{"version":"1.0","type":"card","id":"65b4b0fc-d5d6-4325-8bb2-9fa316b6b9bd","url":"https://stacklist.com/card/65b4b0fc-d5d6-4325-8bb2-9fa316b6b9bd","title":"What Is an Expiration Date — and Why Time Decay Matters","source_url":"https://investmentcurrent.com/options-trading-glossary/#E","note":"Every option has an expiration date — past that date, the contract loses all value if it hasn't been exercised or sold. Time decay accelerates as expiration approaches, which is why understanding it matters as much as picking the right direction. This is the mechanic behind IC's 0DTE trading approach, where managing time pressure is built into the method. \n","image":{"url":"https://ucarecdn.com/6b98e7e8-3a08-4899-b6a4-afb9c64e5852/","alt":"What Is an Expiration Date — and Why Time Decay Matters","width":1080,"height":1080},"stack":{"id":"052375be-d16e-4ba2-bf89-29ac1a528507","title":"From Zero to Trader: Options Basics","url":"https://stacklist.com/stack/052375be-d16e-4ba2-bf89-29ac1a528507"},"created_at":"2026-06-02T10:50:07.121Z","updated_at":null,"aco":{"summary":"Options Trading Glossary provides comprehensive definitions of key terms and concepts used in options trading, including pricing mechanisms, trading strategies, and market indicators. The glossary covers essential vocabulary from basic concepts like ask price and bid price to complex strategies such as butterfly spreads and calendar spreads.","tags":["options-trading","glossary","financial-terms","derivatives","trading-strategies","market-terminology"],"key_entities":[{"name":"Options Clearing Corporation (OCC)","type":"organization","confidence":0.95},{"name":"Call Option","type":"concept","confidence":0.98},{"name":"Put Option","type":"concept","confidence":0.98},{"name":"Strike Price","type":"concept","confidence":0.97},{"name":"At-the-Money","type":"concept","confidence":0.96},{"name":"Butterfly Spread","type":"concept","confidence":0.94},{"name":"Average True Range (ATR)","type":"concept","confidence":0.93},{"name":"Bid/Ask Spread","type":"concept","confidence":0.96}],"classification":"reference","language":"en","confidence":0.85,"provenance":{"model":"claude-haiku-4-5","tool":"@stacklist/be@0.1.0","confidence":0.85,"timestamp":"2026-06-02T10:50:12.319Z"},"token_counts":{"approximate":11073,"cl100k":8886},"content_hash":"sha256:e84261b8f4e6488c7fad42769ccac4c6ba0164b1952bf2781aa2ed0137ec9201","acp_version":"0.2","body_available":true,"body_tokens":11073,"visibility":"public","agent_accessible":true,"status":"final"},"_links":{"self":"/api/public/card/65b4b0fc-d5d6-4325-8bb2-9fa316b6b9bd.json","html":"https://stacklist.com/card/65b4b0fc-d5d6-4325-8bb2-9fa316b6b9bd","md":"/api/public/card/65b4b0fc-d5d6-4325-8bb2-9fa316b6b9bd.md","stack_json":"/api/public/stack/052375be-d16e-4ba2-bf89-29ac1a528507.json"}}