Denver Broncos vs Kansas City Chiefs Prediction Market Odds, September 14, 2026
| Spread | Total | ML | Main ML | |
|---|---|---|---|---|
Broncos | +14.5 — | O 149.5 — | 0% | — |
Chiefs | -14.5 — | U 149.5 — | 100% | 100% Kalshi |
| Spread | Total | Moneyline | Main ML | |
|---|---|---|---|---|
Denver Broncos | +14.5 — | O 149.5 — | 0% | — |
Kansas City Chiefs | -14.5 — | U 149.5 — | 100% | 100% Kalshi |
Kansas City is the modest home favorite in the last game of Week 1, against the team that swept it last season. Denver finished 2025 at 14-3 as the AFC's top seed and beat the Chiefs 22-19 in Denver and 20-13 at Arrowhead, while Kansas City went 6-11 and 1-7 on the road. The spread ladder puts the true line between 2.5 and 3 points toward Kansas City while the money sits on the other side: the Denver moneyline leg holds $1.93M of the board's $4.19M in lifetime volume. Kalshi carries both winner legs and Polymarket quotes none of them. The live board above has the current prices.
Kansas City closes Week 1 as a modest home favorite against the team that swept it last season. Fifteen of the sixteen Week 1 games are already final, leaving this as the last one on the schedule, and both teams enter 0-0 while Las Vegas sits 1-0 atop the AFC West. Denver finished 2025 at 14-3 with a plus-90 point differential, won 22-19 in Denver on November 16 and 20-13 at Arrowhead on December 26, then lost the AFC Championship 10-7 to New England. Kansas City finished 6-11 and 1-7 on the road. The board carries roughly $4.19M in lifetime volume and resolves tonight.
Broncos vs Chiefs Market Context
As of the morning of September 14, the moneyline prices Kansas City at 56% and Denver at 45%, both quotes from Kalshi. Polymarket carries no moneyline price here, so the winner is a one-book number. The two legs sum to 101, so removing the market's margin leaves the Chiefs near 55% and the Broncos near 45%. Those contracts hold $2.76M of the board's $4.19M, and the money sits with the underdog: Denver carries $1.93M against $838.7K on Kansas City.
This page recorded the same two numbers on September 5. The board's snapshot history reaches back only to Sunday evening, so the nine days in between are not captured here. Inside the window that is captured, 44 Kalshi snapshots on the Kansas City leg between 8:28 PM ET Sunday and 7:41 AM ET Monday never left the 56 to 57 range and finished where they opened at 56, while 30 snapshots on Denver ran 44 to 45 and finished at 45. The line held flat through the one stretch this board can prove, and through an injury report that resolved in both directions.
The spread ladder agrees with the moneyline and sharpens it. Kansas City -1.5 trades at 52% on Kalshi against 54% on Polymarket, -2.5 at 50% against 51%, and -3.5 at 40% with no Polymarket quote, which puts the true line between 2.5 and 3 points. The -2.5 rung is the most-traded spread contract on the board at $348.7K, with -3.5 second at $66.4K. The Polymarket quotes on the Kansas City rungs carry no volume behind them, so read those as posted prices rather than a second opinion; the Polymarket money is on the Denver rungs, led by $10.6K on Broncos -5.5.
The total implies about 43 points. Over 42.5 is 54% on Kalshi, over 43.5 is 49% against 51% on Polymarket, and over 44.5 is 46%, putting the crossover just under 43.5. That 43.5 rung is the largest single contract on the board at $562.6K, more than either moneyline leg. Both teams scored more than that combined last season, Denver 23.6 points per game and Kansas City 21.3 for 44.9 between them, though Denver allowed only 18.3 per game.
The Broncos vs Chiefs Injury Report and Quarterback Read
The injury report for this game runs ten names and Patrick Mahomes is not one of them. ESPN lists him active with no designation on the Kansas City roster, he does not appear on the game's report, and his athlete page carries no injury entry. The left knee ACL that ended his 2025 season on December 14 is no longer a market question at the report level. He finished that year with 3,587 passing yards, 22 touchdowns and 11 interceptions across 14 games, taking 34 sacks.
Left tackle Josh Simmons is the Kansas City absence that matters now. ESPN lists him Out with a back injury and a September 20 return date, so he is unavailable rather than a game-time decision. That reframes the protection question on this board: it is no longer a hedge about a reconstructed knee behind an uncertain line, it is a resolved hole at left tackle in front of a healthy quarterback, and the market absorbed it without moving. With tackle Matt Waletzko on injured reserve, Jaylon Moore and Kingsley Suamataia are the experienced tackles left. Safety Chamarri Conner and defensive tackle Omarr Norman-Lott are also Out.
Denver's five entries cost it less: linebacker Jonathon Cooper is Out for personal reasons, guard Nick Gargiulo is Out with a torn ACL, and tackle Frank Crum, tight end Caleb Lohner and linebacker Levelle Bailey are on injured reserve. Bo Nix carries no designation and neither does receiver Marvin Mims Jr., who is listed active and is not on this game's report. Nix played all 17 games in 2025 for 3,931 passing yards, 25 touchdowns, 11 interceptions and an 87.8 rating, adding 356 rushing yards and 5 scores.
The matchup that decides the number is Denver's pass rush against a Kansas City line missing its left tackle. Denver led the NFL with 68 sacks in 2025 and allowed 23 of its own; Kansas City allowed 47 and generated 35. That is the clearest structural edge on the board, and the market answered it by making the home team a 56% favorite rather than a comfortable one.
Polymarket carries the player-prop layer Kalshi does not quote here. Mahomes and Nix are both 8% to clear 299.5 passing yards, Kenneth Walker is 52% to score at any time and Travis Kelce 31%. The prop book has taken about $5.7K across 237 contracts, so those are quoted lines rather than traded ones.
When the Broncos vs Chiefs Market Resolves
The market resolves on the result of the game, which kicks off at 8:15 PM ET tonight, Monday, September 14, 2026 at Arrowhead Stadium in Kansas City, on ESPN and ABC. The Kalshi ticker for this game carries a date and no time segment, so ESPN is the source for the clock, and the Kalshi contracts carry an expected expiration of 11:15 PM ET that is consistent with it. The moneyline settles to the team that wins outright. Spread and total rungs settle against the final score, and every rung on this board is a half point, so none can push.
Key Broncos vs Chiefs Catalysts
- Josh Simmons ruled out: the Kansas City left tackle is Out with a back injury and a September 20 return date, in front of the league's best pass rush.
- Mahomes off the report entirely: active with no designation, absent from this game's ten-name injury report, and no entry on his ESPN athlete page.
- Denver's pass rush: the Broncos led the NFL with 68 sacks in 2025 and allowed 23, against a Kansas City line that allowed 47.
- A one-book moneyline: Kalshi quotes both winner legs and Polymarket quotes neither, so there is no cross-platform price to shop.
- The volume split: $1.93M sits on the Denver moneyline against $838.7K on Kansas City.
- A total priced under both offenses: the crossover sits just under 43.5 against 44.9 combined points per game last season.
Related Broncos vs Chiefs Markets
Both season-long boards price the same disagreement over a longer horizon: the Chiefs 2026 win total asks how much of 6-11 was the roster and how much was the quarterback, and the Broncos win total asks how much of 14-3 carries forward. The AFC West division board, where Las Vegas already sits 1-0, is where tonight's result lands first, and the Super Bowl LXI champion market is where both roll up. For team context see the Denver Broncos hub and the Kansas City Chiefs hub, or the full NFL prediction markets hub.
Resolution Criteria
Resolves to the team that wins the game between the Denver Broncos and Kansas City Chiefs, scheduled for Monday, September 14, 2026 at 8:15 PM ET at Arrowhead Stadium in Kansas City and broadcast on ESPN and ABC. The moneyline contract for the winning team pays out and the losing side settles at zero, with no push condition. Spread and total contracts settle against the final score, and every rung posted on this board is a half point, so none of them can push. Kalshi and Polymarket settle once the game is final on the scheduled date, and the Kalshi contracts carry an expected expiration of 11:15 PM ET the same night. If the game is postponed, the contracts carry to the rescheduled date; if it is canceled outright, they void per each platform rules.
Key Factors
- Chiefs left tackle Josh Simmons ruled Out with a back injury and a September 20 return date
- Patrick Mahomes active with no injury designation and absent from the ten-name injury report for this game
- Denver led the NFL with 68 sacks in 2025 against a Kansas City line that allowed 47
- One-book moneyline: Kalshi quotes both winner legs and Polymarket quotes neither
- Volume split: $1.93M on the Denver moneyline leg against $838.7K on Kansas City
- Total crossover just under 43.5 while the two teams combined for 44.9 points per game in 2025
What are the current Broncos vs Chiefs odds?
As of the morning of September 14, 2026, Kansas City is 56% and Denver 45% on the Kalshi moneyline, the same two numbers this page recorded on September 5. The two legs sum to 101, so after removing the market margin the Chiefs are near 55% and the Broncos near 45%. The live board above carries the current prices.
When does the Broncos vs Chiefs market resolve?
It resolves on the result of the game, which kicks off at 8:15 PM ET on Monday, September 14, 2026 at Arrowhead Stadium on ESPN and ABC. It is the last game of NFL Week 1, with the other fifteen already final.
Where can I trade the Broncos vs Chiefs market?
Both moneyline legs and the full spread and total ladders trade on Kalshi. Polymarket quotes parts of the spread and total ladders plus the player-prop book but carries no moneyline price, so there is no two-book number on the winner. Lifetime volume across both platforms is roughly $4.19M.
Who is favored in Broncos vs Chiefs and by how much?
Kansas City is the favorite. The spread ladder puts the line between 2.5 and 3 points, with Kansas City -2.5 at 50% on Kalshi and -3.5 at 40% as of September 14, 2026. Denver is the side carrying the money, holding $1.93M of moneyline volume against $838.7K on Kansas City.
What should I watch before Broncos vs Chiefs resolves?
Kansas City left tackle Josh Simmons, who ESPN lists as Out with a back injury and a September 20 return date, against a Denver pass rush that produced 68 sacks in 2025. Patrick Mahomes is active with no designation, so the protection in front of him is the live question rather than the quarterback himself.