COST Costco Wholesale Corporation
Every five minutes, MKTDATA normalises COST's recent 5-minute price action and measures it against a library of ten textbook chart patterns — flags, triangles, cups, wedges and breakouts — scoring shape, trendline fit, volume and momentum.
Current pattern matches
Pattern history — last 30 days
| Pattern | Scan appearances | Best match | Last seen |
|---|---|---|---|
| Cup and handle | 28 | 72% | 1 Oct |
| Bull flag | 20 | 78% | 30 Sep |
| Falling wedge | 19 | 60% | 25 Sep |
| Bear flag | 18 | 66% | 30 Sep |
| Ascending triangle | 17 | 74% | 1 Oct |
| Breakout retest | 11 | 69% | 1 Oct |
| Double bottom | 7 | 69% | 1 Oct |
| Double top | 6 | 64% | 28 Sep |
| Descending triangle | 5 | 65% | 28 Sep |
| Breakout | 5 | 70% | 23 Sep |
Appearances count 5-minute scans in which COST matched each pattern above the 55-score floor, live sessions only.
Breakout signal record
| Signal | When | Outcome | Move |
|---|---|---|---|
| Breakout retestBULL | 1 Oct 15:35 | loss | -0.47% |
| Cup and handleBULL | 14 Sep 18:00 | expired | +0.12% |
| Cup and handleBULL | 26 Aug 19:30 | expired | -0.35% |
| Cup and handleBULL | 17 Aug 16:25 | expired | -0.14% |
| Bull flagBULL | 13 Jul 17:00 | win | +0.42% |
Every time one of COST's patterns first closes through its trigger, the entry price is recorded and the outcome measured automatically: win at +0.75% in the pattern's direction, loss at −0.75% against, expired after 3 hours. Full methodology and site-wide record →
Signal movement — entry to exit
Real 5-minute closes around each signal: the amber dot marks the entry close, dashed lines mark the ±0.40% target and stop from entry, and the end dot shows where the signal resolved. Lead-in before entry is dimmed.