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What the markets expect
Boston wins by over 1.5 points 51%
Next is Boston wins by over 3.5 points at 41%. Only Kalshi lists this market, so there is no second price to compare.
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. Ages are as of when this page was built.
- Kalshi
Outcome
Consensus
Venue prices on a 0–100% scale
Kalshi
Best Yes price
Boston wins by over 1.5 points51%51%48¢ bid, 51¢ askpolled, 39s ago51¢ on Kalshi$100 pays $196 (1.96x)Boston wins by over 1.5 points51%Kalshi 51%polled, 39s agoBest Yes 51¢ on Kalshi, $100 pays $196 (1.96x)
Boston wins by over 1.5 points
51%
51%
48¢ bid, 51¢ ask
polled, 39s ago
51¢ on Kalshi
$100 pays $196 (1.96x)
Boston wins by over 1.5 points
51%
Kalshi 51%polled, 39s agoBest Yes 51¢ on Kalshi, $100 pays $196 (1.96x)
Kalshi
- Contract
- Boston wins by over 1.5 points
- Last price
- 51%
- As of
- Polled just now
- Buy Yes
- 51¢
- Sell Yes
- 48¢
- $100 on Yes pays
- $196 (1.96x)
- Volume
- $2K
Boston wins by over 3.5 points41%41%40¢ bid, 42¢ askpolled, 39s ago42¢ on Kalshi$100 pays $238 (2.38x)Boston wins by over 3.5 points41%Kalshi 41%polled, 39s agoBest Yes 42¢ on Kalshi, $100 pays $238 (2.38x)
Boston wins by over 3.5 points
41%
41%
40¢ bid, 42¢ ask
polled, 39s ago
42¢ on Kalshi
$100 pays $238 (2.38x)
Boston wins by over 3.5 points
41%
Kalshi 41%polled, 39s agoBest Yes 42¢ on Kalshi, $100 pays $238 (2.38x)
Kalshi
- Contract
- Boston wins by over 3.5 points
- Last price
- 41%
- As of
- Polled just now
- Buy Yes
- 42¢
- Sell Yes
- 40¢
- $100 on Yes pays
- $238 (2.38x)
New York wins by over 1.5 points41%41%38¢ bid, 41¢ askpolled, 39s ago41¢ on Kalshi$100 pays $244 (2.44x)New York wins by over 1.5 points41%Kalshi 41%polled, 39s agoBest Yes 41¢ on Kalshi, $100 pays $244 (2.44x)
New York wins by over 1.5 points
41%
41%
38¢ bid, 41¢ ask
polled, 39s ago
41¢ on Kalshi
$100 pays $244 (2.44x)
New York wins by over 1.5 points
41%
Kalshi 41%polled, 39s agoBest Yes 41¢ on Kalshi, $100 pays $244 (2.44x)
Kalshi
- Contract
- New York wins by over 1.5 points
- Last price
- 41%
- As of
- Polled just now
- Buy Yes
- 41¢
- Sell Yes
- 38¢
- $100 on Yes pays
- $244 (2.44x)
- Volume
- $11
New York wins by over 2.5 points35.5%35.5%34¢ bid, 37¢ askpolled, 39s ago37¢ on Kalshi$100 pays $270 (2.70x)New York wins by over 2.5 points35.5%Kalshi 35.5%polled, 39s agoBest Yes 37¢ on Kalshi, $100 pays $270 (2.70x)
New York wins by over 2.5 points
35.5%
35.5%
34¢ bid, 37¢ ask
polled, 39s ago
37¢ on Kalshi
$100 pays $270 (2.70x)
New York wins by over 2.5 points
35.5%
Kalshi 35.5%polled, 39s agoBest Yes 37¢ on Kalshi, $100 pays $270 (2.70x)
Kalshi
- Contract
- New York wins by over 2.5 points
- Last price
- 35.5%
- As of
- Polled just now
- Buy Yes
- 37¢
- Sell Yes
- 34¢
- $100 on Yes pays
- $270 (2.70x)
Boston wins by over 5.5 points34.5%34.5%33¢ bid, 36¢ askpolled, 39s ago36¢ on Kalshi$100 pays $278 (2.78x)Boston wins by over 5.5 points34.5%Kalshi 34.5%polled, 39s agoBest Yes 36¢ on Kalshi, $100 pays $278 (2.78x)
Boston wins by over 5.5 points
34.5%
34.5%
33¢ bid, 36¢ ask
polled, 39s ago
36¢ on Kalshi
$100 pays $278 (2.78x)
Boston wins by over 5.5 points
34.5%
Kalshi 34.5%polled, 39s agoBest Yes 36¢ on Kalshi, $100 pays $278 (2.78x)
Kalshi
- Contract
- Boston wins by over 5.5 points
- Last price
- 34.5%
- As of
- Polled just now
- Buy Yes
- 36¢
- Sell Yes
- 33¢
- $100 on Yes pays
- $278 (2.78x)
New York wins by over 4.5 points29%29%27¢ bid, 31¢ askpolled, 39s ago31¢ on Kalshi$100 pays $323 (3.23x)New York wins by over 4.5 points29%Kalshi 29%polled, 39s agoBest Yes 31¢ on Kalshi, $100 pays $323 (3.23x)
New York wins by over 4.5 points
29%
29%
27¢ bid, 31¢ ask
polled, 39s ago
31¢ on Kalshi
$100 pays $323 (3.23x)
New York wins by over 4.5 points
29%
Kalshi 29%polled, 39s agoBest Yes 31¢ on Kalshi, $100 pays $323 (3.23x)
Kalshi
- Contract
- New York wins by over 4.5 points
- Last price
- 29%
- As of
- Polled just now
- Buy Yes
- 31¢
- Sell Yes
- 27¢
- $100 on Yes pays
- $323 (3.23x)
Boston wins by over 7.5 points27.5%27.5%25¢ bid, 30¢ askpolled, 39s ago30¢ on Kalshi$100 pays $333 (3.33x)Boston wins by over 7.5 points27.5%Kalshi 27.5%polled, 39s agoBest Yes 30¢ on Kalshi, $100 pays $333 (3.33x)
Boston wins by over 7.5 points
27.5%
27.5%
25¢ bid, 30¢ ask
polled, 39s ago
30¢ on Kalshi
$100 pays $333 (3.33x)
Boston wins by over 7.5 points
27.5%
Kalshi 27.5%polled, 39s agoBest Yes 30¢ on Kalshi, $100 pays $333 (3.33x)
Kalshi
- Contract
- Boston wins by over 7.5 points
- Last price
- 27.5%
- As of
- Polled just now
- Buy Yes
- 30¢
- Sell Yes
- 25¢
- $100 on Yes pays
- $333 (3.33x)
New York wins by over 6.5 points22%22%19¢ bid, 25¢ askpolled, 39s ago25¢ on Kalshi$100 pays $400 (4.00x)New York wins by over 6.5 points22%Kalshi 22%polled, 39s agoBest Yes 25¢ on Kalshi, $100 pays $400 (4.00x)
New York wins by over 6.5 points
22%
22%
19¢ bid, 25¢ ask
polled, 39s ago
25¢ on Kalshi
$100 pays $400 (4.00x)
New York wins by over 6.5 points
22%
Kalshi 22%polled, 39s agoBest Yes 25¢ on Kalshi, $100 pays $400 (4.00x)
Kalshi
- Contract
- New York wins by over 6.5 points
- Last price
- 22%
- As of
- Polled just now
- Buy Yes
- 25¢
- Sell Yes
- 19¢
- $100 on Yes pays
- $400 (4.00x)
Boston wins by over 9.5 points21.5%21.5%19¢ bid, 24¢ askpolled, 39s ago24¢ on Kalshi$100 pays $417 (4.17x)Boston wins by over 9.5 points21.5%Kalshi 21.5%polled, 39s agoBest Yes 24¢ on Kalshi, $100 pays $417 (4.17x)
Boston wins by over 9.5 points
21.5%
21.5%
19¢ bid, 24¢ ask
polled, 39s ago
24¢ on Kalshi
$100 pays $417 (4.17x)
Boston wins by over 9.5 points
21.5%
Kalshi 21.5%polled, 39s agoBest Yes 24¢ on Kalshi, $100 pays $417 (4.17x)
Kalshi
- Contract
- Boston wins by over 9.5 points
- Last price
- 21.5%
- As of
- Polled just now
- Buy Yes
- 24¢
- Sell Yes
- 19¢
- $100 on Yes pays
- $417 (4.17x)
New York wins by over 8.5 points18%18%16¢ bid, 20¢ askpolled, 39s ago20¢ on Kalshi$100 pays $500 (5.00x)New York wins by over 8.5 points18%Kalshi 18%polled, 39s agoBest Yes 20¢ on Kalshi, $100 pays $500 (5.00x)
New York wins by over 8.5 points
18%
18%
16¢ bid, 20¢ ask
polled, 39s ago
20¢ on Kalshi
$100 pays $500 (5.00x)
New York wins by over 8.5 points
18%
Kalshi 18%polled, 39s agoBest Yes 20¢ on Kalshi, $100 pays $500 (5.00x)
Kalshi
- Contract
- New York wins by over 8.5 points
- Last price
- 18%
- As of
- Polled just now
- Buy Yes
- 20¢
- Sell Yes
- 16¢
- $100 on Yes pays
- $500 (5.00x)
Show 9 more outcomesHide 9 outcomes
Boston wins by over 11.5 points16.5%16.5%14¢ bid, 19¢ askpolled, 39s ago19¢ on Kalshi$100 pays $526 (5.26x)Boston wins by over 11.5 points16.5%Kalshi 16.5%polled, 39s agoBest Yes 19¢ on Kalshi, $100 pays $526 (5.26x)
Boston wins by over 11.5 points
16.5%
16.5%
14¢ bid, 19¢ ask
polled, 39s ago
19¢ on Kalshi
$100 pays $526 (5.26x)
Boston wins by over 11.5 points
16.5%
Kalshi 16.5%polled, 39s agoBest Yes 19¢ on Kalshi, $100 pays $526 (5.26x)
Kalshi
- Contract
- Boston wins by over 11.5 points
- Last price
- 16.5%
- As of
- Polled just now
- Buy Yes
- 19¢
- Sell Yes
- 14¢
- $100 on Yes pays
- $526 (5.26x)
New York wins by over 10.5 points12.5%12.5%9¢ bid, 16¢ askpolled, 39s ago16¢ on Kalshi$100 pays $625 (6.25x)New York wins by over 10.5 points12.5%Kalshi 12.5%polled, 39s agoBest Yes 16¢ on Kalshi, $100 pays $625 (6.25x)
New York wins by over 10.5 points
12.5%
12.5%
9¢ bid, 16¢ ask
polled, 39s ago
16¢ on Kalshi
$100 pays $625 (6.25x)
New York wins by over 10.5 points
12.5%
Kalshi 12.5%polled, 39s agoBest Yes 16¢ on Kalshi, $100 pays $625 (6.25x)
Kalshi
- Contract
- New York wins by over 10.5 points
- Last price
- 12.5%
- As of
- Polled just now
- Buy Yes
- 16¢
- Sell Yes
- 9¢
- $100 on Yes pays
- $625 (6.25x)
Boston wins by over 13.5 points11.5%11.5%8¢ bid, 15¢ askpolled, 39s ago15¢ on Kalshi$100 pays $667 (6.67x)Boston wins by over 13.5 points11.5%Kalshi 11.5%polled, 39s agoBest Yes 15¢ on Kalshi, $100 pays $667 (6.67x)
Boston wins by over 13.5 points
11.5%
11.5%
8¢ bid, 15¢ ask
polled, 39s ago
15¢ on Kalshi
$100 pays $667 (6.67x)
Boston wins by over 13.5 points
11.5%
Kalshi 11.5%polled, 39s agoBest Yes 15¢ on Kalshi, $100 pays $667 (6.67x)
Kalshi
- Contract
- Boston wins by over 13.5 points
- Last price
- 11.5%
- As of
- Polled just now
- Buy Yes
- 15¢
- Sell Yes
- 8¢
- $100 on Yes pays
- $667 (6.67x)
Boston wins by over 15.5 points9.5%9.5%6¢ bid, 13¢ askpolled, 39s ago13¢ on Kalshi$100 pays $769 (7.69x)Boston wins by over 15.5 points9.5%Kalshi 9.5%polled, 39s agoBest Yes 13¢ on Kalshi, $100 pays $769 (7.69x)
Boston wins by over 15.5 points
9.5%
9.5%
6¢ bid, 13¢ ask
polled, 39s ago
13¢ on Kalshi
$100 pays $769 (7.69x)
Boston wins by over 15.5 points
9.5%
Kalshi 9.5%polled, 39s agoBest Yes 13¢ on Kalshi, $100 pays $769 (7.69x)
Kalshi
- Contract
- Boston wins by over 15.5 points
- Last price
- 9.5%
- As of
- Polled just now
- Buy Yes
- 13¢
- Sell Yes
- 6¢
- $100 on Yes pays
- $769 (7.69x)
New York wins by over 12.5 points9.5%9.5%6¢ bid, 13¢ askpolled, 39s ago13¢ on Kalshi$100 pays $769 (7.69x)New York wins by over 12.5 points9.5%Kalshi 9.5%polled, 39s agoBest Yes 13¢ on Kalshi, $100 pays $769 (7.69x)
New York wins by over 12.5 points
9.5%
9.5%
6¢ bid, 13¢ ask
polled, 39s ago
13¢ on Kalshi
$100 pays $769 (7.69x)
New York wins by over 12.5 points
9.5%
Kalshi 9.5%polled, 39s agoBest Yes 13¢ on Kalshi, $100 pays $769 (7.69x)
Kalshi
- Contract
- New York wins by over 12.5 points
- Last price
- 9.5%
- As of
- Polled just now
- Buy Yes
- 13¢
- Sell Yes
- 6¢
- $100 on Yes pays
- $769 (7.69x)
New York wins by over 14.5 points7.5%7.5%4¢ bid, 11¢ askpolled, 39s ago11¢ on Kalshi$100 pays $909 (9.09x)New York wins by over 14.5 points7.5%Kalshi 7.5%polled, 39s agoBest Yes 11¢ on Kalshi, $100 pays $909 (9.09x)
New York wins by over 14.5 points
7.5%
7.5%
4¢ bid, 11¢ ask
polled, 39s ago
11¢ on Kalshi
$100 pays $909 (9.09x)
New York wins by over 14.5 points
7.5%
Kalshi 7.5%polled, 39s agoBest Yes 11¢ on Kalshi, $100 pays $909 (9.09x)
Kalshi
- Contract
- New York wins by over 14.5 points
- Last price
- 7.5%
- As of
- Polled just now
- Buy Yes
- 11¢
- Sell Yes
- 4¢
- $100 on Yes pays
- $909 (9.09x)
Boston wins by over 17.5 points6.5%6.5%3¢ bid, 10¢ askpolled, 39s ago10¢ on Kalshi$100 pays $1,000 (10.0x)Boston wins by over 17.5 points6.5%Kalshi 6.5%polled, 39s agoBest Yes 10¢ on Kalshi, $100 pays $1,000 (10.0x)
Boston wins by over 17.5 points
6.5%
6.5%
3¢ bid, 10¢ ask
polled, 39s ago
10¢ on Kalshi
$100 pays $1,000 (10.0x)
Boston wins by over 17.5 points
6.5%
Kalshi 6.5%polled, 39s agoBest Yes 10¢ on Kalshi, $100 pays $1,000 (10.0x)
Kalshi
- Contract
- Boston wins by over 17.5 points
- Last price
- 6.5%
- As of
- Polled just now
- Buy Yes
- 10¢
- Sell Yes
- 3¢
- $100 on Yes pays
- $1,000 (10.0x)
New York wins by over 16.5 points6%6%3¢ bid, 9¢ askpolled, 39s ago9¢ on Kalshi$100 pays $1,111 (11.1x)New York wins by over 16.5 points6%Kalshi 6%polled, 39s agoBest Yes 9¢ on Kalshi, $100 pays $1,111 (11.1x)
New York wins by over 16.5 points
6%
6%
3¢ bid, 9¢ ask
polled, 39s ago
9¢ on Kalshi
$100 pays $1,111 (11.1x)
New York wins by over 16.5 points
6%
Kalshi 6%polled, 39s agoBest Yes 9¢ on Kalshi, $100 pays $1,111 (11.1x)
Kalshi
- Contract
- New York wins by over 16.5 points
- Last price
- 6%
- As of
- Polled just now
- Buy Yes
- 9¢
- Sell Yes
- 3¢
- $100 on Yes pays
- $1,111 (11.1x)
Boston wins by over 19.5 points5.5%5.5%3¢ bid, 8¢ askpolled, 39s ago8¢ on Kalshi$100 pays $1,250 (12.5x)Boston wins by over 19.5 points5.5%Kalshi 5.5%polled, 39s agoBest Yes 8¢ on Kalshi, $100 pays $1,250 (12.5x)
Boston wins by over 19.5 points
5.5%
5.5%
3¢ bid, 8¢ ask
polled, 39s ago
8¢ on Kalshi
$100 pays $1,250 (12.5x)
Boston wins by over 19.5 points
5.5%
Kalshi 5.5%polled, 39s agoBest Yes 8¢ on Kalshi, $100 pays $1,250 (12.5x)
Kalshi
- Contract
- Boston wins by over 19.5 points
- Last price
- 5.5%
- As of
- Polled just now
- Buy Yes
- 8¢
- Sell Yes
- 3¢
- $100 on Yes pays
- $1,250 (12.5x)
Who resolves this market
- Kalshi resolves via:
- Kalshi (CFTC-regulated exchange), source: the Governing League, ESPN
How the odds have moved
The top 3 outcomes on both venues, with the consensus between them. Hover for exact values.
- Boston wins by over 1.5 points
- Boston wins by over 3.5 points
- New York wins by over 1.5 points
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.
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 "New York vs Boston: 1st Half Spread". Boston wins by over 1.5 points leads at 51%. Next is Boston wins by over 3.5 points at 41%. $2K has traded across 19 outcomes on Kalshi. The market is expected to resolve by Oct 25, 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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