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UNEXPLAINED MOVE · WED NOV 4 2026

Why VST fell 15.2% on Nov 4 2026: analyst downgrade

VST-15.2%on Wed Nov 4 2026

Vistra Corp. was down 15.2% on the day at $118.38, ranked #294 on 5.0× its usual five-minute volume, when TapeRank recorded this unexplained move at 10:49 ET during regular hours.

THE DAY ON THE LIST · 1 EVENT

  1. 10:49 ET
    UNEXPLAINED MOVE · REGULAR

    $118.38 · ▼ 15.2% ON THE DAY · 5.0× 5M RVOL · RANK #294

    JUSTIFIEDCONFIDENCE4/5

    Vistra is down 15.5% after KeyBanc downgraded the stock from Overweight to Sector Weight. The downgrade is a concrete negative catalyst, and the unusually large move indicates a sharply negative market reaction to the analyst action.

    WHYA one-notch analyst downgrade is meaningful but a 15.5% decline is outsized relative to the disclosed news.
    ANALYZED 10:50 ET · <1 MIN AGO · OPENAI/GPT-5.6-LUNA
    THE ROW AND SESSION LEVELS AT 10:49 ET
    LAST118.38
    DAY▼ 15.2%
    5 MIN▼ 0.76%
    5M RVOL5.0×
    5M $VOL$28.6M
    FLOAT*335.6M
    RANK#294
    SESSIONREGULAR
    VWAP124.47
    HOD139.46
    LOD118.31
    OR HIGH128.06
    OR LOW125.00
    PREV CLOSE139.59
    PM HIGH139.46
    PM LOW125.25
    GAP▼ 10.17%

    * FLOAT IS SHARES OUTSTANDING; TRUE FREE FLOAT IS NOT AVAILABLE

THE SESSION

  • 09:30 ETOpened at $125.40, -10.2% on the previous close of $139.59
  • 09:31 ETRegular-session high, $128.06
  • 10:52 ETRegular-session low, $117.27
  • 15:59 ETLast trade of the regular session, $120.26, -13.8% on the previous close of $139.59
  • Volume: 18.1M shares in regular hours, 1.0M before the open

VST opened sharply lower at $125.40, already 10.2% below the previous close, briefly rose to $128.06, then fell to $117.27 by 10:52 ET. TapeRank’s read tied the move to KeyBanc downgrading the stock from Overweight to Sector Weight, while noting that the roughly 15.5% decline was outsized relative to the disclosed analyst action; no filings or other news were found in the prior 24 hours. The stock recovered modestly into the close at $120.26, finishing the regular session 13.8% below the previous close, with no halts.

WRITTEN WED NOV 4 2026 16:01 ET BY OPENAI/GPT-5.6-LUNA FROM THE FACTS ON THIS PAGE

FILINGS AND NEWS · 24H BEFORE THE MOVE

No SEC filings or wire news in the 24 hours before this was recorded. A move on news that never reached the wire shows nothing here, which is what UNEXPLAINED means.

On the tape right now

WHERE THE LIST STOODWED NOV 4 2026 · 13:49 ETRECORDED LIVE · 742 QUALIFY

01
ECGSURGING 0:05
79.71
▼ 29.3%
▼ 1.41%
41.0×
FAD
$6.2M
51.1M*
STRETCHED
02
CAVASURGING 0:00
64.78
▲ 7.4%
▲ 1.30%
9.3×
ORBHODVWH
$11.6M
116.8M*
UNEXPLAINED
03
URGNSURGING 0:00
29.16
▼ 15.2%
▼ 1.29%
15.6×
FAD
$1.4M
48.9M*
JUSTIFIED
04
MPTISURGING 0:00
64.15
▼ 1.5%
▲ 0.96%
23.8×
VWH
$637K
4.3M*
UNEXPLAINED
05
LSPDSURGING 0:00
11.52
▲ 4.9%
▼ 1.24%
16.5×
ORB
$426K
133.3M*
UNEXPLAINED
06
CRCTSURGING 0:00
8.90
▲ 49.2%
▼ 0.72%
15.1×
GAPORBVWHEXT
$395K
54.7M*
STRETCHED
07
BROSSURGING 0:00
43.97
▲ 0.9%
▼ 0.91%
4.0×
FAD
$4.3M
137.9M*
UNEXPLAINED
08
LMRICOOLING 1:35
12.85
▲ 14.5%
▲ 1.06%
132×
ORBHODVWH
$1.7M
—
UNEXPLAINED
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