Mark to market
Marking to market is valuing a position at current market prices. Because it converts a price into reported profit, collateral and margin, anyone whose compensation depends on the mark has a motive to influence the price used.
Where does mark to market come up?
This term is used in the following manipulation techniques, each explained in full on its own page.
Enforcement actions involving these techniques
| Action | Agency | Filed | Technique | Penalty | Status |
|---|---|---|---|---|---|
| SEC v. Canaccord Genuity LLC (marking the close, 2026) | SEC | 2026-03-06 | Marking The Close , Marking The Open +2 | — | settled |
| SEC v. Ahmad Haris Tajyar and Eric Leo Marsoubian (marking the close, 2021) | SEC | 2021-08-13 | Marking The Close , Matched Orders +1 | $220k | settled |
| SEC v. Andrew J. Kandelapas (marking the close, 2019) | SEC | 2019-06-21 | Marking The Close | — | judgment |
| SEC v. Lai Guanglin (Alan) (marking the close, 2018) | SEC | 2018-12-10 | Marking The Close , Price Manipulation | — | settled |
| SEC v. Richard P. Cedrone, Steven R. Ferris and George R. Thoreson (marking the close, 2017) | SEC | 2017-09-05 | Marking The Close | $75k | judgment |