Range contraction strict 60% T60R
T_RANGE_CONTRACT_STRICT60 | ticker recent pattern | setup | ticker | computed
Logic
5D range / 20D avg range <= 0.60Edge-
Samples0
Definition
5-day range is at most 60% of the 20-day average range. Volatility contraction pattern (VCP-like).
Logic Triples
| Predicate | Left | Op | Right | Formula |
|---|---|---|---|---|
| 5D range contracted to 60% of 20D averageThe recent 5-day range is no more than 60% of the average 20-day range. | 5D range / 20D avg range | <= | 0.60 | range_5d[t] / avg(range_20d)[t] <= 0.6 |
Strategies Using Atom
| Strategy | Family | Edge | Signals |
|---|---|---|---|
| Add/watch tight base near breakout | add_tight_base | - | - |
| Undercut & Rally at 50-Day EMA (Failed Breakdown) | undercut_rally | - | - |
| Undercut & Rally at Base Low (Failed Breakdown) | undercut_rally | - | - |
| VCP with Bullish Accumulation Spikes (Tempo) | vcp_contraction | - | - |