Event study
What stocks did over the 30, 90, 180 and 365 days after past occurrences of a disclosed event — insider clusters, large insider purchases or sales, institutional accumulation, political purchases.
How to read it
Each horizon shows SPY's return over the same windows, so 'up 8%' can be judged against what the market did.
How to use it
Tests whether a kind of signal has been followed by out-performance before you trust it.
Limitations
Only horizons that have fully passed count; events on the same company within 30 days count once; nothing is shown below 12 events. Looks back four years at most.
In Kereon
Whales · Analytics. Forward returns from daily closes after each event.
Also called: study, forward returns, signal backtest.