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Stocks AJG

Arthur J. Gallagher AJG

US equityMarket cap rank #278Insurance Brokers
$227.77
−$1.87 (-0.81%)
Market open · Sep 24, 1:10 pm ET
After hours $229.64 0.00%
Open$231.85
Prev close$229.64
Day range$226.84 – $233.19
Volume590.8K
Market cap$58.38B
P/E (TTM)37.8
Dividend yield1.19%

Average implied volatility across the listed chain right now: 41%. 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 $230.00 $16.02 $12.70/$15.70 0 76 32%
16 Oct 2026 $220.00 $24.25 $20.90/$23.70 0 66 35%
16 Oct 2026 $240.00 $9.20 $7.90/$9.00 36 102 32%
16 Oct 2026 $210.00 $33.30 $29.80/$32.40 0 13 37%
16 Oct 2026 $250.00 $5.25 $3.70/$5.00 0 296 31%
16 Oct 2026 $200.00 $42.78 $39.50/$42.30 0 66 45%
16 Oct 2026 $260.00 $2.75 $1.85/$2.90 0 278 33%
16 Oct 2026 $195.00 $47.62 $44.50/$47.20 0 9 49%
16 Oct 2026 $190.00 $52.50 $49.40/$52.00 0 0 52%
16 Oct 2026 $270.00 $1.35 $0.85/$2.00 0 678 36%
16 Oct 2026 $185.00 $57.41 $53.70/$57.00 0 0 50%
16 Oct 2026 $180.00 $62.35 $58.50/$61.90 0 0 50%
16 Oct 2026 $280.00 $0.50 $0.25/$0.80 68 337 34%
16 Oct 2026 $175.00 $67.29 $63.00/$67.00 0 0 37%
16 Oct 2026 $170.00 $72.25 $68.10/$71.80 0 0 0%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $230.00 $3.99 $3.70/$4.60 9 176 32%
16 Oct 2026 $220.00 $1.90 $1.30/$2.40 0 167 33%
16 Oct 2026 $240.00 $7.90 $7.20/$8.50 5 234 30%
16 Oct 2026 $210.00 $0.98 $0.70/$1.40 0 169 37%
16 Oct 2026 $250.00 $12.93 $13.10/$15.70 0 121 32%
16 Oct 2026 $200.00 $0.48 $0.00/$2.60 0 107 40%
16 Oct 2026 $260.00 $20.50 $20.60/$23.10 0 41 31%
16 Oct 2026 $195.00 $0.34 $0.00/$2.45 0 24 42%
16 Oct 2026 $190.00 $0.23 $0.00/$2.35 0 56 43%
16 Oct 2026 $270.00 $29.23 $29.90/$32.00 0 111 32%
16 Oct 2026 $185.00 $0.16 $0.00/$0.95 0 97 45%
16 Oct 2026 $180.00 $0.11 $0.00/$1.95 0 7 46%
16 Oct 2026 $280.00 $38.79 $39.20/$41.30 0 13 0%
16 Oct 2026 $175.00 $0.07 $0.00/$2.15 0 397 48%
16 Oct 2026 $170.00 $0.05 $0.00/$2.15 0 135 49%

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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