{"twin":"closelook.index-twin/1","id":"rubin","cl_id":"cl:index:rubin","name":"Rubin Build-Out 100","description":"The AI data-centre build-out index — 130 constituents across 24 sub-sectors and 8 layers, EW/CW/MW.","page":"https://closelook.net/indices/rubin/","data_as_of":"2026-10-30","updated_at":"2026-10-31T01:03:42.993Z","generated_at":"2026-11-02T03:35:52.322Z","base":{"date":"2022-10-03","value":1000,"currency":"USD"},"headline":{"code":"CL-RUBIN-EW","name":"Rubin Build-Out EW (quarterly, tradable)","value":1713.44,"members":130,"change_1d_pct":-6.07,"change_1w_pct":0.57,"change_1m_pct":-18.89,"change_ytd_pct":66.69,"change_since_base_pct":71.34},"variants":[{"code":"CL-RUBIN-EW","name":"Rubin Build-Out EW (quarterly, tradable)","value":1713.44,"members":130,"change_1d_pct":-6.07,"change_1w_pct":0.57,"change_1m_pct":-18.89,"change_ytd_pct":66.69,"change_since_base_pct":71.34},{"code":"CL-RUBIN-CW","name":"Rubin Build-Out CW (quarterly, tradable)","value":1553.56,"members":126,"change_1d_pct":-6.43,"change_1w_pct":-1.49,"change_1m_pct":-15.59,"change_ytd_pct":50.66,"change_since_base_pct":55.36},{"code":"CL-RUBIN-MW","name":"Rubin Build-Out MW (drift, semi-annual)","value":1734.46,"members":126,"change_1d_pct":-5.98,"change_1w_pct":0.42,"change_1m_pct":-18.47,"change_ytd_pct":68.74,"change_since_base_pct":73.45},{"code":"CL-RUBIN-AM","name":"Rubin Build-Out AM (top-60% momentum, monthly)","value":1689.68,"members":78,"change_1d_pct":-6.94,"change_1w_pct":0.52,"change_1m_pct":-20.48,"change_ytd_pct":64.71,"change_since_base_pct":68.97}],"sub_indices":[{"code":"CL-L1-EW","name":"Design EW","value":1562.35,"members":8,"change_1d_pct":-6.3,"change_ytd_pct":53.7},{"code":"CL-L1-CW","name":"Design Cap-Weight","value":1630.55,"members":8,"change_1d_pct":-5.84,"change_ytd_pct":60.41},{"code":"CL-L1-MW","name":"Design MW","value":1630.55,"members":8,"change_1d_pct":-5.84,"change_ytd_pct":60.41},{"code":"CL-L2-EW","name":"Fabrication EW","value":1439.15,"members":18,"change_1d_pct":-6.36,"change_ytd_pct":39.05},{"code":"CL-L2-CW","name":"Fabrication Cap-Weight","value":1434.42,"members":18,"change_1d_pct":-6.83,"change_ytd_pct":37.89},{"code":"CL-L2-MW","name":"Fabrication MW","value":1456.6,"members":18,"change_1d_pct":-6.23,"change_ytd_pct":40.74},{"code":"CL-L3-EW","name":"Assembly & Test EW","value":1873.5,"members":28,"change_1d_pct":-6.5,"change_ytd_pct":79.6},{"code":"CL-L3-CW","name":"Assembly & Test Cap-Weight","value":2096.4,"members":28,"change_1d_pct":-6.47,"change_ytd_pct":100.68},{"code":"CL-L3-MW","name":"Assembly & Test MW","value":1941.63,"members":28,"change_1d_pct":-6.39,"change_ytd_pct":86.13},{"code":"CL-EDA-EW","name":"EDA & Chip IP EW","value":1366.66,"members":3,"change_1d_pct":-5.94,"change_ytd_pct":35.27},{"code":"CL-EDA-CW","name":"EDA & Chip IP Cap-Weight","value":1481.58,"members":3,"change_1d_pct":-5.81,"change_ytd_pct":46.65},{"code":"CL-EDA-MW","name":"EDA & Chip IP MW","value":1481.58,"members":3,"change_1d_pct":-5.81,"change_ytd_pct":46.65},{"code":"CL-ARCHITECTS-EW","name":"Architects (Chip Design) EW","value":1668.89,"members":5,"change_1d_pct":-6.52,"change_ytd_pct":63.59},{"code":"CL-ARCHITECTS-CW","name":"Architects (Chip Design) Cap-Weight","value":1710.23,"members":5,"change_1d_pct":-5.85,"change_ytd_pct":67.64},{"code":"CL-ARCHITECTS-MW","name":"Architects (Chip Design) MW","value":1710.23,"members":5,"change_1d_pct":-5.85,"change_ytd_pct":67.64},{"code":"CL-FOUNDRY-EW","name":"Foundry & Integration EW","value":1455.37,"members":5,"change_1d_pct":-8.39,"change_ytd_pct":39.65},{"code":"CL-FOUNDRY-CW","name":"Foundry & Integration Cap-Weight","value":1464.72,"members":5,"change_1d_pct":-8.66,"change_ytd_pct":40.55},{"code":"CL-FOUNDRY-MW","name":"Foundry & Integration MW","value":1464.72,"members":5,"change_1d_pct":-8.66,"change_ytd_pct":40.55},{"code":"CL-LITHO-EW","name":"Lithography EW","value":1214.88,"members":4,"change_1d_pct":-4.32,"change_ytd_pct":17.75},{"code":"CL-LITHO-CW","name":"Lithography Cap-Weight","value":1272.14,"members":4,"change_1d_pct":-3.85,"change_ytd_pct":23.3},{"code":"CL-LITHO-MW","name":"Lithography MW","value":1272.14,"members":4,"change_1d_pct":-3.85,"change_ytd_pct":23.3},{"code":"CL-DEPETCH-EW","name":"Deposition, Etch & Process EW","value":1515.02,"members":9,"change_1d_pct":-6.12,"change_ytd_pct":46.74},{"code":"CL-DEPETCH-CW","name":"Deposition, Etch & Process Cap-Weight","value":1506.83,"members":9,"change_1d_pct":-6.11,"change_ytd_pct":45.95},{"code":"CL-DEPETCH-MW","name":"Deposition, Etch & Process MW","value":1506.83,"members":9,"change_1d_pct":-6.11,"change_ytd_pct":45.95},{"code":"CL-ROBOTICS-EW","name":"Robotics & Automation EW","value":1045.34,"members":3,"change_1d_pct":-3.01,"change_ytd_pct":4.11},{"code":"CL-ROBOTICS-CW","name":"Robotics & Automation Cap-Weight","value":1045.28,"members":3,"change_1d_pct":-2.93,"change_ytd_pct":4.1},{"code":"CL-ROBOTICS-MW","name":"Robotics & Automation MW","value":1045.28,"members":3,"change_1d_pct":-2.93,"change_ytd_pct":4.1},{"code":"CL-VISION-EW","name":"Machine Vision, Sensing & Edge EW","value":1610.05,"members":4,"change_1d_pct":-4.4,"change_ytd_pct":58.24},{"code":"CL-VISION-CW","name":"Machine Vision, Sensing & Edge Cap-Weight","value":1621.86,"members":4,"change_1d_pct":-4.19,"change_ytd_pct":59.4},{"code":"CL-VISION-MW","name":"Machine Vision, Sensing & Edge MW","value":1621.86,"members":4,"change_1d_pct":-4.19,"change_ytd_pct":59.4},{"code":"CL-SUBSTRATE-EW","name":"Substrates & Interposers EW","value":2499.56,"members":6,"change_1d_pct":-10.72,"change_ytd_pct":146.22},{"code":"CL-SUBSTRATE-CW","name":"Substrates & Interposers Cap-Weight","value":2498.92,"members":6,"change_1d_pct":-10.93,"change_ytd_pct":146.16},{"code":"CL-SUBSTRATE-MW","name":"Substrates & Interposers MW","value":2498.92,"members":6,"change_1d_pct":-10.93,"change_ytd_pct":146.16},{"code":"CL-POWERSEMI-EW","name":"Power Semiconductors EW","value":1504.01,"members":8,"change_1d_pct":-4.73,"change_ytd_pct":47.35},{"code":"CL-POWERSEMI-CW","name":"Power Semiconductors Cap-Weight","value":1530.84,"members":8,"change_1d_pct":-4.38,"change_ytd_pct":49.98},{"code":"CL-POWERSEMI-MW","name":"Power Semiconductors MW","value":1530.84,"members":8,"change_1d_pct":-4.38,"change_ytd_pct":49.98},{"code":"CL-GRID-EW","name":"Grid & Power Infrastructure EW","value":1168.14,"members":3,"change_1d_pct":-6.61,"change_ytd_pct":14.57},{"code":"CL-GRID-CW","name":"Grid & Power Infrastructure Cap-Weight","value":1176.67,"members":3,"change_1d_pct":-6.56,"change_ytd_pct":15.41},{"code":"CL-GRID-MW","name":"Grid & Power Infrastructure MW","value":1176.67,"members":3,"change_1d_pct":-6.56,"change_ytd_pct":15.41},{"code":"CL-THERMAL-EW","name":"Thermal Management EW","value":1411.17,"members":9,"change_1d_pct":-5.19,"change_ytd_pct":40.84},{"code":"CL-THERMAL-CW","name":"Thermal Management Cap-Weight","value":1408.88,"members":9,"change_1d_pct":-4.82,"change_ytd_pct":40.61},{"code":"CL-THERMAL-MW","name":"Thermal Management MW","value":1408.88,"members":9,"change_1d_pct":-4.82,"change_ytd_pct":40.61},{"code":"CL-INTERCON-EW","name":"High-Speed Interconnects EW","value":1902.79,"members":12,"change_1d_pct":-8.37,"change_ytd_pct":85},{"code":"CL-INTERCON-CW","name":"High-Speed Interconnects Cap-Weight","value":1593.16,"members":12,"change_1d_pct":-8.11,"change_ytd_pct":55.18},{"code":"CL-INTERCON-MW","name":"High-Speed Interconnects MW","value":1667.14,"members":12,"change_1d_pct":-8.21,"change_ytd_pct":62.09},{"code":"CL-MATERIALS-EW","name":"Advanced Materials EW","value":2032.6,"members":8,"change_1d_pct":-6.11,"change_ytd_pct":100.02},{"code":"CL-MATERIALS-CW","name":"Advanced Materials Cap-Weight","value":2009.2,"members":8,"change_1d_pct":-6.31,"change_ytd_pct":97.72},{"code":"CL-MATERIALS-MW","name":"Advanced Materials MW","value":2009.2,"members":8,"change_1d_pct":-6.31,"change_ytd_pct":97.72},{"code":"CL-PHOTOMASK-EW","name":"Photomasks & Mask Infrastructure EW","value":871.36,"members":2,"change_1d_pct":-4.99,"change_ytd_pct":-12.49},{"code":"CL-PHOTOMASK-CW","name":"Photomasks & Mask Infrastructure Cap-Weight","value":860.23,"members":2,"change_1d_pct":-4.99,"change_ytd_pct":-13.61},{"code":"CL-PHOTOMASK-MW","name":"Photomasks & Mask Infrastructure MW","value":860.23,"members":2,"change_1d_pct":-4.99,"change_ytd_pct":-13.61},{"code":"CL-FABSUB-EW","name":"Fab Subsystems & Process Infra EW","value":1270.48,"members":4,"change_1d_pct":-7.03,"change_ytd_pct":22.85},{"code":"CL-FABSUB-CW","name":"Fab Subsystems & Process Infra Cap-Weight","value":1273.89,"members":4,"change_1d_pct":-6.79,"change_ytd_pct":23.18},{"code":"CL-FABSUB-MW","name":"Fab Subsystems & Process Infra MW","value":1273.89,"members":4,"change_1d_pct":-6.79,"change_ytd_pct":23.18},{"code":"CL-GASCHEM-EW","name":"Gases, Chemicals & Consumables EW","value":1317.59,"members":4,"change_1d_pct":-0.13,"change_ytd_pct":31.72},{"code":"CL-GASCHEM-CW","name":"Gases, Chemicals & Consumables Cap-Weight","value":1338.59,"members":4,"change_1d_pct":0.1,"change_ytd_pct":33.81},{"code":"CL-GASCHEM-MW","name":"Gases, Chemicals & Consumables MW","value":1338.59,"members":4,"change_1d_pct":0.1,"change_ytd_pct":33.81},{"code":"CL-SYSTEMS-EW","name":"AI Factory Systems EW","value":1992.62,"members":5,"change_1d_pct":-5.1,"change_ytd_pct":95.39},{"code":"CL-SYSTEMS-CW","name":"AI Factory Systems Cap-Weight","value":1996.34,"members":5,"change_1d_pct":-5.66,"change_ytd_pct":95.75},{"code":"CL-SYSTEMS-MW","name":"AI Factory Systems MW","value":1996.34,"members":5,"change_1d_pct":-5.66,"change_ytd_pct":95.75},{"code":"CL-DCPOWER-EW","name":"DC Power & Electrical EW","value":1586.29,"members":4,"change_1d_pct":-5.89,"change_ytd_pct":48.38},{"code":"CL-DCPOWER-CW","name":"DC Power & Electrical Cap-Weight","value":1597.95,"members":4,"change_1d_pct":-5.88,"change_ytd_pct":49.47},{"code":"CL-DCPOWER-MW","name":"DC Power & Electrical MW","value":1597.95,"members":4,"change_1d_pct":-5.88,"change_ytd_pct":49.47},{"code":"CL-DCCONSTR-EW","name":"DC Construction EW","value":1303.4,"members":4,"change_1d_pct":-4.29,"change_ytd_pct":25.41},{"code":"CL-DCCONSTR-CW","name":"DC Construction Cap-Weight","value":1331.82,"members":4,"change_1d_pct":-3.97,"change_ytd_pct":28.14},{"code":"CL-DCCONSTR-MW","name":"DC Construction MW","value":1331.82,"members":4,"change_1d_pct":-3.97,"change_ytd_pct":28.14},{"code":"CL-US-EW","name":"US Constituents EW","value":1607.9,"members":64,"change_1d_pct":-6.78,"change_ytd_pct":55.52},{"code":"CL-US-CW","name":"US Constituents Cap-Weight","value":1537.56,"members":64,"change_1d_pct":-7.7,"change_ytd_pct":49.77},{"code":"CL-US-MW","name":"US Constituents MW","value":1625.15,"members":64,"change_1d_pct":-6.68,"change_ytd_pct":57.19},{"code":"CL-JP-EW","name":"Japan Constituents EW","value":1588.11,"members":25,"change_1d_pct":-4.58,"change_ytd_pct":54.17},{"code":"CL-JP-CW","name":"Japan Constituents Cap-Weight","value":1611.57,"members":25,"change_1d_pct":-4.02,"change_ytd_pct":55.71},{"code":"CL-JP-MW","name":"Japan Constituents MW","value":1647.3,"members":25,"change_1d_pct":-4.48,"change_ytd_pct":59.92},{"code":"CL-EU-EW","name":"Europe Constituents EW","value":1746.73,"members":22,"change_1d_pct":-5.93,"change_ytd_pct":68.41},{"code":"CL-EU-CW","name":"Europe Constituents Cap-Weight","value":1425.96,"members":22,"change_1d_pct":-4.95,"change_ytd_pct":38.54},{"code":"CL-EU-MW","name":"Europe Constituents MW","value":1788.31,"members":22,"change_1d_pct":-5.9,"change_ytd_pct":72.42},{"code":"CL-APXJ-EW","name":"Asia-Pacific ex-Japan EW","value":2129.09,"members":16,"change_1d_pct":-5.34,"change_ytd_pct":107.3},{"code":"CL-APXJ-CW","name":"Asia-Pacific ex-Japan Cap-Weight","value":1870.63,"members":16,"change_1d_pct":-5.29,"change_ytd_pct":80.79},{"code":"CL-APXJ-MW","name":"Asia-Pacific ex-Japan MW","value":2137.37,"members":16,"change_1d_pct":-5.04,"change_ytd_pct":108.11},{"code":"CL-L4-EW","name":"Infrastructure EW","value":1707.02,"members":26,"change_1d_pct":-6.41,"change_ytd_pct":68.54},{"code":"CL-L4-CW","name":"Infrastructure Cap-Weight","value":1467.94,"members":26,"change_1d_pct":-7.14,"change_ytd_pct":43.55},{"code":"CL-L4-MW","name":"Infrastructure MW","value":1747.71,"members":26,"change_1d_pct":-6.19,"change_ytd_pct":72.56},{"code":"CL-L5-EW","name":"Connectivity & Materials EW","value":1955.8,"members":20,"change_1d_pct":-7.46,"change_ytd_pct":91.12},{"code":"CL-L5-CW","name":"Connectivity & Materials Cap-Weight","value":1558.53,"members":20,"change_1d_pct":-7.03,"change_ytd_pct":52.77},{"code":"CL-L5-MW","name":"Connectivity & Materials MW","value":1802.96,"members":20,"change_1d_pct":-7.39,"change_ytd_pct":76.19},{"code":"CL-L6-EW","name":"Manufacturing Support EW","value":1240.56,"members":10,"change_1d_pct":-3.64,"change_ytd_pct":22.47},{"code":"CL-L6-CW","name":"Manufacturing Support Cap-Weight","value":1268.67,"members":10,"change_1d_pct":-3.27,"change_ytd_pct":25.25},{"code":"CL-L6-MW","name":"Manufacturing Support MW","value":1268.67,"members":10,"change_1d_pct":-3.27,"change_ytd_pct":25.25},{"code":"CL-L7-EW","name":"AI Factory EW","value":1680.76,"members":13,"change_1d_pct":-5.1,"change_ytd_pct":61.46},{"code":"CL-L7-CW","name":"AI Factory Cap-Weight","value":1586.35,"members":13,"change_1d_pct":-4.87,"change_ytd_pct":53.49},{"code":"CL-L7-MW","name":"AI Factory MW","value":1679.41,"members":13,"change_1d_pct":-5.28,"change_ytd_pct":61.33},{"code":"CL-L8-EW","name":"Physical AI EW","value":1351.53,"members":7,"change_1d_pct":-3.79,"change_ytd_pct":33.58},{"code":"CL-L8-CW","name":"Physical AI Cap-Weight","value":1362.24,"members":7,"change_1d_pct":-3.69,"change_ytd_pct":34.64},{"code":"CL-L8-MW","name":"Physical AI MW","value":1362.24,"members":7,"change_1d_pct":-3.69,"change_ytd_pct":34.64},{"code":"CL-WAFER-EW","name":"Wafer Processing & Precision EW","value":1018.68,"members":2,"change_1d_pct":-4.74,"change_ytd_pct":-3.1},{"code":"CL-WAFER-CW","name":"Wafer Processing & Precision Cap-Weight","value":1011.86,"members":2,"change_1d_pct":-4.72,"change_ytd_pct":-3.75},{"code":"CL-WAFER-MW","name":"Wafer Processing & Precision MW","value":1011.86,"members":2,"change_1d_pct":-4.72,"change_ytd_pct":-3.75},{"code":"CL-PACKAGING-EW","name":"Advanced Packaging & Bonding EW","value":1663.07,"members":6,"change_1d_pct":-5.91,"change_ytd_pct":56.22},{"code":"CL-PACKAGING-CW","name":"Advanced Packaging & Bonding Cap-Weight","value":1609.37,"members":6,"change_1d_pct":-5.63,"change_ytd_pct":51.17},{"code":"CL-PACKAGING-MW","name":"Advanced Packaging & Bonding MW","value":1609.37,"members":6,"change_1d_pct":-5.63,"change_ytd_pct":51.17},{"code":"CL-MEMORY-EW","name":"HBM Memory EW","value":2537.52,"members":3,"change_1d_pct":-5.02,"change_ytd_pct":139.65},{"code":"CL-MEMORY-CW","name":"HBM Memory Cap-Weight","value":2480.84,"members":3,"change_1d_pct":-4.91,"change_ytd_pct":134.3},{"code":"CL-MEMORY-MW","name":"HBM Memory MW","value":2480.84,"members":3,"change_1d_pct":-4.91,"change_ytd_pct":134.3},{"code":"CL-TESTMET-EW","name":"Testing & Metrology EW","value":1599.55,"members":14,"change_1d_pct":-6.78,"change_ytd_pct":55.17},{"code":"CL-TESTMET-CW","name":"Testing & Metrology Cap-Weight","value":1456.84,"members":14,"change_1d_pct":-6.66,"change_ytd_pct":41.18},{"code":"CL-TESTMET-MW","name":"Testing & Metrology MW","value":1603.62,"members":14,"change_1d_pct":-6.73,"change_ytd_pct":55.56},{"code":"CL-STORAGE-EW","name":"Storage EW","value":3558.15,"members":3,"change_1d_pct":-9.22,"change_ytd_pct":232.34},{"code":"CL-STORAGE-CW","name":"Storage Cap-Weight","value":3660.28,"members":3,"change_1d_pct":-9.4,"change_ytd_pct":241.88},{"code":"CL-STORAGE-MW","name":"Storage MW","value":3660.28,"members":3,"change_1d_pct":-9.4,"change_ytd_pct":241.88}],"tracked_names":{"count":130,"note":"Names this index tracks. Membership per variant is on the page.","list":[{"ticker":"CDNS","name":"Cadence Design Systems","sector":"EDA & Chip IP"},{"ticker":"SNPS","name":"Synopsys","sector":"EDA & Chip IP"},{"ticker":"ARM","name":"ARM Holdings","sector":"EDA & Chip IP"},{"ticker":"NVDA","name":"NVIDIA","sector":"Architects (Chip Design)"},{"ticker":"AVGO","name":"Broadcom","sector":"Architects (Chip Design)"},{"ticker":"AMD","name":"AMD","sector":"Architects (Chip Design)"},{"ticker":"QCOM","name":"Qualcomm","sector":"Architects (Chip Design)"},{"ticker":"TSM","name":"TSMC","sector":"Foundry & Integration"},{"ticker":"ASX","name":"ASE Group","sector":"Foundry & Integration"},{"ticker":"GFS","name":"GlobalFoundries","sector":"Foundry & Integration"},{"ticker":"AMKR","name":"Amkor Technology","sector":"Foundry & Integration"},{"ticker":"TSEM","name":"Tower Semiconductor","sector":"Foundry & Integration"},{"ticker":"ASML","name":"ASML","sector":"Lithography"},{"ticker":"SMHN.DE","name":"SÜSS MicroTec","sector":"Lithography"},{"ticker":"7731.T","name":"Nikon","sector":"Lithography"},{"ticker":"7751.T","name":"Canon","sector":"Lithography"},{"ticker":"8035.T","name":"Tokyo Electron","sector":"Deposition, Etch & Process"},{"ticker":"LRCX","name":"Lam Research","sector":"Deposition, Etch & Process"},{"ticker":"AMAT","name":"Applied Materials","sector":"Deposition, Etch & Process"},{"ticker":"ASM.AS","name":"ASM International","sector":"Deposition, Etch & Process"},{"ticker":"AIXA.DE","name":"Aixtron","sector":"Deposition, Etch & Process"},{"ticker":"VACN.SW","name":"VAT Group","sector":"Deposition, Etch & Process"},{"ticker":"IFCN.SW","name":"INFICON","sector":"Deposition, Etch & Process"},{"ticker":"COTN.SW","name":"Comet Group","sector":"Deposition, Etch & Process"},{"ticker":"6525.T","name":"Kokusai Electric","sector":"Deposition, Etch & Process"},{"ticker":"6146.T","name":"DISCO Corp","sector":"Wafer Processing & Precision"},{"ticker":"BESI.AS","name":"BESI","sector":"Advanced Packaging & Bonding"},{"ticker":"0522.HK","name":"ASMPT","sector":"Advanced Packaging & Bonding"},{"ticker":"042700.KS","name":"Hanmi Semiconductor","sector":"Advanced Packaging & Bonding"},{"ticker":"KLIC","name":"Kulicke & Soffa","sector":"Advanced Packaging & Bonding"},{"ticker":"NDSN","name":"Nordson","sector":"Advanced Packaging & Bonding"},{"ticker":"LPK.DE","name":"LPKF Laser & Electronics","sector":"Advanced Packaging & Bonding"},{"ticker":"000660.KS","name":"SK hynix","sector":"HBM Memory"},{"ticker":"005930.KS","name":"Samsung Electronics","sector":"HBM Memory"},{"ticker":"MU","name":"Micron Technology","sector":"HBM Memory"},{"ticker":"SNDK","name":"SanDisk","sector":"Storage"},{"ticker":"285A.T","name":"Kioxia","sector":"Storage"},{"ticker":"6857.T","name":"Advantest","sector":"Testing & Metrology"},{"ticker":"TER","name":"Teradyne","sector":"Testing & Metrology"},{"ticker":"6890.T","name":"Ferrotec Holdings","sector":"Testing & Metrology"},{"ticker":"KLAC","name":"KLA Corp","sector":"Testing & Metrology"},{"ticker":"FORM","name":"FormFactor","sector":"Testing & Metrology"},{"ticker":"ONTO","name":"Onto Innovation","sector":"Testing & Metrology"},{"ticker":"CAMT","name":"Camtek","sector":"Testing & Metrology"},{"ticker":"6920.T","name":"Lasertec","sector":"Testing & Metrology"},{"ticker":"NVMI","name":"Nova Ltd","sector":"Testing & Metrology"},{"ticker":"TPRO.MI","name":"Technoprobe","sector":"Testing & Metrology"},{"ticker":"COHU","name":"Cohu","sector":"Testing & Metrology"},{"ticker":"6965.T","name":"Hamamatsu Photonics","sector":"Testing & Metrology"},{"ticker":"PDFS","name":"PDF Solutions","sector":"Testing & Metrology"},{"ticker":"AEHR","name":"Aehr Test Systems","sector":"Testing & Metrology"},{"ticker":"5201.T","name":"AGC Inc.","sector":"Substrates & Interposers"},{"ticker":"GLW","name":"Corning","sector":"Substrates & Interposers"},{"ticker":"INTC","name":"Intel","sector":"Substrates & Interposers"},{"ticker":"4062.T","name":"Ibiden","sector":"Substrates & Interposers"},{"ticker":"ATS.VI","name":"AT&S","sector":"Substrates & Interposers"},{"ticker":"3037.TW","name":"Unimicron","sector":"Substrates & Interposers"},{"ticker":"IFX.DE","name":"Infineon","sector":"Power Semiconductors"},{"ticker":"STM","name":"STMicroelectronics","sector":"Power Semiconductors"},{"ticker":"MPWR","name":"Monolithic Power Systems","sector":"Power Semiconductors"},{"ticker":"ON","name":"onsemi","sector":"Power Semiconductors"},{"ticker":"6723.T","name":"Renesas Electronics","sector":"Power Semiconductors"},{"ticker":"ALGM","name":"Allegro MicroSystems","sector":"Power Semiconductors"},{"ticker":"TXN","name":"Texas Instruments","sector":"Power Semiconductors"},{"ticker":"VICR","name":"Vicor","sector":"Power Semiconductors"},{"ticker":"SU.PA","name":"Schneider Electric","sector":"Grid & Power Infrastructure"},{"ticker":"ETN","name":"Eaton","sector":"Grid & Power Infrastructure"},{"ticker":"2308.TW","name":"Delta Electronics","sector":"Grid & Power Infrastructure"},{"ticker":"VRT","name":"Vertiv","sector":"Thermal Management"},{"ticker":"MOD","name":"Modine Manufacturing","sector":"Thermal Management"},{"ticker":"NVT","name":"nVent Electric","sector":"Thermal Management"},{"ticker":"6367.T","name":"Daikin","sector":"Thermal Management"},{"ticker":"CARR","name":"Carrier Global","sector":"Thermal Management"},{"ticker":"APH","name":"Amphenol","sector":"High-Speed Interconnects"},{"ticker":"COHR","name":"Coherent","sector":"High-Speed Interconnects"},{"ticker":"LITE","name":"Lumentum","sector":"High-Speed Interconnects"},{"ticker":"MRVL","name":"Marvell Technology","sector":"High-Speed Interconnects"},{"ticker":"FN","name":"Fabrinet","sector":"High-Speed Interconnects"},{"ticker":"5801.T","name":"Furukawa Electric","sector":"High-Speed Interconnects"},{"ticker":"CRDO","name":"Credo Technology","sector":"High-Speed Interconnects"},{"ticker":"ALAB","name":"Astera Labs","sector":"High-Speed Interconnects"},{"ticker":"MTSI","name":"MACOM Technology","sector":"High-Speed Interconnects"},{"ticker":"AAOI","name":"Applied Optoelectronics","sector":"High-Speed Interconnects"},{"ticker":"NOK","name":"Nokia","sector":"High-Speed Interconnects"},{"ticker":"SPCX","name":"SpaceX / Starlink","sector":"High-Speed Interconnects"},{"ticker":"4004.T","name":"Resonac","sector":"Advanced Materials"},{"ticker":"4063.T","name":"Shin-Etsu Chemical","sector":"Advanced Materials"},{"ticker":"ENTG","name":"Entegris","sector":"Advanced Materials"},{"ticker":"3436.T","name":"Sumco","sector":"Advanced Materials"},{"ticker":"SOI.PA","name":"Soitec","sector":"Advanced Materials"},{"ticker":"6981.T","name":"Murata Manufacturing","sector":"Advanced Materials"},{"ticker":"WAF.DE","name":"Siltronic","sector":"Advanced Materials"},{"ticker":"6488.TW","name":"GlobalWafers","sector":"Advanced Materials"},{"ticker":"PLAB","name":"Photronics","sector":"Photomasks & Mask Infrastructure"},{"ticker":"7911.T","name":"Toppan Holdings","sector":"Photomasks & Mask Infrastructure"},{"ticker":"MKSI","name":"MKS Instruments","sector":"Fab Subsystems & Process Infra"},{"ticker":"6361.T","name":"Ebara","sector":"Wafer Processing & Precision"},{"ticker":"AEIS","name":"Advanced Energy","sector":"Fab Subsystems & Process Infra"},{"ticker":"6856.T","name":"Horiba","sector":"Fab Subsystems & Process Infra"},{"ticker":"ACLS","name":"Axcelis Technologies","sector":"Fab Subsystems & Process Infra"},{"ticker":"LIN","name":"Linde","sector":"Gases, Chemicals & Consumables"},{"ticker":"AI.PA","name":"Air Liquide","sector":"Gases, Chemicals & Consumables"},{"ticker":"Q","name":"Qnity Electronics","sector":"Gases, Chemicals & Consumables"},{"ticker":"2802.T","name":"Ajinomoto","sector":"Gases, Chemicals & Consumables"},{"ticker":"GUC","name":"Global Unichip","sector":"Architects (Chip Design)"},{"ticker":"WDC","name":"Western Digital","sector":"Storage"},{"ticker":"AAON","name":"AAON","sector":"Thermal Management"},{"ticker":"3017.TW","name":"Asia Vital Components","sector":"Thermal Management"},{"ticker":"3653.TW","name":"Jentech Precision","sector":"Thermal Management"},{"ticker":"3324.TWO","name":"Auras Technology","sector":"Thermal Management"},{"ticker":"DELL","name":"Dell Technologies","sector":"AI Factory Systems"},{"ticker":"HPE","name":"Hewlett Packard Enterprise","sector":"AI Factory Systems"},{"ticker":"0992.HK","name":"Lenovo Group","sector":"AI Factory Systems"},{"ticker":"2382.TW","name":"Quanta Computer","sector":"AI Factory Systems"},{"ticker":"2317.TW","name":"Foxconn (Hon Hai)","sector":"AI Factory Systems"},{"ticker":"POWL","name":"Powell Industries","sector":"DC Power & Electrical"},{"ticker":"GEV","name":"GE Vernova","sector":"DC Power & Electrical"},{"ticker":"PRY.MI","name":"Prysmian","sector":"DC Power & Electrical"},{"ticker":"BE","name":"Bloom Energy","sector":"DC Power & Electrical"},{"ticker":"EME","name":"EMCOR Group","sector":"DC Construction"},{"ticker":"FIX","name":"Comfort Systems USA","sector":"DC Construction"},{"ticker":"STRL","name":"Sterling Infrastructure","sector":"DC Construction"},{"ticker":"PWR","name":"Quanta Services","sector":"DC Construction"},{"ticker":"ABBN.SW","name":"ABB","sector":"Robotics & Automation"},{"ticker":"ROK","name":"Rockwell Automation","sector":"Robotics & Automation"},{"ticker":"6506.T","name":"Yaskawa Electric","sector":"Robotics & Automation"},{"ticker":"6861.T","name":"Keyence","sector":"Machine Vision, Sensing & Edge"},{"ticker":"CGNX","name":"Cognex","sector":"Machine Vision, Sensing & Edge"},{"ticker":"AMS.SW","name":"ams-OSRAM","sector":"Machine Vision, Sensing & Edge"},{"ticker":"LSCC","name":"Lattice Semiconductor","sector":"Machine Vision, Sensing & Edge"}]},"units":{"value":"index points","change_pct":"percent change, end of day","data_as_of":"last US trading day in the data"},"method":{"described_on":"https://closelook.net/indices/rubin/","calculator_version":"8.11"},"source":"closelook calculation from licensed end-of-day prices. No third-party prices are included in this twin.","license":{"attribution":"closelook.net","terms":"https://closelook.net/terms/","note":"Always attribute and link back to closelook.net."},"disclaimer":"Research data, not investment advice.","more":{"markdown":"Send Accept: text/markdown to the page URL for the full page as Markdown.","mcp":{"endpoint":"https://closelook.net/api/mcp","tool":"get_index_snapshot","arguments":{"index":"RUBIN"}},"brief":"POST https://closelook.net/api/agent/brief with {\"task\": \"…\"} — the whole task gets the free route and a quoted shortcut. Everything for agents: https://closelook.net/agent/"},"actions":[{"for":"cite","label":"Cite this page","access":"free","method":"GET","href":"https://closelook.net/indices/rubin/","note":"Cite as \"Rubin Build-Out 100 — closelook.net, data as of 2026-10-30\" and link the page URL."},{"for":"read","label":"Compare all Closelooknet indices side by side","access":"free","method":"GET","href":"https://closelook.net/indices/compare/"},{"for":"buy","label":"Full daily history of every series + current decomposition","access":"priced","method":"POST","href":"https://closelook-mpp-gateway.look-investment-gmbh.workers.dev/paid/index/rubin/history","cost":{"unit":"per call (one index)","usdc":0.1,"card":0.5},"note":"HTTP 402: the first request returns the payment challenge; the 402 answer is authoritative for price and methods. Listing: https://closelook.net/catalog/"}],"next_update":"after the next US market close"}