Prices delayed by 15 minutes
The series is stated in the current share scale after splits; dividends are not included in the price
| Date | Open | High | Low | Close | Volume, shares |
|---|---|---|---|---|---|
| September 16, 2026 | 856.86 | 937.88 | 855.18 | 919.40 | 6m |
| September 15, 2026 | 842.71 | 856.00 | 832.11 | 838.96 | 3m |
| September 14, 2026 | 860.88 | 878.99 | 833.70 | 835.03 | 5m |
| September 11, 2026 | 945.60 | 973.50 |
Based on reports through June 30, 2025
Lumentum makes optical components and lasers — the same data-centre interconnect market as Coherent.
The key products are lasers and modulators for optical data transmission plus components for telecom networks. Growth is set by the build-out of AI data centres: the more accelerators are linked into one cluster, the more optics each requires.
The company historically depended on consumer electronics — lasers for face recognition in smartphones — and that market proved unstable, being determined entirely by one handset maker's decisions. Shifting toward data centres made revenue less hostage to someone else's cycle.
Risks: customer concentration, price competition from Chinese module makers, and the ability to scale output faster than demand — in optics a missed generation means the customer designs someone else in for the whole platform. The company carries debt and pays no dividend.
Address:1001 RIDDER PARK DRIVE, SAN JOSE, CA, 95131, US
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| September 10, 2026 | 959.44 | 994.50 | 933.82 | 935.70 | 4m |
| September 09, 2026 | 980.06 | 1,027 | 978.11 | 988.98 | 5m |
| September 08, 2026 | 897.56 | 1,000 | 884.70 | 978.54 | 7m |
| September 04, 2026 | 861.39 | 885.83 | 841.04 | 881.26 | 4m |
| September 03, 2026 | 874.00 | 874.00 | 818.89 | 847.37 | 3m |
| September 02, 2026 | 867.71 | 887.46 | 848.43 | 870.58 | 3m |
| September 01, 2026 | 901.04 | 909.14 | 854.13 | 868.95 | 4m |
| August 31, 2026 | 894.58 | 918.84 | 886.84 | 914.76 | 3m |
| August 28, 2026 | 941.71 | 942.91 | 893.65 | 895.00 | 3m |
| August 27, 2026 | 958.73 | 970.32 | 918.01 | 956.14 | 4m |
| August 26, 2026 | 880.00 | 947.53 | 876.09 | 939.03 | 5m |
| August 25, 2026 | 858.10 | 887.36 | 841.10 | 885.57 | 3m |
| August 24, 2026 | 823.60 | 844.00 | 784.47 | 830.17 | 4m |
| August 21, 2026 | 898.62 | 922.99 | 855.01 | 866.71 | 4m |
| August 20, 2026 | 830.00 | 881.88 | 815.03 | 879.28 | 4m |
| August 19, 2026 | 892.20 | 893.85 | 821.03 | 827.60 | 4m |