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OAKLAND – Though the Warriors haven't completely shut the door on the possibility of adding veteran 3-point ace Ray Allen, the crack gets smaller by the day.

One cause for the diminishing odds is Allen's uncertainty about resuming his career. Another pertinent factor, however, is the rapid rise of reserve guard Justin Holiday.

The conversion Saturday of Holiday's original non-guaranteed contract to fully guaranteed ($816,482), along with his recent strong play, practically assures he will be a Warrior for the remainder of the season.

The only non-roster invitee to make the opening-day roster, Holiday couldn't be happier about his newly secure status.

"I'm glad to be a part of this team, to be a part of this organization, first and foremost,” he said after practice Sunday. "It's always good to be in the league and things like that, but I'm glad I'm here. I feel like I have the best teammates I could have and the best coaches. The organization is one of the most professional organizations I've ever been a part of."

[RELATED: Holiday gaining confidence, filling need for Warriors]

After opening the season as the wing of last resort, the 6-foot-6 University of Washington product – and brother of Pelicans guard Jrue Holiday – has worked his way up the bench, passing veteran Leandro Barbosa, to become the immediate backup to starting shooting guard Klay Thompson.

"One of basis points is if you work hard and you compete and you produce, you're going to play," coach Steve Kerr said. "That's exactly what Justin did. He earned it."

Holiday, 25, earned his spot on the roster largely by playing solid defense in Las Vegas Summer League and during the preseason schedule. He's also a legitimate 3-point threat off the bench, shooting 42.9 percent from deep – 44.8 percent since entering the rotation three weeks ago.

Allen is a mediocre defensive player but a career 40-percent shooter from 3-point range. In the last two seasons, since shifting from starter to role player coming off the bench, he is shooting 39.8 percent beyond the arc.

Allen, 39, has not played since last season and is expected to decide in the coming weeks whether he will officially retire or play the remainder of this season.

General manager Bob Myers did not rule out the possibility of Allen joining the Warriors, but recently indicated it's highly unlikely.