last trading day

last trading day definition - business

last trading day

  1. The day on which a trader must liquidate a futures position or else be required to receive (if long) or make delivery (if short). Following this day, the particular contract will cease trading.
  2. The last day on which a particular option is traded. Currently, this day is the third Friday of the expiration month.

The American Heritage® Dictionary of Business Terms Copyright © 2009 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

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