maude device alert short
What it checks
When a medical-device maker accumulates safety reports, we short the stock - pending MAUDE database ingest.
Mechanism
Surge in MAUDE (Manufacturer and User Facility Device Experience) adverse-event reports predicts FDA Safety Communication or Class I/II recall; sponsor stock reprices -8% event-day, -12% over 6mo.
Signal rule
7d rolling severity-sum z >= +2.0 (and >= 2.5 strong tier) for device-OEM ticker against trailing 1y baseline -> SHORT T+1; hold 10/20/40 trading days.
Data dependencies
daily_pricesAdjusted-close OHLCV for every US-listed ticker; primary price feed.
fda_maude_device_severity_dailyWorker data table — see services/worker schema.
Expected edge
- Paper alpha
- -8% event-day, -12% 6mo
- Paper window
- T+1 to T+40d
Lerner-Beard-Sgouros 2014 analog: -8% event-day, -12% over 6mo on device-recall trigger.
Example tickers where this is likely to fire
Illustrative only — the signal fires based on the live data, not a fixed list.
Related families
faers severity spike shortHealthcare / FDAA 7-day rolling severity-score sum (death=5, life_threatening=4, hospitalization=3, disability=2, other=1) z-scored vs the trailing 365 days predicts label-change risk / black-box warning / product recall on the sponsor. FAERS reports take 1-3 days to land in the public API and the news cycle picks them up 1-2 weeks later, leaving a 3-10 day window for the short.
auto recall drift shortConsumer / autosNHTSA recall clusters create warranty-cost, brand, and regulatory overhang for auto manufacturers. A high z-score in affected units triggers a short signal.
Explore maude device alert short on alphactor.ai
See which tickers this family is currently firing on, with live signals and rankings.