Vistra Corp. (VST) shares rose 1.6% to $142.70 as of August 19, 2026, a modest gain from the prior close of $140.52. BestStocks flagged the session as a major change for VST. The move is tied to a new SEC filing. Below, we break down what changed for VST, why it matters for investors, how the stock reacted, and the catalysts on the calendar.
What happened
SEC Filing
Vistra Corp. (VST) filed a new 10-Q on 2026-08-10, disclosing second-quarter financial results and operational details. VST earnings scheduled for 2026-11-05, with consensus EPS estimate of $2.58.
This summary describes the catalyst and move as first detected on Aug 10, 2026, 5:13 PM 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.
FilingsLow confidence
Rel. volume
—
Calculating
Vs peers
—
No comparable peers
Market cap
$48.1B
New York Stock Exchange
Analyst target
$224
+57.0% vs price
Price chart
Jul 20 – Aug 19
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 Vistra Corp. investors
For Vistra Corp. investors, the balance of recent signals points to a bullish shift. On the constructive side: Material positive event; Positive 1.6% session move. Weighing against that: Vistra Corp. (VST) fell 3.82% to $152.57 intraday following a material event disclosure in an SEC 8-K filing submitted today; New SEC filing — review for material disclosures. Wall Street's consensus price target sits at $224.00, implying +57.0% upside from $142.70. BestStocks rates the overall signal quality low (41/100). With earnings roughly 78 days out, the next report is the most likely near-term test of the move.
VST price reaction
VST last traded at $142.70, up $2.18 (+1.55%) from the previous close of $140.52. Over the past month the stock has ranged between $140.52 and $168.98, and it currently sits about 8% of the way up that band.
Bullish and bearish analyst opinions on Vistra Corp. (VST)
▲Latest catalyst·strengthens the bull case
The latest catalyst — a new SEC filing the market took well — it strengthens the bull case and confirms the prevailing bullish analyst lean.
The consensus analyst price target on Vistra Corp. (VST) is $224.00, 57.0% above the recent $142.70. Over the past 90 days analysts logged 0 upgrades, 4 maintains, and 0 downgrades. Here is how the bullish and bearish cases on VST line up.
▲ The bullish case
+Wall Street's consensus price target of $224.00 implies +57.0% upside from $142.70.
+The Street's most bullish target is $298.00 (+108.8%).
+Material positive event.
+Positive 1.6% session move.
+Vistra Corp. (VST) moved +2.72% from $162.33 to $166.74 on July 22, 2026.
▼ The bearish case
−Vistra Corp. (VST) fell 3.82% to $152.57 intraday following a material event disclosure in an SEC 8-K filing submitted today.
Bull vs bear balanceBullish Shift
BearishNeutralBullish
Weighing both sides, BestStocks' composite read of recent signals is bullish, 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 Aug 19, 2026; other aggregators may differ. High and low targets show the range of estimates, not forecasts.
Vistra Corp. (VST) moved -3.00% from $144.87 to $140.52 on 2026-08-18. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move coincided with volume 1.3x the 5-day average and marked a new 30-day low.
Material / Earnings2026-08-07-0.6%
Vistra Corp. (VST) reported EPS of $0.76 vs. $1.61 estimate for Q2 FY2026 on 2026-08-07, missing consensus by 52.8%.
Material / Earnings2026-08-05-1.9%
Vistra Corp. (VST) moved -2.99% from $144.92 to $140.58 on August 5, 2026. We checked news, earnings announcements, analyst updates, filings, and corporate actions — no company-specific catalyst was found. The move appears technical: VST reached a new 30-day low on volume near its 5-day average.
Material / Earnings2026-08-04-8.2%
Vistra Corp. (VST) moved -7.95% from $155.60 to $143.23 on 2026-08-04. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was 2.3x the 5-day average, suggesting institutional positioning ahead of the earnings announcement scheduled for 2026-08-06.
Material / Earnings2026-08-03+5.2%
Vistra Corp. (VST) moved +4.82% from $148.77 to $155.94 on 2026-08-03. We checked news, earnings announcements, analyst updates, filings, and corporate actions — no company-specific catalyst was found. The move occurred on volume near its 5-day average, three days ahead of scheduled earnings.
Material / Earnings2026-07-29-3.9%
Vistra Corp. (VST) moved -3.74% from $148.36 to $142.81 on 2026-07-29. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move coincided with a new 30-day low and modestly elevated volume (1.3x the 5-day average).
Material / Earnings2026-07-28-5.4%
Vistra Corp. (VST) moved -3.43% from $153.92 to $148.64 on 2026-07-28. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. The move coincided with modestly elevated volume (1.8x the 5-day average) and brought VST to a new 30-day low.
Material / Earnings2026-07-27-3.9%
Vistra Corp. (VST) moved -5.09% from $165.50 to $157.08 on 2026-07-27. We checked news, earnings announcements, analyst updates, SEC filings, and corporate actions — no company-specific catalyst was found. Volume was 1.5x the 5-day average, suggesting modest institutional participation in the decline.
Upcoming catalysts & outlook
Next earnings
2026-11-05 (est.)
in 78 days
10-Q Filing (est.)
2026-11-09
Medium impact
Thesis shift
Bullish Shift
bullish signal
Risk level
Medium
from change events
Frequently asked questions about VST
Why did Vistra Corp. (VST) stock move?
VST rose 1.6% to $142.70. The move is associated with a new SEC filing.
How much did VST stock rise?
VST gained 1.55% ($2.18) versus the prior close of $140.52, last trading at $142.70.
When is Vistra Corp.'s next earnings date?
VST's next earnings report is estimated for 2026-11-05 — about 78 days away.
What is the analyst price target for VST?
The consensus analyst price target for VST is $224.00, about 57.0% above the current $142.70. Over the past 90 days, analysts recorded 0 upgrades, 4 maintains, and 0 downgrades.
How BestStocks tracks VST
This page is generated automatically by BestStocks' change-detection system after a new SEC filing was detected and verified against independent data sources. It draws on 20 tracked change events for VST, cross-checked against the data sources listed below. Price, volume, and market-capitalization figures are the live intraday quote as of August 19, 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.