Market Manipulation. Search

Marking the close enforcement actions

This library records 27 enforcement actions tagged marking the close. Marking the close is trading in the final minutes of a session specifically to move the closing price, which is the price that sets portfolio valuations, margin calls, index levels and derivative settlements.

Actions are listed newest first. Each row links to a case page carrying the regulator's own release and, where one was published, the complaint. For how this technique works and what statute it engages, read the marking the close technique page.

Actions
27
Total penalties
$2.2m
Median penalty
$210k
Largest
$1m
Criminal parallel
7%
Action Agency Filed Penalty Status
ASIC v. Delta Power & Energy (Vales Point) Pty Ltd (price manipulation, 2025) ASIC 2025-06-30 — filed
AMF France v. EcoR1 Capital LLC and M. Oleg Nodelman (marking the close, 2024) AMF (France) 2024-12-13 — judgment
ASIC v. COFCO International Australia Pty Ltd (marking the close, 2024) ASIC 2024-07-24 — filed
ASIC v. Interactive Brokers (marking the close, 2023) ASIC 2023-09-20 — settled
SEBI v. Aventis Biofeeds Private Limited and others (closing-session price ramp, Ruchi Soya, 2022) SEBI (India) 2022-04-29 — judgment
SEC v. Ahmad Haris Tajyar and Eric Leo Marsoubian (marking the close, 2021) SEC 2021-08-13 $220k settled
SEC v. Andrew J. Kandalepas (marking the close, 2019) SEC 2019-06-21 — judgment
SEC v. Lai Guanglin (Alan) (marking the close, 2018) SEC 2018-12-10 $400k settled
AMF France v. Soufflet Négoce (marking the close, 2018) AMF (France) 2018-07-16 — judgment
ASIC v. Interactive Brokers LLC (marking the close, 2017) ASIC 2017-12-14 — settled
AMF France v. Talence Gestion (SAS) (marking the close, 2017) AMF (France) 2017-11-30 — settled
AMF France v. Régis Lefort (marking the close, 2017) AMF (France) 2017-11-30 — settled
SEC v. Richard P. Cedrone, Steven R. Ferris and George R. Thoreson (marking the close, 2017) SEC 2017-09-05 $225k judgment
SEC v. Eric David Wanger and Wanger Investment Management, Inc. (marking the close, 2017) SEC 2017-07-10 $75k settled
SEC v. Adesh Kumar Tyagi (marking the close, 2017) SEC 2017-06-01 — settled
SEC v. Steven R. Markusen and Jay C. Cope (marking the close, 2016) SEC 2016-11-09 $200k judgment
SEC v. Chris Faulkner and others (Breitling Energy, 2016) SEC 2016-06-24 — settled
SEC v. Michael J. Ling (marking the close, 2015) SEC 2015-12-23 $100k judgment
SEC v. James Goodland and Securus Wealth Management, LLC (marking the close, 2015) SEC 2015-09-30 $30k settled
ASIC v. D J Carmichael Pty Limited (price manipulation, 2015) ASIC 2015-09-23 — settled
SEC v. Donald L. Koch and Koch Asset Management, LLC (marking the close, 2015) SEC 2015-07-20 — judgment
AMF France v. A, B, C, Exane SA and Petercam SA (marking the close, 2015) AMF (France) 2015-04-16 — judgment
SEC v. Athena Capital Research, LLC (marking the close, 2014) SEC 2014-10-16 $1m settled
AMF France v. X, Z and Y (marking the close, 2008) AMF (France) 2008-01-24 — judgment
AMF France v. Infogrames Entertainment and Natexis Bleichroeder (share buy-back and closing-price trading, 2008) AMF (France) 2008-01-16 — judgment
AMF France v. A and X (marking the close, 2006) AMF (France) 2006-12-07 — judgment
AMF France v. X, Y, A, B, C, D and E (marking the close, 2005) AMF (France) 2005-09-16 — judgment