.50 0 0 0%

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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