SiTime Corporation (SITM) shares rose 3.9% to $638.32 as of September 21, 2026, a moderate gain from the prior close of $614.27. BestStocks flagged the session as a major change for SITM. Below, we break down what changed for SITM, why it matters for investors, how the stock reacted, and the catalysts on the calendar.
What happened
SITM climbed 3.9% to $638.32
SiTime Corporation shares rose 3.49% to $635.69, driven by Morgan Stanley's initiation of coverage with an Overweight rating and recognition of SITM's critical role in AI and data-center hardware, per the web catalyst. The rally reflects broader momentum around the company's precision silicon timing solutions for infrastructure, supported by recent analyst support from Benchmark and strong Q2 earnings (127% YoY revenue growth). Volume was elevated at 1.78x normal for this time of session. SITM earnings scheduled for November 4, 2026 (consensus EPS estimate $2.09); monitor for updates on Renesas integration and data-center demand trends ahead of that report.
This summary describes the catalyst and move as first detected on Sep 21, 2026, 11:13 AM EDT; the stock has continued trading since, so the current price and percentage move (shown above) may be larger or smaller than the figures here.
For SiTime Corporation investors, the recent signals are mixed, leaving the near-term picture neutral / mixed. On the constructive side: Material positive event; Positive 3.9% session move. Weighing against that: SiTime Corporation (SITM) moved -5.63% from $731.10 to $689.96 on 2026-08-10; SiTime Corporation (SITM) moved -7.80% from $612.38 to $564.59 on 2026-07-16. Wall Street's consensus price target sits at $751.43, implying +17.7% upside from $638.32. BestStocks rates the overall signal quality low (55/100). With earnings roughly 44 days out, the next report is the most likely near-term test of the move.
SITM price reaction
SITM last traded at $638.32, up $24.05 (+3.92%) from the previous close of $614.27. The session traded on 1.3× average volume (normal), so participation was unremarkable. Over the past month the stock has ranged between $548.90 and $638.32, and it currently sits about 100% of the way up that band.
Bullish and bearish analyst opinions on SiTime Corporation (SITM)
▲Latest catalyst·strengthens the bull case
The latest catalyst — a materially positive development — it strengthens the bull case and confirms the prevailing bullish analyst lean.
The consensus analyst price target on SiTime Corporation (SITM) is $751.43, 17.7% above the recent $638.32. Over the past 90 days analysts logged 0 upgrades, 2 maintains, and 0 downgrades. Here is how the bullish and bearish cases on SITM line up.
▲ The bullish case
+Wall Street's consensus price target of $751.43 implies +17.7% upside from $638.32.
+The Street's most bullish target is $900.00 (+41.0%).
+Material positive event.
+Positive 3.9% session move.
+SiTime Corporation (SITM) moved +6.31% from $555.15 to $590.18 on 2026-07-21.
▼ The bearish case
−The most bearish analyst target is $370.00 (-42.0%).
−SiTime Corporation (SITM) moved -5.63% from $731.10 to $689.96 on 2026-08-10.
Bull vs bear balanceNeutral / Mixed
BearishNeutralBullish
Weighing both sides, BestStocks' composite read of recent signals is roughly balanced, as the bull-versus-bear meter above shows. This is an educational summary of the bull and bear case, not investment advice.
Analyst price targets and ratings are FMP consensus figures as of Sep 21, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.
SiTime Corporation (SITM) moved -6.16% from $595.00 to $558.35 on 2026-09-14. The decline reflects post-earnings profit-taking following the stock's 15%+ correction from recent highs after Q2 2026 results, combined with a broader rotation out of high-multiple semiconductor and AI infrastructure stocks. Volume was 1.3x the 5-day average, consistent with deliberate selling rather than panic.
SiTime rose 6.22% to $639.75, driven by positive momentum following management's presentation at the Goldman Sachs Communacopia + Technology Conference and sustained investor enthusiasm for its precision silicon timing chips serving AI data-center infrastructure. The broader semiconductor sector is also stabilizing, benefiting high-growth AI suppliers. Volume of 183,460 shares (250 min into session) ran at 0.80x historical average, within normal range for this time of day.
SiTime Corporation (SITM) rose 6.09% to $609.47 on anticipated momentum ahead of a Goldman Sachs Communacopia + Technology Conference presentation scheduled for September 9, 2026, combined with ongoing strength in AI infrastructure demand for the company's precision timing chips. The move reflects investor confidence following recent second-quarter earnings that demonstrated strong year-over-year revenue growth driven by AI datacenter adoption.
SiTime Corporation (SITM) fell 6.06% to $563.51, cited by Google's AI Overview as connected to moves on 2026-08-28 per Yahoo Finance sources. Volume of 165,171 shares through 225 minutes into the session is 0.60x expected for this time of day—below average.
Material / Earnings2026-08-19-9.0%
SiTime Corporation (SITM) moved -9.55% from $684.03 to $618.71 on 2026-08-19. We checked news, earnings, analyst updates, filings, and corporate actions — no company-specific catalyst was identified. Volume was near its 5-day average at 1.3x, suggesting the move occurred without unusual trading activity.
SiTime Corporation rose 4.15% to $741.48, driven by sustained momentum from its Q2 2026 earnings beat (revenue +127% YoY to $157.4M) and strong AI infrastructure demand for precision timing chips, according to the web catalyst summary. The Renesas timing product integration has expanded the portfolio and boosted Q3 guidance, while analyst upward revisions to earnings estimates have sustained buyer interest. Volume remains below average at 0.62x expected.
Material / Earnings2026-08-11-3.3%
SiTime Corporation (SITM) moved -5.04% from $702.47 to $667.10 on 2026-08-11. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move occurred on light volume (45% of the 5-day average), suggesting limited institutional participation.
Risk2026-08-10-4.9%
SiTime Corporation (SITM) moved -5.63% from $731.10 to $689.96 on 2026-08-10. We checked news, earnings, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was near its 5-day average, suggesting the move was not driven by unusual trading activity.
Upcoming catalysts & outlook
Next earnings
2026-11-04 (est.)
in 44 days
10-Q Filing (est.)
2026-11-05
Medium impact
Thesis shift
Neutral / Mixed
bullish signal
Risk level
High
from change events
Frequently asked questions about SITM
Why did SiTime Corporation (SITM) stock move?
SITM rose 3.9% to $638.32. The move coincided with the context summarized above, though no single company-specific catalyst was independently confirmed.
How much did SITM stock rise?
SITM gained 3.92% ($24.05) versus the prior close of $614.27, last trading at $638.32 on 1.3× average volume.
When is SiTime Corporation's next earnings date?
SITM's next earnings report is estimated for 2026-11-04 — about 44 days away.
What is the analyst price target for SITM?
The consensus analyst price target for SITM is $751.43, about 17.7% above the current $638.32. Over the past 90 days, analysts recorded 0 upgrades, 2 maintains, and 0 downgrades.
How BestStocks tracks SITM
This page is generated automatically by BestStocks' change-detection system after its price and volume cleared SITM-specific materiality thresholds, triggering an evidence check. It draws on 20 tracked change events for SITM, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of September 21, 2026 and refresh as new information is detected; 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.
