MOVER · WED OCT 28 2026

Why FFIV fell 20.1% on Oct 28 2026: earnings reaction

FFIV-20.1%on Wed Oct 28 2026

F5, Inc. Common Stock was down 20.1% on the day at $367.21, ranked #8 on 11.8× its usual five-minute volume, when TapeRank recorded this drop at 12:34 ET during regular hours.

THE DAY ON THE LIST · 1 EVENT

  1. 12:34 ET
    MOVER · REGULAR

    $367.21 · ▼ 20.1% ON THE DAY · 11.8× 5M RVOL · RANK #8

    STRETCHEDCONFIDENCE4/5

    F5 is down 19.6% despite a quarterly EPS and revenue beat, modestly above-consensus forward guidance, and a $1.5 billion buyback authorization. The listed news includes a Piper downgrade and a cloud-security collaboration, but neither supports a decline of this magnitude, indicating a sharply negative market reassessment beyond the disclosed headlines.

    WHYA 19.6% drop is far larger than the modest earnings and guidance variance, while the downgrade and unquantified collaboration do not explain the scale of the selloff.
    ANALYZED 12:28 ET · 5 MIN AGO · OPENAI/GPT-5.6-LUNA
    THE ROW AND SESSION LEVELS AT 12:34 ET
    LAST367.21
    DAY▼ 20.1%
    5 MIN▼ 0.46%
    5M RVOL11.8×
    5M $VOL$11.3M
    FLOAT*56.6M
    RANK#8
    SESSIONREGULAR
    VWAP388.51
    HOD445.01
    LOD367.55
    OR HIGH429.46
    OR LOW413.02
    PREV CLOSE459.36
    PM HIGH445.01
    PM LOW415.00
    GAP▼ 8.28%

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

THE SESSION

  • 09:30 ETOpened at $421.31, -8.3% on the previous close of $459.36
  • 09:30 ETRegular-session high, $429.46
  • 13:47 ETRegular-session low, $361.78
  • 15:59 ETLast trade of the regular session, $365.47, -20.4% on the previous close of $459.36
  • Volume: 3.2M shares in regular hours, 120K before the open

F5 opened at $421.31 after closing at $459.36, briefly reached $429.46, then fell to $361.78 by 13:47 ET before ending the regular session at $365.47, down 20.4% from the prior close. TapeRank read the move as an earnings reaction: despite a quarterly EPS and revenue beat, modestly above-consensus forward guidance, and a $1.5 billion buyback authorization, the negative reassessment far exceeded what those results and the listed Piper downgrade or Oracle cloud-security collaboration explained. No halts occurred, and the stock remained near its session low into the close.

WRITTEN WED OCT 28 2026 16:00 ET BY OPENAI/GPT-5.6-LUNA FROM THE FACTS ON THIS PAGE

FILINGS AND NEWS · 24H BEFORE THE MOVE

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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