The biggest moves in any market don't start with a big candle — they start quiet. Price coils into a tight range, volatility contracts, and almost nothing happens for a while. Then it fires. Most traders only notice after the breakout candle is already halfway done, because nothing on their chart flagged the coiling phase in the first place.

Coil Radar is built around that exact gap. It measures Bollinger Band width against a Keltner Channel — when Bollinger squeezes inside Keltner, the market is compressing. The tighter that compression gets, the higher your Coil Tension reading climbs. When price finally breaks out of the squeeze, the indicator flags the release and tells you which direction it fired, using underlying momentum to call it.

**Core features:**

- Bollinger-inside-Keltner squeeze detection — the proven way to identify volatility compression

- Live Coil Tension % reading — 0% means wide open, 100% means maximally compressed and close to firing

- Automatic fire detection the moment the squeeze releases, color-coded bullish or bearish based on momentum

- Three-state visual histogram: coiled (gold), firing (green/red), and open/no compression (grey) — so you can tell at a glance whether you're watching, waiting, or already too late

- On-chart dashboard showing current state, tension %, and momentum reading

- Fully configurable Bollinger and Keltner periods, multipliers, and momentum lookback

This isn't a trend or reversal tool — it's an early-warning system for the quiet phase before volatility expands. Use it to know when to start paying attention, before the move that everyone else only notices once it's already underway.