Your Best Stock

S&P Global SPGI

US equityMarket cap rank #129Dividend Aristocrats
$403.75
−$2.75 (-0.68%)
Market open · Sep 24, 1:10 pm ET
After hours $407.00 +0.12%
Open$406.64
Prev close$406.50
Day range$400.61 – $409.89
Volume646.6K
Market cap$119.03B
P/E (TTM)24.6
Dividend yield0.96%

Average implied volatility across the listed chain right now: 27%. 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
25 Sep 2026 $405.00 $6.10 $6.80/$8.00 1 48 27%
25 Sep 2026 $402.50 $7.90 $8.20/$9.40 0 0 26%
25 Sep 2026 $407.50 $4.95 $5.40/$6.60 0 2 26%
25 Sep 2026 $400.00 $9.57 $10.00/$11.20 0 2 27%
25 Sep 2026 $410.00 $4.60 $4.30/$5.00 2 11 25%
25 Sep 2026 $397.50 $11.25 $12.00/$13.00 0 0 27%
25 Sep 2026 $412.50 $3.31 $3.30/$3.90 0 4 25%
25 Sep 2026 $395.00 $13.07 $11.00/$15.50 0 0 20%
25 Sep 2026 $415.00 $2.39 $2.45/$3.20 12 2 25%
25 Sep 2026 $392.50 $15.05 $13.30/$17.70 0 0 20%
25 Sep 2026 $417.50 $1.66 $1.35/$2.45 1 1 24%
25 Sep 2026 $390.00 $17.02 $14.60/$20.90 0 1 19%
25 Sep 2026 $420.00 $1.60 $1.40/$1.90 13 6 26%
25 Sep 2026 $387.50 $19.29 $16.90/$22.70 0 0 0%
25 Sep 2026 $422.50 $1.10 $0.75/$2.15 3 34 27%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
25 Sep 2026 $405.00 $4.89 $4.20/$5.00 4 28 25%
25 Sep 2026 $402.50 $4.40 $3.50/$4.00 2 10 26%
25 Sep 2026 $407.50 $6.95 $5.20/$6.50 1 11 26%
25 Sep 2026 $400.00 $2.83 $2.45/$3.10 6 80 26%
25 Sep 2026 $410.00 $8.79 $6.60/$7.50 0 25 27%
25 Sep 2026 $397.50 $2.50 $1.70/$2.55 2 7 26%
25 Sep 2026 $412.50 $10.52 $8.00/$9.40 0 16 26%
25 Sep 2026 $395.00 $2.25 $1.45/$1.90 17 95 27%
25 Sep 2026 $415.00 $12.45 $9.70/$10.60 0 46 25%
25 Sep 2026 $392.50 $2.65 $0.80/$1.60 2 365 26%
25 Sep 2026 $417.50 $14.53 $11.60/$12.90 0 1 26%
25 Sep 2026 $390.00 $1.53 $0.75/$3.10 0 48 35%
25 Sep 2026 $420.00 $15.51 $12.80/$16.80 1 14 30%
25 Sep 2026 $387.50 $1.21 $0.50/$1.80 1 27 32%
25 Sep 2026 $422.50 $18.98 $13.90/$20.50 0 0 32%

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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