AI Buildout Index
125 constituents across 24 sectors tracking the Rubin → Feynman infrastructure cycle. Four index variants. Updated daily after market close.
Each constituent contributes equally (1/N). Rebalanced on the last trading day of each calendar quarter (Mar 31 / Jun 30 / Sep 30 / Dec 31) back to 1/N. Best gauge of average stock performance across the semiconductor supply chain.
Weighted by last-known market capitalization (Option B+: price-scaled for backtest deterministically), 10% single-stock cap iterative, same quarterly cadence as EW. Reflects the economic reality where NVIDIA, TSMC, and Broadcom dominate.
Drift since inception: 1/N at base date with no scheduled rebalance — winners compound a heavier weight, laggards shrink. The market does the tilting through price action. First manual semi-annual rebalance scheduled 2026-06-30. The original 21d-Sharpe-monthly methodology is retired (active momentum tilt now lives in Rubin Sector Rotation).
Selection overlay: on the first trading day of each month, constituents are ranked by 21-day Sharpe (lagged, no look-ahead); the top 60% are held equal-weight and the laggard 40% are dropped. Currently 75 of 125 names. Rules-based backcast from inception on the as-run universe (61 of 102 before the June 30 reconstitution).
Analysis Charts
Full charting with indicators, oscillators, and benchmark overlays. Murphy-framework toolset with three views.
Sector Indices
Performance Heatmap
Rotation Radar Directional Flow · daily
Flow changes inside Rubin 100 — from our daily Directional Flow scan. What is heating up, what is cooling down? Dimensions: sector · region · market-cap · thesis-role.
| NVDA | NVIDIA | ARCHI | $214.72 | -0.98% | +2.85% | -2.18% | — | — | megaus | |
| AVGO | Broadcom | ARCHI | $368.45 | +1.21% | -6.12% | -11.12% | — | — | megaus | |
| AMD | AMD | ARCHI | $473.25 | +0.81% | -12.31% | +5.26% | — | — | largeus | |
| QCOM | Qualcomm | ARCHI | $160.75 | +0.01% | -6.05% | -24.68% | — | — | megaus | |
| GUC | Global Unichip | ARCHI | TWD 5600.00 | -0.53% | +27.85% | +5.46% | — | — | midasia-tw |
| TSM | TSMC | FOUND | $418.95 | +0.71% | +0.81% | +2.90% | — | — | megaasia-tw | |
| ASX | ASE Group | FOUND | $36.51 | +0.00% | -7.48% | +11.86% | — | — | largeasia-tw | |
| GFS | GlobalFoundries | FOUND | $48.05 | +1.52% | -15.57% | -40.93% | — | — | largeus | |
| AMKR | Amkor Technology | FOUND | $50.26 | -1.18% | -23.07% | -23.73% | — | — | midus | |
| TSEM | Tower Semiconductor | FOUND | $222.59 | -0.53% | -14.53% | -20.22% | — | — | midisrael |
| 8035.T | Tokyo Electron | DEPET | JPY 54290.00 | +0.50% | -17.69% | +8.95% | — | — | largeasia-jp | |
| LRCX | Lam Research | DEPET | $314.00 | +1.12% | -1.81% | +3.89% | — | — | largeus | |
| AMAT | Applied Materials | DEPET | $492.32 | -0.78% | -12.52% | +15.20% | — | — | largeus | |
| ASM.AS | ASM International | DEPET | EUR 830.40 | +0.70% | -4.95% | -7.07% | — | — | largeeurope | |
| AIXA.DE | Aixtron | DEPET | EUR 37.69 | +1.02% | -6.57% | -28.56% | — | — | mideurope | |
| VACN.SW | VAT Group | DEPET | CHF 604.60 | -0.07% | -6.64% | -1.98% | — | — | mideurope | |
| IFCN.SW | INFICON | DEPET | CHF 165.00 | -0.12% | +1.85% | +1.85% | — | — | mideurope | |
| COTN.SW | Comet Group | DEPET | CHF 340.20 | -0.06% | -5.24% | -3.74% | — | — | mideurope | |
| 6525.T | Kokusai Electric | DEPET | JPY 8321.00 | +2.54% | -4.80% | +15.23% | — | — | midasia-jp |
| BESI.AS | BESI | PACKA | EUR 212.80 | +0.95% | -7.44% | -25.07% | — | — | mideurope | |
| 0522.HK | ASMPT | PACKA | HKD 161.70 | +0.56% | -2.88% | -7.55% | — | — | midasia-other | |
| 042700.KS | Hanmi Semiconductor | PACKA | KRW 213500.00 | -5.32% | -0.70% | -25.74% | — | — | midasia-kr | |
| KLIC | Kulicke & Soffa | PACKA | $85.75 | +0.73% | -19.16% | -15.17% | — | — | midus | |
| NDSN | Nordson | PACKA | $332.24 | -0.73% | +13.74% | +15.86% | — | — | midus | |
| LPK.DE | LPKF Laser & Electronics | PACKA | EUR 13.05 | -2.25% | -2.97% | -53.39% | — | — | smalleurope |
| 6857.T | Advantest | TESTM | JPY 35900.00 | +1.53% | +21.35% | +33.73% | — | — | largeasia-jp | |
| TER | Teradyne | TESTM | $375.74 | -1.93% | +0.53% | +6.31% | — | — | largeus | |
| 6890.T | Ferrotec Holdings | TESTM | JPY 8580.00 | -1.15% | +15.32% | -3.92% | — | — | midasia-jp | |
| KLAC | KLA Corp | TESTM | $183.99 | -1.01% | -15.88% | -0.12% | — | — | largeus | |
| FORM | FormFactor | TESTM | $114.16 | -1.34% | +1.25% | -10.81% | — | — | midus | |
| ONTO | Onto Innovation | TESTM | $293.33 | -1.84% | +0.71% | +12.19% | — | — | midus | |
| CAMT | Camtek | TESTM | $146.81 | -1.14% | -5.40% | -8.58% | — | — | midisrael | |
| 6920.T | Lasertec | TESTM | JPY 35120.00 | +0.54% | -18.31% | -7.89% | — | — | midasia-jp | |
| NVMI | Nova Ltd | TESTM | $376.99 | -1.79% | -17.21% | -24.07% | — | — | midisrael | |
| TPRO.MI | Technoprobe | TESTM | EUR 27.35 | -0.36% | -11.88% | -15.18% | — | — | mideurope | |
| COHU | Cohu | TESTM | $54.37 | +0.48% | -0.26% | +19.10% | — | — | midus | |
| 6965.T | Hamamatsu Photonics | TESTM | JPY 2367.00 | +1.37% | -1.46% | -18.67% | — | — | midasia-jp | |
| PDFS | PDF Solutions | TESTM | $45.65 | +1.87% | -12.80% | +2.40% | — | — | midus | |
| AEHR | Aehr Test Systems | TESTM | $101.73 | -4.00% | +14.94% | +11.42% | — | — | smallus |
| 5201.T | AGC Inc. | SUBST | JPY 5802.00 | +0.64% | -8.54% | -10.67% | — | — | midasia-jp | |
| GLW | Corning | SUBST | $149.84 | -1.06% | -3.99% | -21.91% | — | — | largeus | |
| INTC | Intel | SUBST | $90.07 | -2.24% | -10.14% | -23.99% | — | — | largeus | |
| 4062.T | Ibiden | SUBST | JPY 19190.00 | +0.21% | +5.15% | -0.31% | — | — | midasia-jp | |
| ATS.VI | AT&S | SUBST | EUR 140.60 | -1.68% | -16.51% | +0.43% | — | — | mideurope | |
| 3037.TW | Unimicron | SUBST | TWD 1085.00 | -4.82% | +21.09% | +9.60% | — | — | midasia-tw |
| IFX.DE | Infineon | POWER | EUR 55.97 | +1.01% | -14.54% | -27.83% | — | — | largeeurope | |
| STM | STMicroelectronics | POWER | $50.56 | +1.28% | -5.48% | -23.00% | — | — | largeeurope | |
| MPWR | Monolithic Power Systems | POWER | $1316.28 | +0.43% | -5.79% | -15.69% | — | — | largeus | |
| ON | onsemi | POWER | $74.21 | -0.67% | -17.66% | -32.30% | — | — | largeus | |
| 6723.T | Renesas Electronics | POWER | JPY 3433.00 | -1.04% | -17.77% | -15.11% | — | — | largeasia-jp | |
| ALGM | Allegro MicroSystems | POWER | $37.16 | -0.08% | -25.78% | -16.87% | — | — | midus | |
| TXN | Texas Instruments | POWER | $264.36 | -0.47% | -7.24% | -11.40% | — | — | megaus |
| VRT | Vertiv | THERM | $261.95 | -1.01% | -13.84% | -19.00% | — | — | largeus | |
| MOD | Modine Manufacturing | THERM | $197.68 | +3.64% | -20.81% | -20.96% | — | — | midus | |
| NVT | nVent Electric | THERM | $151.98 | -1.50% | -4.28% | -7.09% | — | — | midus | |
| 6367.T | Daikin | THERM | JPY 20700.00 | -0.77% | -14.60% | -13.98% | — | — | largeasia-jp | |
| CARR | Carrier Global | THERM | $60.37 | +0.37% | -12.70% | -2.91% | — | — | largeus | |
| AAON | AAON | THERM | $79.44 | -1.73% | -26.23% | -39.95% | — | — | midus |
| APH | Amphenol | INTER | $167.11 | +9.14% | +6.15% | +33.84% | — | — | largeus | |
| COHR | Coherent | INTER | $289.52 | -0.18% | -7.57% | -23.41% | — | — | midus | |
| LITE | Lumentum | INTER | $866.71 | -1.43% | +3.97% | -10.14% | — | — | largeus | |
| MRVL | Marvell Technology | INTER | $237.04 | -5.57% | +13.24% | +24.31% | — | — | largeus | |
| FN | Fabrinet | INTER | $436.67 | -1.84% | -15.66% | -37.91% | — | — | midus | |
| 5801.T | Furukawa Electric | INTER | JPY 3818.00 | -1.19% | +8.31% | -28.84% | — | — | midasia-jp | |
| CRDO | Credo Technology | INTER | $230.57 | -0.34% | -2.51% | +19.23% | — | — | midus | |
| ALAB | Astera Labs | INTER | $284.97 | -1.91% | -12.85% | -4.32% | — | — | midus | |
| MTSI | MACOM Technology | INTER | $266.61 | +0.16% | -5.73% | -29.92% | — | — | midus | |
| AAOI | Applied Optoelectronics | INTER | $124.82 | -3.32% | +11.43% | -29.40% | — | — | midus | |
| NOK | Nokia | INTER | $10.21 | +0.59% | +4.93% | -28.00% | — | — | largeeurope | |
| SPCX | SpaceX / Starlink | INTER | $136.97 | +2.22% | +15.84% | +0.00% | — | — | megaus |
| 4004.T | Resonac | MATER | JPY 16060.00 | +0.72% | +5.31% | -10.83% | — | — | midasia-jp | |
| 4063.T | Shin-Etsu Chemical | MATER | JPY 6051.00 | -1.79% | -14.47% | -13.97% | — | — | largeasia-jp | |
| ENTG | Entegris | MATER | $143.66 | -0.67% | +6.18% | +9.34% | — | — | midus | |
| 3436.T | Sumco | MATER | JPY 3384.00 | -2.08% | -10.59% | +6.52% | — | — | midasia-jp | |
| SOI.PA | Soitec | MATER | EUR 109.80 | +0.05% | -5.99% | -34.13% | — | — | mideurope | |
| 6981.T | Murata Manufacturing | MATER | JPY 7091.00 | -1.58% | -14.74% | -0.55% | — | — | largeasia-jp | |
| WAF.DE | Siltronic | MATER | EUR 83.90 | +2.76% | +0.78% | -13.55% | — | — | mideurope | |
| 6488.TW | GlobalWafers | MATER | TWD 941.00 | -5.24% | -15.98% | +19.42% | — | — | midasia-tw |
| DELL | Dell Technologies | SYSTE | $442.08 | +1.68% | +0.62% | +74.87% | — | — | largeus | |
| HPE | Hewlett Packard Enterprise | SYSTE | $53.45 | +1.06% | +12.20% | +57.34% | — | — | largeus | |
| 0992.HK | Lenovo Group | SYSTE | HKD 29.78 | +0.20% | +20.96% | +126.46% | — | — | largeasia-other | |
| 2382.TW | Quanta Computer | SYSTE | TWD 321.50 | -1.68% | -4.32% | +1.58% | — | — | largeasia-tw | |
| 2317.TW | Foxconn (Hon Hai) | SYSTE | TWD 245.50 | -0.41% | -4.66% | -5.94% | — | — | largeasia-tw |
Community Predictions — AI & Semis
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Build-Out Series · Dossier 01
Rubin: The Next AI Gold Rush
A 6-minute video, an 8-minute audio deep-dive, 11 slides, and 15 flashcards. Power, packaging, networking — the picks-and-shovels of the 2026 AI build-out, mapped end-to-end.
Quick check
Test your understanding
15 flashcards · click to reveal each answer