Close on Sep 18, 2026. Page updated Sep 19, 9:17 pm ET.
Vistra closes at $140.67, down 2% on the day and below both its 50-day ($147.46) and 200-day ($156.43) averages, with the 50-day under the 200-day. Over the past year the stock is down 32.5%, including a 14.1% decline over three months and 16% over six months. The GekkoIndex reads 60.7, placing it in the Accumulation zone, and price sits 13.1% below Gekko Fair Value of $161.95.
Coverage this week centers on Vistra's role as a power supplier to data centers amid rising AI-driven electricity demand, following Q2 2026 results that showed Adjusted EBITDA of nearly $1.8 billion, up more than 30% year-over-year. Commentary compares Vistra's diversified generation mix of natural gas, nuclear, solar and coal to peers such as Constellation Energy, and references existing agreements with Amazon Web Services, Meta Platforms, and Helix Digital Infrastructure. Seaport Global raised its price target on Vistra to $226 from $223 while maintaining a Buy rating, part of broader analyst attention following the earnings report.
Looking ahead, Vistra's next earnings date falls on 5 November 2026, 46 days out and beyond a typical 20-trading-day holding window. In the last 90 days there were 3 open-market insider purchases, and the last 30 days show 3 unusual options signals, with call premium of $13.8 million against put premium of $202,900. Seasonally, the next 20 trading days averaged an 8% gain over 5 years, rising in 2 of them — a mixed pattern worth noting.
Written by AI and checked automatically against the figures on this page. Generated Sep 20, 2026 from the data above.
Vistra scores 4 supportive, 1 mixed and 1 headwind across the 6 checklist items with data.
Six things swing traders check before a 20-day hold, read from the latest data.
4 supportive1 mixed1 headwind
Below 50 and 200-day
Close $140.67 is below the 50-day ($147.46) and 200-day ($156.43) averages, and the 50-day is below the 200-day.
See the chart60.7, Accumulation
Reading 60.7 is in the Accumulation zone.
See the GekkoIndex13.1% below
Price is 13.1% below Gekko Fair Value (more than 5% below).
See fair valueLeans bullish
Last 90 days: 3 open-market insider purchases. Last 30 days: 3 unusual options signals.
See smart moneyReports in 46 days
Next report Nov 5, 2026, 46 days away — outside a typical 20-trading-day hold.
See earnings+8.0% on average
From this point in the calendar, the next 20 trading days averaged +8% over 5 years, rising in 2 of them.
See seasonalityA description of current data, not a recommendation. How this page works
Vistra closed at $140.67 on Sep 18, 2026, −32.5% over the past year, inside a 52-week range of $132.66 to $219.82.
Use the left and right arrow keys to read daily values.
Put VST on a Gekko watchlist and see its GekkoIndex, Gekko Fair Value and smart money signals update on the chart as they change.
Vistra supplies electricity and natural gas to homes, businesses and industrial users, while also generating power on a large scale. It serves customers across 20 U.S. states and the District of Columbia, and its work spans wholesale energy trading, fuel production, fuel logistics and the management of commodity risk. The company is recognized for the breadth of its generation fleet, which draws on natural gas, nuclear, coal, solar and battery storage.
Its operations are divided into six segments: Retail, Texas, East, West, Sunset and Asset Closure. Through these, Vistra reaches roughly 4.3 million customers and runs generation capacity of about 38,700 megawatts, combining retail supply with large-scale power production and related energy services.
The company traces its history back to 1882 and took the Vistra Corp. name in July 2020, having previously operated as Vistra Energy Corp. It is headquartered in Irving, Texas, and its shares are listed on the NYSE under the ticker VST.
Vistra’s GekkoIndex — Gekko’s 0 to 100 smart money score — reads 60.7, in the Accumulation zone, up 5.8 points over five sessions.
Up 5.8 points over five sessions, from the Neutral zone.
Reading for Sep 18, 2026
| Zone | Readings | 5 days | 20 days | ||
|---|---|---|---|---|---|
| Buying | 7 | Too few readings yet | |||
| Accumulation (current zone) | 215 | +1.5% | +5.0% | ||
| Neutral | 373 | +0.7% | +4.0% | ||
| Distribution | 56 | +3.2% | +11.5% | ||
| Selling | 11 | +5.8% | +19.2% | ||
Average VST share-price change over the trading days after each daily reading in its GekkoIndex history. Across every stock Gekko tracks, Accumulation readings averaged +2.3% over 20 days. Past behaviour doesn’t guarantee future results.
Accumulation zone: Institutional interest building. About the five zones →
Vistra trades 13.1% below Gekko Fair Value of $161.95, so the shares are undervalued on Gekko’s estimate.
Gekko’s own estimate of what Vistra shares are worth, recalculated every trading day.
$161.95
Gekko Fair Value, Sep 19, 2026
13.1% Undervalued
Insiders filed 3 open-market purchases in Vistra worth $1.17M, and no Congress trades were disclosed, in the last 90 days.
Plus buybacks, unusual options and fund positions, each dated to when it became public.
$1.17Min 3 open-market purchases
| Filed | Insider | Type | Value |
|---|---|---|---|
| Sep 2 | BURKE JAMES A director, officer: President and CEO | Purchase | $604K |
| Sep 2 | BURKE JAMES A director, officer: President and CEO | Purchase | $299K |
| Aug 24 | BURKE JAMES A director, officer: President and CEO | Purchase | $270K |
From Form 4 filings, dated to when each was filed.
No trades in VST were disclosed by members of Congress in the last 90 days.
From congressional disclosures, which report amounts as ranges.
Vistra has been buying back its own shares.
From company filings.
3signals, 99% of the flagged premium in calls.
Latest: Bullish flow on Sep 4, $10.42M in unusual premium.
2of the funds Gekko tracks hold VST.
Vistra reports on Nov 5, 2026 (46 days away), and beat the EPS estimate in 4 of its last 8 reports.
Nov 5, 2026
46 days away
| Reported | EPS | Revenue | Move |
|---|---|---|---|
| Aug 7, 2026 | $1.80 est $1.54 | $4.02B est $5.46B | +1.1% |
| May 7, 2026 | $2.87 est $1.32 | $5.64B est $5.22B | −6.7% |
| Feb 26, 2026 | $0.54 est $2.31 | $4.58B est $5.79B | −0.8% |
| Nov 6, 2025 | $1.75 est $2.08 | $4.97B est $6.11B | +0.9% |
| Aug 6, 2025 | $0.81 est $0.88 | $4.25B est $4.74B | −1.9% |
| May 8, 2025 | −$0.93 est $0.54 | $5.17B est $4.55B | −2.7% |
| Feb 27, 2025 | $1.14 est $0.85 | $7.36B est $3.91B | −9.8% |
| Nov 7, 2024 | $5.25 est $1.26 | $5.53B est $5.01B | +12.5% |
“Move” is the close of the first session after the report compared with the close of the last session before it, so it reads the same whether the company reported before the open or after the close.
Analysts’ average 12-month price target for Vistra is $217.58, +54.7% from the last close, from 14 firms rating the stock in the last 90 days.
Each firm’s latest rating in the last 90 days: 14 firms.
| Date | Firm | Target | vs price |
|---|---|---|---|
| Sep 18 | Morgan Stanley | $227 | +61.4% |
| Sep 1 | Wells Fargo | $212 | +50.7% |
| Aug 24 | Mizuho Securities | $169 | +20.1% |
| Aug 21 | Morgan Stanley | $227 | +61.4% |
| Aug 19 | Exane BNP Paribas | $255 | +81.3% |
Gekko doesn’t publish price predictions. These are analyst targets and historical base rates, which don’t guarantee future results.
Over the next 20 trading days from Sep 19, Vistra averaged +8.0% across the last 5 years, rising in 2 of them.
| Window | Average | Years higher |
|---|---|---|
| Next 5 trading days | +2.9% | 1 of 5 |
| Next 10 trading days | +2.3% | 1 of 5 |
| Next 15 trading days | +2.4% | 2 of 5 |
| Next 20 trading days | +8.0% | 2 of 5 |
| Next 30 trading days | +5.8% | 2 of 5 |
For scale, VST’s typical 20-trading-day move in either direction is about 6.9%.
Vistra’s market cap is $47.43B, with a P/E ratio of 24.2 and revenue of $19.21B over the last twelve months.
Coverage of Vistra this week reads positive: 5 positive, 4 neutral and 3 negative headlines.
Vistra’s 6 largest industry peers by market value, with today’s move, GekkoIndex zone and gap to Gekko Fair Value.
| Stock | GekkoIndex zone | vs Fair Value |
|---|---|---|
| NEENextEra Energy | Buying | 23.4% below |
| SOSouthern | Buying | 8.1% above |
| DUKDuke Energy | Accumulation | 14.0% above |
| CEGConstellation Energy | Accumulation | 2.8% below |
| AEPAmerican Electric Power | Buying | 3.7% above |
| DDominion Energy | Accumulation | 8.5% below |
A peer links to its own page where one exists.
Vistra’s market cap is $47.43B at the Sep 18, 2026 close of $140.67, with 335.6M shares outstanding. The shares trade on a P/E ratio of 24.2.
The consensus analyst 12-month price target for Vistra is $217.58, +54.7% from the last close. Of the 14 firms that rated the stock in the last 90 days, 14 rate it a buy, 0 a hold and 0 a sell. Gekko doesn’t publish price predictions of its own.
On Gekko’s estimate Vistra is undervalued: the Sep 18, 2026 close of $140.67 is 13.1% below Gekko Fair Value of $161.95. Gekko Fair Value is recalculated every trading day, and a gap inside 5% either way counts as about fair value.
Vistra is expected to report on Nov 5, 2026 (46 days away). Analysts expect earnings of $2.88 per share on revenue of $7.15B. Vistra beat the earnings estimate in 4 of its last 8 reports, moving 4.6% on average across the report.
Vistra’s 52-week high is $219.82 and its 52-week low is $132.66; it closed at $140.67 on Sep 18, 2026, −32.5% over the past year.
Gekko describes the data; it does not make buy or sell recommendations. On the swing-trade checklist, 4 of the 6 items with data read as supportive (gekkoindex, fair value, smart money and earnings risk), 1 as mixed (seasonality) and 1 as a headwind (trend). The checklist is a description of current data, not a recommendation.
Gekko flagged 3 unusual options signals in Vistra over the last 30 days, with $13.83M of flagged premium in calls and $203K in puts. The latest, bullish flow, was on Sep 4, 2026 with $10.42M in unusual premium. The signal-by-signal table is in Gekko.
Prices and signals update after every US market close; the GekkoIndex, Gekko Fair Value and the checklist are Gekko’s own, and the Gekko Brief is written by AI from this page’s data and checked against it before it is published. How Gekko’s data works →
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