The Prediction Markets

NASCAR O'Reilly Auto Parts Series Championship: Top 10 Finishers

Closes
Nov 15, 2026, in 8 days
Traded
$35K
Venues
Polymarket, Kalshi
Prices updated
1 min ago
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What the markets expect

Sam Mayer 64%

Next is Austin Hill at 62%. The venues differ most on Sheldon Creed (Polymarket 1.4%, Kalshi 61%), a 60-point gap.

Odds by venue

Consensus blends each venue’s last price, weighted by how much has traded there. Best Yes price is the cheapest ask across venues, and the payout is what a winning $100 stake returns before fees. Open a row for each venue’s contract name, bid and ask, and how closely their rules match.

Prices come from our regular polls of each venue, the oldest 2 min ago. Ages are as of when this page was built.

  • Polymarket
  • Kalshi
Sam Mayer
64%
Kalshi 64%polled, 2 min agoBest Yes 77¢ on Kalshi, $100 pays $130 (1.30x)
Kalshi
Contract
Sam Mayer
Last price
64%
As of
Polled 2 min ago
Buy Yes
77¢
Sell Yes
51¢
$100 on Yes pays
$130 (1.30x)
Trade this on Kalshi
Austin Hill
62%
Kalshi 62%polled, 2 min agoBest Yes 73¢ on Kalshi, $100 pays $137 (1.37x)
Kalshi
Contract
Austin Hill
Last price
62%
As of
Polled 2 min ago
Buy Yes
73¢
Sell Yes
51¢
$100 on Yes pays
$137 (1.37x)
Trade this on Kalshi
Brent Crews
62%
Kalshi 62%polled, 2 min agoBest Yes 70¢ on Kalshi, $100 pays $143 (1.43x)
Kalshi
Contract
Brent Crews
Last price
62%
As of
Polled 2 min ago
Buy Yes
70¢
Sell Yes
54¢
$100 on Yes pays
$143 (1.43x)
Trade this on Kalshi
Justin AllgaierArb
60.4%
Polymarket 53.5%polled, 1 min agoKalshi 81%polled, 2 min agoBest Yes 55¢ on Polymarket, $100 pays $182 (1.82x)
Polymarket
Contract
Justin Allgaier
Last price
53.5%
As of
Polled 1 min ago
Buy Yes
55¢
Sell Yes
52¢
$100 on Yes pays
$182 (1.82x)
Volume
$15K
Trade this on Polymarket
Kalshi
Contract
Justin Allgaier
Last price
81%
As of
Polled 2 min ago
Buy Yes
81¢
Sell Yes
65¢
$100 on Yes pays
$123 (1.23x)
Volume
$8
Trade this on Kalshi
Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Buying on Polymarket at 55¢ and selling on Kalshi at 65¢ nets 1000 bps before fees.

Brandon Jones
60%
Kalshi 60%polled, 2 min agoBest Yes 60¢ on Kalshi, $100 pays $167 (1.67x)
Kalshi
Contract
Brandon Jones
Last price
60%
As of
Polled 2 min ago
Buy Yes
60¢
Sell Yes
48¢
$100 on Yes pays
$167 (1.67x)
Volume
$308
Trade this on Kalshi
Taylor Gray
56%
Kalshi 56%polled, 2 min agoBest Yes 67¢ on Kalshi, $100 pays $149 (1.49x)
Kalshi
Contract
Taylor Gray
Last price
56%
As of
Polled 2 min ago
Buy Yes
67¢
Sell Yes
45¢
$100 on Yes pays
$149 (1.49x)
Trade this on Kalshi
Rajah Caruth
45%
Kalshi 45%polled, 2 min agoBest Yes 45¢ on Kalshi, $100 pays $222 (2.22x)
Kalshi
Contract
Rajah Caruth
Last price
45%
As of
Polled 2 min ago
Buy Yes
45¢
Sell Yes
21¢
$100 on Yes pays
$222 (2.22x)
Volume
$2
Trade this on Kalshi
Sammy Smith
44%
Kalshi 44%polled, 2 min agoBest Yes 44¢ on Kalshi, $100 pays $227 (2.27x)
Kalshi
Contract
Sammy Smith
Last price
44%
As of
Polled 2 min ago
Buy Yes
44¢
Sell Yes
36¢
$100 on Yes pays
$227 (2.27x)
Volume
$21
Trade this on Kalshi
Jesse LoveArb
43.5%
Polymarket 20%polled, 1 min agoKalshi 67%polled, 2 min agoBest Yes 31.2¢ on Polymarket, $100 pays $321 (3.21x)
Polymarket
Contract
Jesse Love
Last price
20%
As of
Polled 1 min ago
Buy Yes
31.2¢
Sell Yes
8.7¢
$100 on Yes pays
$321 (3.21x)
Volume
$6K
Trade this on Polymarket
Kalshi
Contract
Jesse Love
Last price
67%
As of
Polled 2 min ago
Buy Yes
75¢
Sell Yes
59¢
$100 on Yes pays
$133 (1.33x)
Trade this on Kalshi
Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Buying on Polymarket at 31.2¢ and selling on Kalshi at 59¢ nets 2780 bps before fees.

Corey DayArb
42.7%
Polymarket 18.4%polled, 1 min agoKalshi 67%polled, 2 min agoBest Yes 29.5¢ on Polymarket, $100 pays $339 (3.39x)
Polymarket
Contract
Corey Day
Last price
18.4%
As of
Polled 1 min ago
Buy Yes
29.5¢
Sell Yes
7.3¢
$100 on Yes pays
$339 (3.39x)
Volume
$914
Trade this on Polymarket
Kalshi
Contract
Corey Day
Last price
67%
As of
Polled 2 min ago
Buy Yes
77¢
Sell Yes
57¢
$100 on Yes pays
$130 (1.30x)
Trade this on Kalshi
Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Buying on Polymarket at 29.5¢ and selling on Kalshi at 57¢ nets 2750 bps before fees.

Show 28 more outcomes
William Sawalich
39.5%
Kalshi 39.5%polled, 2 min agoBest Yes 44¢ on Kalshi, $100 pays $227 (2.27x)
Kalshi
Contract
William Sawalich
Last price
39.5%
As of
Polled 2 min ago
Buy Yes
44¢
Sell Yes
35¢
$100 on Yes pays
$227 (2.27x)
Trade this on Kalshi
Carson KvapilArb
36.3%
Polymarket 8.1%polled, 1 min agoKalshi 64.5%polled, 2 min agoBest Yes 8.6¢ on Polymarket, $100 pays $1,163 (11.6x)
Polymarket
Contract
Carson Kvapil
Last price
8.1%
As of
Polled 1 min ago
Buy Yes
8.6¢
Sell Yes
7.5¢
$100 on Yes pays
$1,163 (11.6x)
Volume
$2K
Trade this on Polymarket
Kalshi
Contract
Carson Kvapil
Last price
64.5%
As of
Polled 2 min ago
Buy Yes
77¢
Sell Yes
52¢
$100 on Yes pays
$130 (1.30x)
Trade this on Kalshi
Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Buying on Polymarket at 8.6¢ and selling on Kalshi at 52¢ nets 4340 bps before fees.

Parker Retzlaff
31%
Kalshi 31%polled, 2 min agoBest Yes 31¢ on Kalshi, $100 pays $323 (3.23x)
Kalshi
Contract
Parker Retzlaff
Last price
31%
As of
Polled 2 min ago
Buy Yes
31¢
Sell Yes
26¢
$100 on Yes pays
$323 (3.23x)
Trade this on Kalshi
Ryan Sieg
30%
Kalshi 30%polled, 2 min agoBest Yes 38¢ on Kalshi, $100 pays $263 (2.63x)
Kalshi
Contract
Ryan Sieg
Last price
30%
As of
Polled 2 min ago
Buy Yes
38¢
Sell Yes
22¢
$100 on Yes pays
$263 (2.63x)
Trade this on Kalshi
Anthony Alfredo
27%
Kalshi 27%polled, 2 min agoBest Yes 41¢ on Kalshi, $100 pays $244 (2.44x)
Kalshi
Contract
Anthony Alfredo
Last price
27%
As of
Polled 2 min ago
Buy Yes
41¢
Sell Yes
13¢
$100 on Yes pays
$244 (2.44x)
Trade this on Kalshi
Harrison Burton
23%
Kalshi 23%polled, 2 min agoBest Yes 23¢ on Kalshi, $100 pays $435 (4.35x)
Kalshi
Contract
Harrison Burton
Last price
23%
As of
Polled 2 min ago
Buy Yes
23¢
Sell Yes
15¢
$100 on Yes pays
$435 (4.35x)
Volume
$225
Trade this on Kalshi
Jeremy Clements
22%
Kalshi 22%polled, 2 min agoBest Yes 33¢ on Kalshi, $100 pays $303 (3.03x)
Kalshi
Contract
Jeremy Clements
Last price
22%
As of
Polled 2 min ago
Buy Yes
33¢
Sell Yes
11¢
$100 on Yes pays
$303 (3.03x)
Trade this on Kalshi
Dean Thompson
18%
Kalshi 18%polled, 2 min agoBest Yes 18¢ on Kalshi, $100 pays $556 (5.56x)
Kalshi
Contract
Dean Thompson
Last price
18%
As of
Polled 2 min ago
Buy Yes
18¢
Sell Yes
11¢
$100 on Yes pays
$556 (5.56x)
Volume
$106
Trade this on Kalshi
Sheldon CreedArb
16.3%
Polymarket 1.4%polled, 1 min agoKalshi 61%polled, 2 min agoBest Yes 2.3¢ on Polymarket, $100 pays $4,348 (43.5x)
Polymarket
Contract
Sheldon Creed
Last price
1.4%
As of
Polled 1 min ago
Buy Yes
2.3¢
Sell Yes
0.4¢
$100 on Yes pays
$4,348 (43.5x)
Volume
$7K
Trade this on Polymarket
Kalshi
Contract
Sheldon Creed
Last price
61%
As of
Polled 2 min ago
Buy Yes
67¢
Sell Yes
61¢
$100 on Yes pays
$149 (1.49x)
Volume
$250
Trade this on Kalshi
Same label, rules unverified

Labels suggest the same named outcome; no persisted outcome identity or settlement parity is verified.

Buying on Polymarket at 2.3¢ and selling on Kalshi at 61¢ nets 5870 bps before fees.

Nick Sanchez
12.5%
Kalshi 12.5%polled, 2 min agoBest Yes 25¢ on Kalshi, $100 pays $400 (4.00x)
Kalshi
Contract
Nick Sanchez
Last price
12.5%
As of
Polled 2 min ago
Buy Yes
25¢
Sell Yes
—
$100 on Yes pays
$400 (4.00x)
Trade this on Kalshi
Jeb Burton
8%
Kalshi 8%polled, 2 min agoBest Yes 11¢ on Kalshi, $100 pays $909 (9.09x)
Kalshi
Contract
Jeb Burton
Last price
8%
As of
Polled 2 min ago
Buy Yes
11¢
Sell Yes
5¢
$100 on Yes pays
$909 (9.09x)
Trade this on Kalshi
Andrew Patterson
6%
Kalshi 6%polled, 2 min agoBest Yes 91¢ on Kalshi, $100 pays $110 (1.10x)
Kalshi
Contract
Andrew Patterson
Last price
6%
As of
Polled 2 min ago
Buy Yes
91¢
Sell Yes
—
$100 on Yes pays
$110 (1.10x)
Volume
$250
Trade this on Kalshi
Brennan Poole
4.5%
Kalshi 4.5%polled, 2 min agoBest Yes 8¢ on Kalshi, $100 pays $1,250 (12.5x)
Kalshi
Contract
Brennan Poole
Last price
4.5%
As of
Polled 2 min ago
Buy Yes
8¢
Sell Yes
1¢
$100 on Yes pays
$1,250 (12.5x)
Trade this on Kalshi
Kyle Sieg
4.5%
Kalshi 4.5%polled, 2 min agoBest Yes 8¢ on Kalshi, $100 pays $1,250 (12.5x)
Kalshi
Contract
Kyle Sieg
Last price
4.5%
As of
Polled 2 min ago
Buy Yes
8¢
Sell Yes
1¢
$100 on Yes pays
$1,250 (12.5x)
Trade this on Kalshi
Patrick Staropoli
3.5%
Kalshi 3.5%polled, 2 min agoBest Yes 7¢ on Kalshi, $100 pays $1,429 (14.3x)
Kalshi
Contract
Patrick Staropoli
Last price
3.5%
As of
Polled 2 min ago
Buy Yes
7¢
Sell Yes
—
$100 on Yes pays
$1,429 (14.3x)
Trade this on Kalshi
Josh Williams
3%
Kalshi 3%polled, 2 min agoBest Yes 5¢ on Kalshi, $100 pays $2,000 (20.0x)
Kalshi
Contract
Josh Williams
Last price
3%
As of
Polled 2 min ago
Buy Yes
5¢
Sell Yes
1¢
$100 on Yes pays
$2,000 (20.0x)
Trade this on Kalshi
Auto Parts: Will Rodgers to finish in the top 10
2.5%
Kalshi 2.5%polled, 2 min agoBest Yes 5¢ on Kalshi, $100 pays $2,000 (20.0x)
Kalshi
Contract
Auto Parts: Will Rodgers to finish in the top 10
Last price
2.5%
As of
Polled 2 min ago
Buy Yes
5¢
Sell Yes
—
$100 on Yes pays
$2,000 (20.0x)
Trade this on Kalshi
Brad Perez
2.5%
Kalshi 2.5%polled, 2 min agoBest Yes 5¢ on Kalshi, $100 pays $2,000 (20.0x)
Kalshi
Contract
Brad Perez
Last price
2.5%
As of
Polled 2 min ago
Buy Yes
5¢
Sell Yes
—
$100 on Yes pays
$2,000 (20.0x)
Trade this on Kalshi
Brad Perez
2.5%
Kalshi 2.5%polled, 2 min agoBest Yes 5¢ on Kalshi, $100 pays $2,000 (20.0x)
Kalshi
Contract
Blaine Perkins
Last price
2.5%
As of
Polled 2 min ago
Buy Yes
5¢
Sell Yes
—
$100 on Yes pays
$2,000 (20.0x)
Trade this on Kalshi
Lavar Scott
2.5%
Kalshi 2.5%polled, 2 min agoBest Yes 5¢ on Kalshi, $100 pays $2,000 (20.0x)
Kalshi
Contract
Lavar Scott
Last price
2.5%
As of
Polled 2 min ago
Buy Yes
5¢
Sell Yes
—
$100 on Yes pays
$2,000 (20.0x)
Trade this on Kalshi
Mason Maggio
2.5%
Kalshi 2.5%polled, 2 min agoBest Yes 5¢ on Kalshi, $100 pays $2,000 (20.0x)
Kalshi
Contract
Mason Maggio
Last price
2.5%
As of
Polled 2 min ago
Buy Yes
5¢
Sell Yes
—
$100 on Yes pays
$2,000 (20.0x)
Trade this on Kalshi
Preston Pardus
2.5%
Kalshi 2.5%polled, 2 min agoBest Yes 5¢ on Kalshi, $100 pays $2,000 (20.0x)
Kalshi
Contract
Preston Pardus
Last price
2.5%
As of
Polled 2 min ago
Buy Yes
5¢
Sell Yes
—
$100 on Yes pays
$2,000 (20.0x)
Trade this on Kalshi
Josh Bilicki
2%
Kalshi 2%polled, 2 min agoBest Yes 4¢ on Kalshi, $100 pays $2,500 (25.0x)
Kalshi
Contract
Josh Bilicki
Last price
2%
As of
Polled 2 min ago
Buy Yes
4¢
Sell Yes
—
$100 on Yes pays
$2,500 (25.0x)
Trade this on Kalshi
Garrett Smithley
1.5%
Kalshi 1.5%polled, 2 min agoBest Yes 3¢ on Kalshi, $100 pays $3,333 (33.3x)
Kalshi
Contract
Garrett Smithley
Last price
1.5%
As of
Polled 2 min ago
Buy Yes
3¢
Sell Yes
—
$100 on Yes pays
$3,333 (33.3x)
Trade this on Kalshi
Patrick Emerling
1.5%
Kalshi 1.5%polled, 2 min agoBest Yes 3¢ on Kalshi, $100 pays $3,333 (33.3x)
Kalshi
Contract
Patrick Emerling
Last price
1.5%
As of
Polled 2 min ago
Buy Yes
3¢
Sell Yes
—
$100 on Yes pays
$3,333 (33.3x)
Trade this on Kalshi
Ryan Ellis
1.5%
Kalshi 1.5%polled, 2 min agoBest Yes 3¢ on Kalshi, $100 pays $3,333 (33.3x)
Kalshi
Contract
Ryan Ellis
Last price
1.5%
As of
Polled 2 min ago
Buy Yes
3¢
Sell Yes
—
$100 on Yes pays
$3,333 (33.3x)
Trade this on Kalshi
Dawson Cram
1%
Kalshi 1%polled, 2 min agoBest Yes 2¢ on Kalshi, $100 pays $5,000 (50.0x)
Kalshi
Contract
Dawson Cram
Last price
1%
As of
Polled 2 min ago
Buy Yes
2¢
Sell Yes
—
$100 on Yes pays
$5,000 (50.0x)
Trade this on Kalshi
Joey Gase
1%
Kalshi 1%polled, 2 min agoBest Yes 2¢ on Kalshi, $100 pays $5,000 (50.0x)
Kalshi
Contract
Joey Gase
Last price
1%
As of
Polled 2 min ago
Buy Yes
2¢
Sell Yes
—
$100 on Yes pays
$5,000 (50.0x)
Trade this on Kalshi

Possible arbitrage before fees: buy Sheldon Creed on Polymarket at 2.3¢, sell on Kalshi at 61¢ (5870 bps). Check the rules below before trading. See all live spreads

Mostly the same bet: one difference

Where they differ

  • Trading closes at different times: Nov 7, 2026, 11:59 PM UTC on Polymarket and Nov 15, 2026, 4:00 AM UTC on Kalshi.
Polymarket
Polymarket resolves via:
UMA optimistic oracle, source: nascar.com
Kalshi
Kalshi resolves via:
Kalshi (CFTC-regulated exchange), source: the Governing League
Show full rule comparison
  • Trading closes Nov 7, 2026, 11:59 PM UTC on Polymarket and Nov 15, 2026, 4:00 AM UTC on Kalshi.

Summarized from each venue’s published rules; the venue’s own rules page is the final word.

How the odds have moved

The top 3 outcomes on both venues, with the consensus between them. Hover for exact values.

  • Sam Mayer
  • Austin Hill
  • Brent Crews

Order books

Each venue’s resting orders for the selected outcome’s Yes contract, side by side. Top of book streams live; depth refreshes every 15 seconds.

Polymarket

Polymarket doesn’t list Sam Mayer for this event.

Top of book

Connecting
Best bid
—
Spread
—
Best ask
—

Waiting for the first live quote…

Depth · top 8 levels

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Recent trades

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What your stake buys

Enter a stake to see where it buys the most after fees, using each venue’s live order book.

$
Buy

Loading both order books…

Buys at the asks resting now (taker orders), cheapest after fees first, from order-book snapshots up to 15 seconds old. Fees: Kalshi 0.07 × price × (1 − price) per share, rounded up to the cent; Polymarket 0.05 × price × (1 − price) per share (sports rate). Fee calculator. Estimates only, not advice.

About this market

Live prediction market odds for "NASCAR O'Reilly Auto Parts Series Championship: Top 10 Finishers". Sam Mayer leads at 64%. Next is Austin Hill at 62%. $35K has traded across 38 outcomes on Polymarket and Kalshi. The market is expected to resolve by Nov 15, 2026.

Questions

What does the consensus price mean?

It is the price of a Yes contract that pays $1 if the outcome happens. A 14¢ price means traders put the chance near 14%. Where two venues list the same outcome, we blend their last prices, weighting the venue with more trading volume more heavily (neither counts for less than a quarter). When only one outcome can win, each venue’s prices add up to a little over 100% (its margin); the fair chance removes that margin so the outcomes add up to exactly 100%.

How is the payout worked out?

A Yes contract pays $1 if it wins, so at the best ask a $100 stake buys 100 ÷ ask contracts. At 18¢ that is about 555 contracts, paying $556 (5.56x) if Yes happens. Venue fees and price slippage on larger orders are not included.

Why do the venues show different prices?

Each venue has its own traders, fees and order book. Contracts can also settle on slightly different terms, which is why each row lists how closely the rules match.

Is a price gap an arbitrage?

Only when you can buy Yes on one venue below what someone pays for Yes on the other, after fees, and both contracts settle the same way. We show the executable bid and ask so you can check.

How fresh are these prices?

Venue prices refresh every few minutes, and the order book and live quotes stream continuously. Each venue’s card shows when we last observed it.

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