The backtest reveals that COST stock demonstrates a consistent recovery following the ex-dividend date, with an average recovery duration of approximately 1.23 days. Additionally, there is a 100% probability of price recovery within 15 days post-ex-dividend, based on 13 dividend events tested.

These results indicate a strong and reliable price rebound pattern after dividend payouts, suggesting minimal long-term negative impact on COST's stock price from the dividend event.

Investors may find confidence in entering or holding COST around ex-dividend periods, anticipating swift recovery and potential dividend capture opportunities.

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Backtest COST Ex-Dividend

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