Home / Cases / Marking the close 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