Market open · Delayed intraday data · 10:08 AM ET
Last update: Aug 24, 2026, 10:08 AM ET
ON Semiconductor Corporation
$74.21 0.67% at Aug 21 close
Market Open

Why ON Semiconductor Corporation (ON) stock moved

Updated Aug 21, 2026

ON Semiconductor Corporation (ON) shares fell 0.7% to $74.21 at the August 21, 2026 close, a slight decline from the prior close of $74.71. That close is the latest confirmed price for ON; a live quote was not available. BestStocks flagged the session as a major change for ON. The move is tied to price move down. Below, we break down what changed for ON, why it matters for investors, how the stock reacted, and the catalysts on the calendar.

What happened

ON fell 0.7% to $74.21

ON fell 0.7% in its latest session, moving from $74.71 to $74.21.

Material / EarningsWeak confidence
Rel. volume
Calculating
Vs peers
No comparable peers
Market cap
Earnings in
Price chart
Aug 24
Not enough price data.
E earnings
F filing
A analyst
V/N other
click a marker to highlight
Change events — click to jump to details

What it means for ON Semiconductor Corporation investors

For ON Semiconductor Corporation investors, the recent signals add up to a bearish shift. On the constructive side: ON moved +3.44% from its $75.73 open to a $78.33 close on 2026-08-06; ON Semiconductor Corporation (ON) moved +5.03% from $86.70 to $91.06 on 2026-07-21. Weighing against that: Material negative event; Negative session, down 0.7%. BestStocks rates the overall signal quality weak (28/100).

ON price reaction

ON last traded at $74.21, down $0.50 (-0.67%) from the previous close of $74.71.

The bull and bear case for ON stock

Weighing the constructive signals against the risks, here is how the bull and bear case for ON Semiconductor Corporation (ON) lines up on the latest data.

The bullish case

  • ON moved +3.44% from its $75.73 open to a $78.33 close on 2026-08-06.
  • ON Semiconductor Corporation (ON) moved +5.03% from $86.70 to $91.06 on 2026-07-21.

The bearish case

  • Material negative event.
  • Negative session, down 0.7%.
  • ON Semiconductor fell 3.52% to $77.94 in intraday trading with volume at 1.12x normal levels for this time of session.
  • ON Semiconductor Corporation (ON) moved -5.83% from $95.96 to $90.37 on 2026-07-13.
Bull vs bear balanceBearish Shift
BearishNeutralBullish

Weighing both sides, BestStocks' composite read of recent signals is bearish, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.

Analyst expectations
No analyst data available
SEC filings watch
No recent filings
Peer context
ON-0.7%

Previous notable changes for ON

Activity2026-08-06
ON moved +3.44% from its $75.73 open to a $78.33 close on 2026-08-06.
Risk2026-08-05via 247wallst.com
ON Semiconductor fell 3.52% to $77.94 in intraday trading with volume at 1.12x normal levels for this time of session. No specific company catalyst or market-moving news was identified in available sources; the decline occurred amid trading that remained within typical daily activity patterns.
Activity2026-08-04
ON Semiconductor Corporation (ON) moved -4.35% from $84.30 to $80.63 on 2026-08-04. We checked news, earnings, analyst updates, filings, and corporate actions — no company-specific catalyst was found. The move occurred on elevated volume (2.2x the 5-day average) and underperformed peers by 11.3 percentage points while the peer group averaged +6.91%.
Filings2026-08-03
ON Semiconductor Corporation (ON) filed a new 8-K on August 3, 2026. The filing details were not disclosed in available sources.
Upcoming catalysts & outlook
Next earnings
Unknown
Thesis shift
Bearish Shift
bearish signal
Risk level
High
from change events

Frequently asked questions about ON

Why did ON Semiconductor Corporation (ON) stock move?

ON fell 0.7% to $74.21. No single company-specific catalyst was confirmed during the move window, and it looks technical.

How much did ON stock fall?

ON lost 0.67% ($0.50) versus the prior close of $74.71, last trading at $74.21.

How BestStocks tracks ON

This page is generated automatically by BestStocks' change-detection system after price move down was detected and verified against independent data sources. It draws on 20 tracked change events for ON, cross-checked against the data sources listed below. A live intraday quote was not available, so price and volume figures are the confirmed end-of-day close from August 21, 2026 — not the current price — and the percentage move is that session's. They refresh once live quotes resume. For companies with multiple share classes, market-cap figures can differ by data source. Analyst price targets and ratings are FMP consensus. This is an educational summary of what changed and why — not personalized investment advice.

Data sources
FMP real-time & historical price dataSEC EDGAR filingsFMP earnings & estimates
Educational research tool — not personalized investment advice. Data may be delayed.