Sentiment · COST
Dark Pool Volume for COST
AI-generated plain-English read of dark pool volume for COST. Updated daily.
Elevated off-exchange share, building
highOff-exchange share is above baseline and still building — quiet institutional buying or selling is picking up. Lean with the prevailing chart trend until this reverts.
What will probably happen
- Sustained elevated off-exchange share reduces mean-reversion incentives — the stock is likely to continue in its prevailing direction.
- Volatility tends to compress with persistent dark-pool support; range-bound premium sales may be reasonable.
What to do
- If you HOLD this stock
- Sustained elevated off-exchange share without volume spike — quiet institutional positioning. Lean with the prevailing trend; reduced incentive for short-term mean reversion.
- If you TRADE this stock (no options)
- Lean with the prevailing trend — persistent institutional dark-pool flow is a directional tailwind. Look for entries on minor lit-market pullbacks.
- If you trade OPTIONS
- Volatility tends to compress with persistent dark-pool support — defined-risk premium sales (iron condors) at recent range edges may be reasonable.
30 days of data with a consistent regime (persistent high) — the signal is stable and reliable.
Technical details
Technical analysis
- Level
- elevated
- Trend
- rising
- Volume day
- normal day
- Persistence
- persistent high
- Days of data
- 30
- Latest short_pct
- 52.8%
- 30d median volume
- 688,469
- 5-day avg short_pct
- 47.7%
- Latest total volume
- 1,047,477
- 30-day avg short_pct
- 45.6%
Key levels
| Level | Value |
|---|---|
| avg 5d short pct | 0.477 |
| latest short pct | 0.528 |
| avg 30d short pct | 0.456 |
| median 30d volume | 688,469 |
| latest total volume | 1,047,477 |
Caveats
- FINRA short-volume data is NOT short interest — short_pct measures off-exchange volume fraction, not directional short positioning.