ARM261218P00250000
ARM Dec 18 2026 250.00 Put
optionOPRA
EODOct 21, 2026
39.50USD3Vol2,186OI
ARM261218P00250000 Historical Prices
| Date (EDT) | Open | High | Low | Close | Change | Volume | Open Interest | Change Since |
|---|---|---|---|---|---|---|---|---|
| 2026-10-21 | 40.62 | 40.62 | 39.50 | 39.50 | -4.358% | 3 | 2,185 | 0.000% |
| 2026-10-20 | 43.00 | 43.00 | 37.77 | 41.30 | +16.076% | 66 | 2,163 | -4.358% |
| 2026-10-19 | 33.77 | 36.00 | 33.77 | 35.58 | -5.120% | 30 | 2,175 | +11.017% |
| 2026-10-16 | 32.72 | 38.00 | 31.65 | 37.50 | +26.050% | 135 | 2,089 | +5.333% |
| 2026-10-15 | 36.58 | 36.98 | 29.75 | 29.75 | -6.211% | 60 | 2,093 | +32.773% |
| 2026-10-14 | 27.98 | 32.32 | 27.98 | 31.72 | +34.692% | 77 | 2,109 | +24.527% |
| 2026-10-13 | 27.95 | 27.95 | 22.75 | 23.55 | +1.073% | 350 | 1,891 | +67.728% |
| 2026-10-12 | 20.50 | 24.00 | 20.50 | 23.30 | +18.274% | 238 | 1,804 | +69.528% |
| 2026-10-09 | 19.55 | 20.42 | 19.55 | 19.70 | +5.348% | 16 | 1,798 | +100.508% |
| 2026-10-08 | 16.10 | 20.00 | 15.52 | 18.70 | +44.961% | 180 | 1,763 | +111.230% |
| 2026-10-07 | 14.53 | 14.53 | 12.40 | 12.90 | +7.054% | 110 | 1,722 | +206.202% |
| 2026-10-06 | 11.45 | 12.05 | 11.20 | 12.05 | -3.291% | 59 | 1,731 | +227.801% |
| 2026-10-05 | 13.45 | 13.45 | 12.46 | 12.46 | -3.411% | 66 | 1,728 | +217.014% |
| 2026-10-02 | 13.50 | 13.50 | 12.20 | 12.90 | -21.818% | 15 | 1,729 | +206.202% |
| 2026-10-01 | 17.49 | 18.15 | 16.50 | 16.50 | -10.811% | 20 | 1,744 | +139.394% |
| 2026-09-30 | 18.05 | 20.00 | 18.02 | 18.50 | +5.714% | 168 | 1,617 | +113.514% |
| 2026-09-29 | 18.37 | 19.23 | 16.50 | 17.50 | -10.714% | 27 | 1,624 | +125.714% |
| 2026-09-28 | 18.00 | 20.60 | 18.00 | 19.60 | +40.906% | 216 | 1,482 | +101.531% |
| 2026-09-25 | 12.99 | 13.91 | 12.99 | 13.91 | -12.516% | 81 | 1,459 | +183.968% |
| 2026-09-24 | 13.84 | 15.90 | 13.00 | 15.90 | +34.177% | 81 | 1,426 | +148.428% |
| 2026-09-23 | 12.30 | 12.30 | 11.54 | 11.85 | -3.737% | 88 | 1,334 | +233.333% |
| 2026-09-22 | 14.00 | 14.00 | 12.03 | 12.31 | -11.883% | 406 | 1,468 | +220.877% |
| 2026-09-21 | 19.55 | 19.55 | 13.97 | 13.97 | -41.548% | 26 | 1,465 | +182.749% |
| 2026-09-18 | 26.55 | 26.55 | 23.90 | 23.90 | -13.874% | 18 | 1,458 | +65.272% |
| 2026-09-17 | 28.63 | 29.17 | 27.75 | 27.75 | -19.448% | 27 | 1,456 | +42.342% |
| 2026-09-16 | 33.63 | 34.45 | 33.63 | 34.45 | -1.712% | 2 | 1,455 | +14.659% |
| 2026-09-15 | 33.00 | 35.05 | 33.00 | 35.05 | -4.235% | 207 | 1,625 | +12.696% |
| 2026-09-14 | 35.45 | 38.40 | 35.45 | 36.60 | +31.797% | 11 | 1,617 | +7.923% |
| 2026-09-11 | 31.25 | 31.35 | 27.54 | 27.77 | -11.841% | 32 | 1,623 | +42.240% |
| 2026-09-10 | 32.76 | 33.00 | 31.20 | 31.50 | +7.509% | 19 | 1,634 | +25.397% |
| 2026-09-09 | 28.00 | 30.18 | 28.00 | 29.30 | -5.514% | 33 | 1,637 | +34.812% |
| 2026-09-08 | 31.23 | 31.23 | 31.01 | 31.01 | -8.390% | 5 | 1,642 | +27.378% |
| 2026-09-04 | 32.90 | 34.10 | 31.45 | 33.85 | -8.514% | 139 | 1,556 | +16.691% |
| 2026-09-03 | 43.30 | 43.30 | 37.00 | 37.00 | -12.010% | 27 | 1,568 | +6.757% |
| 2026-09-02 | 41.35 | 42.05 | 40.50 | 42.05 | +4.472% | 3 | 1,569 | -6.064% |
| 2026-09-01 | 43.15 | 43.15 | 40.25 | 40.25 | +3.205% | 223 | 1,780 | -1.863% |
| 2026-08-31 | 38.22 | 39.00 | 38.22 | 39.00 | -1.266% | 28 | 1,780 | +1.282% |
| 2026-08-28 | 36.65 | 39.50 | 36.55 | 39.50 | +8.071% | 18 | 1,765 | 0.000% |
| 2026-08-27 | 33.86 | 37.00 | 33.86 | 36.55 | -1.747% | 48 | 1,763 | +8.071% |
| 2026-08-26 | 38.10 | 38.30 | 37.20 | 37.20 | -14.088% | 19 | 1,770 | +6.183% |
| 2026-08-24 | 47.50 | 47.50 | 43.30 | 43.30 | +8.196% | 25 | 1,770 | -8.776% |
| 2026-08-20 | 41.50 | 41.50 | 39.80 | 40.02 | +0.050% | 5 | 1,769 | -1.299% |
| 2026-08-19 | 36.81 | 42.25 | 36.81 | 40.00 | +4.167% | 206 | 1,572 | -1.250% |
| 2026-08-18 | 38.78 | 40.00 | 38.00 | 38.40 | +27.532% | 352 | 1,272 | +2.865% |
| 2026-08-17 | 30.48 | 30.62 | 29.98 | 30.11 | -1.279% | 21 | 1,274 | +31.186% |
| 2026-08-14 | 32.10 | 32.10 | 30.50 | 30.50 | -1.929% | 118 | 1,266 | +29.508% |
| 2026-08-13 | 31.20 | 32.15 | 30.50 | 31.10 | -8.664% | 10 | 1,268 | +27.010% |
| 2026-08-12 | 33.33 | 34.30 | 33.33 | 34.05 | -5.153% | 45 | 1,237 | +16.006% |
| 2026-08-11 | 35.44 | 35.90 | 35.44 | 35.90 | -3.753% | 2 | 1,239 | +10.028% |
| 2026-08-10 | 37.95 | 37.95 | 36.80 | 37.30 | +7.959% | 85 | 1,234 | +5.898% |
| 2026-08-07 | 32.40 | 36.82 | 32.40 | 34.55 | -4.028% | 23 | 1,230 | +14.327% |
| 2026-08-06 | 35.68 | 36.20 | 35.40 | 36.00 | -14.286% | 10 | 1,228 | +9.722% |
| 2026-08-05 | 40.20 | 42.00 | 40.20 | 42.00 | +4.817% | 2 | 1,226 | -5.952% |
| 2026-08-04 | 43.90 | 43.90 | 40.07 | 40.07 | -24.325% | 19 | 1,227 | -1.423% |
| 2026-08-03 | 54.05 | 54.05 | 52.95 | 52.95 | +3.458% | 22 | 1,211 | -25.401% |
| 2026-07-31 | 45.00 | 51.18 | 45.00 | 51.18 | -3.688% | 101 | 1,112 | -22.821% |
| 2026-07-30 | 54.49 | 54.49 | 52.25 | 53.14 | -12.238% | 159 | 1,193 | -25.668% |
| 2026-07-29 | 60.55 | 60.55 | 60.55 | 60.55 | +10.493% | 1 | 1,194 | -34.765% |
| 2026-07-28 | 53.45 | 58.05 | 53.45 | 54.80 | +11.837% | 20 | 1,209 | -27.920% |
| 2026-07-27 | 51.50 | 53.50 | 49.00 | 49.00 | -6.844% | 17 | 1,200 | -19.388% |
| 2026-07-24 | 48.96 | 52.60 | 48.96 | 52.60 | +8.903% | 155 | 1,046 | -24.905% |
| 2026-07-23 | 50.00 | 50.00 | 48.30 | 48.30 | +3.537% | 79 | 986 | -18.219% |
| 2026-07-22 | 46.70 | 47.40 | 46.65 | 46.65 | +2.867% | 53 | 996 | -15.327% |
| 2026-07-21 | 48.00 | 48.00 | 45.30 | 45.35 | -10.109% | 200 | 850 | -12.900% |
| 2026-07-20 | 50.27 | 50.45 | 50.27 | 50.45 | -6.418% | 2 | 851 | -21.705% |
| 2026-07-17 | 58.71 | 59.06 | 53.91 | 53.91 | -3.698% | 22 | 830 | -26.730% |
| 2026-07-16 | 55.23 | 57.09 | 55.23 | 55.98 | +6.305% | 11 | 822 | -29.439% |
| 2026-07-15 | 50.85 | 52.66 | 50.65 | 52.66 | +8.577% | 15 | 817 | -24.991% |
| 2026-07-14 | 47.50 | 49.50 | 47.26 | 48.50 | +10.227% | 21 | 806 | -18.557% |
| 2026-07-13 | 44.86 | 44.86 | 42.75 | 44.00 | +14.434% | 83 | 733 | -10.227% |
| 2026-07-10 | 38.45 | 38.45 | 38.45 | 38.45 | +1.184% | 88 | 707 | +2.731% |
| 2026-07-09 | 40.15 | 40.15 | 37.64 | 38.00 | -17.175% | 67 | 727 | +3.947% |
| 2026-07-08 | 46.64 | 46.76 | 43.93 | 45.88 | +1.729% | 9 | 725 | -13.906% |
| 2026-07-07 | 43.40 | 45.65 | 43.40 | 45.10 | +19.312% | 17 | 708 | -12.417% |
| 2026-07-06 | 37.50 | 38.00 | 37.50 | 37.80 | -10.638% | 63 | 676 | +4.497% |
| 2026-07-02 | 35.95 | 42.30 | 35.95 | 42.30 | +19.661% | 15 | 664 | -6.619% |
| 2026-07-01 | 35.00 | 35.55 | 35.00 | 35.35 | +6.798% | 5 | 665 | +11.740% |
| 2026-06-30 | 33.00 | 33.60 | 33.00 | 33.10 | -5.886% | 5 | 668 | +19.335% |
| 2026-06-29 | 35.17 | 35.17 | 35.17 | 35.17 | -9.821% | 1 | 667 | +12.312% |
| 2026-06-26 | 38.04 | 39.00 | 38.04 | 39.00 | +12.392% | 52 | 655 | +1.282% |
| 2026-06-25 | 34.65 | 34.70 | 34.65 | 34.70 | -2.309% | 2 | 655 | +13.833% |
| 2026-06-24 | 34.20 | 35.52 | 34.20 | 35.52 | +4.471% | 2 | 654 | +11.205% |
| 2026-06-23 | 34.11 | 34.20 | 34.00 | 34.00 | +15.098% | 4 | 651 | +16.176% |
| 2026-06-22 | 28.75 | 29.54 | 28.45 | 29.54 | +5.500% | 28 | 636 | +33.717% |
| 2026-06-18 | 25.77 | 28.00 | 25.77 | 28.00 | +0.503% | 2 | 637 | +41.071% |
| 2026-06-17 | 28.55 | 28.55 | 26.75 | 27.86 | -4.589% | 5 | 638 | +41.780% |
| 2026-06-16 | 27.30 | 29.25 | 26.95 | 29.20 | +2.098% | 106 | 537 | +35.274% |
| 2026-06-15 | 32.80 | 32.80 | 28.40 | 28.60 | -14.627% | 5 | 536 | +38.112% |
| 2026-06-12 | 34.80 | 34.80 | 33.50 | 33.50 | -18.293% | 2 | 536 | +17.910% |
| 2026-06-11 | 41.00 | 41.00 | 41.00 | 41.00 | -8.072% | 1 | 535 | -3.659% |
| 2026-06-10 | 43.53 | 44.60 | 43.25 | 44.60 | +6.571% | 8 | 533 | -11.435% |
| 2026-06-09 | 37.05 | 47.23 | 37.05 | 41.85 | +13.108% | 23 | 532 | -5.615% |
| 2026-06-08 | 34.15 | 37.05 | 34.15 | 37.00 | -3.671% | 77 | 501 | +6.757% |
| 2026-06-05 | 32.00 | 38.59 | 32.00 | 38.41 | +24.586% | 174 | 354 | +2.838% |
| 2026-06-04 | 33.20 | 33.55 | 30.83 | 30.83 | +5.438% | 60 | 362 | +28.122% |
| 2026-06-03 | 31.60 | 31.61 | 29.24 | 29.24 | -4.100% | 5 | 359 | +35.089% |
| 2026-06-02 | 30.55 | 30.55 | 29.15 | 30.49 | -2.743% | 274 | 141 | +29.551% |
| 2026-06-01 | 32.50 | 32.80 | 30.80 | 31.35 | -11.690% | 49 | 116 | +25.997% |
| 2026-05-29 | 36.81 | 36.81 | 35.50 | 35.50 | -4.390% | 2 | 116 | +11.268% |
| 2026-05-28 | 38.86 | 38.86 | 37.00 | 37.13 | -13.146% | 30 | 133 | +6.383% |
| 2026-05-27 | 42.20 | 43.35 | 41.75 | 42.75 | +3.939% | 16 | 118 | -7.602% |
| 2026-05-26 | 42.52 | 43.05 | 40.30 | 41.13 | -0.892% | 48 | 97 | -3.963% |
| 2026-05-22 | 41.50 | 41.50 | 41.50 | 41.50 | -5.251% | 1 | 96 | -4.819% |
| 2026-05-21 | 47.34 | 47.34 | 43.80 | 43.80 | -18.131% | 5 | 98 | -9.817% |
| 2026-05-20 | 52.98 | 53.50 | 52.50 | 53.50 | -17.604% | 9 | 96 | -26.168% |
| 2026-05-19 | 64.93 | 64.93 | 64.93 | 64.93 | -8.005% | 1 | 95 | -39.165% |
| 2026-05-12 | 70.58 | 70.58 | 70.58 | 70.58 | +7.970% | 2 | 93 | -44.035% |
| 2026-05-08 | 65.37 | 65.37 | 65.37 | 65.37 | -0.046% | 4 | 89 | -39.575% |
| 2026-05-07 | 61.35 | 65.40 | 61.35 | 65.40 | +11.642% | 87 | 14 | -39.602% |
| 2026-05-06 | 58.58 | 58.58 | 58.58 | 58.58 | -15.469% | 1 | 14 | -32.571% |
| 2026-05-01 | 69.30 | 69.30 | 69.30 | 69.30 | +12.977% | 2 | 14 | -43.001% |
| 2026-04-24 | 61.00 | 61.34 | 61.00 | 61.34 | -19.869% | 2 | 14 | -35.605% |
| 2026-04-22 | 77.80 | 78.10 | 76.55 | 76.55 | -36.113% | 25 | 12 | -48.400% |
| 2025-12-12 | 119.82 | 119.82 | 119.82 | 119.82 | +8.112% | 3 | 44 | -67.034% |
| 2025-12-05 | 109.99 | 110.83 | 109.99 | 110.83 | -0.859% | 6 | 45 | -64.360% |
| 2025-12-04 | 111.90 | 111.90 | 111.79 | 111.79 | -1.202% | 6 | 45 | -64.666% |
| 2025-11-17 | 112.20 | 113.15 | 112.20 | 113.15 | -1.540% | 6 | 47 | -65.091% |
| 2025-11-13 | 114.92 | 114.92 | 114.92 | 114.92 | +22.975% | 3 | 46 | -65.628% |
| 2025-10-31 | 94.17 | 94.17 | 93.45 | 93.45 | -3.848% | 2 | 45 | -57.731% |
| 2025-06-27 | 97.45 | 97.45 | 97.19 | 97.19 | -20.642% | 2 | 46 | -59.358% |
| 2025-05-21 | 121.89 | 122.47 | 121.89 | 122.47 | +7.761% | 20 | 46 | -67.747% |
| 2025-01-16 | 115.55 | 115.55 | 113.65 | 113.65 | -1.260% | 6 | 59 | -65.244% |
| 2025-01-15 | 114.95 | 115.25 | 114.95 | 115.10 | -9.944% | 3 | 53 | -65.682% |
| 2024-09-19 | 127.81 | 127.81 | 127.81 | 127.81 | +4.335% | 1 | 50 | -69.095% |
| 2024-07-25 | 123.80 | 123.85 | 122.50 | 122.50 | +6.987% | 3 | 50 | -67.755% |
| 2024-07-17 | 113.80 | 114.50 | 113.80 | 114.50 | +3.564% | 2 | 52 | -65.502% |
| 2024-07-11 | 109.15 | 110.85 | 108.60 | 110.56 | +4.302% | 50 | 52 | -64.273% |
| 2024-07-10 | 105.90 | 106.00 | 105.90 | 106.00 | -1.487% | 2 | 35 | -62.736% |
| 2024-07-08 | 107.30 | 107.80 | 106.50 | 107.60 | -1.708% | 10 | 34 | -63.290% |
| 2024-07-05 | 108.50 | 110.20 | 108.35 | 109.47 | -3.235% | 56 | 28 | -63.917% |
| 2024-07-03 | 112.15 | 113.25 | 112.05 | 113.13 | 0.000% | 28 | 0 | -65.084% |