Western Digital Corp WDC

Revenue Intelligence Report • 26 quarters of SEC filing data • Updated 2026-03-15

Latest quarterly revenue was $3.017B, with the model indicating SG&A spending efficiency as the key driver of long-run revenue since R&D data is not available. The model implies a long-run revenue of 33.96 for each $1 of SG&A, signaling a high ROI on SG&A spending as the main revenue lever. The holdout test predicted $2.4B versus actual $3.0B (21.9% error), and overall MAPE is 10.5%, signaling modest predictive accuracy and meaningful forecast risk. The FY forecast calls for $2.0B in revenue, down 81.1% year over year, indicating a materially weaker near-term outlook despite the SG&A ROI signal.

Investment Thesis

At 10.5% MAPE, the model captures Western Digital Corp's broad revenue trajectory, though quarterly variability suggests sensitivity to external factors. Each $1 of SG&A spending generates $33.96 in revenue, reflecting strong commercial efficiency.

Next FY Revenue
$1.99B
-81.1% YoY
SG&A Multiplier
$33.96 per $1
Model Accuracy
10.5% MAPE
Holdout validation: The model predicted $2.4B vs the actual $3.0B — an error of 21.9%.
Note: Western Digital Corp does not report R&D expenses separately. This analysis uses SG&A spending only.
Investor insight: Actual revenue ($3.0B) came in 22% above the spending-based forecast ($2.4B). This suggests that Western Digital Corp's recent revenue growth is driven significantly by external demand factors — such as market pricing, product cycle tailwinds, or structural demand shifts — beyond what its R&D and SG&A spending alone would predict.

Revenue Forecast

WDC Revenue Forecast

Quarterly Detail

QuarterModel ForecastActual95% RangeYoY GrowthStatus
Q1 2026 $2.4B $3.0B $1.7B – $3.0B +6.6% ✗ Outside range
Q2 2026 $1.3B $0.4B – $2.2B -47.0%
Q3 2026 $0.7B $-0.4B – $1.8B -69.1%
Q4 2026 $0.0B $-1.4B – $1.2B -100.0%
Q1 2027 $0.0B $-2.2B – $0.7B -100.0%

Seasonal Factors

Multiplicative seasonal adjustment: These factors capture Western Digital Corp's systematic quarterly revenue patterns relative to the trend model. A factor of 1.05 means that quarter typically runs 5% above the underlying trend; 0.95 means 5% below. Factors are computed as the median of (actual / fitted) across all available quarters.
Fiscal QuarterSeasonal Factorvs TrendInterpretationObs.
FQ1 (Sep–Nov) 0.9939 -0.6% In line with trend 7
FQ2 (Dec–Feb) 1.0507 +5.1% +5.1% above trend 8
FQ3 (Mar–May) 0.9587 -4.1% -4.1% below trend 7
FQ4 (Jun–Aug) 1.0 +0.0% In line with trend 0

How Spending Drives Revenue

WDC Spending Timing
Reading this chart: Each line shows the cumulative revenue generated per $1 spent over subsequent quarters. The effect builds over 4-5 quarters as investments mature.

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Data sourced from SEC EDGAR XBRL filings. Model: ARDL (linear) with 26 quarters. This analysis is for informational purposes only and does not constitute investment advice.

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