Silicon Motion Technology Corporation (SIMO)
NASDAQ: SIMO · Real-Time Price · USD
284.48
+19.23 (7.25%)
At close: Sep 11, 2026, 4:00 PM EDT
264.00
-20.48 (-7.20%)
Pre-market: Sep 14, 2026, 8:17 AM EDT
Silicon Motion Technology Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 11, 2026 | 272.22 | 291.16 | 267.86 | 284.48 | 284.48 | 7.25% | 768,952 |
| Sep 10, 2026 | 269.59 | 274.01 | 261.57 | 265.25 | 265.25 | -4.48% | 570,281 |
| Sep 9, 2026 | 273.50 | 280.00 | 271.04 | 277.70 | 277.70 | 2.09% | 704,123 |
| Sep 8, 2026 | 261.54 | 272.54 | 252.71 | 272.02 | 272.02 | 6.17% | 1,206,423 |
| Sep 4, 2026 | 239.23 | 258.00 | 234.56 | 256.21 | 256.21 | 8.70% | 650,543 |
| Sep 3, 2026 | 239.06 | 240.00 | 227.16 | 235.70 | 235.70 | -2.81% | 885,350 |
| Sep 2, 2026 | 235.71 | 242.87 | 233.00 | 242.51 | 242.51 | 2.17% | 602,356 |
| Sep 1, 2026 | 240.09 | 243.77 | 230.02 | 237.35 | 237.35 | -3.84% | 673,894 |
| Aug 31, 2026 | 247.05 | 250.92 | 238.74 | 246.84 | 246.84 | 0.42% | 577,410 |
| Aug 28, 2026 | 252.24 | 255.38 | 244.04 | 245.81 | 245.81 | -3.63% | 404,339 |
| Aug 27, 2026 | 272.00 | 272.00 | 249.00 | 255.08 | 255.08 | -3.05% | 695,015 |
| Aug 26, 2026 | 241.68 | 263.69 | 241.16 | 263.11 | 263.11 | 8.80% | 753,856 |
| Aug 25, 2026 | 243.59 | 251.49 | 240.11 | 241.83 | 241.83 | -0.56% | 994,604 |
| Aug 24, 2026 | 250.00 | 257.50 | 238.54 | 243.18 | 243.18 | -5.88% | 844,381 |
| Aug 21, 2026 | 254.71 | 259.99 | 247.23 | 258.36 | 258.36 | 3.49% | 759,269 |
| Aug 20, 2026 | 244.48 | 253.56 | 242.83 | 249.65 | 249.65 | 2.82% | 563,607 |
| Aug 19, 2026 | 249.01 | 252.94 | 239.41 | 242.80 | 242.80 | -3.54% | 1,113,920 |
| Aug 18, 2026 | 261.60 | 264.89 | 248.11 | 251.72 | 251.72 | -7.69% | 1,337,694 |
| Aug 17, 2026 | 270.38 | 275.00 | 266.00 | 272.70 | 272.70 | 1.41% | 1,209,819 |
| Aug 14, 2026 | 255.24 | 269.50 | 252.46 | 268.90 | 268.90 | 7.94% | 1,113,811 |
| Aug 13, 2026 | 239.32 | 254.50 | 239.20 | 249.12 | 249.12 | 3.24% | 1,011,156 |
| Aug 12, 2026 | 230.59 | 248.50 | 230.00 | 241.31 | 241.31 | 7.73% | 1,825,661 |
| Aug 11, 2026 | 229.00 | 233.23 | 222.37 | 224.00 | 224.00 | -2.87% | 2,830,709 |
| Aug 10, 2026 | 237.65 | 246.29 | 227.89 | 230.61 | 230.61 | -9.96% | 2,914,834 |
| Aug 7, 2026 | 268.94 | 274.99 | 248.36 | 256.12 | 256.12 | -4.23% | 619,267 |
| Aug 6, 2026 | 244.63 | 270.76 | 238.51 | 267.43 | 267.43 | 8.64% | 1,271,571 |
| Aug 5, 2026 | 260.39 | 268.17 | 245.89 | 246.65 | 246.15 | -8.13% | 994,415 |
| Aug 4, 2026 | 266.00 | 272.00 | 258.30 | 268.49 | 267.95 | 6.75% | 956,718 |
| Aug 3, 2026 | 242.89 | 258.00 | 235.11 | 251.52 | 251.01 | -0.82% | 1,137,734 |
| Jul 31, 2026 | 270.00 | 273.94 | 250.00 | 253.60 | 253.09 | -0.59% | 1,532,128 |
| Jul 30, 2026 | 259.99 | 285.00 | 235.11 | 255.10 | 254.59 | 21.66% | 2,603,170 |
| Jul 29, 2026 | 224.64 | 229.57 | 204.37 | 209.68 | 209.26 | -5.30% | 1,662,891 |
| Jul 28, 2026 | 226.00 | 231.99 | 213.08 | 221.42 | 220.97 | -9.42% | 1,533,421 |
| Jul 27, 2026 | 274.00 | 274.00 | 236.05 | 244.45 | 243.96 | -9.76% | 1,427,099 |
| Jul 24, 2026 | 277.33 | 283.66 | 265.10 | 270.90 | 270.35 | -6.29% | 666,658 |
| Jul 23, 2026 | 276.00 | 294.34 | 276.00 | 289.08 | 288.50 | 2.63% | 887,207 |
| Jul 22, 2026 | 274.64 | 291.41 | 267.78 | 281.68 | 281.11 | 1.26% | 466,481 |
| Jul 21, 2026 | 269.95 | 278.69 | 261.00 | 278.17 | 277.61 | 10.12% | 493,898 |
| Jul 20, 2026 | 269.78 | 271.09 | 251.01 | 252.61 | 252.10 | -4.43% | 889,667 |
| Jul 17, 2026 | 257.02 | 271.00 | 245.00 | 264.33 | 263.79 | -2.98% | 688,199 |
| Jul 16, 2026 | 280.00 | 288.26 | 264.50 | 272.45 | 271.90 | -7.14% | 979,297 |
| Jul 15, 2026 | 310.43 | 315.00 | 282.22 | 293.40 | 292.81 | -4.87% | 534,084 |
| Jul 14, 2026 | 317.50 | 317.50 | 304.11 | 308.41 | 307.79 | 2.97% | 566,867 |
| Jul 13, 2026 | 313.05 | 317.37 | 296.80 | 299.51 | 298.91 | -8.22% | 527,215 |
| Jul 10, 2026 | 315.36 | 329.00 | 311.80 | 326.35 | 325.69 | 0.64% | 530,793 |
| Jul 9, 2026 | 324.21 | 337.00 | 320.00 | 324.26 | 323.61 | 3.50% | 745,668 |
| Jul 8, 2026 | 293.96 | 315.01 | 292.01 | 313.30 | 312.67 | 6.24% | 914,847 |
| Jul 7, 2026 | 298.73 | 303.98 | 284.40 | 294.90 | 294.31 | -7.51% | 718,064 |
| Jul 6, 2026 | 313.00 | 338.94 | 310.00 | 318.86 | 318.22 | 6.04% | 655,360 |
| Jul 2, 2026 | 318.52 | 323.22 | 286.09 | 300.71 | 300.10 | -5.13% | 753,908 |