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Home/NFL/Week 1/Broncos vs Chiefs
Gridiron EdgeWeek 1 · 2026AFC West rivalry

Denver Broncos vs Kansas City Chiefs

Updated · market price

Monday, September 14, 2026 · GEHA Field at Arrowhead Stadium, Kansas City, MO

Quick Answer

As of September 13, 2026, Kalshi implies 56% for the Chiefs in Denver Broncos vs Kansas City Chiefs, NFL Week 1 2026, while our model has the Chiefs by 0.5 (53% to win) — a 2.5pp agreement. No actionable edge — we pass.

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Kickoff board

Week 1 · 2026-09-13

No actionable edge on this game — 1 market priced and every one inside our tolerance.

MarketPriceModelCall¼ Kelly
Broncos moneylineModel 47% vs market 44% on DEN.Market-anchored fair value: DEN 43% (-1.2pp) — the Combo Edge Builder prices this leg off the anchored line; the raw model is above.44.5c47%Pass

Edge is model probability minus the market's implied probability, in percentage points. One published number per market: where our sources disagreed we publish the most conservative defensible figure, and where they disagreed by more than 15 points the row is a conflict and carries no stake. ¼ Kelly is the share of a bankroll quarter-Kelly would put on the row at the published price — click it to size against your own bankroll on our Kelly calculator, or call kelly_size from our MCP server inside your own agent.

The trench read: a rookie right tackle meets the league's best pass-rush duo, on Monday night

Denver arrives with the top-graded offensive line in football and a Pro Bowl edge pairing; Kansas City may line up an undrafted rookie at tackle in front of a quarterback nine months removed from a torn ACL. The board above passes on the game line, and this section does not argue with it. What it does is name the two mismatches that decide how Monday night gets played.

Broncos protection · Chiefs pass rush

Denver's No. 1 offensive line meets a solid-but-not-elite Chiefs front

Edge: Broncos

PFF grades Denver's line first in the league, and all five starters return. Garett Bolles allowed the lowest pressure rate of any left tackle last season and Quinn Meinerz is a back-to-back first-team All-Pro. Kansas City answers with Chris Jones and George Karlaftis, a good pairing that produced steady pressure but not a dominant one. This is the side of the ball where Bo Nix should have time.

Broncos O-line, PFF 2026 rank
1st — all five starters return
Bolles, 2025
Lowest pressure rate of any LT
Jones · Karlaftis, 2025
7 sacks / 63 pressures · 6 sacks / 66 pressures

Source: PFF — 2026 offensive line rankings

Chiefs protection · Broncos edge

Kansas City may start an undrafted rookie at tackle in front of Mahomes

Edge: Broncos

Josh Simmons did not practice Thursday with the back problem that cost him most of camp, and Andy Reid said there is a good chance he does not play. If he sits, Jaylon Moore and undrafted rookie Kahlil Benson fill the two tackle spots — Reid says the staff is comfortable with Benson on either side. Across from them: Nik Bonitto, who signed a $106 million extension after a 14-sack season, and Jonathon Cooper. This is the single biggest trench mismatch in the game, and the Chiefs know it.

Simmons (LT, back)
DNP Thursday — Reid: "good chance" he sits
Bonitto, 2025
14 sacks · 4-yr/$106M extension
If Simmons sits
Moore + UDFA Kahlil Benson at tackle

Source: Arrowhead Report — Chiefs injury report: Simmons, Mahomes, Conner

Broncos boundary · Chiefs receivers

Pat Surtain II against a Chiefs receiver room missing its best option

Edge: Broncos

Surtain is the reigning Defensive Player of the Year. He gets a Kansas City passing game without Rashee Rice, who is serving a six-game suspension, and with Xavier Worthy managing a shoulder but practicing fully. JuJu Smith-Schuster is the primary replacement, and Travis Kelce, in his fourteenth season, is the one proven target left standing. Denver can afford to put Surtain on the receiver it fears and bracket the rest.

Rashee Rice
6-game suspension — out
Xavier Worthy (shoulder)
Full practice — playing
Surtain
Reigning PFWA Defensive Player of the Year

Source: Fox Sports — Chiefs brace for Rice's six-game suspension

Chiefs boundary · Broncos receivers

Denver's overhauled receiver room gets its first live look, against Trent McDuffie

Close to even

Denver sent a first, a third and a fourth to Miami for Jaylen Waddle in March, a speed element the room did not have next to Courtland Sutton and Troy Franklin. McDuffie has been one of the steadiest corners in the league for four seasons. This is the matchup that tells you whether Denver's passing game has a new ceiling or just a new name.

Waddle trade, March 2026
2026 1st + 3rd + 4th to MIA

Source: CBS Sports — Waddle trade analysis

Chiefs run offense · Broncos run defense

Kansas City's run game meets the league's No. 2 run defense

Edge: Broncos

The Chiefs were a bottom-third rushing offense last season even after adding Super Bowl MVP Kenneth Walker III in free agency, and Denver allowed the second-fewest rushing yards per game in the league. If Kansas City cannot run behind a patched tackle, it is throwing into Surtain's secondary on third-and-long all night. This is the clearest statistical mismatch in the game.

Chiefs rushing, 2025
106.6 yds/gm — 24th
Broncos rush defense, 2025
91.1 yds/gm allowed — 2nd

Source: FootballDB — 2025 team rushing offense

Broncos run offense · Chiefs run defense

Denver's run game against a Chiefs run defense that actually held up

Close to even

Denver was a middle-of-the-league rushing offense behind J.K. Dobbins, and RJ Harvey is reported fully healthy after labrum surgery. Kansas City's run defense ranked ninth, which makes this the stronger side of the Chiefs' defense and the one place their front is not outmatched. Denver's line is elite in pass protection; whether it moves this front on the ground is a fairer fight.

Broncos rushing, 2025
118.7 yds/gm — 16th
Chiefs rush defense, 2025
105.7 yds/gm allowed — 9th

Source: Fox Sports — 2025 defense rankings, pass and rush

Quarterbacks

Two quarterbacks, two recoveries, one division on the line

Close to even

Patrick Mahomes is roughly nine months out from a torn ACL, practiced fully with the first team all week and is cleared for Monday night. Bo Nix is fully recovered from the fractured ankle that ended his postseason. The backdrop: Denver swept Kansas City last season, including its first win at Arrowhead since 2015, and ended the Chiefs' nine-year run atop the AFC West. Kansas City has had all offseason to think about that.

Mahomes
Full practice all week — cleared, ~9 months post-ACL
Broncos vs Chiefs, 2025
Swept — first Arrowhead win since 2015

Source: Bleacher Report — Mahomes gives Week 1 status update

What this read does not know

  • Josh Simmons' status is a Thursday, September 10 report — did not practice, Reid saying there is a good chance he sits — not a final call. This is a Monday game, so the final designation lands Saturday. The second unit is written assuming he is out; if he plays, the biggest-mismatch framing softens.
  • Which rookie plays tackle if Simmons sits, and on which side, has not been announced. Reid has said the staff is comfortable with Kahlil Benson on either side, and Jaylon Moore has played the left.
  • Individual 2025 sack totals for Broncos linemen Zach Allen and Jonathon Cooper were not confirmed, so none are cited.
  • No numeric PFF grade or interception count was found for Surtain's Defensive Player of the Year season beyond the award itself.
  • Our own prop model is under a publication block for pass-yards and receiving-yards legs this week — the passing and receiving sides of the same run do not reconcile. No projection-based passing or receiving call appears anywhere in this read for that reason.

Reporting verified 2026-09-11. Further sources: Chiefs — official Week 1 injury report · Arrowhead Report — Chiefs injury report: Simmons, Mahomes, Conner · Mile High Huddle — first Broncos–Chiefs injury report · Broncos — Monday Night Football opener announcement · PFF — 2026 offensive line rankings · Chiefs — pre-camp defensive line breakdown

PMP · WK 1 MODEL LINE
Mon, Sep 14
AWAY DEN +1.2
vs KC -0.5
HOME KC -0.6
Model · KC 53% home win prob
Kalshi · KC 56¢ yes mid
Edge -2.5pp model − market
📍 Kansas City, MO PASS — no edge

Our number and the market agree on this one — the gaps are elsewhere on the board. Get the full Week 1 card free, every game priced against our model.

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Broncos

47%

model win prob

Chiefs

53%

model win prob

Market-anchored fair value: DEN 43% (-1.2pp) — the Combo Edge Builder prices this leg off the anchored line; the raw model is above. Combo Edge Builder →

Run this matchup yourself → Full PWR board for all 32 → Player prop gaps for this game →

36%

Madden 27

64%

Madden 27

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The Ladder — Broncos at Chiefs

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Our margin distribution against every Kalshi spread strike listed for this game. A single line says we lean one way; the ladder says whether that is about the middle of the distribution or its tail.

Broncos at ChiefsSpreadSHAPEBuy NO · Chiefs +4.5
0255075100%Chiefs +4.5Chiefs +14.5Chiefs +4.5Chiefs −1.5Chiefs −6.5Chiefs −20.5KALSHIPMP MODEL
Widest gap
🔒
at Chiefs +4.5
Market
71%
Kalshi · P(YES) at Chiefs +4.5
PMP Model
🔒
display-calibrated

We agree with the market about the middle and disagree about the tail. The gap changes sign near 3.2.

RungMarketModelGap
4 more rungsChiefs +14.5Chiefs +9.5 · outside our published band, market only
Chiefs +14.5🔒outside rangeNO
Chiefs +13.5🔒outside rangeNO
Chiefs +10.5🔒outside rangeNO
Chiefs +9.5🔒outside rangeNO
Chiefs +7.5🔒outside rangeNO
Chiefs +6.5🔒🔒🔒NO
Chiefs +5.5🔒🔒🔒NO
Chiefs +4.5🔒🔒🔒NO
Chiefs +3.5🔒🔒🔒NO
Chiefs +2.5🔒🔒🔒NO
Chiefs +1.5🔒🔒🔒NO
Chiefs −0.5🔒not listed
Chiefs −1.5🔒🔒🔒YES
Chiefs −2.5🔒🔒🔒YES
Chiefs −3.5🔒🔒🔒YES
Chiefs −4.5🔒🔒🔒YES
Chiefs −5.5🔒YES
Chiefs −6.5🔒🔒🔒YES
Chiefs −7.5🔒outside rangeYES
7 more rungsChiefs −9.5Chiefs −20.5 · outside our published band, market only
Chiefs −9.5🔒outside rangeYES
Chiefs −10.5🔒outside rangeYES
Chiefs −13.5🔒outside rangeYES
Chiefs −14.5🔒outside rangeYES
Chiefs −16.5🔒YES
Chiefs −17.5🔒YES
Chiefs −20.5🔒YES

Rung-by-rung numbers are a Pro feature. Unlock Pro →

Gold is our distribution, parchment is the Kalshi contract at each strike; the band between them is green where our probability is higher and purple where it is lower. We publish our number only where we have measured it to be calibrated, between 30% and 70%; rungs outside that range show the market only. A contract pays $1 if it settles YES, so a price in cents is an implied probability. Prediction markets carry risk; contracts can settle at $0.

Power-rating comparison

TeamRatingRankTier
Denver Broncos
+1.212thPlayoff
Kansas City Chiefs
-0.620thAverage

Season outlook

DENKC
Average wins9.18.2
Make playoffs55%43%
Win division38%27%
Win Super Bowl3.9%2.3%

10,000 simulated seasons on our preseason power ratings — real NFL tiebreakers, real 2026 schedule, no injuries or market prices. The season sim fits its own home-field (2.0 points, from played games); the game model above uses +2.5. How it works →

Prop ladders in this game

All ladders →

Every Kalshi strike beside the sportsbook consensus, with our probability marked at the strike we called.

Kenneth Walker IIIReceptionsONE STRIKE PRICED
0255075100%3+ rec4+ rec5+ recKALSHIBOOKS
Widest gap
one strike priced
Market
65%
Kalshi · P(YES) at 3+ rec
PMP Model
display-calibrated
Model pending

Our number is published at the called strike only; the market curves are complete.

Rung-by-rung numbers are a Pro feature. Unlock Pro →

RJ HarveyRush YdsONE STRIKE PRICED
0255075100%10+ rush yds20+ rush yds25+ rush ydsKALSHIBOOKS
Widest gap
one strike priced
Market
67%
Kalshi · P(YES) at 10+ rush yds
PMP Model
display-calibrated
Model pending

Our number is published at the called strike only; the market curves are complete.

Rung-by-rung numbers are a Pro feature. Unlock Pro →

Courtland SuttonReceptionsONE STRIKE PRICED
0255075100%3+ rec4+ rec5+ recKALSHIBOOKS
Widest gap
one strike priced
Market
74%
Kalshi · P(YES) at 3+ rec
PMP Model
display-calibrated
Model pending

Our number is published at the called strike only; the market curves are complete.

Rung-by-rung numbers are a Pro feature. Unlock Pro →

Kenneth Walker IIIRush YdsONE STRIKE PRICED
0255075100%40+ rush yds60+ rush yds65+ rush ydsKALSHIBOOKS
Widest gap
one strike priced
Market
79%
Kalshi · P(YES) at 40+ rush yds
PMP Model
display-calibrated
Model pending

Our number is published at the called strike only; the market curves are complete.

Rung-by-rung numbers are a Pro feature. Unlock Pro →

Gold is our distribution, parchment is the Kalshi contract at each strike; the band between them is green where our probability is higher and purple where it is lower. We publish our number only where we have measured it to be calibrated, between 30% and 70%; rungs outside that range show the market only. A contract pays $1 if it settles YES, so a price in cents is an implied probability. Prediction markets carry risk; contracts can settle at $0.

Broncos vs Chiefs: where the prop prices are

The market’s prices, not ours: each Kalshi strike beside the sportsbook consensus read at the same line, and where the cheaper price for each side actually is. A gap is a price difference, not a call — the Oracle calls above are the opinion.

Broncos vs Chiefs: where the prop prices are — Kalshi mid vs sportsbook consensus per strike, widest gap first
PlayerPropKalshiConsensusGapBest price
Kenneth Walker III3+ rec64.5¢56%+8.6¢over · Novig 56.5¢under · Kalshi 37.6¢
Rashee Rice60+ rec yds41.5¢48%-6.9¢over · Kalshi 44.7¢under · Novig 54.5¢
RJ Harvey20+ rush yds45.5¢49%-3.5¢over · Kalshi 48.7¢
Courtland Sutton5+ rec38.0¢41%-2.8¢over · ProphetX 38.5¢under · Novig 61.5¢
Kenneth Walker III4+ rec39.0¢41%-2.3¢over · Novig 38.5¢under · Kalshi 63.7¢
Kenneth Walker III60+ rush yds49.5¢52%-2.1¢over · Kalshi 51.8¢under · Novig 49.5¢
Noah Gray2+ rec38.5¢41%-2.0¢over · Kalshi 40.7¢under · ProphetX 62.4¢
Xavier Worthy35+ rec yds53.5¢52%+2.0¢over · BetRivers 53.5¢under · ProphetX 47.6¢

All 92 priced prop strikes for this game →+ 154 listed on Kalshi, not yet priced.

Broncos–Chiefs is a coin flip on our numbers

The better team here is the visitor, and it still is not favored. The Broncos rate +1.2 (12th of 32) against -0.6 for the Chiefs (20th) — but 2.5 points of home field is larger than the 1.8-point gap between them, so the model lands at 53% for the Chiefs anyway. That is the whole story of this line: venue, not talent. It rates as the 5th-closest of the 16 games in Week 1, and a game this tight is decided by the price, not the model.

Season-long, the model can barely split them: 8.2 projected wins for the Chiefs against 9.1 for the Broncos, favored in 9 and 9 of their 17 respectively. Two teams heading for the same neighborhood in the standings tend to produce exactly this kind of line. This game sits 10th-hardest on the Chiefs' schedule and 7th-hardest on the Broncos'.

The sharpest unit gap in the game runs one way: the Broncos offense grades +0.6 (16th of 32) against a Chiefs defense at -0.8 (18th) — 1.4 points of separation on our scale, and the single biggest reason the line sits where it does. Going the other direction, the Chiefs offense (-0.2, 20th) meets the Broncos defense (+0.4, 8th), a 0.6-point gap.

On the standings side, AFC West games are the ones that decide the tiebreakers. Head-to-head record is the first tiebreaker between two teams in the same division, and division record is the next — so the value of this result is not just the win column. They meet again in Week 8, which makes a sweep the outcome with real leverage on the AFC West race.

Scheduling note: this is a Monday game — the only one on the schedule that day — so it sits outside the main Sunday slate.

Calibration check, because a near-even number is the easiest kind to overtrust: across 3266 walk-forward games (2013-2024) the model gave a side 50-55% in 870 of them, and those sides won 52%. The Chiefs at 53% are in that band. A margin that thin is why we would rather wait for a price than call it a lean.

Kalshi's KXNFLGAME-26SEP14DENKC contract implies 56% for the Chiefs against our 53% — a 2.5-point gap. That is inside our 5-point threshold, so we pass — the market and the model are telling the same story.

Full division picture on the AFC West hub.

Prediction markets are not sportsbooks — you trade a contract that settles at $1 or $0, not a wager against a house line. Informational only; trade responsibly.

Broncos vs Chiefs on Kalshi

Kalshi event
KXNFLGAME-26SEP14DENKC
Market-implied (Chiefs)
56c · 56%
Our model (Chiefs)
53%
Model vs market
-2.5pp

Kalshi lists this game as KXNFLGAME-26SEP14DENKC. A contract price in cents is already a probability, so 56c on the Chiefs is an implied 56% — no odds conversion needed. Our model has 53%, a 2.5pp agreement. Contracts settle at $1 or $0 and you can exit before kickoff.

Every Kalshi NFL market we track →

Where Broncos vs Chiefs trades

2 venues price this game on their own exchange; the rest resell the Kalshi contract or list it without a price we can quote. Home-side price shown.

VenueChiefsTrade
Kalshi56% 56cTrade on Kalshi →
Novig56% 56cOpen Novig →
Polymarketno captured price for this game — international bookSign-up offer →
Robinhoodsame Kalshi contract56% 56cOpen Robinhood →
Coinbasesame Kalshi contract56% 56cOpen Coinbase →
DraftKings Predictionsprice not available — sign-up offer →Sign-up offer →
FanDuel Predictsprice not available — sign-up offer →Sign-up offer →
Fanatics Marketsprice not available — sign-up offer →Sign-up offer →

A price under a venue name is that venue’s own; Robinhood and Coinbase list the same Kalshi contract. DraftKings Predictions, FanDuel Predicts and Fanatics Markets run on exchanges we have no price feed for, so they carry an offer and no number. We earn a referral credit or commission when you sign up through these links; it never changes the price or the model. Disclosure.

Broncos vs Chiefs — frequently asked

Who is favored in Broncos vs Chiefs in Week 1?

Our power-rating model picks the Chiefs by 0.5 points, a 53% win probability over the Broncos, for a projected score of Chiefs 23, Broncos 22 on a ratings-implied 44.9-point total. Kalshi's KXNFLGAME-26SEP14DENKC market implies 56% for the Chiefs — a 2.5pp agreement with the model.

Why does the model call this a toss-up?

Because the Chiefs (-0.6, 20th) and Broncos (+1.2, 12th) are only 1.8 rating points apart. The 2.5-point home-field adjustment is larger than the gap between the teams, so home field is effectively the entire margin and the split lands at 53%/47%. In games like this the model is not the deciding input — the contract price is.

How do you take a position on Broncos vs Chiefs?

The contract is KXNFLGAME-26SEP14DENKC on Kalshi, a CFTC-regulated exchange open to traders in all 50 states. Chiefs YES is quoted around 56c against our 53% model number. There is no point spread — you buy a yes or no contract on a team and it settles at $1 or $0.

When and where do the Chiefs host the Broncos?

Denver Broncos visit the Kansas City Chiefs on Monday, September 14, 2026 — a Monday game in NFL Week 1, at GEHA Field at Arrowhead Stadium, Kansas City, MO.

What does the model project for the Chiefs and Broncos this season?

Across all 17 games the model projects the Chiefs at 8.2 wins (favored in 9) and the Broncos at 9.1 (favored in 9). This game ranks 10th-hardest on the Chiefs' schedule and 7th-hardest on the Broncos', by model win probability.

What are the Kalshi odds for Broncos vs Chiefs?

Kalshi prices this game as event KXNFLGAME-26SEP14DENKC. The Chiefs YES contract sits around 56c, which is an implied 56% — against our model's 53%. That is a 2.5pp agreement, and a contract price in cents is already a probability, so no odds conversion is needed.

Can you trade Broncos vs Chiefs on Kalshi?

Yes — as an event contract, not a point spread. Kalshi is a CFTC-regulated exchange open to traders in all 50 states, and the Week 1 game market is KXNFLGAME-26SEP14DENKC. You buy a YES or NO contract on a team between 1c and 99c and it settles at $1 or $0, so the price you pay is the break-even probability. There is no vig baked into a line, and you can exit before kickoff at whatever the market is then paying.

How often does the model win when it is 53% on a team like the Chiefs?

52% of the time. Over 3266 walk-forward games from 2013-2024 — trained only on prior seasons, no market line as an input — the model put a team in the 50-55% range 870 times, and those teams won 52% of them. The Chiefs at 53% over the Broncos sit in that band, off a 0.5-point model line. Straight-up across all 3266 graded games the model picked winners at 59.6%, with a Brier score of 0.236 against 0.25 for a coin flip.

Why read this pick instead of a preview from a big sports outlet?

Two things a bigger outlet does not do. The number is posted before kickoff against the live Kalshi price, so you can see where the model and the market disagree while it still matters. And the page keeps the call after the game — result, hit or miss, closing-line value — so the record is public. Every graded call is at predictionmarketspicks.com/track-record.

Is Broncos moneyline worth a position?

Our model puts it at 47% against a market price implying 45%, an edge of +2.5 points. Model 47% vs market 44% on DEN. We pass — no position.

Trade this game on Kalshi →Chiefs hub →Broncos hub →Kalshi NFL hub →Week 1 edge board →NFL predictions hub →

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The rematch

They run it back in Week 8. Division games are the pairings the model gets two swings at, and the second line usually moves off what the first one showed. BroncosChiefs, Week 8

More Week 1 matchups

Full Week 1 board →Next: NFL Week 2 predictions

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