COST Chart Patterns & Technical Signals
As of 2026-09-01, 1 chart pattern is currently flagged on COST: Head & Shoulders (Bearish). Since 2025-03-17, Pattern Vista has flagged COST 7 times across 6 pattern types, most recently on 2026-09-01.
Patterns detected on COST by our scanner, with the historical performance of each setup type. Data, not recommendations.
Last updated 2026-09-01
Is COST showing a chart pattern right now?
- Head & ShouldersBearishWin 59% · 20dDetected 2026-09-01
What chart patterns has COST formed before?
COST has been flagged 7 times across 6 pattern types, from 2025-03-17 to 2026-09-01.
| Pattern | Direction | Times flagged | First | Most recent |
|---|---|---|---|---|
| EMA Crossover | Bearish | 2 | 2025-03-17 | 2025-03-17 |
| Support Break | Bearish | 1 | 2026-06-01 | 2026-06-01 |
| Double Top | Bearish | 1 | 2025-07-11 | 2025-07-11 |
| Head & Shoulders | Bearish | 1 | 2026-09-01 | 2026-09-01 |
| MACD Divergence | Bullish | 1 | 2025-07-24 | 2025-07-24 |
| Bullish Supertrend | Bullish | 1 | 2025-06-03 | 2025-06-03 |
Pattern pages for COST
A direct answer for each pattern with enough detection history on COST to be worth its own page.
How has this setup performed historically?
| Window | Occurrences | Win rate vs SPY | Mean excess return |
|---|---|---|---|
| 5 days | 423 | 53% | -0.15% |
| 20 days | 345 | 55% | -1.15% |
| 60 days | 239 | 34% | -18.39% |
Win rate = share of occurrences where the stock beat SPY over the window in the direction the signal predicted — for a bearish setup, a win means it underperformed. Measured since 2025-01-01 on our own detections, which puts the coin-flip line at 50%. Sample sizes are small; treat these as context, not as an edge.
Cross-indicator validation
MACD, RSI and volume readings taken at detection time, plus the interpretation notes for this setup.
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