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SanDisk SNDK

US equityMarket cap rank #54Data storage stock
$1,769.00
−$47.57 (-2.62%)
Market open · Sep 24, 1:10 pm ET
After hours $1,818.50 +0.11%
Open$1,785.70
Prev close$1,816.57
Day range$1,745.87 – $1,802.99
Volume5.23M
Market cap$258.90B
P/E (TTM)24.0
Dividend yield

Average implied volatility across the listed chain right now: 68%. 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 $1,770.00 $40.00 $40.00/$41.20 81 104 71%
25 Sep 2026 $1,767.50 $42.00 $41.50/$42.10 19 4 71%
25 Sep 2026 $1,772.50 $25.10 $39.50/$40.70 7 2 72%
25 Sep 2026 $1,765.00 $39.30 $41.70/$42.90 10 44 71%
25 Sep 2026 $1,775.00 $39.00 $38.90/$39.60 27 251 72%
25 Sep 2026 $1,762.50 $41.56 $42.30/$43.90 3 30 71%
25 Sep 2026 $1,777.50 $23.40 $38.50/$38.90 2 15 71%
25 Sep 2026 $1,760.00 $41.00 $43.90/$44.80 34 150 71%
25 Sep 2026 $1,780.00 $37.00 $37.70/$38.50 24 213 71%
25 Sep 2026 $1,782.50 $33.70 $37.00/$37.30 6 2 72%
25 Sep 2026 $1,755.00 $42.80 $45.50/$46.50 44 115 71%
25 Sep 2026 $1,785.00 $29.74 $36.30/$36.90 5 28 71%
25 Sep 2026 $1,750.00 $47.80 $47.50/$48.10 289 476 71%
25 Sep 2026 $1,790.00 $34.43 $34.80/$35.30 17 43 72%
25 Sep 2026 $1,745.00 $48.00 $49.50/$50.10 23 42 71%

Puts

ExpiryStrikeLastBid/AskVolumeOpen interestIV
25 Sep 2026 $1,770.00 $107.20 $103.40/$104.50 6 40 66%
25 Sep 2026 $1,767.50 $170.00 $101.10/$102.70 0 2 65%
25 Sep 2026 $1,772.50 $114.30 $104.90/$106.10 2 0 65%
25 Sep 2026 $1,765.00 $115.90 $100.00/$101.10 2 24 65%
25 Sep 2026 $1,775.00 $108.65 $106.70/$107.80 2 47 66%
25 Sep 2026 $1,762.50 $101.60 $98.30/$99.40 1 0 66%
25 Sep 2026 $1,777.50 $131.50 $108.60/$109.90 1 0 65%
25 Sep 2026 $1,760.00 $101.85 $96.60/$97.70 3 46 66%
25 Sep 2026 $1,780.00 $114.00 $110.10/$111.20 5 107 65%
25 Sep 2026 $1,782.50 $182.90 $111.60/$113.10 0 0 65%
25 Sep 2026 $1,755.00 $159.61 $93.10/$94.30 0 103 65%
25 Sep 2026 $1,785.00 $185.09 $113.40/$114.80 0 6 65%
25 Sep 2026 $1,750.00 $93.10 $90.20/$91.30 171 51 66%
25 Sep 2026 $1,790.00 $125.50 $117.50/$118.80 1 16 65%
25 Sep 2026 $1,745.00 $90.00 $87.00/$88.10 2 4 66%

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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