# Margins (Futures trading) { "id": "S89002849", "title": "Margins (Futures trading)", "url": "/topics/S89002849", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "d00e744912b8027b", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9242591500175558150", "address_version": "morton4x16-v1", "coordinates": [ 0, 21, 14413, 33792 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on the amount an investor is required to put up when purchasing or selling a contract. Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh89002849 No owner-reviewed local answer yet.