COIL
The range tightens near the highs after a push, like a spring compressing.
Formula
MEASUREDContraction, then an expansion bar out of the flag.
Flag low; VWAP/EMA position; 5-day same-time demand.
The detector rule and what is measured beside it. Track's digest quotes the same row for every seat that carries this setup. All formulas on Track
Definition
After an early push higher, the name stops making new ground and its swings get smaller. Each bar sits closer to the last, near the morning high. The scanner names this when the tightening happens before 09:40.
Not this
A name drifting lower in a narrow range is not a coil. The tightening has to sit near the highs, after a push.
Evidence checklist
What must be visible on the record before this shape is named. Find each item on an example below.
- A push higher before the tightening, visible in the first minutes.
- Bar ranges that shrink, one after the other.
- The tightening sits near the morning high, not the low.
- First sighting minute before 09:40.
Known on this record
- The shape name and the first minute the scanner saw it.
- The level out at 09:40 and the send ledger's time.
- The gap into the turn, measured at the 09:40 mark.
- The turn-window facts: entry vs range, window volume vs prior sessions, minutes from the window low.
- The tape verdict for the session.
- Catalyst classes, on sessions where the record carries them.
- Close, capture, day move, peak and the grade, all measured after the alert.
Not on this record
- EMA lines of any period.
- Volume beyond the turn window.
- An intraday chart or the bars behind one.
- The prior session's move.
- A catalyst's publication time.
- The price path between 09:40 and the close, beyond the peak minute.
A question to hold
Is the 09:40 entry near the window high on this example? Read the entry-vs-range fact before deciding.
Seats from the record
Seats the scanner gave this shape, newest first. Each opens on Track with its full lesson.
| Session | Sym | Tape | Catalyst | Window vol | Lane | Capture | Result | Prov |
|---|---|---|---|---|---|---|---|---|
| 2026-09-23 | TEAM | RED | · | 0.61x(under 1x) | · | -0.3% | ||
| 2026-09-22 | NBIS | GREEN | · | 1.02x(1x to 2x) | · | -2.1% | ||
| 2026-09-17 | FCEL | GREEN | · | 1.14x(1x to 2x) | · | 4.7% | ||
| 2026-09-17 | HPE | GREEN | · | 0.90x(under 1x) | · | 3.7% | ||
| 2026-09-15 | DELL | NEUTRAL | · | 1.42x(1x to 2x) | · | -2.6% | ||
| 2026-09-11 | HPE | GREEN | · | 0.96x(under 1x) | · | 4.8% | ungraded | |
| 2026-09-10 | ASTS | RED | · | 0.96x(under 1x) | · | -5.3% | ||
| 2026-09-09 | ARM | NEUTRAL | · | 1.61x(1x to 2x) | · | -2.9% | ||
| 2026-09-09 | AXTI | NEUTRAL | · | 1.19x(1x to 2x) | · | -4.6% | ||
| 2026-09-09 | MRVL | NEUTRAL | · | 0.71x(under 1x) | · | 0.9% |
32 seats · 2026-08-13 to 2026-09-23 · alerted seats only · outcome: close against the alert price · misses and refused names not counted.
Counts only. A shape publishes no rate until its own record matures. the ladder rule
Study cues
Not available: no producer publishes per-condition observations with a timestamp and a source yet.
When one exists, a cue reads like this:
COIL study candidate: 3 of 5 documented conditions present.
Every condition shows its timestamp, its source, and an unknown state when missing. A cue describes; it never directs.
Reading this page comes first. A cue can only be followed from its definition, and can be paused or deleted.