Article published Sep 28, 2026. Prices below use latest available snapshots.
AOSL Price Structure
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Alpha and Omega Semiconductor Limited has cratered and is only bouncing: 49.6% below its 52-week high and down 39.5% since June 29, despite rising 11.1% since August 28; it sits 8.6% below its 200-day average. At the 2026-09-28 settled close, AOSL $27.36 was +6.6% versus its 20-day average and +11.1% over 30 days. The newest verified derived fourth quarter ends 2026-06-30 (filed 2026-08-27); revenue was $170.4M. Against 2025-06-30 revenue of $176.5M, that is -3.5% year over year. Fiscal 2026 revenue fell to $678.9M, gross margin slipped to 22.3%, and the company lost money every quarter. The standing call is 🔴 Stand aside. No entry, stop or target until a close above the 200-day (about $29.85) holds and fiscal Q1 lands near guide · low conviction.
Quick Snapshot (as of 2026-09-28)
| Question | Answer |
|---|---|
| The call | 🔴 Stand aside. No entry, stop or target until a close above the 200-day (about $29.85) holds and fiscal Q1 lands near guide · low conviction. |
| What it is | A designer and manufacturer of power semiconductors — MOSFETs, power ICs and silicon-carbide devices — for computers, servers, communications and industrial systems. |
| Why now | Prior case (2026-09-23): AI servers need denser power delivery; advanced-computing revenue rose 35% sequentially in fiscal Q4 to a record 31% of Computing revenue. |
| Proof | Latest verified period ended 2026-06-30, filed 2026-08-27: revenue $170.4M. Prior case: Power IC revenue rose 18.2% sequentially to $55.5M, and fiscal Q1 is guided to $176M of revenue at 23.8% GAAP gross margin. |
| Objection | Fiscal 2026 revenue fell to $678.9M, gross margin slipped to 22.3%, and the company lost money every quarter. |
| Stock setup | The long trend is broken and the stock remains under its 200-day average; +6.6% versus the 20-day, -8.6% versus the 200-day, RSI 51.4. |
Action Matrix (reviewed 2026-09-28; levels are standing conditions)
| Signal | If | Then |
|---|---|---|
| 🟢 Buy | A close above the 200-day (about $29.85) holds after the November 9 report shows revenue near $176M | The first sign the business and the chart are turning together; reassess with a defined stop. |
| 🟡 Wait | Price bounces below the 200-day | A bounce inside a collapse; not an entry. |
| 🔴 Out | Price stays below the 200-day | Stand aside. |
| 🔴 Thesis breaks | Fiscal Q1 misses the guide or gross margin falls again | AI mix is not lifting the whole company. |
The Story Right Now (as of 2026-09-28)
Alpha and Omega Semiconductor Limited has cratered and is only bouncing: 49.6% below its 52-week high and down 39.5% since June 29, despite rising 11.1% since August 28; it sits 8.6% below its 200-day average.
Data as of 2026-09-28 close: AOSL $27.36, RSI 51.4, strong-down, +6.6% vs SMA20, -8.6% vs SMA200, 7D +4.2%, 30D +11.1%, 1Y -1.3%, -49.6% from the 52-week high.
Business and mechanism. A designer and manufacturer of power semiconductors — MOSFETs, power ICs and silicon-carbide devices — for computers, servers, communications and industrial systems.
Prior case (2026-09-23). AI servers need denser power delivery; advanced-computing revenue rose 35% sequentially in fiscal Q4 to a record 31% of Computing revenue.
Prior proof (2026-09-23). Power IC revenue rose 18.2% sequentially to $55.5M, and fiscal Q1 is guided to $176M of revenue at 23.8% GAAP gross margin.
The countercase. Fiscal 2026 revenue fell to $678.9M, gross margin slipped to 22.3%, and the company lost money every quarter.
Newest statement check. The newest verified derived fourth quarter ends 2026-06-30 (filed 2026-08-27); revenue was $170.4M. Against 2025-06-30 revenue of $176.5M, that is -3.5% year over year.
News and attention check. The news search for the latest move failed; the last completed search was on 2026-09-11. No company event for AOSL was recorded between September 24 and 28.
The call: 🔴 Stand aside. No entry, stop or target until a close above the 200-day (about $29.85) holds and fiscal Q1 lands near guide · low conviction.
Extended analysis
Price Data (live)
Live values from the desk's settled-close summaries. They update with each close; the dated sections above keep the numbers of their own date.
| Metric | AOSL |
|---|---|
| As of (close) | 2026-10-16 |
| Price ($) | 21.75 |
| RSI (14) | 29.8 |
| vs SMA20 (%) | -20.1 |
| vs SMA50 (%) | -20.3 |
| vs SMA200 (%) | -28.5 |
| SMA20 ($) | 27.23 |
| SMA50 ($) | 27.3 |
| SMA200 ($) | 30.41 |
| 1D (%) | -6.81 |
| 7D (%) | -21.96 |
| 30D (%) | -11.94 |
| 3M (%) | -30.44 |
| 1Y (%) | -29.82 |
| 2Y (%) | -41.58 |
| 1Y vs S&P 500 (pts) | -45.35 |
| From 52-week high (%) | -59.97 |
Prior Research (prepared by 2026-09-23; current call and filed-period check above)
Summary
AOSL sits in an attractive part of the AI power chain. Its devices convert and regulate power at several points inside a server, and management says design activity is expanding with power-supply makers, original-design manufacturers, cloud providers and hyperscalers. The latest quarter finally showed that activity in the mix: advanced computing grew sharply and Power IC revenue rebounded.
The whole company went backward anyway. Fiscal-2026 revenue declined to $678.9M, gross margin slipped to 22.3%, and operating losses widened. AOSL still earns too much of its revenue from personal computers, graphics cards and other cyclical markets for one fast-growing pocket to determine the result.
The live question is simple: can AI become large enough to lift company revenue and margins before weak legacy demand and manufacturing costs consume the benefit? The latest print made the product case stronger. It did not answer the earnings question.
Why This Moment Is Different
Fiscal Q4 contained the first useful bridge between the AI narrative and AOSL's reported mix.
- Computing was 49.8% of quarterly revenue. Within it, advanced-computing revenue increased 35% sequentially and reached a record 31% of the segment.
- Power IC revenue reached $55.5M, up 18.2% sequentially, although it remained 19.3% below the prior year.
- Management described growing medium-voltage MOSFET engagements across power-supply vendors, ODMs, cloud providers and hyperscalers, with more contribution expected through the second half of calendar 2026 and into 2027.
- Fiscal-Q1 guidance calls for $176M of revenue at the midpoint and 23.8% GAAP gross margin, both above fiscal Q4.
Those are forward steps. The burden of proof remains high because fiscal-Q4 revenue was still down 3.5% YoY, and management's expected future contribution is not an order disclosure. AOSL has appeared on AI power reference and partner lists, but a reference position can be shared across vendors and may never produce dominant economics. The next two quarters need to show growth in dollars alongside the better mix.
How the Business Makes Money
AOSL combines chip design with more manufacturing ownership than a conventional fabless supplier. It designs power devices and ICs, fabricates wafers at its Oregon facility and through a Chongqing joint venture, and uses internal and external assembly and test capacity.
| Engine | Products and uses | Economic character |
|---|---|---|
| Power Discrete | Low-, medium- and high-voltage MOSFETs, IGBTs and silicon-carbide devices used in computing, industrial, communications and consumer equipment | Broad catalogue and substantial volume, but exposed to pricing, utilization and inventory cycles. |
| Power IC | DC-DC converters, DrMOS and integrated power stages for processors, memory, servers and other electronic systems | Higher integration and design-in value; the most direct route from AI power density to better mix. |
Vertical integration can shorten product development and protect process knowledge. It also puts factory utilization, capital intensity and geographic concentration directly into the income statement. That tradeoff is visible today: AOSL has useful technology and a solid balance sheet, yet gross margin remains far below the levels earned by the best fabless power-IC peers.
What the Company Says It Is Becoming
Management is steering the portfolio toward higher-value Power ICs and advanced-computing applications while retaining the discrete-product base. Fiscal-Q4 prepared remarks describe a company moving beyond commodity PC exposure toward server boards, cloud systems, communications infrastructure and industrial power.
The strategy is plausible because AOSL can pair discrete devices with controllers and integrated stages. Customers can qualify a broader solution from one supplier, and the manufacturing footprint gives AOSL control over specialized processes. The same footprint is the principal risk. A typhoon and flooding affected packaging operations around the quarter, and utilization has to rise before better mix can produce durable operating leverage.
This is also a China-sensitive supply chain. AOSL depends on its Chongqing operation and Asian assembly ecosystem while selling into markets shaped by export controls, tariffs and geopolitical restrictions. The balance sheet can absorb a normal cycle; it cannot make those dependencies disappear.
What the Street and Public Conversation Are Saying
The bullish public story is that AOSL has secured an important AI-server power position at a valuation far below larger peers. That story often includes precise socket-share claims. The current primary-source set confirms advanced-computing growth and customer engagements, but it does not independently establish those exact share percentages. They should remain attributed estimates, not facts in the conviction chain.
Fresh social search returned no relevant posts after filtering. That absence is useful: there is no independent public discussion adding technical or customer evidence to the filing record. The thesis should rise or fall on reported mix, margins and design conversion.
Insider filings are mixed and offer little reassurance. The current aggregate feed shows one purchase and 23 sales, with roughly $5.0M of net selling. Sustained revenue growth would carry far more weight.
The Conviction Chain
| Link | Evidence today | What would strengthen it | What breaks it |
|---|---|---|---|
| AI servers require more sophisticated power delivery | AOSL's advanced-computing revenue grew 35% sequentially, and management reports broader medium-voltage engagements. | Named production programs, repeat orders and another quarter of mix growth. | Engagements remain samples or are lost to larger integrated suppliers. |
| Better mix lifts the whole company | Power IC revenue rebounded 18.2% QoQ. | Company revenue grows YoY while gross margin reaches the mid-20s. | AI grows but consolidated revenue and gross margin keep shrinking. |
| Manufacturing becomes an advantage | Internal wafer and packaging capability can support differentiated products. | Higher utilization improves gross margin and cash generation without a working-capital surge. | Operational disruption, underutilization or geopolitical limits erase the product benefit. |
| The valuation leaves room for success | Equity value is about $826M as of 2026-09-23 at $27.71, roughly 1.22x fiscal-2026 revenue. | Losses narrow as guided growth arrives. | The low multiple correctly signals a structurally low-return manufacturer. |
Conviction is Low because the first link now has evidence, while the next two remain unproven in the financial statements.
Financial Proof
| Fiscal period | Revenue | Operating income | Net income | Diluted EPS |
|---|---|---|---|---|
| Q1 2026 | $182.5M | $(4.6)M | $(2.1)M | $(0.07) |
| Q2 2026 | $162.3M | $(13.6)M | $(13.3)M | $(0.45) |
| Q3 2026 | $163.8M | $(14.1)M | $(13.8)M | $(0.46) |
| Q4 2026 | $170.4M | $(11.0)M | $(13.1)M | $(0.43) |
Fiscal-2026 revenue was $678.9M, down from $696.2M. GAAP gross margin fell to 22.3% from 23.1%, and the operating loss widened to $43.2M from $28.4M. Year-end cash was $180.8M.
As of 2026-09-23 at $27.71 and the filed diluted share count of 29.8M from the fiscal-Q3 2026 10-Q, equity value is about $826M — roughly 1.22x fiscal-2026 sales (up from about 1.12x on 2026-09-18, a price-only move; fiscal Q1 is scheduled for November 9). This restates the multiple on the filed share count rather than a quote-service market cap, which is the cleaner authority. The earnings multiple is not meaningful. That is a modest sales valuation for an AI supplier and an ordinary one for a loss-making manufacturer. Margin improvement is what separates those descriptions.
What to Watch Next
- Fiscal-Q1 delivery: revenue near $176M and gross margin near 23.8% would begin to validate the inflection.
- Advanced-computing dollars: growth must continue and become visible in consolidated revenue.
- Power IC mix: sequential growth should persist without another large YoY decline.
- Factory economics: watch utilization, inventory, operating cash flow and recovery from packaging disruption.
- Customer proof: a named production platform or quantified order is worth more than another compatibility announcement.
Financial Proof
Filed-period check (as of 2026-09-28): The newest verified derived fourth quarter ended 2026-06-30 and was filed 2026-08-27. Revenue was $170.4M (FY $678.9M less nine months to 2026-03-31 $508.6M). Source: SEC key financials and the filing. Dated historical tables below retain their own period basis.
The recent filed revenue series shows the direction of the business; missing cells are left unavailable.
| Period end | Revenue | YoY | Operating income | GAAP net income | Filing date |
|---|---|---|---|---|---|
| 2024-09-30 | $181.9M | — | −$252,000 | −$2.5M | 2024-11-05 |
| 2025-03-31 | $164.6M | — | −$10.7M | −$10.8M | 2025-05-08 |
| 2025-09-30 | $182.5M | +0.3% | −$4.6M | −$2.1M | 2025-11-06 |
| 2025-12-31 | $162.3M | — | −$13.6M | −$13.3M | 2026-02-05 |
| 2026-03-31 | $163.8M | -0.5% | −$14.1M | −$13.8M | 2026-05-06 |
| 2026-06-30 (FY less nine months) | $170.4M | — | unavailable | unavailable | 2026-08-27 |
Refresh History
| Date | Price | What changed |
|---|---|---|
| 2026-05-01 | — | Initial AI-power profile; the stock was already extended and the thesis relied heavily on future mix. |
| 2026-05-29 | $45.35 | Momentum cooled while price held; no new business evidence. |
| 2026-06-16 | $45.17 | Apparent consolidation near the 20-day average. |
| 2026-07-11 | $37.56 | The consolidation failed and price broke both short-term averages. |
| 2026-07-17 | $31.27 | Three-month return turned negative; drawdown deepened. |
| 2026-07-25 | $30.85 | Selling paused briefly. |
| 2026-07-28 | $28.85 | A fresh decline pushed price below the 200-day average. |
| 2026-07-31 | $31.74 | Relief bounce; no new business evidence. |
| 2026-08-08 | $36.08 | Post-earnings bounce, but the reported quarter did not explain the full move. |
| 2026-08-14 | $30.77 | Bounce reversed. |
| 2026-08-22 | $26.39 | Fiscal-Q4 research incorporated: AI mix improved while full-year revenue and margins contracted. |
| 2026-08-28 | $24.63 | Tape update: no new filing this cycle. RSI 33.4, price fell below the 200-day (-16.1%), 1Y turned negative (-17.7%), -54.7% from high. Stock-events checked: none new. News not pulled for this move — the cache was last fetched 2026-08-23, stale relative to this week's decline. |
| 2026-09-04 | $25.20 | Tape update: no new filing this cycle (fiscal-Q1 not yet due). RSI warmed to 38.4, price bounced +2.3% 7D though still -14.6% below the 200-day, 1Y improved to -9.8%. Multiples restated at the new price (~1.11x fiscal-2026 sales). Stock-events checked: none new. News not pulled for this move — the cache was last fetched 2026-08-23, now nearly two weeks stale; the bounce is consistent with a broad semiconductor-cohort rally on 2026-09-04, not a confirmed AOSL-specific catalyst. |
| 2026-09-11 | $25.78 | Tape update: no new filing this cycle (fiscal-Q1 not yet due). RSI warmed further to 42.2, 7D +2.3% (flat vs prior cycle) while 30D deepened to -28.9% and 3M to -43.0%, 200-day gap narrowed to -13.0%, 1Y cooled to -11.6%, -52.6% from high (narrowed marginally). Multiples restated at the new price (~1.14x fiscal-2026 sales, essentially unchanged). Stock-events checked: none new. News not pulled for this move — cache last fetched 2026-08-23, now nearly three weeks stale. |
| 2026-09-18 | $25.40 | Tape update: no new filing this cycle (fiscal-Q1 not yet due). RSI 43.3, 7D turned negative (-1.5%), 30D eased to -6.4% while 3M deepened to -47.1% on a base-effect roll, 200-day gap widened to -14.6%, -53.3% from high. 1Y deteriorated to -13.81% with alpha1y -28.82 — a broken long trend, not a pullback. Multiples restated on the filed 29.8M diluted share count at the new price (~1.12x fiscal-2026 sales, from ~1.14x); this replaces the quote-service market-cap basis used previously. Stock-events checked: none in this window. News not pulled for this move — receipt last written 2026-09-11. |
| 2026-09-23 | $27.71 | RSI 53.4, +9.1% vs SMA20, 30D +7.03%. +12.19% week back above the 20-day; still -7.2% vs the 200-day with 1Y -7.36% and 1Y vs S&P 500 -23.13 pts — broken; call is stand aside. Multiples restated on the filed 29.8M diluted shares (~1.22x fiscal-2026 sales). News not pulled for this move (last fetched 2026-09-11). Stock-events checked: none in the window; fiscal Q1 report 11-09. Filed-period check: fiscal Q3 2026 10-Q (filed 2026-05-06) newest on disk; fiscal Q4 comes from the release. |
| 2026-09-28 | $27.36 | RSI 51.4; +6.6% vs SMA20; 30D +11.1%. The long trend is broken and the stock remains under its 200-day average; The newest verified derived fourth quarter ends 2026-06-30 (filed 2026-08-27); revenue was $170.4M. Against 2025-06-30 revenue of $176.5M, that is -3.5% year over year. The news search for the latest move failed; the last completed search was on 2026-09-11. No company event for AOSL was recorded between September 24 and 28. |
Sources
- AOSL fiscal-Q4 and fiscal-2026 results — revenue, margins, earnings, cash and fiscal-Q1 outlook.
- AOSL fiscal-Q4 prepared remarks — end-market mix, advanced computing, Power ICs, customer engagements and operating disruption.
- AOSL fiscal-Q4 Form 8-K — filing receipt.
- AOSL fiscal-2025 Form 10-K — business model, manufacturing footprint and filed risks.
- AOSL{massive,edgar,news}/` — financial series and freshness receipts.
- 2026-08-23-social-search-aosl — public-discussion quality check.
- ai-power — September 23, 2026 price truth and support shelf.
- News receipt: latest (fetched 2026-09-11).
- Sector context: 2026-09-21-market-brief and 2026-09-22-market-brief.
- Scheduled-event check: 2026-11-09-aosl-earnings (scheduled); no AOSL row dated 2026-09-19 to 2026-09-23.
2026-09-28 refresh receipts
2026-09-28 settled-close receipt: *, AOSL row dated 2026-09-28; tape values above are bound to the current summary fields.
2026-09-28 financial-period check: income-statements and key-financials; newest verified 2026-06-30 period, filed 2026-08-27 (SEC XBRL FY less nine months).
2026-09-28 news receipt check: latest, fetched 2026-09-11; receipt is not current; latest-session cause remains unassigned.
2026-09-28 stock-event scan:
research/stock-events/, no AOSL row dated 2026-09-24 through 2026-09-28.2026-09-28 captured-follows scan: tweets has 0 September 24–28 document(s) tagging AOSL.
Retrospective social-search receipt (captured 2026-09-29): 2026-09-29-social-search-aosl-alpha-and-omega-semiconductor-limited; quality/attention check only, not a September 28 event or price source.
2026-09-29 browser discovery check for AOSL: news-discovery-google-sep29 (key
AOSL); search links only, not evidence of an event or of absence of news.
Correction 2026-10-09: fiscal Q2 2026 (quarter ended 2025-12-31) diluted EPS was printed $(0.44); the filed EarningsPerShareDiluted is −$0.45 (SEC 10-Q, company-facts; Massive agrees). Corrected (sibling of DEFECTS D205).