{"id":"W4375858998","doi":"10.1016/j.frl.2023.103991","title":"Circumventing SEC Rule 201 short sale restrictions with options","year":2023,"lang":"en","type":"article","venue":"Finance research letters","topic":"Financial Markets and Investment Strategies","field":"Economics, Econometrics and Finance","cited_by":3,"is_retracted":false,"has_abstract":false,"ca_institutions":"Concordia University","funders":"Social Sciences and Humanities Research Council of Canada; Autorité des Marchés Financiers","keywords":"Circuit breaker; Economics; Stock (firearms); Business; Position (finance); Monetary economics; Financial economics; Finance; Engineering","routes":{"ca_aff":true,"ca_fund":true,"ca_venue":false,"about_ca":false,"invisible_to_affiliation_only":false},"retraction":null,"screen":null,"direct_labels":[],"prediction":{"model_version":"codex-gemma-dda1882f352a","candidate_categories":["insufficient_payload"],"consensus_categories":[],"category_scores_codex":[0.001374058,0.0001612755,0.0002710972,0.0007494061,0.0007178893,0.0002038645,0.0003566124,0.00008060747,0.0001499224],"category_scores_gemma":[0.0001653853,0.0001726646,0.00009138516,0.002112158,0.0002884775,0.0005131513,0.0001190726,0.0004753299,0.001976236],"about_ca_system_candidate":false,"about_ca_system_consensus":false,"about_ca_system_score_codex":0.0001635553,"about_ca_system_score_gemma":0.00007051116,"about_ca_topic_candidate":false,"about_ca_topic_consensus":false,"about_ca_topic_score_codex":0.0005427388,"about_ca_topic_score_gemma":0.00004965554,"domain_scores_codex":[0.9978864,0.00004724805,0.0004067241,0.0005634358,0.0001678236,0.000928367],"domain_scores_gemma":[0.99914,0.0001305844,0.00008864187,0.0004870774,0.00006899019,0.00008466212],"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":[0.00004287663,0.0001541213,0.1028287,0.0001001518,0.00007453136,0.0001548002,0.0003960544,0.0015302,0.001140441,0.6547004,0.2370985,0.001779274],"study_design_scores_gemma":[0.0004109636,0.0001673073,0.6645232,0.0001126586,0.000003987103,0.000008970496,0.0002204856,0.001331074,0.0001105868,0.02281028,0.3098447,0.0004558472],"study_design_candidate":"observational","study_design_consensus":null,"genre_codex":"empirical","genre_gemma":"empirical","genre_scores_codex":[0.9510847,0.0006148556,0.0004808944,0.008843891,0.0003341842,0.0004066108,0.0001187164,0.0001845276,0.03793159],"genre_scores_gemma":[0.9903401,0.00205349,0.0007696645,0.000317674,0.0003155935,0.0003340187,0.00007349751,0.00005448521,0.005741462],"genre_candidate":"empirical","genre_consensus":"empirical","teacher_disagreement_score":0.6318901,"threshold_uncertainty_score":0.9988008,"prediction_status":"machine_predicted_unvalidated"},"machine_scores":{"provisional":true,"baseline":true,"maturity_gate_passed":false,"score_opus":0.1068071796605447,"score_gpt":0.3015943853240584,"score_spread":0.1947872056635138,"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."}}