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McKesson MCK

US equityMarket cap rank #155Medical Distribution
$877.59
−$2.91 (-0.33%)
Market open · Sep 24, 2:00 pm ET
After hours $880.50 0.00%
Open$888.91
Prev close$880.50
Day range$877.06 – $896.60
Volume252.9K
Market cap$102.32B
P/E (TTM)23.4
Dividend yield0.37%

Average implied volatility across the listed chain right now: 25%. 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 $880.00 $22.64 $22.90/$26.50 12 65 24%
16 Oct 2026 $870.00 $30.43 $27.30/$32.20 13 6 24%
16 Oct 2026 $890.00 $21.85 $17.40/$21.80 0 21 24%
16 Oct 2026 $860.00 $38.59 $34.30/$39.50 0 2 25%
16 Oct 2026 $900.00 $12.10 $11.40/$17.00 18 12 22%
16 Oct 2026 $850.00 $45.34 $40.30/$45.80 0 5 25%
16 Oct 2026 $910.00 $9.25 $9.10/$12.70 4 15 22%
16 Oct 2026 $840.00 $52.09 $47.30/$53.50 0 2 25%
16 Oct 2026 $920.00 $8.40 $7.80/$10.00 5 79 23%
16 Oct 2026 $830.00 $59.57 $55.10/$61.00 0 2 25%
16 Oct 2026 $930.00 $4.00 $4.00/$8.40 19 51 22%
16 Oct 2026 $820.00 $60.15 $64.00/$71.10 3 0 27%
16 Oct 2026 $940.00 $4.70 $0.00/$5.30 1 10 23%
16 Oct 2026 $810.00 $76.81 $72.30/$78.30 0 0 26%
16 Oct 2026 $950.00 $2.70 $0.00/$4.10 1 59 21%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
16 Oct 2026 $880.00 $23.57 $21.10/$25.20 0 14 25%
16 Oct 2026 $870.00 $18.30 $15.80/$19.90 12 21 24%
16 Oct 2026 $890.00 $28.89 $26.30/$32.10 0 6 26%
16 Oct 2026 $860.00 $15.53 $11.70/$19.30 0 30 26%
16 Oct 2026 $900.00 $38.38 $31.40/$37.80 4 21 25%
16 Oct 2026 $850.00 $14.85 $9.30/$12.40 5 26 25%
16 Oct 2026 $910.00 $49.90 $38.00/$42.30 1 4 24%
16 Oct 2026 $840.00 $9.10 $7.80/$11.70 2 18 27%
16 Oct 2026 $920.00 $47.39 $44.90/$49.40 0 2 23%
16 Oct 2026 $830.00 $9.61 $3.80/$7.70 4 21 24%
16 Oct 2026 $930.00 $54.37 $52.70/$58.00 0 1 24%
16 Oct 2026 $820.00 $10.40 $2.35/$5.90 2 38 25%
16 Oct 2026 $940.00 $62.57 $59.90/$66.80 0 0 23%
16 Oct 2026 $810.00 $5.50 $0.00/$5.60 1 12 30%
16 Oct 2026 $950.00 $72.16 $68.30/$75.10 0 0 22%

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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