{"id":"W4242730849","doi":"10.2139/ssrn.1363934","title":"Option Trading: Information or Speculation?","year":2009,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Economic Policies and Impacts","field":"Economics, Econometrics and Finance","cited_by":0,"is_retracted":false,"has_abstract":false,"ca_institutions":"University of Toronto","funders":"","keywords":"Speculation; Business; Financial economics; Economics; Finance","routes":{"ca_aff":true,"ca_fund":false,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"metacan-v3-hybrid-931329e0061c","candidate_categories":[],"consensus_categories":[],"category_scores_codex":[0.003515141,0.0004367822,0.001060597,0.001321151,0.0005535867,0.007996096,0.0008891306,0.004350353,0.0270256],"category_scores_gemma":[0.04821182,0.0004541672,0.0003913176,0.002049387,0.002293573,0.01601172,0.001058259,0.003759801,0.001816782],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0006453625,"about_ca_system_score_gemma":0.0006151561,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0008299534,"about_ca_topic_score_gemma":0.0007002629,"domain_scores_codex":[0.9989975,0.0003802926,0.000110977,0.0001752966,0.000224388,0.0001115613],"domain_scores_gemma":[0.9708204,0.02059926,0.004723873,0.0015546,0.001339183,0.0009625807],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"theoretical_or_conceptual","study_design_gemma":"observational","study_design_scores_codex":[0.000707171,0.0002587661,0.01769755,0.0004276067,0.0001843087,0.001068716,0.0006227376,0.008210367,0.0009273097,0.805647,0.03311696,0.1311316],"study_design_scores_gemma":[0.00003983687,0.00003757501,0.004501,0.0001554432,0.00005549267,0.0002729161,0.0002655099,0.0187436,0.000318136,0.9690073,0.006569894,0.0000331828],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.4334875,0.03759084,0.1205139,0.2607583,0.005163953,0.00005114672,0.00295274,0.0006112106,0.1388703],"genre_scores_gemma":[0.9790143,0.007068906,0.002243186,0.00126326,0.002460449,0.00000970417,0.0002669548,0.00004601259,0.00762721],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.0270256,"threshold_uncertainty_score":0.0904097,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.01988783697867144,"score_gpt":0.2246507364557183,"score_spread":0.2047628994770468,"validation_status":"score_only:v0-immature-baseline","note":"Baseline scores from an immature model (maturity gate not passed). Scores rank; they never assert a category."}}