| Rank | Ticker | Volume Ratio |
|---|---|---|
| 1 | AMZU | 1.80 |
| 2 | AMZN | 1.33 |
| 3 | EXAS | 1.27 |
| 4 | TEAM | 1.21 |
| 5 | CAH | 1.10 |
| 6 | CRBG | 1.08 |
| 7 | TWLO | 1.04 |
When a stock closes above its opening price and does so on significantly higher‑than‑average volume, it’s seen as a bullish confirmation that the upward move had real participation. Closing higher than open means buyers dominated trading throughout the day. But the signal gains real credibility - and strength - when volume spikes above its usual range (often 25‑50 % beyond recent days’ average). That's because heavy volume reflects conviction and money entering the stock, not just short‑term speculators or algorithmic noise. In technical analysis terms, this pattern - an up‑day on elevated volume - suggests institutional interest or widespread enthusiasm. Indicators like On‑Balance Volume (OBV) and the Accumulation/Distribution line specifically quantify this by tracking volume flow on up‑days versus down‑days to confirm trend strength. That said, context is crucial. A spike in volume may sometimes signal a buying climax - such as short covering or window dressing - where most potential buyers have already acted, making a reversal more likely.