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NASDAQ · Historical Data

Constellation Energy (CEG) Historical Prices & Returns

Daily CEG open, high, low, close, volume rows through the latest completed session. Returns, range, and realised volatility exclude an unfinished bar while the cash session is open.

Last confirmed price
$279.54-5.49%
Oct 14, 2026, 4:00 PM EDT · Prices may be delayed
Market cap · calculated
$99.04B
Oct 14, 2026 · Valuation and sources

Data dates

Prices as of Oct 14, 4:00 PM EDT · Fundamentals checked Oct 14, 3:48 PM EDT · Statement period ended Jun 30, 2026

Available-period price return
-26.79%
2025-10-09 → 2026-10-14 · change in displayed closes
Range high
$410.41
Range low
$228.28
Realised vol (annualised)
49%
σ of daily log returns × √252

Range context

Off the highs.

The latest quote is 28% of the way from the reported 52-week low ($228.63) to the high ($412.70). The completed-session price return is -26.79% from Oct 9, 2025 to Oct 14, 2026.

Last 30 sessions

DateOpenHighLowCloseReturnVolume
$293.00$294.50$277.83$278.98-5.68%3,347,441Session volume
$288.34$298.50$286.13$295.79+0.65%2,292,400
$300.10$301.77$290.40$293.89-1.40%2,631,100
$288.06$300.98$286.83$298.07+4.56%4,207,600
$298.21$306.99$280.16$285.07-4.85%6,503,600
$290.42$299.95$286.40$299.59-0.27%7,390,200
$291.11$309.80$291.00$300.40+12.25%13,482,700
$259.51$271.19$257.70$267.62+3.93%3,520,100
$263.79$265.69$249.05$257.49-0.55%3,670,500
$261.51$271.00$256.24$258.92+1.93%4,212,100
$261.73$263.71$247.20$254.02-3.99%4,445,800
$261.73$270.11$261.22$264.58+1.59%1,879,900
$261.75$262.66$257.38$260.43-1.08%2,124,900
$262.00$266.38$260.43$263.27+0.63%1,928,800
$261.70$263.83$258.50$261.62-0.86%1,685,900
$261.92$264.23$258.11$263.88+0.16%2,983,100
$263.66$266.27$259.61$263.46+0.52%2,482,300
$256.38$265.85$250.55$262.11+2.91%3,398,800
$260.25$262.42$254.56$254.71-3.08%6,538,500
$264.87$269.40$259.32$262.80+1.26%3,418,600
$262.60$263.26$254.71$259.53-0.14%2,740,800
$265.80$266.88$259.61$259.89-1.77%2,957,000
$276.52$276.52$264.32$264.57-7.09%3,706,900
$290.58$291.30$284.08$284.75-0.43%1,719,500
$290.16$294.84$285.82$285.97-2.70%2,351,200
$296.70$298.08$292.75$293.90-1.72%2,244,400
$304.00$305.80$296.63$299.05+0.03%3,830,600
$284.04$299.73$284.04$298.96+4.88%2,896,300
$292.40$296.62$282.25$285.05-1.72%3,137,200
$280.00$290.81$277.88$290.04+3.47%2,929,000

Showing 30 of 255 completed sessions.

Download all 255 sessions · CSV

Yahoo Finance · Provider-reported; adjustment basis unspecified. Change between displayed closing observations; dividend treatment follows the stated adjustment basis. The 2026-10-14 volume is the quote session volume (3,347,441), the same figure as the quote. The chart series recorded 2,321,037 for that session and is not shown as a second volume.

Frequently asked

Questions about this quote

What CEG historical data does TECHi show?

TECHi shows dated Constellation Energy closing prices, with high, low, volume, dividend, and split columns whenever those values are available for the session.

How does TECHi calculate CEG returns and volatility?

Returns use the displayed closing prices. Realised volatility is calculated only when enough dated observations exist, using the annualised standard deviation of daily log returns.

How current is the CEG price history?

The CEG table runs through the most recent completed trading session. While the cash session is open, today's unfinished bar is shown separately and is left out of returns, volatility, and the daily table.

How much CEG history is included?

The table and summary use only the sessions delivered in the displayed series; TECHi does not infer older prices or fill missing dates.

All data sources

Search the dated figures used for this view. Each entry identifies its units, reporting period and calculation status.

What this page answers

Put the current move into long-range context.

Explore Drawdowns, period returns, volatility clusters, and dated price ranges.

Keep in mind Recent corporate actions or sparse observations distort the displayed baseline.

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After hours

Regular hours: 9:30 AM–4:00 PM America/New_York

Next open: 2026-10-15 · 9:30 AM America/New_York

Exchange calendar includes scheduled holidays and early closes. Extended-session prices appear separately only when supplied by the quote source.