αTheAlphaInsider

Wu Shien-Yang

Outside the top-25 by R-coefficient, but with purchase history.

R-coefficient
skill with Bayesian shrinkage
60d win rate
% of purchases with positive return
Avg 60d return
after their purchases

🧱 Conviction tranches

Repeated purchases of the same stock within ≤5 days — an accumulation pattern.

TickerDateTradesSpanSharesAmount
TSM2026-08-0711d57$4K
TSM2026-07-0711d54$4K
TSM2026-06-0511d57$4K
TSM2026-05-0811d60$4K
TSM2026-04-0911d71$4K

Purchase history

Later sales by the same insider on the same ticker — realized gain vs average buy price. Empty = position still held.

DateTickerRoleSharesAvg priceAmountSalesAvg sell priceGain %
2026-08-07TSMOfficer(SVP)57$73.31$4K
2026-07-07TSMOfficer(SVP)54$76.62$4K
2026-06-05TSMOfficer(SVP)57$76.01$4K
2026-05-08TSMOfficer(SVP)60$71.82$4K
2026-04-09TSMOfficer(SVP)71$57.87$4K