★ Butterfly Knife | Ultraviolet
Summary
Category
Skin
Type
Knife
Weapon
Butterfly Knife
Finish
Ultraviolet
Finish Style
Solid Color
Designer
Valve
Released
March 15th, 2017
Finish Catalog
98
Pattern Variants
No
Model Version
CS2
Popularity
99%
Item Class
Wear Range
Every weapon skin has a wear value, also known as float value, that determines how
scratched it looks and which exterior it belongs to:
| Range | Exterior |
|---|---|
| 0.00 – 0.07 | Factory New (FN) |
| 0.07 – 0.15 | Minimal Wear (MW) |
| 0.15 – 0.38 | Field-Tested (FT) |
| 0.38 – 0.45 | Well-Worn (WW) |
| 0.45 – 1.00 | Battle-Scarred (BS) |
Each skin also has a minimum and maximum wear value, defining its wear range.
The colored line shows the available range for this skin.
Community Rating
4.6
out of 5
6.4K Votes
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Supply
16.3K
total items in circulation
Factory New
73
Minimal Wear
2.2K
Field-Tested
9.4K
Well-Worn
1.3K
Battle-Scarred
2K
Drop Chance
Spectrum Case
Weapon Case
Exceedingly Rare
Rarity
Odds
1 in 391
Total
1 in 391
Ultraviolet
Butterfly Knife
Odds
1 in 30
Total
1 in 11.7K
Field-Tested
Exterior
Odds
3 in 5
Total
1 in 19.7K
Normal
Quality
Odds
9 in 10
Total
1 in 21.7K
Final Result
Total Odds
1 in 21,689
0.0046%
Liquidity
95%
Very High
Price Statistics
Current Price
$479
24h Change
1.67%
+$7.87
7d Change
2.13%
-$10.44
30d Change
9.58%
-$50.76
1y Change
16.51%
+$67.90
All-Time High
$1,143
Jul 11, 2025
All-Time Low
$111
Nov 15, 2017
24h Low
24h High
$471
$479
7d Low
7d High
$466
$490
30d Low
30d High
$466
$535
1y Low
1y High
$329
$660
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Gallery
Description
This is a custom-designed balisong, commonly known as a butterfly knife. The defining characteristic of this weapon is the fan-like opening of a freely pivoting blade, allowing rapid deployment or concealment. As a result, butterfly knives are outlawed in many countries. It has individual parts spray-painted solid colors in a black and purple color scheme. Elegant design paired with brutal intent
History
The Butterfly Knife "Ultraviolet" was first introduced to Counter-Strike 9 years ago, on March 15th, 2017. It was released as part of the Spectrum Case, alongside the "Spectrum Case Skins" update. The skin was created by Valve itself instead of a community designer.
Origin
The Butterfly Knife "Ultraviolet" can be obtained by opening the Spectrum Case or Spectrum 2 Case. The skin is not part of any collections.
Popularity
With a popularity of 99%, the Butterfly Knife "Ultraviolet" is currently extremely popular, which makes it one of the most popular items in CS2. This popularity score is based on recent user engagement and market activity for the skin.
Rarity
The Butterfly Knife "Ultraviolet" is one of 604 Knife skins. The rarity of the skin is Covert, which makes it an ultra rare drop with a chance of 0.0085% from the Spectrum Case. That is roughly 1 in every 11.7K drops.
Availability
With a price range between $411 and $2,500, the Butterfly Knife "Ultraviolet" is a pretty expensive skin. Fortunately, it's currently widely available and can be purchased on multiple different markets.
Versions
The float value of the Butterfly Knife "Ultraviolet" ranges from 0.06 to 0.80, which makes the skin available in all exteriors. For each exterior, there also exists a StatTrak version of this skin.
Finish Style
This Butterfly Knife skin has been painted in the "Solid Color" style, with the Ultraviolet finish. Individual components of the weapon are painted with up to four unique colors before reassembly. The skin has been painted in a color scheme of black and gray. Different pattern indexes have no effect on the Ultraviolet finish. The skin uses the new CS2 model.
Community Sentiment
The Butterfly Knife "Ultraviolet" has received 6.4K votes on CSGOSKINS.GG, leading to an average rating of 4.6 out of 5 stars. The skin is currently also owned by the professional CS2 players DANK1NG, lauNX and nota.
Gameplay Showcase
