Decision summary
The local historical service does not contain insider transaction tables or insider-buying columns. This study cannot calculate insider buying effectiveness from the current dataset without adding Form 4 or equivalent insider transaction history.
Dataset disclosure
Tables inspected: stocks, daily prices, monthly metrics, quarterly metrics, market cap, liquidity, corporate actions, index membership, market index. Corporate actions include buyouts, stock swaps, wipeouts, renames, and delistings; they do not include insider purchases.
Suggested action
| Situation | Suggested action |
|---|---|
| Any position state | Do not use this site for insider-buying signals until an insider transaction dataset is added. |
| Research requirement | Add transaction date, ticker, insider role, buy/sell type, shares, value, and ownership-change fields before publishing return base rates. |
Historical patterns do not guarantee future results.