The highest closing price for Semtech (SMTC) last month was $185, on September 18. It was up 39.7% for the month. The latest price is $177.12.
| DATE | OPEN | HIGH | LOW | CLOSE | VOLUME |
|---|---|---|---|---|---|
September 30 2026 | $181.69 | $183.18 | $175.29 | $178.35 | 2,321,200 |
September 29 2026 | $178.74 | $184.45 | $177.03 | $180.10 | 2,741,400 |
September 28 2026 | $179.00 | $180.99 | $167.11 | $174.78 | 2,741,500 |
September 25 2026 | $177.70 | $185.00 | $176.41 | $182.30 | 2,382,800 |
September 24 2026 | $164.04 | $174.71 | $162.56 | $174.50 | 2,783,000 |
September 23 2026 | $174.50 | $174.50 | $165.01 | $169.33 | 3,810,100 |
September 22 2026 | $174.12 | $178.50 | $172.22 | $174.33 | 3,774,900 |
September 21 2026 | $190.30 | $190.64 | $176.05 | $177.37 | 4,661,100 |
September 18 2026 | $182.33 | $185.46 | $179.10 | $185.00 | 6,066,500 |
September 17 2026 | $170.85 | $182.13 | $170.00 | $178.19 | 4,523,900 |
September 16 2026 | $153.81 | $170.52 | $153.10 | $167.55 | 5,021,000 |
September 15 2026 | $149.65 | $153.80 | $147.88 | $150.91 | 1,981,800 |
September 14 2026 | $155.31 | $157.99 | $146.91 | $147.05 | 3,174,100 |
September 11 2026 | $162.89 | $170.43 | $160.10 | $167.24 | 2,630,700 |
September 10 2026 | $159.91 | $161.61 | $154.40 | $159.13 | 2,128,900 |
September 09 2026 | $164.09 | $169.00 | $162.36 | $163.94 | 3,444,900 |
September 08 2026 | $150.00 | $165.37 | $149.33 | $162.62 | 4,860,500 |
September 04 2026 | $138.71 | $148.03 | $136.24 | $147.89 | 2,799,400 |
September 03 2026 | $133.10 | $135.89 | $126.73 | $135.40 | 1,840,700 |
September 02 2026 | $133.00 | $134.68 | $128.17 | $133.85 | 1,725,200 |
September 01 2026 | $127.63 | $134.74 | $124.83 | $132.27 | 2,440,800 |
Daily pricing data for Semtech dates back to 3/17/1980, and may be incomplete.