Western Digital WDC
$263.78 −$3.85 (-1.44%)
Market closed · Nov 6, 8:10 pm ET · Last extended-hours $265.95 +0.82%
Open$287.00
Prev close$267.63
Day range$258.61 – $288.00
Volume12.13M
Market cap$98.74B
P/E (TTM)10.2
Dividend yield0.21%
Average implied volatility across the listed chain right now: 117%. 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.
Open interest by strike
Nearest listed expiry only. Calls above the line, puts below — clusters mark strikes where the market has built up the most open positions.
Implied volatility by strike
The “volatility smile”: strikes far from the current price often price in richer implied volatility than at-the-money strikes.
Calls
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $265.00 | $15.00 | $13.15/$15.00 | 178 | 13 | 114% |
| 13 Nov 2026 | $262.50 | $15.60 | $14.35/$16.80 | 73 | 0 | 117% |
| 13 Nov 2026 | $267.50 | $13.85 | $12.35/$14.15 | 16 | 5 | 117% |
| 13 Nov 2026 | $260.00 | $17.80 | $15.95/$18.00 | 43 | 0 | 118% |
| 13 Nov 2026 | $270.00 | $12.25 | $11.60/$12.90 | 140 | 79 | 117% |
| 13 Nov 2026 | $257.50 | $19.70 | $16.95/$20.75 | 15 | 0 | 122% |
| 13 Nov 2026 | $272.50 | $11.05 | $10.45/$13.20 | 107 | 3 | 121% |
| 13 Nov 2026 | $255.00 | $20.95 | $18.95/$21.50 | 9 | 1 | 122% |
| 13 Nov 2026 | $275.00 | $10.10 | $9.40/$10.50 | 72 | 18 | 114% |
| 13 Nov 2026 | $252.50 | $21.80 | $17.85/$22.95 | 30 | 0 | 112% |
| 13 Nov 2026 | $277.50 | $9.35 | $8.40/$9.75 | 35 | 12 | 114% |
| 13 Nov 2026 | $250.00 | $23.60 | $19.90/$24.55 | 70 | 2 | 114% |
| 13 Nov 2026 | $280.00 | $8.17 | $7.85/$8.50 | 263 | 95 | 113% |
| 13 Nov 2026 | $247.50 | $24.75 | $23.95/$25.50 | 290 | 0 | 122% |
| 13 Nov 2026 | $282.50 | $7.20 | $6.95/$7.65 | 15 | 31 | 112% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $265.00 | $15.39 | $14.75/$15.95 | 160 | 33 | 116% |
| 13 Nov 2026 | $262.50 | $14.40 | $13.45/$14.90 | 52 | 0 | 117% |
| 13 Nov 2026 | $267.50 | $16.65 | $16.20/$20.55 | 136 | 15 | 129% |
| 13 Nov 2026 | $260.00 | $12.70 | $11.45/$13.85 | 116 | 186 | 115% |
| 13 Nov 2026 | $270.00 | $18.22 | $17.35/$18.65 | 263 | 341 | 115% |
| 13 Nov 2026 | $257.50 | $13.45 | $11.05/$12.40 | 25 | 0 | 117% |
| 13 Nov 2026 | $272.50 | $19.54 | $18.65/$22.10 | 32 | 20 | 121% |
| 13 Nov 2026 | $255.00 | $10.75 | $10.00/$11.55 | 53 | 80 | 118% |
| 13 Nov 2026 | $275.00 | $20.96 | $20.25/$21.55 | 16 | 31 | 113% |
| 13 Nov 2026 | $252.50 | $9.75 | $9.15/$10.55 | 64 | 0 | 119% |
| 13 Nov 2026 | $277.50 | $23.52 | $22.00/$24.05 | 6 | 108 | 117% |
| 13 Nov 2026 | $250.00 | $9.11 | $8.60/$9.45 | 201 | 102 | 121% |
| 13 Nov 2026 | $280.00 | $23.55 | $22.80/$24.85 | 274 | 210 | 110% |
| 13 Nov 2026 | $247.50 | $8.15 | $7.70/$8.90 | 60 | 0 | 122% |
| 13 Nov 2026 | $282.50 | $26.70 | $24.20/$26.95 | 1 | 287 | 109% |
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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