★ Bowie Knife | Doppler | Ruby

It is one phase of the Bowie Knife Doppler finish, released on March 15, 2017. It drops from the Spectrum Case as a rare special item. The Bowie Knife Doppler (Ruby) 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.

Factory New peaked at $1,838 on June 11, 2024 and trades 68% below that peak. It is down 33% over the past year and down 15% over 90 days. Its highest price of the past year was $1,358. Its all-time low was $561, on October 21, 2026. The price moved within a 21% range over the past month. The CS2 price history API carries the full Bowie Knife | Doppler (Ruby) (Factory New) price history.

Minimal Wear costs 1.5 times as much as Factory New, the cheapest wear.

Steam asks the most at $1,008, 73% above the cheapest Factory New listing on BUFF.

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 $820, and Phase 3 the cheapest at $204.

7 Factory New copies are listed for sale across the four marketplaces. 13 Factory New copies sold in a recent 7-day window. Factory New is liquid and usually sells within a day.

The Doppler (Ruby) finish also comes on the Bayonet, the Butterfly Knife, the Falchion Knife, the Flip Knife and 13 other weapons. It counts toward the Doppler (Ruby) index.