Comparison window: W36 (2026.08.28–09.04) vs W37 (2026.09.04–09.11). Ten categories / metrics moved materially this week; one risk-level upgrade — analog ICs & discrete devices moved from yellow to red, lifting the overall rating to 6 red / 2 yellow / 2 green.
| Category / Metric | Last week (W36) | This week (W37) | Direction | What changed |
|---|---|---|---|---|
| Memory DDR4 8Gb Spot WoW |
+2.08% | +1.4% | ↘ Narrowing | Spot average USD 45.214 makes a new high but the slope flattens; DDR5 flat at 54.333, NAND 512Gb TLC +0.81% to 20.71; SK Group Chairman Chey Tae-won flags a 20-30% datacenter memory shortage |
| MLCC (supply contraction) Supply |
Q4 hike + largest-ever LTA | Leader discontinues part numbers | ↑ Reinforced | Murata (9/10) will discontinue part of the GRM / GRJ / GRT families from FY2026, freeing capacity for AI high-capacitance parts — generic supply shrinks at the margin |
| MLCC (demand quantified) Demand |
~28,000 / server (est.) | 72.6B units (2026E) | 🆕 New | 2026 AI-server MLCC demand ≈ 72.6B units (+87%), 136.7B in 2027; 15-25k per server (8-12× a standard server); AMD MI450 board 47µF usage 1,440 → 10,544 units |
| Analog IC / Discrete Risk level |
Yellow | Red | 🆕 Upgraded | ADI full-lineup hike took effect 9/13 (some "/883" up to +30%, longest lead time ~6 months); Renesas 9/9 second hike — the "approaching upgrade threshold" flag from W36 triggered |
| Power Devices Lead time |
30 weeks+ | 30-52 weeks | ↑ Lengthening | Mainstream power lead times extend past 30 weeks, scarce types to 52; Infineon IGBT +8-15% / SiC +10-20%; a single 120-125kW AI rack carries ~USD 15k of power semis (>USD 100k for high-power designs) |
| CCL / E-fabric (upstream) Cost |
Red (7th round) | Red (cost rising again) | ↑ Reinforced | G75 e-yarn August average +53% vs late May; 7628 fabric RMB 10-10.2/m (doubled), thin fabric +140% YTD; monthly fabric gap >40M meters, high-end copper-foil gap 25-42% |
| Shanghai Copper Futures |
RMB 109,110/t | RMB 108,360/t | ↓ Turned down | White House undecided on refined-copper tariffs (Sep 28 deadline); LME copper -3.96% in one day to USD 14,182.5, COMEX -5.26%; cancelled warrants still 50.3%, inventory 234,750t |
| LME Tin / Precious Metals Price |
Tin 54,900 / gold 4,520 / silver 67.6 | Tin 54,115 / gold 4,357 / silver 63.95 | ↓ Pullback | Shanghai tin 410,290/t (-1.48% WoW), SHFE tin inventory +1,153t to 7,652t; COMEX gold -1.13% / silver -1.51% — precious and base metals cooling together |
| SCFI Freight Composite index |
5th straight weekly gain | 3,662.18 pts (7th straight) | ↑ Extending | +2.0% WoW; US East Coast 10,479 (+1.5%), US West 7,339 (+1.34%); Europe 2,545/TEU (-3.7%) and Med 3,299 (-4.2%) widen losses; Southeast Asia +13.1%; Panama quota cuts support US lanes |
| USD / RMB FX |
6.7787 | 6.7743 (9/11 central parity) | ↗ RMB stronger | Central parity highest since Feb 6, 2023, +44bp this week; onshore spot closed 6.7096 on 9/11; USD index 99.08 — marginal improvement in local-currency cost of USD-priced imports |
Color block = supply / price tightness. Bold outline = moved this week. Red = rising / high risk, green = falling / loose supply-demand (China market convention).
| Segment | 1H 2026 | Current (Sep) | 2027 Outlook | |
|---|---|---|---|---|
| Memory DRAM / DDR5 | High | Red alert | Red alert | DDR4 8Gb +1.4% (slope flattening) |
| NAND / eMMC | High | High | High | 512Gb TLC +0.81%, SLC +50%/qtr |
| MLCC Ceramic Capacitors | Red alert | Red alert | Red alert | Murata discontinues generic lines |
| Tantalum Capacitors | High | Red alert | Red alert | KEMET 4th round, lead time 40-52 wks |
| Aluminum-Electrolytic / Film | Yellow alert | Red alert | High | Broad hikes; aluminum -0.9% easing |
| MCU Microcontrollers | High | Red alert | Red alert | STM32 72-80 wks, scheduled to 2028 |
| Analog / Power Management | High | Red alert | Red alert | ▲ Upgraded: ADI 9/13 + Renesas 9/9 |
| Power Devices | High | High | High | Lead time 30-52 wks, +8-20% |
| PCB / CCL | Yellow alert | Red alert | Red alert | E-fabric doubled, margin divergence |
| Copper / Base Metals | High | High | High | LME -3.96% single-day (tariff reversal) |
| Freight | Yellow alert | Elevated | Yellow alert | SCFI 7th straight weekly gain |
| Connectors / RF | Yellow alert | Elevated | Elevated | Huafeng 224G mass delivery |
| FX / Policy | Watch | Watch | Watch | RMB strongest since Feb 2023 |
DDR4 8Gb spot makes a new high of USD 45.214 but the gain narrows to +1.4%; DDR4 16Gb -3.4% pullback, DDR5 flat — spot moved from "accelerating" to "diverging at highs", while 3Q26 contracts still step up +13-18% (DRAM) quarterly.
The shortage is moving further upstream along the "yarn → fabric → CCL" chain, and the industry is now splitting between high-end pass-through and low-end margin squeeze.
| Node | This week / recent action |
|---|---|
| E-yarn / e-fabric (G75 / 1080 / 7628) | G75 e-yarn August average RMB 19,700-20,000/t (+53% vs late May); 7628 fabric RMB 10-10.2/m (doubled); thin fabric +140% YTD; monthly fabric gap >40M meters |
| HVLP4 high-speed copper foil | Processing fee from RMB 15,000/t to 35,000/t (+130%); high-end global supply gap 25-42% |
| FR-4 CCL | Kingboard 7th letter landed (FR-4 cumulative +100%); Panasonic up to +30% from 9/1; Nan Ya +20-25% |
| AI high-speed CCL (M8/M9) | +15% or more (YTD +50%+); Shengyi Tech M8/M9 passed NVIDIA certification |
| Margin divergence | High-end passing through: Shengyi gross margin 29.16% (+5.47pct), WUS 40.52% (+4.06pct); low-end squeezed: Chaohua 13.78% (-4.41pct), Suntak 7.67% (-4.62pct) |
High-end e-fabric looms come from only two Japanese suppliers worldwide, with core equipment deliveries scheduled past 18 months and full ramp taking 3-5 years; electronic-grade PPE specialty resin supply fell ~70% globally, +261% YTD. The monthly fabric gap exceeds 40M meters and high-end copper-foil gap runs 25-42% — no meaningful new supply lands within 2026. Prismark raised its 2026 global PCB output forecast to +18.8%; the Rubin 5th-order 24-layer HDI is the new AI-server motherboard standard. PCB makers now price quote-by-quote — prepayment locks allocation, not price.
Standing section, rewritten each week for the changes. Pull-in strategy runs parallel to cost-down / substitution paths.
| Segment — this week's move | Procurement / pull-in strategy (this month) | Cost-down & alternatives |
|---|---|---|
| Memory DRAM/DDR5Spot high-level divergence; contracts +13-18% qtr | Convert reservations to confirmed POs; lock 6-12 month LTBs for stable designs; lock 3Q baseline before 4Q26 contract talks; extend coverage into 2027 allocation. | Five classic paths: ① brand pin-to-pin swap ② density swap ③ generation swap (DDR4→DDR5) ④ grade swap (commercial vs industrial) ⑤ module vs discrete. Freeze the memory sub-BOM early. |
| MLCC Ceramic CapacitorsMurata discontinues generic lines; high-cap 36 wks+ | Screen the Murata discontinuation list against your BOM; cover a 28-week window; split orders across brands; pre-book AI-grade; lock allocation first, not price. | Package-size consolidation; X7R↔X5R swap where margin allows; domestic substitutes for standard values; respond early to last-order (Mar 2028) / last-shipment (Mar 2029) deadlines. |
| Tantalum CapacitorsKEMET 4th round; lead time 40-52 wks; Rubin doubles | Start substitute qualification immediately; lock existing allocation; watch DRC production-restart signals. | Polymer → MnO₂; tantalum → MLCC or aluminum-polymer (where ripple / ESR allow). |
| PCB / CCLE-fabric doubled; G75 yarn +53%; margin divergence | Order to lock material grade; batch and panelization optimization; finalize layer count, copper weight and laminate grade before quoting. | Rational material downgrade; layer reduction; panel / nesting optimization; stack-up review. |
| MCU / Analog / PowerADI 9/13 landed; Renesas 2027/1/1; power 30-52 wks | For Renesas — lock pre-2027/1/1 pricing; for ADI — shift to "lock volume + verify substitutes"; prioritize channel orders ≥6 months. | Cross-brand pin-to-pin; package arbitrage; accelerate domestic analog substitution where feasible. |
| Connectors / MetalsCopper -3.96% single-day; Huafeng 224G mass delivery | Use the copper pullback window to renegotiate cost-pass-through clauses on copper-heavy parts (connectors, harnesses, copper foil) before the Sep 28 tariff decision. | Connector cross-sourcing 10-30%; evaluate domestic 224G/112G high-speed alternatives as they reach mass delivery. |
Attention allocation: act immediately in the top-right, monitor continuously in the bottom-left.