1[2 {"id":"C1","text":"The provided file covers 2010-01-04 to 2019-12-31 and contains zero post-cut (post_cut = 1) trading days.","results_keys":["sample_start","sample_end","n_treated"],"status":"supported","caveat":"Coverage is set by the README retrieval parameters (end_date=2019-12-31)."},3 {"id":"C2","text":"The effect of the March-2020 cut on the 5-year yield cannot be estimated from these data; the estimand, its interval and the model RMSE are null and the conclusion is premise_invalid.","results_keys":["effect_estimate","effect_ci_low","effect_ci_high","model_metric","conclusion","feasibility","feasibility_reason"],"status":"supported","caveat":"No proxy window was substituted."},4 {"id":"C3","text":"The mean one-day change of the 5-year yield over the whole file is about -0.043 bp.","results_keys":["baseline_metric","n_input_rows"],"status":"supported","caveat":"Descriptive only; this does not estimate the effect of the cut."}5]6