{"id":"W3034598152","doi":"","title":"Trading Cost Dynamics of Market Making in Equity Options","year":2014,"lang":"en","type":"article","venue":"SSRN Electronic Journal","topic":"Financial Markets and Investment Strategies","field":"Economics, Econometrics and Finance","cited_by":6,"is_retracted":false,"has_abstract":true,"ca_institutions":"University of Toronto; McGill University","funders":"","keywords":"Hedge; Equity (law); Ask price; Bid–ask spread; Order (exchange); Economics; Information asymmetry; Bid price; Business; Financial economics; Monetary economics; Market liquidity; Microeconomics; 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":[0.001775757,0.0002463399,0.0004851972,0.001116957,0.0002751962,0.001630903,0.0005760202,0.0007092482,0.00319875],"category_scores_gemma":[0.02319754,0.0004144,0.0004181981,0.0009164172,0.0006061906,0.002308419,0.000668579,0.001168157,0.0002688778],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0007896022,"about_ca_system_score_gemma":0.0002260586,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.003536258,"about_ca_topic_score_gemma":0.003653267,"domain_scores_codex":[0.9995587,0.0001012018,0.00004191826,0.000088908,0.0001321484,0.00007705758],"domain_scores_gemma":[0.9806638,0.01252889,0.004619674,0.0009280191,0.0007144519,0.0005451967],"domain_codex":null,"domain_gemma":null,"domain_candidate":null,"domain_consensus":null,"study_design_codex":"observational","study_design_gemma":"simulation_or_modeling","study_design_scores_codex":[0.001340127,0.0005723424,0.5573461,0.000155329,0.0003440289,0.001688652,0.001186139,0.3165306,0.02128166,0.05301646,0.001344214,0.04519428],"study_design_scores_gemma":[0.00003979481,0.0001732908,0.4902115,0.00001838617,0.0000804873,0.0005207314,0.0003930173,0.4775313,0.002870098,0.02743002,0.0006448367,0.00008641749],"study_design_candidate":"simulation_or_modeling","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9970158,0.0000949575,0.001698975,0.00008169175,0.000001823168,0.000009074584,0.0001552646,0.00001331051,0.0009290731],"genre_scores_gemma":[0.999067,0.00004072679,0.0004121102,0.000005489195,0.000003858332,0.000004340456,0.0001340883,0.000003916058,0.0003285366],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.003536258,"threshold_uncertainty_score":0.01070088,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.02594186757317391,"score_gpt":0.2505393409794758,"score_spread":0.2245974734063019,"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."}}