WDC — Western Digital

_Last updated 2026-11-06 14:00 ET from report. Screening/research, not investment advice._

Business

Hard-disk drives for cloud/data-center storage — WD release, 2026-10-22.

Catalysts, guidance & news

2026-10-29 16:00 update

• Storage read-through (10-27 to 10-29): STX (ρ 0.83) beat on FQ1 and guided FQ2 above estimates. It opened −5.7% on 10-28 and closed +4.51% (STX note). WDC −0.25% on 10-29; after hours −2.7% (Yahoo ~4:12 PM) with INTC −18% and SNDK reporting tonight (results not verified at writing).

• 2026-10-22 AMC, FQ1'27: revenue $4.38B (+55% y/y), non-GAAP EPS $4.64, non-GAAP GM 58.1%, FCF $1.38B; FQ2 guide revenue $5.0–5.2B, non-GAAP GM 60–61%, EPS $5.60–6.00 (WD release, 2026-10-22; figures via search summary of the release — re-verify). ~−2% premarket despite the beat (Yahoo/Stocktwits, 2026-10-23).
• TRAI data gap: /api/events has no next date for WDC, so this report was never flagged as gap risk. STX (ρ 0.83) reports 2026-10-27 AMC.

TRAI data (2026-10-23 8:53 AM ET premarket run; daily stats = Oct 22 session)

• Sector (TRAI): Hardware. Oct 22: -6.43%, relVol 1.46, ATR 6.43%, beta60 1.89, indicated gap -2.33%, signals: none (TRAI /api/latest).
• Next earnings: none on file (next = null) (TRAI /api/events, asOf 2026-10-23).
• Typical earnings reaction (last 3): avg |gap| 7.99% (1.04 ATR), max |gap| 17.39%, gap fill rate 67%, continuation 33%, avg day-1 move in gap direction -0.48% (TRAI /api/events).
• Recent events: 2026-01-29 AMC: gap -0.06%, day-1 -10.07%, close-close -10.12%, EPS surprise 10.47%; 2026-04-30 AMC: gap -6.51%, day-1 +6.23%, close-close -0.69%, EPS surprise 13.57%; 2026-08-05 AMC: gap -17.39%, day-1 +5.28%, close-close -13.03%, EPS surprise 7.87% (TRAI /api/events).
• Correlation cluster 19 (avg ρ 0.828, 60d): WDC, STX (TRAI /api/correlations, asOf 2026-10-22).
• Highest 60d correlations: STX 0.83, MU 0.67, LRCX 0.63, TSM 0.56, AMAT 0.55 (TRAI /api/correlations).

2026-10-30 09:00 update

• Premarket −8.04% (09:16) on INTC's PC/memory warning.

Report links

• 2026-10-23 09:00 — semis selloff
• 2026-10-29 16:00 — AI-infra momentum vs capex financing; INTC/AMZN after-close
• 2026-10-30 09:00 — premarket rotation, INTC/crypto shocks, BMO prints

2026-11-06 14:00 update

• Thu −17.35% (267.63); Fri midday ~−2.25% after failed early rebound (secondary session high ~288).
• WDC–STX ρ 0.95 (asOf 11-05); both now inside cluster 1 with MU (membership migrated from older twin-only cluster 19).
• Secondary Fri headlines tied lag to TSMC 3D-DRAM rumor — mechanism mismatch for an HDD name (Reuters/The Information via Investing.com, 2026-11-06). Argus PT $600→$500 Buy (secondary only).
• 14:00 report · S-148.