← Stocks · COST record
Signal record & history · Trifecta Signals
Costco has triggered the Trifecta screener 8 times since 2022. 6 signals confirmed; the median confirmed signal is up +53.8% since its trigger.
Price refreshes every trading day after the close.
Weekly closes · through the most recent close
First signal Jan 2022 · Latest Sep 2026 · Confirmed 6 of 8 Early · Latest close in the chart data: Mon, Oct 26, 2026
Groups are mutually exclusive — every confirmed signal sits in exactly one.
Of Costco’s eight Early signals since January 2022, six confirmed. Five of the six with a full 90-day window reached +10% within 90 days, and three of six finished ahead of the S&P 500 since confirmation. One signal carried a caution flag. Two Early signals never confirmed and count in no statistic.
Every Early signal in the record, newest first. Entry prices and per-signal returns stay in the member screener.
Members see every signal below, and the group mix above.
Membership unlocks the complete signal timeline for COST and every other stock in the record — group tags, caution flags, and the full screener.
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