Lions vs Colts Prediction Market Odds, August 29, 2026
| Spread | Total | ML | Best ML | |
|---|---|---|---|---|
â–¶Lions | +2.5 45%44% | O 35.5 52% | 38%38% | 38% Kalshi |
â–¶Colts | -2.5 55%56% | U 35.5 48% | 62%63% | 63% Polymarket |
| Spread | Total | Moneyline | Best ML | |
|---|---|---|---|---|
â–¶Detroit Lions | +2.5 | O 35.5 | 38% Kalshi | |
â–¶Indianapolis Colts | -2.5 | U 35.5 | 63% Polymarket |
No player props available for this game.
Indianapolis is the 64c favorite on both Kalshi and Polymarket as of August 26, 2026, with Detroit at 37c, and that price is a read on home field and roster availability rather than on August form: the Colts are 0-1-1 this preseason and were beaten 34-6 by Atlanta last week, while the Lions are 1-1. Colts coach Shane Steichen said on August 25 that his starters play 8 to 12 snaps with quarterback Daniel Jones and running back Jonathan Taylor held out entirely; Detroit has announced no participation plan. This is the last preseason game before rosters come down to 53 players on August 30, which makes it the least predictive game on the calendar.
Indianapolis is the 64c favorite (64c Kalshi, 64c Polymarket) for a preseason game it enters at 0-1-1 after a 34-6 loss to Atlanta, while Detroit sits at 37c at 1-1. That gap is not a form read. It is a venue-and-depth read on a Saturday when neither sideline resembles the roster either team files in September. Steichen has already published his plan: everyone except Jones and Taylor gets 8 to 12 snaps. Rosters across the league must be cut to 53 players by 6 p.m. on August 30, the day after kickoff, so a large share of the snaps here belong to players who will not be employed by Monday. Preseason results carry nothing into the regular season, and no outcome on this board is a season signal.
Lions vs Colts Preseason Market Context
Detroit is 1-1 this preseason, losing 16-14 at Cincinnati on August 13 and beating Washington 17-13 at Ford Field on August 22, with Joshua Dobbs breaking a 50-yard touchdown run in the win. Indianapolis is 0-1-1, tying New England 13-13 on August 13 and losing 34-6 to Atlanta at Lucas Oil Stadium on August 22. Across two games the Colts have scored 19 points and allowed 47; the Lions have scored 31 and allowed 29. Indianapolis is favored anyway, which is the clearest evidence that the board is pricing home field and projected snap quality, not August box scores.
Participation is the only variable on this board that matters, and it is unevenly public. Steichen said on August 25 that his starters other than Jones and Taylor will play roughly 8 to 12 snaps, with injured players held out. The Colts' unofficial Week 3 depth chart, released August 24, still carries two open competitions that this game decides: the backup quarterback job reads "Riley Leonard OR Anthony Richardson Sr." and the kicking job reads "Blake Grupe OR Spencer Shrader." Tight end Tyler Warren, who injured his groin in an August 19 joint practice, is being managed carefully ahead of Week 1, and wide receiver Alec Pierce remains on the active/physically unable to perform list after ankle surgery.
Detroit has published nothing comparable. Dan Campbell committed a "significant amount of starters" to the August 22 Washington game, a statement about the second preseason game that says nothing about the third. As of August 26 the Lions have not announced who plays at Lucas Oil Stadium. Detroit is also without two contributors it would otherwise use: center Cade Mays is expected to miss 8 to 10 weeks with a wrist injury, and tight end Sam LaPorta's hip has left his availability for the September opener unresolved. Reading 37c as a verdict on Detroit's talent is reading the wrong number. A team favored on paper becomes the underdog purely on who dresses, and that is the whole story of the final preseason week.
What the Lions vs Colts Line Has Done
The board carries roughly 24 hours of snapshot history, from midday August 25 to midday August 26. Indianapolis opened that window at 63c on Kalshi and sits at 64c; Polymarket printed 64c on every capture. Detroit printed 37c on both books at the first snapshot and at the last. Scoped to the captures that exist, this line has moved one cent. The series does not reach back further than that, so this page makes no claim about where the game opened last week.
The two books agree to the cent on the moneyline, and the volume split explains why. Kalshi holds $19.4K of lifetime volume on the Colts side and $17.4K on the Lions side; Polymarket carries $715 total across the pair. On a board of $52.3K lifetime volume, Kalshi is setting the price and Polymarket is tracking it. The one visible difference sits on the alternate spread, where Indianapolis -1.5 is 58c on Kalshi against 56c on Polymarket, a 2c difference on $7.9K and $336 of lifetime volume respectively. That is thin-book noise on the quieter venue, not a disagreement about the game.
The ladders point at a close, low-scoring afternoon. Indianapolis -2.5 prices at 55c and Indianapolis -3.5 at 50c, which puts the market's true number at Indianapolis by about 3.5. On the total, Kalshi has over 35.5 at 53c and over 37.5 at 48c, placing the implied line near 36.5, and the paired O/U 36.5 contract trades 48c on Kalshi and 46c on Polymarket. Both shapes are preseason-standard: a short spread and a sub-40 total, because the second half belongs to players auditioning for a job rather than to the offenses either team opens the season with.
When the Lions vs Colts Market Resolves
The moneyline resolves to the team that wins the game at Lucas Oil Stadium in Indianapolis on Saturday, August 29, 2026, kickoff 1:00 PM ET on NFL Network and CBS4. Spread contracts settle against the final margin and total contracts against combined final points, both inclusive of overtime if it is played. Kalshi lists the game as KXNFLGAME-26AUG29DETIND with matching KXNFLSPREAD and KXNFLTOTAL series; Polymarket runs a single event board for the same game. A tie is a live preseason outcome and Indianapolis already produced one this month, 13-13 at New England on August 13, so read each platform's published handling of a tied game before trading either moneyline side.
Key Lions vs Colts Catalysts
- Colts snap cap: Steichen has set starters at 8 to 12 snaps with Daniel Jones and Jonathan Taylor out entirely, so Indianapolis' 64c price rests mostly on backups.
- Detroit's unannounced plan: the Lions had said nothing about participation as of August 26, which is the largest unpriced variable on the board.
- The August 30 cutdown: rosters drop to 53 players at 6 p.m. the day after this game, so most snaps go to players competing for the last spots.
- Two Colts jobs on the line: the Riley Leonard and Anthony Richardson Sr. backup quarterback race and the Blake Grupe and Spencer Shrader kicking race are both settled by this game.
- Venue of the price: Kalshi carries $19.4K on the Colts moneyline against $715 across Polymarket's whole pair, so Kalshi moves first and Polymarket follows.
Related Lions vs Colts and NFL Markets
Season-long boards are the right place to express a view on either team, and this game does not move them: a preseason result is not an input to any of them. The Indianapolis Colts win total and the Detroit Lions win total both trade on 17 regular-season games that begin in September, and the Super Bowl champion board prices the full field. For the rest of each team's slate and futures, the Colts hub and the Lions hub collect every open contract, and the NFL market index covers the league board by board.
Resolution Criteria
Resolves to the team that wins the preseason game between the Detroit Lions and Indianapolis Colts at Lucas Oil Stadium in Indianapolis on Saturday, August 29, 2026, with a scheduled kickoff of 1:00 PM ET. Moneyline contracts pay $1 per share on the winning team and $0 on the losing team. Spread contracts settle against the final margin of victory and total-points contracts against the combined final score, both including overtime if any is played. Kalshi lists the game under KXNFLGAME-26AUG29DETIND with companion KXNFLSPREAD and KXNFLTOTAL series; Polymarket lists a single event board for the same game. A tied final score is a live preseason outcome, and each platform applies its own published rule for a tie on the moneyline and for a spread that lands exactly on the number. If the game is canceled or postponed beyond the platform's stated window, each platform voids or extends per its own contract terms.
Key Factors
- Colts starters limited to 8 to 12 snaps per Shane Steichen, with QB Daniel Jones and RB Jonathan Taylor held out entirely
- Detroit had announced no participation plan for the finale as of August 26, the largest unpriced variable on the board
- League-wide cutdown to 53 players at 6 p.m. on August 30 means most snaps belong to players competing for the last roster spots
- Colts backup QB race (Riley Leonard vs Anthony Richardson Sr.) and kicker race (Blake Grupe vs Spencer Shrader) are both decided in this game
- Kalshi holds $19.4K of lifetime volume on the Colts moneyline against $715 across Polymarket's whole pair, so Kalshi sets the price
- Ladders imply Indianapolis by about 3.5 and a total near 36.5, both standard for a backup-heavy preseason finale
What are the current Lions vs Colts odds?
As of August 26, 2026, Indianapolis is 64c on both Kalshi and Polymarket and Detroit is 37c on both books. The alternate spread has Indianapolis -1.5 at 58c on Kalshi and 56c on Polymarket, and the O/U 36.5 total trades 48c on Kalshi and 46c on Polymarket. The live board above carries the current prices.
When does the Lions vs Colts market resolve?
It resolves on the final score of the preseason game at Lucas Oil Stadium on Saturday, August 29, 2026, with kickoff scheduled for 1:00 PM ET on NFL Network and CBS4. Spread and total contracts settle on the same final score, including overtime if played.
Where can I trade the Lions vs Colts market?
Both Kalshi and Polymarket list the game. Kalshi carries the deeper book with $19.4K of lifetime volume on the Colts moneyline and $17.4K on the Lions side, against $715 total across Polymarket's pair, on a board with $52.3K of lifetime volume overall.
Who is favored in Lions vs Colts and by what implied probability?
Indianapolis is favored at 64c against Detroit at 37c. The pair sums to 101c, about 1c of book margin, which normalizes to roughly 63% Indianapolis and 37% Detroit. Indianapolis holds that price despite entering 0-1-1 with a 34-6 loss to Atlanta on August 22.
What should I watch before Lions vs Colts kicks off?
Watch the participation reports. Shane Steichen has capped Colts starters at 8 to 12 snaps with Daniel Jones and Jonathan Taylor out, and Detroit had said nothing about its own plan as of August 26. With the cutdown to 53 players due at 6 p.m. on August 30, who actually dresses matters more than either team's preseason record, and preseason results do not carry into the regular season.