{"title": "Strategien mit Aktienkursindex-Instrumenten", "subjects": ["Options (Finance)", "Portfolio management", "Stock index futures", "Finance"], "key": "/works/OL4518754W", "authors": [{"type": {"key": "/type/author_role"}, "author": {"key": "/authors/OL906810A"}}], "type": {"key": "/type/work"}, "covers": [13860728], "latest_revision": 4, "revision": 4, "created": {"type": "/type/datetime", "value": "2009-12-10T06:36:27.115051"}, "last_modified": {"type": "/type/datetime", "value": "2023-04-08T05:33:43.711895"}}