{"data":{"available":true,"headline":"FDA PDUFA date predictions: median error 1.0 day(s), 92% within 30 days (n=52 matched decisions).","date_accuracy":{"decisions_matched":52,"median_delta_days":1.0,"within_7_days":0.6923,"within_30_days":0.9231},"coverage":{"predictions_total":187,"decisions_matched":52,"implausible_dropped":5,"unmatched":123,"recall_addressable":0.271},"windows":{"filing":["2023-01-01","2024-12-31"],"action":["2023-01-01","2026-06-19"]},"method":"Predicted PDUFA dates (extracted from SEC 8-K/6-K filings) matched on drug+sponsor against openFDA FDA decisions, bounded to |Δ|≤180d and keyed on the FDA decision.","caveat":"Date accuracy is the defensible headline. Recall is a diagnostic band: the addressable denominator rests on sponsor→public-name matching, which has a real error rate, and some 'unmatched' predictions are openFDA coverage gaps (CBER biologics), not misses. Backtest replays historical 2023–2024 filings."},"meta":{"total":null,"limit":null,"offset":null,"note":null},"error":null}