Daily Alpha · X
· Premarket Alpha · by Buzzberg Research
ABF substrate supply is full through Q4 2026, with lead times up to 48 to 52 weeks.
Themes on this desk
Packaging bottleneck
ABF makers are full through Q4 2026, while AMD is reportedly competing for foundry, OSAT and substrate capacity.
Memory stays tight
Jukan relayed higher Q4 2026 DRAM pricing and enterprise SSD undersupply through 2026 alongside a later Rubin ramp.
Ticker heat
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Top voices by smart followers and alpha score
Market Radar →Bianco turns buyer of long-duration Treasuries
Jim Bianco is publicly framing the current setup as 'The Bond Pivot' and arguing it is time to start buying bonds, a reversal from his prior rate stance.
The Bond Pivot: Jim Bianco On Why It’s Time To Start Buying Bonds https://t.co/SyHexlpDlA
A high-profile macro commentator flipping long duration can shift retail and advisor flows into long-end Treasury exposure and is a sentiment marker for peak-yield narratives.
Watch Whether long-end yields fall and TLT makes a sustained higher low; invalidation if 10y/30y yields break to new cycle highs.
Source →AMD CEO's urgent Taiwan trip signals packaging/substrate capacity scramble
Taiwanese media report that AMD CEO Lisa Su personally visited Taiwan to secure the company's packaging, testing, and substrate supply chain, with Digitimes framing it as AMD urgently competing for production capacity from TSMC and packaging/testing/substrate makers.
Taiwanese media report that AMD CEO Lisa Su personally visited Taiwan today to secure the company’s packaging, testing, and substrate
Suggests AMD is capacity-constrained on advanced packaging and substrates rather than demand-constrained, a bullish read-through for TSMC and OSAT/substrate suppliers and a potential gating factor on AMD AI accelerator shipments.
Watch Confirm via TSMC CoWoS capacity commentary, OSAT monthly revenue, and AMD guidance on MI-series supply availability.
Source →TrendForce: DRAM contract prices set for meaningful 4Q26 increases on US CSP demand
TrendForce reports that suppliers' early-stage discussions on 4Q26 DRAM contract pricing point to meaningful price increases, suggesting strengthening demand momentum particularly from US cloud service providers.
1Q27. DRAM Suppliers’ early-stage discussions on 4Q26 contract pricing point to meaningful price increases, suggesting strengthening demand momentum, particularly from
Rising DRAM contract prices are a direct revenue and margin tailwind for memory makers like Micron, and a cost headwind for downstream hardware buyers.
Watch Confirmed 4Q26 DRAM contract price settlements and Micron guidance revisions reflecting higher pricing.
Source →ABF substrate supply full through Q4 2026 with 48-52 week lead times
pequityresearch relays Funda data that ABF substrate supply is limited, with tier-1 and tier-2 makers full as of Q4'26 and lead times as long as 48-52 weeks, tagging AMD, INTC, NVDA, AMZN and GOOGL as read-through.
times being as long as 48-52 weeks. We need more substrate!
Substrate is a gating input for advanced CPU/GPU packaging; extended lead times imply either upside for substrate suppliers or a constraint on accelerator shipment growth.
Watch Substrate maker capacity commentary and lead times in upcoming earnings; invalidation if lead times shorten or new capacity comes online faster than expected.
Source →Bubbleboi flips short Ibiden, long AT&S, Kinsus and Ajinomoto
Bubbleboi explicitly recommends shorting Ibiden as overpriced and losing market share, while going long AT&S, Kinsus and Ajinomoto as the beneficiaries of the substrate shift, promising to explain later.
Short Ibiden it’s overpriced and will lose market share. Go long AT&S, Kinsus, &
A direct short call against the widely-bullish Ibiden ABF substrate thesis, paired with named long alternatives, is a concrete relative-value trade in the AI substrate supply chain.
Watch Whether Ibiden loses disclosed share or pricing power at 27Q1 contract renewals, and whether AT&S/Kinsus win incremental high-end ABF allocations.
Source →