Arm (ARM) Options Chain
NASDAQ: ARMTechnologySemiconductorsUSD
At close: Oct 9, 4:00 PM ET · Delayed 15 min
Pre-market: 263.01 -1.23%
Expiration date
- Expiration
- Nov 20, 2026
- Days to expiration
- 39
- Share price
- $266.28
- Put/call ratio (OI)
- 0.34
- Put/call ratio (volume)
- 1.63
- Expected move
- ±$0.6789
- Open interest (C / P)
- 123 / 42
ARM options summary
The ARM options chain for the November 20, 2026 expiration lists 78 call and 75 put contracts, with 39 days until expiration. Open interest stands at 123 calls and 42 puts, a put/call ratio of 0.34, which is tilted bullish, with calls outnumbering puts. At-the-money implied volatility near the $270.00 strike is 0.8%, which implies the market expects a move of about ±$0.6789 (0.3%) in Arm stock by expiration.
The most open interest sits at the $110.00 call (71 contracts) and the $540.00 put (22 contracts).
Summary generated from market data by MetaCap's automated system. Methodology
ARM options chain · November 20, 2026
| Calls | Puts | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
| Last | Bid | Ask | Strike | Bid | Ask | Last | |||||
| 254.00 | 0.00 | 0.00 | 55.00 | 0.00 | 0.00 | 0.06 | |||||
| 225.03 | 0.00 | 0.00 | 60.00 | 0.00 | 0.00 | 0.08 | |||||
| 168.00 | 281.20 | 285.45 | 65.00 | 0.00 | 0.00 | 0.14 | |||||
| 172.00 | 180.50 | 185.40 | 70.00 | 0.00 | 0.00 | 0.12 | |||||
| 189.88 | 0.00 | 0.00 | 75.00 | 0.00 | 0.00 | 0.14 | |||||
| 125.80 | 266.80 | 271.25 | 80.00 | 0.00 | 0.00 | 0.02 | |||||
| 46.27 | 45.70 | 48.45 | 85.00 | 0.00 | 0.00 | 0.06 | |||||
| 175.05 | 0.00 | 0.00 | 90.00 | 0.00 | 0.00 | 0.22 | |||||
| 170.12 | 0.00 | 0.00 | 95.00 | 0.00 | 0.00 | 0.20 | |||||
| 341.50 | 186.60 | 191.30 | 97.50 | 0.00 | 0.00 | 0.02 | |||||
| 191.00 | 0.00 | 0.00 | 100.00 | 0.00 | 0.00 | 0.30 | |||||
| 233.44 | 133.55 | 136.50 | 105.00 | 0.00 | 0.00 | 0.11 | |||||
| 337.72 | 175.20 | 179.90 | 110.00 | 0.00 | 0.00 | 0.41 | |||||
| 183.71 | 0.00 | 0.00 | 115.00 | 0.00 | 0.00 | 0.10 | |||||
| 166.73 | 0.00 | 0.00 | 120.00 | 0.00 | 0.00 | 0.02 | |||||
| 145.54 | 0.00 | 0.00 | 125.00 | 0.00 | 0.00 | 0.03 | |||||
| 156.30 | 0.00 | 0.00 | 130.00 | 0.00 | 0.00 | 0.11 | |||||
| 197.27 | 0.00 | 0.00 | 135.00 | 0.00 | 0.00 | 0.30 | |||||
| 141.74 | 0.00 | 0.00 | 140.00 | 0.00 | 0.00 | 0.11 | |||||
| 141.38 | 0.00 | 0.00 | 145.00 | 0.00 | 0.00 | 0.13 | |||||
| 132.35 | 0.00 | 0.00 | 150.00 | 0.00 | 0.00 | 0.17 | |||||
| 118.34 | 0.00 | 0.00 | 155.00 | 0.00 | 0.00 | 0.30 | |||||
| 114.13 | 0.00 | 0.00 | 160.00 | 0.00 | 0.00 | 0.35 | |||||
| 103.00 | 0.00 | 0.00 | 165.00 | 0.00 | 0.00 | 0.46 | |||||
| 134.01 | 0.00 | 0.00 | 170.00 | 0.00 | 0.00 | 0.45 | |||||
| 101.00 | 0.00 | 0.00 | 175.00 | 0.00 | 0.00 | 0.76 | |||||
| 88.25 | 0.00 | 0.00 | 180.00 | 0.00 | 0.00 | 0.93 | |||||
| 83.92 | 0.00 | 0.00 | 185.00 | 0.00 | 0.00 | 1.44 | |||||
| 124.89 | 0.00 | 0.00 | 190.00 | 0.00 | 0.00 | 1.55 | |||||
| 77.17 | 0.00 | 0.00 | 195.00 | 0.00 | 0.00 | 1.97 | |||||
| 85.90 | 0.00 | 0.00 | 200.00 | 0.00 | 0.00 | 2.58 | |||||
| 95.60 | 0.00 | 0.00 | 210.00 | 0.00 | 0.00 | 3.99 | |||||
| 59.40 | 0.00 | 0.00 | 220.00 | 0.00 | 0.00 | 5.80 | |||||
| 59.00 | 0.00 | 0.00 | 230.00 | 0.00 | 0.00 | 8.50 | |||||
| 45.68 | 0.00 | 0.00 | 240.00 | 0.00 | 0.00 | 11.30 | |||||
| 33.75 | 0.00 | 0.00 | 250.00 | 0.00 | 0.00 | 15.53 | |||||
| 28.72 | 0.00 | 0.00 | 260.00 | 0.00 | 0.00 | 20.27 | |||||
| 23.10 | 0.00 | 0.00 | 270.00 | 0.00 | 0.00 | 25.35 | |||||
| 19.50 | 0.00 | 0.00 | 280.00 | 0.00 | 0.00 | 31.05 | |||||
| 16.20 | 0.00 | 0.00 | 290.00 | 0.00 | 0.00 | 37.25 | |||||
| 13.25 | 0.00 | 0.00 | 300.00 | 0.00 | 0.00 | 44.52 | |||||
| 10.98 | 0.00 | 0.00 | 310.00 | 0.00 | 0.00 | 52.36 | |||||
| 8.90 | 0.00 | 0.00 | 320.00 | 0.00 | 0.00 | 58.22 | |||||
| 7.60 | 0.00 | 0.00 | 330.00 | 0.00 | 0.00 | 58.55 | |||||
| 6.23 | 0.00 | 0.00 | 340.00 | 0.00 | 0.00 | 72.95 | |||||
| 5.15 | 0.00 | 0.00 | 350.00 | 0.00 | 0.00 | 60.25 | |||||
| 4.60 | 0.00 | 0.00 | 360.00 | 0.00 | 0.00 | 84.29 | |||||
| 3.57 | 0.00 | 0.00 | 370.00 | 0.00 | 0.00 | 76.20 | |||||
| 3.30 | 0.00 | 0.00 | 380.00 | 0.00 | 0.00 | 115.20 | |||||
| 2.60 | 0.00 | 0.00 | 390.00 | 0.00 | 0.00 | 125.87 | |||||
| 2.25 | 0.00 | 0.00 | 400.00 | 0.00 | 0.00 | 119.98 | |||||
| 2.15 | 0.00 | 0.00 | 410.00 | 0.00 | 0.00 | 143.05 | |||||
| 1.74 | 0.00 | 0.00 | 420.00 | 0.00 | 0.00 | 134.05 | |||||
| 1.71 | 0.00 | 0.00 | 430.00 | 0.00 | 0.00 | 143.40 | |||||
| 1.30 | 0.00 | 0.00 | 440.00 | 0.00 | 0.00 | 148.80 | |||||
| 1.13 | 0.00 | 0.00 | 450.00 | 0.00 | 0.00 | 145.35 | |||||
| 1.57 | 0.00 | 0.00 | 460.00 | 0.00 | 0.00 | 177.00 | |||||
| 0.92 | 0.00 | 0.00 | 470.00 | 0.00 | 0.00 | 203.53 | |||||
| 0.76 | 0.00 | 0.00 | 480.00 | 210.20 | 214.75 | 136.00 | |||||
| 1.20 | 0.00 | 0.00 | 490.00 | 219.20 | 223.70 | 148.60 | |||||
| 1.00 | 0.00 | 0.00 | 500.00 | 0.00 | 0.00 | 235.00 | |||||
| 0.86 | 0.00 | 0.00 | 510.00 | — | — | — | |||||
| 0.66 | 0.00 | 0.00 | 520.00 | 279.20 | 283.15 | 220.20 | |||||
| 0.20 | 0.00 | 0.00 | 530.00 | 262.00 | 264.65 | 183.75 | |||||
| 0.52 | 0.00 | 0.00 | 540.00 | 265.15 | 269.45 | 184.80 | |||||
| 0.43 | 0.00 | 0.00 | 550.00 | 0.00 | 0.00 | 274.45 | |||||
| 0.35 | 0.00 | 0.00 | 560.00 | 0.00 | 0.00 | 290.05 | |||||
| 0.56 | 0.00 | 0.00 | 570.00 | — | — | — | |||||
| 0.46 | 0.00 | 0.00 | 580.00 | 0.00 | 0.00 | 249.70 | |||||
| 0.33 | 0.00 | 0.00 | 590.00 | 335.50 | 340.35 | 345.80 | |||||
| 0.38 | 0.00 | 0.00 | 600.00 | 345.50 | 350.35 | 355.75 | |||||
| 0.83 | 0.00 | 0.00 | 610.00 | 355.75 | 360.40 | 336.85 | |||||
| 0.30 | 0.00 | 0.00 | 620.00 | 365.65 | 370.50 | 341.85 | |||||
| 0.64 | 0.00 | 0.00 | 630.00 | 0.00 | 0.00 | 335.55 | |||||
| 0.44 | 0.00 | 0.00 | 640.00 | 0.00 | 0.00 | 319.10 | |||||
| 0.26 | 0.00 | 0.00 | 650.00 | — | — | — | |||||
| 0.41 | 0.00 | 0.00 | 660.00 | 0.00 | 0.00 | 339.10 | |||||
| 0.18 | 0.00 | 0.00 | 670.00 | 0.00 | 0.00 | 352.40 | |||||
In-the-money callsIn-the-money puts. IV = implied volatility, OI = open interest (contracts). Each contract covers 100 shares. Quotes delayed at least 15 minutes.
Frequently asked questions
What is the ARM put/call ratio?
For the November 20, 2026 expiration, the ARM put/call ratio based on open interest is 0.34 (42 puts vs 123 calls), and 1.63 based on today's volume. A ratio above 1 means more puts than calls.
What is ARM's implied volatility?
At-the-money implied volatility for ARM options expiring November 20, 2026 is about 0.8%, an annualized estimate of how much the market expects Arm stock to move.
How many ARM option expiration dates are there?
ARM has 19 listed expiration dates, from Oct 16, 2026 to Jan 19, 2029.
What does "in the money" mean?
A call is in the money when the strike price is below the current share price; a put is in the money when the strike is above it. In-the-money contracts have intrinsic value and are shaded in the table.