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 | 53 | 83% | 17 Aug |
| Bull flag | 11 | 61% | 13 Aug |
| Breakout retest | 10 | 61% | 12 Aug |
| Bear flag | 8 | 58% | 17 Aug |
| Falling wedge | 6 | 70% | 11 Aug |
| Breakout | 5 | 56% | 13 Aug |
| Ascending triangle | 3 | 60% | 12 Aug |
| Descending triangle | 1 | 65% | 20 Jul |
| Double bottom | 1 | 58% | 17 Aug |
| Double top | 1 | 57% | 17 Aug |
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 |
|---|---|---|---|
| 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.