,Spectrum 2
QualityCovertWeaponButterfly KnifeVariantPhase 4ExteriorFactory NewFloat range0.00 - 0.07★ Butterfly Knife | Doppler | Phase 4 price and market overview
The Butterfly Knife | Doppler (Phase 4) sells for $2,476 in Factory New as of , the lowest ask across BUFF, Youpin, CSFloat and Steam. It is up 0.7% over the past 7 days. It is one of seven Doppler phases, and each trades as its own item.
- Price
- $2,476Factory New
- 24-hour change
- -0.2%Factory New
- 7-day change
- +0.7%Factory New
- 30-day change
- -9.7%Factory New
- 1-year change
- +11%Factory New
- All-time high
- $6,601 (May 4, 2025)Factory New
- All-time low
- $1,390 (October 24, 2025)Factory New
- Sales (7 days)
- 25Factory New
- Liquidity
- Liquid, sells within hoursFactory New
- StatTrak premium
- +11% ($2,038)Factory New
About the Butterfly Knife | Doppler (Phase 4)
It is one phase of the Butterfly Knife Doppler finish, released on . It drops from the Spectrum Case as a rare special item. The Butterfly Knife Doppler (Phase 4) runs from 0.00 to 0.08 in float, so it comes only in Factory New and Minimal Wear, and it has a StatTrak version.
Price history
Factory New peaked at $6,601 on and trades 62% below that peak. It is up 11% over the past year and down 11% over 90 days. Over the past year it traded between $2,250 and $3,751. Its all-time low was $1,390, on . The CS2 price history API carries the full Butterfly Knife | Doppler (Phase 4) (Factory New) price history.
| Period | Change | Low | High |
|---|---|---|---|
| 24 hours | -0.2% | $2,469 | $2,491 |
| 7 days | +0.7% | $2,400 | $2,498 |
| 30 days | -9.7% | $2,424 | $2,749 |
| 90 days | -11% | $2,424 | $2,798 |
| 1 year | +11% | $2,250 | $3,751 |
Prices by wear
Minimal Wear costs 1.2 times as much as Factory New, the cheapest wear.
| Exterior | Float range | Price | StatTrak | Listings | Liquidity | 7D |
|---|---|---|---|---|---|---|
| Factory New | 0.00 to 0.07 | $1,840 | $2,038 | 1,638 | Very liquid | -0.3% |
| Minimal Wear | 0.07 to 0.08 | $2,200 | $2,289 | 80 | Slow to sell | 0.0% |
Where it is cheapest
Skinport asks the most at $3,179, 28% above the cheapest Factory New listing on CSFloat.
| Marketplace | Ask | Listings | Updated | API |
|---|---|---|---|---|
| CSFloat | $2,476 | October 26, 2026 | CSFloat price API | |
| Youpin | $2,488 | October 26, 2026 | Youpin price API | |
| C5Game | $2,544 | 10 | October 26, 2026 | C5Game price API |
| BUFF | $2,647 | October 26, 2026 | BUFF163 price API | |
| Skinport | $3,179 | 2 | October 26, 2026 | Skinport price API |
Patterns and seeds
Doppler comes in four phases, Phase 1 to Phase 4, plus three rarer gem patterns: Ruby, Sapphire and Black Pearl. The pattern seed fixes the phase, and each phase trades as its own item with its own price. Black Pearl is the most expensive phase at $10,544, and Phase 3 the cheapest at $1,845.
| Phase | Price | Listings |
|---|---|---|
| Black Pearl | $10,544 | 0 |
| Phase 1 | $2,000 | 0 |
| Phase 2 | $3,730 | 0 |
| Phase 3 | $1,845 | 0 |
| Phase 4 | $2,476 | 0 |
| Ruby | $9,560 | 0 |
| Sapphire | $5,690 | 0 |
Supply and liquidity
25 Factory New copies sold in a recent 7-day window. Factory New is liquid and usually sells within hours.
Related skins
The Doppler (Phase 4) finish also comes on the Bayonet, the Bowie Knife, the Falchion Knife, the Flip Knife and 13 other weapons. It counts toward the The Spectrum 2 Collection Knives index.
| Item | Price |
|---|---|
| ★ StatTrak Butterfly Knife | Ultraviolet (Factory New) | $2,500 |
| ★ StatTrak Butterfly Knife | Case Hardened (Factory New) | $2,245 |
| ★ Butterfly Knife | Fade (Minimal Wear) | $2,020 |
| ★ StatTrak Butterfly Knife | Gamma Doppler (Minimal Wear) | $1,930 |
| ★ StatTrak Butterfly Knife | Blue Steel (Factory New) | $1,796 |
How much is the Butterfly Knife | Doppler (Phase 4) worth?
$2,476 in Factory New, the lowest ask on BUFF, Youpin, CSFloat and Steam. That is 62% below its all-time high.
Which phases does the Butterfly Knife | Doppler (Phase 4) come in?
Phase 1 through Phase 4, plus the rarer Black Pearl, Ruby and Sapphire. Black Pearl sells for the most, at $10,544.
Where is the Butterfly Knife | Doppler (Phase 4) cheapest?
On CSFloat, while Skinport asks the most of five marketplaces.
How much more does a StatTrak Butterfly Knife | Doppler (Phase 4) cost?
From 1.0 times the plain price in Minimal Wear to 1.1 times in Factory New, depending on wear.
What float range does the Butterfly Knife | Doppler (Phase 4) have?
0.00 to 0.08, so the Butterfly Knife Doppler (Phase 4) comes only in Factory New and Minimal Wear.
Which case does the Butterfly Knife | Doppler (Phase 4) come from?
The Spectrum Case. It is a rare special item there.
When was the Butterfly Knife | Doppler (Phase 4) released?
On , in the Spectrum Case.
Is the Butterfly Knife | Doppler (Phase 4) price going up or down?
In Factory New it is down 9.7% over the past 30 days and 11% over 90 days.