ウェスタン・デジタルWDC

Business Snapshot

• Western Digital Corp. (NASDAQ: WDC) is a U.S.-listed common stock. The payload does not provide a sector or industry classification.
• The supplied data shows a major market advance over the last 200 daily bars: the stock rose from an opening price of $167.00 to a latest close of $441.36, a 164.29% increase. However, the stated session range is extremely wide at $151.42–$799.87, so the price data should be treated cautiously.
• No valuation multiples, guidance, analyst targets, or detailed operating-segment information were provided.

Financial Trends

• Revenue: Reported revenue increased from $2.818 billion on 2025-10-03 to $3.017 billion on 2026-01-02, up $199 million; then to $3.337 billion on 2026-04-03, up $320 million. The latest 2026-07-03 figure is $12.919 billion, up $9.582 billion versus the prior reported period. Because the latest figure is from a 10-K while the prior figures are 10-Q periods, this may reflect a different reporting duration and is not directly comparable as a simple quarter-over-quarter change.
• Gross margin: Improved from 43.54% to 45.74%, then 50.22%, before easing to 48.85% in the latest period. The latest margin remains 5.31 percentage points above the earliest period but declined 1.37 points versus the preceding reported period.
• Operating margin: Expanded from 28.11% to 30.10%, then 35.66%, before moderating to 34.47%. This is still 6.36 percentage points higher than four periods ago, although the latest figure declined 1.19 points sequentially.
• Net margin: Rose sharply from 41.94% to 61.05%, then 96.04%, before falling to 72.95%. The latest remains well above the earliest level, but the sequential decline is substantial at 23.09 percentage points.
• Free cash flow: Increased consistently from $599 million to $1.252 billion, then $2.230 billion, and finally $3.511 billion. The latest FCF is up $1.281 billion versus the prior period and $2.912 billion versus four periods ago, indicating strong positive cash-flow momentum in the reported data.
• Cash flow quality and uses: Operating cash flow advanced from $672 million to $1.417 billion, $2.540 billion, and $3.929 billion. Capital expenditures also rose from $73 million to $165 million, $310 million, and $418 million, consistent with expanding investment alongside stronger operating cash generation. Financing cash flow was increasingly negative, reaching -$4.032 billion in the latest period.
• Balance-sheet strength: Total liabilities declined from $8.242 billion to $8.271 billion, $5.365 billion, and finally $4.997 billion. Long-term debt fell from $2.457 billion to $2.429 billion and then to zero in the two latest periods. Equity increased from $5.888 billion to $8.864 billion, a $2.976 billion improvement across the four periods.
• Liquidity: Current assets fell from $6.275 billion to $5.634 billion, while current liabilities declined from $5.173 billion to $4.240 billion. The current ratio improved from 1.21 to 1.45, then 1.49, before easing to 1.33. Working capital rose from $1.102 billion to $2.355 billion before falling to $1.394 billion in the latest period.
• Shares outstanding: Reported shares outstanding increased from 342 million to 361 million across the four balance-sheet dates, a net increase of 19 million shares. This contrasts with the reduction in weighted-average diluted shares from 387 million to 383 million between the two latest income-statement periods.

Financial Health

• The latest reported period shows strong profitability and cash generation: operating income was $4.453 billion, net income was $9.424 billion, and FCF was $3.511 billion.
• The broader trajectory is favorable: revenue, operating income, operating margin, operating cash flow, and FCF all increased across the supplied periods. Margin expansion has been meaningful, although both gross and operating margins eased from the preceding period.
• Debt reduction is a major balance-sheet positive. Long-term debt is reported at zero in the latest two periods, versus $2.429 billion in the 2026-01-02 period.
• Liquidity remains positive, with a latest current ratio of 1.33, but the trend has weakened from 1.49 in the preceding period. Cash declined from $2.050 billion to $1.579 billion, while financing cash outflows reached $4.032 billion.
• The large latest net margin and net income figure should be interpreted carefully because the payload does not explain the composition of earnings or the unusually large difference between operating income and net income. No additional footnotes or reconciliation were provided.

Insider Activity

• Insider sentiment is Neutral (-10) for 2026-06-22 through 2026-09-20, but the underlying transactions are materially asymmetric: $0 of reported buys versus $14.59 million of sells across 35 transactions.
• Recent transactions show repeated selling near the current price area:
  • Cynthia Tregillis sold approximately $309,099 at $441.57 and $194,918 at $451.20 on September 3–4.
  • Vidyadhara Gubbi sold approximately $778,929 at $441.57 and $825,472 at $459.87.
  • Stephanie Streeter sold approximately $2.519 million across prices from $447.06 to $455.00.
  • Multiple executives sold shares around $450.75–$468.88 during late August.
• Several zero-dollar “buy” and “sell” entries appear alongside these filings and may represent equity compensation, tax withholding, or administrative transfers rather than open-market purchases. The economically meaningful disclosed activity is predominantly selling.
• The insider data is therefore a near-term caution signal, although it does not by itself establish the reason for the sales or predict future price direction.

Multi-Timeframe Technical Context

• Ultra-short horizon — minutes: No intraday candles or indicators were provided, so a minute-by-minute setup cannot be assessed. The only volume comparison available is daily: current volume of approximately 13.52 million is about 2.18 times the 20-day average of 6.21 million, indicating elevated activity in the latest daily observation.
• Short horizon — hours to days: Momentum is mixed to weak. RSI-14 is 44.29 and RSI-21 is 45.71, both below the neutral 50 area but not in oversold territory. MACD is -15.51 versus a signal of -14.61, indicating negative MACD positioning.
• The price at $441.36 is essentially aligned with the 12-day EMA of $441.38, but below the 26-day EMA of $456.90, 20-day SMA of $449.18, and 50-day SMA of $481.71. This points to short-term consolidation or pressure beneath nearby moving-average resistance.
• Longer horizon — weeks to months: The price remains above the 200-day SMA of $385.87, preserving a longer-term trend advantage despite the pullback from shorter moving averages. The stock is also within the Bollinger Band range: upper band $487.57, middle $449.18, and lower $410.79.
• ATR is $23.15, implying substantial daily volatility relative to the $441.36 price. The large price range supplied and elevated volume reinforce the need for wider risk controls.

Bull / Bear Cases

• Short-term bull case: Price holds above the lower Bollinger Band at $410.79 and reclaims the $449.18–$456.90 area, where the 20-day SMA and 26-day EMA are located. A move through that zone could improve the short-term technical structure, particularly if volume remains elevated and RSI recovers above 50.
• Short-term bear case: The negative MACD configuration, sub-50 RSI readings, price below the 20-day and 50-day averages, and heavy insider selling could keep rallies under pressure. A break below $410.79 would weaken the immediate setup and expose the stock to a test of the longer-term trend area near the $385.87 200-day SMA.
• Long-term bull case: The reported fundamentals show strong four-period improvement in operating cash flow, FCF, operating margin, equity, and debt reduction. FCF increased from $599 million to $3.511 billion, while long-term debt fell to zero in the latest two periods. If the reported profitability and cash-generation trajectory persists, the long-term fundamental backdrop is constructive.
• Long-term bear case: Latest gross and operating margins declined from the preceding period, liquidity weakened, cash fell by $471 million, and shares outstanding increased by 19 million across the balance-sheet periods. The unusually high latest net margin is not explained in the payload, creating earnings-quality uncertainty. Persistent insider selling and a stock price below key intermediate-term averages add further risk.

Key Levels & Triggers

• Current price: $441.36.
• Immediate resistance: $449.18, the 20-day SMA and Bollinger middle band.
• Next resistance: $456.90, the 26-day EMA.
• Higher resistance: $475.04, the 50-day EMA, and $481.71, the 50-day SMA.
• Upper volatility reference: $487.57, the upper Bollinger Band.
• Initial support: $410.79, the lower Bollinger Band.
• Major trend support: $385.87, the 200-day SMA.
• Bullish trigger: Sustained recovery above $449.18 and $456.90, followed by improvement in RSI and a positive MACD crossover.
• Bearish trigger: A decisive move below $410.79, especially if accompanied by continued above-average volume, would increase the risk of a test near $385.87.
• Fundamental triggers to monitor: Whether gross and operating margins stabilize after their latest pullback; whether FCF continues its four-period acceleration; whether cash and working capital recover; and whether insider selling persists without offsetting open-market buying.