Tynan inked a one-year contract extension with Colorado on Thursday.
The Avalanche reassigned Tynan to AHL Colorado on Thursday.
Tynan was promoted from the minors Friday.
The Avalanche waived Tynan for the purpose of assignment to AHL Colorado, Adrian Dater of ColoradoHockeyNow.com reports.
Tynan has no points with a minus-2 rating and five shots on net in 10 games this season.
The Avalanche recalled Tynan from AHL Colorado on Wednesday.
Tynan agreed to terms on a two-year, two-way contract with Colorado on Tuesday.
Tynan was placed on waivers by Vegas on Monday, Renaud Lavoie of TVA Sportsreports.
Tynan signed a two-year, two-way contract with the Golden Knights on Saturday, Aaron Portzline of The Columbus Dispatch reports.
Tynan was reassigned to AHL Cleveland on Monday.