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CME Group CME

$269.63
−$1.17 (-0.43%)
Market open · Sep 24, 2:00 pm ET
After hours $270.80 0.00%
Open$270.80
Prev close$270.80
Day range$268.95 – $271.68
Volume538.5K
Market cap$96.95B
P/E (TTM)22.9
Dividend yield4.17%

Average implied volatility across the listed chain right now: 28%. 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 $270.00 $4.68 $7.50/$8.10 0 184 24%
25 Sep 2026 $267.50 $7.80 $8.00/$10.50 1 1 16%
25 Sep 2026 $272.50 $5.00 $5.60/$5.90 216 3 22%
25 Sep 2026 $265.00 $8.09 $10.20/$12.70 0 3 0%
25 Sep 2026 $275.00 $3.60 $4.10/$4.40 5 11 23%
25 Sep 2026 $262.50 $10.12 $12.30/$15.10 0 0 0%
25 Sep 2026 $277.50 $2.05 $2.80/$3.10 2 17 22%
25 Sep 2026 $260.00 $12.34 $14.70/$17.50 0 2 0%
25 Sep 2026 $280.00 $2.00 $1.80/$2.10 33 17 22%
25 Sep 2026 $257.50 $14.57 $17.10/$20.20 0 0 0%
25 Sep 2026 $282.50 $0.82 $1.05/$1.40 2 7 22%
25 Sep 2026 $255.00 $16.96 $19.60/$22.40 0 0 0%
25 Sep 2026 $285.00 $0.65 $0.60/$0.90 6 106 22%
25 Sep 2026 $252.50 $19.36 $22.10/$25.80 0 0 0%
25 Sep 2026 $287.50 $0.30 $0.35/$0.55 0 84 22%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
25 Sep 2026 $270.00 $1.17 $1.05/$1.25 141 47 23%
25 Sep 2026 $267.50 $0.85 $0.70/$0.90 382 5 24%
25 Sep 2026 $272.50 $3.10 $1.70/$1.90 6 3 23%
25 Sep 2026 $265.00 $1.60 $0.40/$0.80 0 263 26%
25 Sep 2026 $275.00 $2.72 $2.55/$2.90 2 31 23%
25 Sep 2026 $262.50 $1.14 $0.25/$0.55 0 4 27%
25 Sep 2026 $277.50 $5.31 $3.70/$4.20 1 0 23%
25 Sep 2026 $260.00 $0.33 $0.05/$0.40 36 38 27%
25 Sep 2026 $280.00 $9.62 $5.10/$5.90 0 4 23%
25 Sep 2026 $257.50 $0.40 $0.05/$0.15 1 5 27%
25 Sep 2026 $282.50 $11.75 $7.00/$7.70 0 0 23%
25 Sep 2026 $255.00 $0.48 $0.00/$0.85 0 166 40%
25 Sep 2026 $285.00 $14.06 $8.60/$11.30 0 2 29%
25 Sep 2026 $252.50 $0.38 $0.00/$2.45 0 1 42%
25 Sep 2026 $287.50 $16.46 $11.00/$13.60 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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