TOTAL VOLUME:
$134.2b
24H VOL:
$126,590,312
24H TRANSACTIONS:
2,388,728,490
OPEN INTEREST:
$1,439,516,703
404,175
Markets across
30,277
events
MATCHED EVENTS:
2,685
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Sep 13, 9:13 PM EST
Kalshi
This market on Kalshi tracks whether Jacoby Brissett will start at quarterback for Arizona in Week 1 of the 2026-27 NFL season. Brissett is currently favored at 70.0% to earn the starting role. Resolution will be determined by official designation from Arizona's coaching staff and front office, with the market settling based on who is named the starter for Week 1. Watch for the team's final roster decisions and quarterback depth chart announcements leading up to the September 15, 2026 season opener.
A quarterback's designation as Arizona's starting quarterback for Week 1 of the 2026-27 season is determined by the official depth chart published by the team for that week. If no official depth chart is available, the designation comes from official team communications including injury reports and press releases. For bye weeks, the market uses the last available depth chart before the bye. If a player is injured but still officially listed at the position, the market resolves to Yes for that player. For postseason weeks, if the team is eliminated before that week, all markets resolve to No. Practice squad and inactive players do not qualify unless officially promoted to the active roster at the specified position.
Prediction market odds on Kalshi often diverge from traditional sportsbook lines because they reflect real-money trader conviction rather than bookmaker risk management. Sportsbooks adjust odds to balance action and lock in profit margins, while prediction markets aggregate distributed beliefs from thousands of participants. For the Arizona starting quarterback decision, market odds may move faster than sportsbooks when injury reports, coaching statements, or preseason performance data surface. Comparing the two reveals whether professional bettors and casual traders see different probabilities than oddsmakers.
The Arizona Week 1 Starting Quarterback market resolves on Sep 15, 2026, shortly after Arizona's official Week 1 starting lineup is announced. Resolution is determined by the quarterback who takes the first snap for Arizona in their Week 1 game. This is typically confirmed via official NFL sources, team announcements, or broadcast confirmation. Early resolution may occur if Arizona officially designates a starter before Week 1 begins. Traders should monitor team communications and preseason developments closely as the resolution date approaches.
Key catalysts include preseason performance by competing quarterbacks, injury reports or updates to the starter or backups, official coaching statements about depth chart plans, and trades or roster moves. Training camp progress and practice reports from beat writers often shift market odds significantly. A surprise injury to the presumed starter, a breakout preseason game by a backup, or a coaching change could trigger sharp repricing. Media narratives and analyst commentary also influence trader sentiment. Close monitoring of Arizona's official communications and preseason games will help traders anticipate major moves before Sep 15, 2026.