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ON result

After the event it went to −1.57% at its highest, and later to −10.11% at its lowest, against the close price before analyst day.

The news wasMixed

On one side the 2030 model sits well above what the company is running at now: 12% to 14% annual revenue growth to nearly $11 billion, a 53% gross margin against about 40% this year, more than $3.5 billion of free cash flow and AI data-center revenue growing at least 50% a year to more than $2.5 billion. On the other, the addressable market was cut by $30 billion to $213 billion because Synaptics is excluded, that deal is not expected to close until mid-2027, and 53% is the same gross margin target set in 2023 and missed every year since.

Chart

onsemi used its analyst day to publish a 2030 financial model: 12% to 14% annual revenue growth to nearly $11 billion of revenue, a 53% gross margin, a 38% operating margin and more than $3.5 billion of free cash flow, with AI data-center revenue growing from about $500 million this year to more than $2.5 billion. It also cut the market it says it addresses to $213 billion from the $243 billion it gave in June, because Synaptics is excluded until that deal closes in mid-2027, and the shares fell.

What else moved the price

The card called the day crowded and named the Federal Reserve, which was right about the clash and wrong about who won it. The decision landed at 18:00 UTC, the same minute the presentation began, and the stock held its price for the next half hour before breaking two minutes after the 2030 targets were published at 18:30. The semiconductor ETF SMH closed 0.64% higher on the day, so the afternoon belonged to management rather than to the Fed. Quarterly index expiry on 18 September, which the card also flagged, falls outside the window measured here.

ON price from the signal through analyst day, in the order it happened.
PriceDate and time76.3565.8073.2013:1713:3419:5921:2618:3019:1220:001 Sept10 Sept11 Sept15 Sept16 Sept17 SeptAfter signalAfter analyst day (16 Sep 2026, 18:30 UTC)Regular sessionPre-market / After-hoursClosing price

Recorded after the event and not edited since. Past moves are not a forecast of future ones.

ONonsemi
Positive

onsemi Investor Day could reset AI growth, margin and Synaptics targets

Event passed
Investor Days
StockThe company this write-up is about, with its ticker symbol.
ON, onsemi
PriceWhere the shares traded when this write-up was made, and the exact minute that price was struck.
$72.65, 20:00 1/September/2026
Event Date And TimeWhen the event is expected. Shown in your own time zone, or in UTC if you switch the clock at the top of the page. If the exact hour is not confirmed, you only see the date.
18:00 16/September/2026
What else lands that dayOther news and events on the same day that could push the price around, and whether they help this trade, bury it, or work against it.
CrowdedThe investor day starts at the exact minute of the Fed decision and dot plot, so the afternoon move is the Fed, not anything management says.
Expected Stock ReactionWhich way we expect the share price to go after the event. Positive means it rises, Negative means it falls, Mixed means it could go either way.
Positive
Technical biasWhat the chart alone suggests, ignoring the news. Rated Bullish, Neutral or Bearish.
Bearish
ActionWhat we suggest you do before the event. Buy, Watch or Avoid.
Watch
Catalyst confidenceHow sure we are that the event happens as described. Scored out of 100. Higher means more sure.
82/100
Stock-reaction confidenceHow sure we are that the stock reacts the way we expect. Scored out of 100. Higher means more sure.
61/100

Expected price move and durationHow far the share price may move because of this event, and how long that move may last.

Options-implied moveHow big a move options traders are paying for right now. This is the market's own estimate, not ours.
±10.4%
Historical average moveHow much this stock moved on average after similar events in the past.
+3.7%
Our expected moveOur own estimate of the move, after weighing the market's estimate, the past moves and the situation now.
+5% to +9%
ImpactHow big we think that move is for this stock. Rated Low, Medium or High.
High
Estimated durationHow long the move is likely to last, such as intraday, a few trading days, or several weeks.
1-3 trading days
Priced-in levelHow much of this news the share price already reflects. Rated Low, Medium or High. The higher it is, the less room the price has left to move.
Medium
Risk levelHow much can go wrong with this idea if the event surprises. Rated Low, Medium or High.
High
Other affected StocksOther companies that could move on the same news, such as suppliers and competitors.
SYNA , NXPI , STM , MCHP , AEHR , NVDA

Company overviewHow good the company itself is, setting this event aside. Useful if you plan to hold the shares rather than trade the news.

Company qualityHow solid the business is overall. Rated Strong, Average or Weak.
Strong
GrowthHow fast the company is growing its sales and profit. Rated Low, Medium or High.
Medium
Financial healthCash, debt, cash flow and profit margins, and whether the company keeps issuing new shares. Rated Strong, Average or Weak.
Strong
ValuationWhat you pay today for what the company earns, next to its rivals and its own past. Rated Cheap, Fair or Expensive.
Fair
RiskHow much could go wrong with the business over years. Rated Low, Medium or High. This is not Risk level above, which is about this one event.
Medium
Overall outlookOur long-term view of the company. Positive, Neutral or Negative. This is not Expected Stock Reaction, which covers one event.
Positive
Best suited forThe kind of investor this stock fits, such as someone holding for years or someone who wants income.
Patient growth investors comfortable with semiconductor cycles

For information only · not financial advice.