Arm Holdings ARM
$174.62 +$7.90 (+4.74%)
Market closed · Nov 6, 8:10 pm ET · Last extended-hours $174.50 -0.07%
Open$177.24
Prev close$166.72
Day range$169.61 – $177.62
Volume6.53M
Market cap$186.84B
P/E (TTM)200.7
Dividend yield–
Average implied volatility across the listed chain right now: 109%. 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 | $175.00 | $7.90 | $8.30/$8.80 | 78 | 111 | 106% |
| 13 Nov 2026 | $172.50 | $8.82 | $9.55/$10.20 | 164 | 58 | 107% |
| 13 Nov 2026 | $177.50 | $7.03 | $7.10/$7.85 | 76 | 356 | 107% |
| 13 Nov 2026 | $170.00 | $10.87 | $10.55/$11.90 | 78 | 98 | 107% |
| 13 Nov 2026 | $180.00 | $6.25 | $6.05/$6.60 | 605 | 278 | 105% |
| 13 Nov 2026 | $167.50 | $12.20 | $11.20/$13.60 | 2 | 49 | 104% |
| 13 Nov 2026 | $182.50 | $5.17 | $5.10/$5.55 | 230 | 114 | 104% |
| 13 Nov 2026 | $165.00 | $14.60 | $14.05/$15.05 | 3 | 5 | 111% |
| 13 Nov 2026 | $185.00 | $4.15 | $4.25/$4.50 | 677 | 119 | 102% |
| 13 Nov 2026 | $162.50 | $15.26 | $14.70/$17.05 | 5 | 0 | 106% |
| 13 Nov 2026 | $187.50 | $2.95 | $3.45/$4.20 | 179 | 165 | 104% |
| 13 Nov 2026 | $160.00 | $17.67 | $17.10/$18.85 | 3 | 4 | 111% |
| 13 Nov 2026 | $190.00 | $3.05 | $2.89/$3.20 | 327 | 249 | 101% |
| 13 Nov 2026 | $157.50 | $19.30 | $19.35/$20.65 | 3 | 0 | 114% |
| 13 Nov 2026 | $192.50 | $2.30 | $2.35/$2.60 | 236 | 133 | 100% |
Puts
| Expiry | Strike | Last | Bid/Ask | Volume | Open interest | IV |
|---|---|---|---|---|---|---|
| 13 Nov 2026 | $175.00 | $9.15 | $8.50/$9.30 | 231 | 391 | 107% |
| 13 Nov 2026 | $172.50 | $7.98 | $7.35/$8.20 | 104 | 23 | 109% |
| 13 Nov 2026 | $177.50 | $10.90 | $9.85/$10.60 | 131 | 214 | 106% |
| 13 Nov 2026 | $170.00 | $6.74 | $6.45/$7.10 | 128 | 531 | 111% |
| 13 Nov 2026 | $180.00 | $11.60 | $11.10/$12.05 | 252 | 272 | 105% |
| 13 Nov 2026 | $167.50 | $6.35 | $5.55/$6.75 | 100 | 234 | 116% |
| 13 Nov 2026 | $182.50 | $13.80 | $12.75/$14.90 | 22 | 99 | 113% |
| 13 Nov 2026 | $165.00 | $4.80 | $4.80/$5.25 | 639 | 339 | 114% |
| 13 Nov 2026 | $185.00 | $15.75 | $14.15/$15.30 | 32 | 638 | 103% |
| 13 Nov 2026 | $162.50 | $4.06 | $4.05/$5.30 | 16 | 25 | 121% |
| 13 Nov 2026 | $187.50 | $16.70 | $16.00/$18.30 | 20 | 328 | 111% |
| 13 Nov 2026 | $160.00 | $3.45 | $2.95/$3.85 | 1,030 | 811 | 114% |
| 13 Nov 2026 | $190.00 | $19.65 | $17.90/$19.65 | 21 | 1,047 | 108% |
| 13 Nov 2026 | $157.50 | $3.05 | $2.91/$3.25 | 134 | 22 | 119% |
| 13 Nov 2026 | $192.50 | $21.70 | $19.80/$22.05 | 45 | 190 | 111% |
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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