UNEXPLAINED MOVE · MOVER · THU OCT 1 2026

CTVA down 52.3% on Oct 1 2026 with no filing that explains it

CTVA-52.3%on Thu Oct 1 2026

Corteva, Inc. Common Stock was down 52.3% on the day at $37.02, ranked #4 on 4.7× its usual five-minute volume, when TapeRank recorded this unexplained move at 04:17 ET during the pre-market session. TapeRank recorded 2 events for CTVA that day, between 04:17 and 04:20 ET, and each is in the timeline below.

THE DAY ON THE LIST · 2 EVENTS

  1. 04:17 ET
    UNEXPLAINED MOVE · PRE-MARKET

    $37.02 · ▼ 52.3% ON THE DAY · 4.7× 5M RVOL · RANK #4

    UNEXPLAINEDCONFIDENCE5/5

    CTVA is down 52.3%, with a late 5-minute rebound, but the provided filing only references an attached press release and gives no substantive event or financial detail. The move is therefore being driven by order flow in the supplied material, not an identifiable catalyst.

    WHYA 52.3% decline is vastly larger than the explanatory content of an 8-K that merely incorporates an unspecified press release.
    ANALYZED 04:17 ET · <1 MIN AGO · OPENAI/GPT-5.6-LUNA
    THE ROW AND SESSION LEVELS AT 04:17 ET
    LAST37.02
    DAY▼ 52.3%
    5 MIN▲ 7.03%
    5M RVOL4.7×
    5M $VOL$225K
    FLOAT*667.2M
    RANK#4
    SESSIONPRE-MARKET
    VWAP37.17
    HOD48.50
    LOD34.48
    OR HIGH—
    OR LOW—
    PREV CLOSE77.65
    PM HIGH48.50
    PM LOW34.48
    GAP▼ 52.32% (indicated)

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

    — MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO

  2. 04:20 ET
    MOVER · PRE-MARKET

    $36.49 · ▼ 53.0% ON THE DAY · 13.3× 5M RVOL · RANK #10

    The same verdict as at 04:17 ET.

    THE ROW AND SESSION LEVELS AT 04:20 ET
    LAST36.49
    DAY▼ 53.0%
    5 MIN▲ 5.49%
    5M RVOL13.3×
    5M $VOL$619K
    FLOAT*667.2M
    RANK#10
    SESSIONPRE-MARKET
    VWAP35.47
    HOD48.50
    LOD29.97
    OR HIGH—
    OR LOW—
    PREV CLOSE77.65
    PM HIGH48.50
    PM LOW29.97
    GAP▼ 53.01% (indicated)

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

    — MEANS THE LEVEL DID NOT EXIST YET AT THAT INSTANT, NOT ZERO

THE SESSION

  • 09:30 ETOpened at $14.44, -81.4% on the previous close of $77.65
  • 09:30 ETRegular-session high, $14.44
  • 12:35 ETRegular-session low, $11.84
  • 15:59 ETLast trade of the regular session, $12.56, -83.8% on the previous close of $77.65
  • Volume: 80.4M shares in regular hours, 3.4M before the open

CTVA opened at $14.44, already 81.4% below the previous close, and then fell to a session low of $11.84 by 12:35 ET before recovering to $12.56 at the regular-session close. There were no halts, and TapeRank found no explanation for the move: the SEC 8-K only referenced an attached press release and provided no substantive event or financial detail. TapeRank recorded the stock at $37.02 at 04:17 ET and $36.49 at 04:20 ET, with its largest recorded move at -53.0%, but the filing did not identify a catalyst for the decline.

WRITTEN THU OCT 15 2026 17:59 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
Open the full list