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Jun 26, 2026
Why Is ON Semiconductor Corporation (ON) Stock Down -21.66% Today?

Why Is ON Semiconductor Corporation (ON) Stock Down -21.66% Today?

Key Takeaways

  • ON Semiconductor Corporation (ON) shares plunged more than 21% in today’s trading session amid heavy volume.
  • The primary catalyst was the company’s announcement of a $7 billion all-stock acquisition of Synaptics.
  • Investors reacted negatively to the deal’s potential dilution and shift away from the company’s data center focus.
  • The move occurred against a backdrop of mixed semiconductor sector performance.
  • Traders are now monitoring integration details, earnings outlook, and any regulatory feedback on the transaction.

Opening Summary

ON Semiconductor Corporation (ON) is a leading supplier of power and analog semiconductors used in automotive, industrial, and communications applications. The stock fell sharply today, declining approximately 21.66% from the previous session’s close of $118.74. The decline followed the announcement of a major acquisition and reflected investor concerns over dilution and strategic fit.

Acquisition Announcement

ON Semiconductor revealed plans to acquire Synaptics in a $7 billion all-stock transaction. The deal aims to expand the company’s presence in edge artificial intelligence and human-machine interface technologies. While the transaction broadens ON’s portfolio, market participants viewed the all-stock structure as dilutive to existing shareholders and questioned the strategic alignment with ON’s core data-center growth initiatives.

Market Reaction and Trading Activity

Volume surged well above average levels as shares traded down sharply from the opening bell. The decline outpaced broader semiconductor peers and sector ETFs, indicating the move was driven primarily by company-specific news rather than sector-wide sentiment. Technical support levels were decisively broken, with the stock falling below recent trading ranges.

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What Comes Next for ON

Investors will focus on the timeline and terms of the Synaptics integration, potential cost synergies, and any updates to ON’s earnings guidance. Regulatory reviews of the transaction and upcoming quarterly results will also be key milestones. Risks include execution challenges and ongoing volatility in the semiconductor sector.

The information on this webpage is provided for general informational and educational purposes only and is not intended as investment advice, a recommendation to purchase or sell any security, or an offer or solicitation related to investments. It does not consider your personal financial situation, goals, or risk profile, and all investing carries inherent risks, including the possibility of losing your entire investment. For more details, please review our full disclaimer.

Disclaimers and Limitations

Related Ticker: ON

Aroon Indicator for ON shows an upward move is likely

ON's Aroon Indicator triggered a bullish signal on June 12, 2026. Tickeron's A.I.dvisor detected that the AroonUp green line is above 70 while the AroonDown red line is below 30. When the up indicator moves above 70 and the down indicator remains below 30, it is a sign that the stock could be setting up for a bullish move. Traders may want to buy the stock or look to buy calls options. A.I.dvisor looked at 238 similar instances where the Aroon Indicator showed a similar pattern. In of the 238 cases, the stock moved higher in the days that followed. This puts the odds of a move higher at .

Price Prediction Chart

Technical Analysis (Indicators)

Bullish Trend Analysis

The Stochastic Oscillator suggests the stock price trend may be in a reversal from a downward trend to an upward trend. of 61 cases where ON's Stochastic Oscillator exited the oversold zone resulted in an increase in price. Tickeron's analysis proposes that the odds of a continued upward trend are .

The Momentum Indicator moved above the 0 level on June 25, 2026. You may want to consider a long position or call options on ON as a result. In of 92 past instances where the momentum indicator moved above 0, the stock continued to climb. The odds of a continued upward trend are .

Following a +1 3-day Advance, the price is estimated to grow further. Considering data from situations where ON advanced for three days, in of 311 cases, the price rose further within the following month. The odds of a continued upward trend are .

Bearish Trend Analysis

The 10-day RSI Indicator for ON moved out of overbought territory on June 05, 2026. This could be a bearish sign for the stock. Traders may want to consider selling the stock or buying put options. Tickeron's A.I.dvisor looked at 32 similar instances where the indicator moved out of overbought territory. In of the 32 cases, the stock moved lower in the following days. This puts the odds of a move lower at .

The Moving Average Convergence Divergence Histogram (MACD) for ON turned negative on June 05, 2026. This could be a sign that the stock is set to turn lower in the coming weeks. Traders may want to sell the stock or buy put options. Tickeron's A.I.dvisor looked at 58 similar instances when the indicator turned negative. In of the 58 cases the stock turned lower in the days that followed. This puts the odds of success at .

Following a 3-day decline, the stock is projected to fall further. Considering past instances where ON declined for three days, the price rose further in of 62 cases within the following month. The odds of a continued downward trend are .

ON broke above its upper Bollinger Band on May 26, 2026. This could be a sign that the stock is set to drop as the stock moves back below the upper band and toward the middle band. You may want to consider selling the stock or exploring put options.

Fundamental Analysis (Ratings)

The Tickeron PE Growth Rating for this company is (best 1 - 100 worst), pointing to outstanding earnings growth. The PE Growth rating is based on a comparative analysis of stock PE ratio increase over the last 12 months compared against S&P 500 index constituents.

The Tickeron Price Growth Rating for this company is (best 1 - 100 worst), indicating steady price growth. ON’s price grows at a higher rate over the last 12 months as compared to S&P 500 index constituents.

The Tickeron Profit vs. Risk Rating rating for this company is (best 1 - 100 worst), indicating well-balanced risk and returns. The average Profit vs. Risk Rating rating for the industry is 63, placing this stock slightly better than average.

The Tickeron Seasonality Score of (best 1 - 100 worst) indicates that the company is fair valued in the industry. The Tickeron Seasonality score describes the variance of predictable price changes around the same period every calendar year. These changes can be tied to a specific month, quarter, holiday or vacation period, as well as a meteorological or growing season.

The Tickeron Valuation Rating of (best 1 - 100 worst) indicates that the company is fair valued in the industry. This rating compares market capitalization estimated by our proprietary formula with the current market capitalization. This rating is based on the following metrics, as compared to industry averages: P/B Ratio (7.003) is normal, around the industry mean (21.579). P/E Ratio (96.728) is within average values for comparable stocks, (328.644). Projected Growth (PEG Ratio) (0.435) is also within normal values, averaging (2.068). ON has a moderately low Dividend Yield (0.000) as compared to the industry average of (0.013). P/S Ratio (8.787) is also within normal values, averaging (60.360).

The Tickeron SMR rating for this company is (best 1 - 100 worst), indicating weak sales and an unprofitable business model. SMR (Sales, Margin, Return on Equity) rating is based on comparative analysis of weighted Sales, Income Margin and Return on Equity values compared against S&P 500 index constituents. The weighted SMR value is a proprietary formula developed by Tickeron and represents an overall profitability measure for a stock.

Notable companies

The most notable companies in this group are NVIDIA Corp (NASDAQ:NVDA), Taiwan Semiconductor Manufacturing Company Ltd (NYSE:TSM), Broadcom Inc. (NASDAQ:AVGO), Micron Technology (NASDAQ:MU), Advanced Micro Devices (NASDAQ:AMD), Intel Corp (NASDAQ:INTC), Texas Instruments (NASDAQ:TXN), Marvell Technology (NASDAQ:MRVL), QUALCOMM (NASDAQ:QCOM), Analog Devices (NASDAQ:ADI).

Industry description

The semiconductor industry manufacturers all chip-related products, including research and development. These chips are used in innumerable electronic devices, including computers, cell phones, smartphones, and GPSs. Intel Corporation, NVIDIA Corp., and Broadcomm are some of the prominent players in this industry. Semiconductor companies usually tend to do well during periods of healthy economic growth, thereby inducing further research and development in the industry – which in turn augurs well for productivity and growth in the economy. In the near future, demand for semiconductor products (and possibly innovation within the segment) should only expand further, with the proliferation of 5G, autonomous vehicles, IoT, and various AI-driven electronics set to herald a new, advanced chapter in the technology-driven world as we know it. With burgeoning prospects comes great competition. In 2015, SIA estimated that U.S. semiconductor industry ranks as the second most competitive U.S. industry out of 2882 U.S. industries designated manufacturers by the U.S. Census Bureau.

Market Cap

The average market capitalization across the Semiconductors Industry is 194.88B. The market cap for tickers in the group ranges from 13.43K to 4.74T. NVDA holds the highest valuation in this group at 4.74T. The lowest valued company is CYBL at 13.43K.

High and low price notable news

The average weekly price growth across all stocks in the Semiconductors Industry was -7%. For the same Industry, the average monthly price growth was -8%, and the average quarterly price growth was 91%. UMC experienced the highest price growth at 15%, while CBRS experienced the biggest fall at -28%.

Volume

The average weekly volume growth across all stocks in the Semiconductors Industry was -46%. For the same stocks of the Industry, the average monthly volume growth was -20% and the average quarterly volume growth was 129%

Fundamental Analysis Ratings

The average fundamental analysis ratings, where 1 is best and 100 is worst, are as follows

Valuation Rating: 63
P/E Growth Rating: 44
Price Growth Rating: 41
SMR Rating: 76
Profit Risk Rating: 63
Seasonality Score: 23 (-100 ... +100)
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a manufacturer of semiconductors

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