What does Polymarket cost vs Kalshi?

Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.

Which platform has the deepest liquidity?

Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.

Is Betfair a Polymarket alternative?

Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.

What about Smarkets as an alternative?

Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.

Are all these platforms regulated?

No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.

Iowa vs. Michigan | Kalshi Alternative 2026

Name: Iowa vs. Michigan
Start: 2026-09-21T19:36:31.000Z
End: 2026-09-26T19:30:00.000Z

Platform comparison

Platform	YES odds	NO odds	Fee	KYC	Settlement
Polymarket (via Kalshi Alternative) Pick polygram.ink (preferred broker)	95%	5%	0% (USDC on-chain)	No-KYC up to $1,500	USDC, auto via UMA oracle	Go to the live market →
Polymarket (direct) polymarket.com	95%	5%	0%	Geo-blocked in US/UK/EU	USDC, on-chain	Go to the live market →
Kalshi kalshi.com	—	—	Up to 7% per trade	US-only, KYC required	USD	Go to the live market →
Betfair Exchange betfair.com	—	—	2-5% commission	Full KYC from first trade	GBP / EUR	Go to the live market →
Manifold Markets manifold.markets	—	—	Play-money (mana)	None — play-money	Mana (no cash-out)	Go to the live market →

Outcome probabilities

Current market-implied probability for each outcome, from the live order book.

Outcome	Probability
O/U 18.5	95%
O/U 20.5	92%
O/U 22.5	92%
O/U 24.5	91%
O/U 28.5	87%
O/U 26.5	85%
O/U 30.5	84%
Michigan Total First Downs: O/U 21.5	76%
Iowa Total First Downs: O/U 21.5	75%
Iowa Total First Downs: O/U 19.5	75%
Michigan Total First Downs: O/U 23.5	75%
Iowa Total First Downs: O/U 23.5	75%
Michigan Total First Downs: O/U 19.5	75%
1H O/U 13.5	74%
Michigan O/U 16.5	72%
O/U 32.5	71%
2Q O/U 7.5	71%
1Q Moneyline	70%
Spread -0.5	67%
O/U 34.5	66%
Spread -1.5	64%
1H O/U 16.5	64%
Iowa O/U 13.5	64%
Spread -2.5	63%
O/U 36.5	62%
Michigan O/U 19.5	62%
1H Spread -0.5	58%
Spread -3.5	56%
1H Spread -1.5	56%
O/U 38.5	55%
1H Spread -2.5	55%
Iowa O/U 16.5	54%
Michigan 1H O/U 13.5	54%
Spread -4.5	53%
1H O/U 19.5	53%
Spread -5.5	50%
Spread -26.5	50%
1H Spread -1.5	50%
1H O/U 25.5	50%
2H Spread -1.5	50%
2H Spread -0.5	50%
2H Spread -1.5	50%
2H Spread -2.5	50%
2H Spread -3.5	50%
2H Spread -5.5	50%
2H O/U 13.5	50%
2H O/U 19.5	50%
2H O/U 22.5	50%
2H O/U 25.5	50%
1Q Spread -1.5	50%
1Q Spread -0.5	50%
1Q Spread -1.5	50%
1Q O/U 1.5	50%
1Q O/U 4.5	50%
2Q Spread -1.5	50%
2Q Spread -0.5	50%
2Q Spread -5.5	50%
2Q O/U 4.5	50%
3Q Spread -1.5	50%
3Q Spread -0.5	50%
3Q Spread -1.5	50%
3Q Spread -5.5	50%
3Q O/U 1.5	50%
3Q O/U 4.5	50%
3Q O/U 7.5	50%
4Q Spread -1.5	50%
4Q Spread -0.5	50%
4Q Spread -1.5	50%
4Q Spread -2.5	50%
4Q Spread -5.5	50%
4Q O/U 3.5	50%
4Q O/U 6.5	50%
4Q O/U 9.5	50%
4Q O/U 15.5	50%
Iowa O/U 10.5	50%
Iowa O/U 22.5	50%
Michigan O/U 22.5	50%
Michigan O/U 25.5	50%
Michigan O/U 28.5	50%
Iowa 1H O/U 5.5	50%
Iowa 1H O/U 9.5	50%
Michigan 1H O/U 11.5	50%
Michigan 1H O/U 15.5	50%
Iowa 2H O/U 6.5	50%
Iowa 2H O/U 8.5	50%
Iowa 2H O/U 10.5	50%
Michigan 2H O/U 9.5	50%
Michigan 2H O/U 11.5	50%
Michigan 2H O/U 13.5	50%
2H Moneyline	50%
Iowa O/U 1.5	50%
Michigan O/U 2.5	50%
2Q Moneyline	50%
3Q Moneyline	50%
4Q Moneyline	50%
Both Teams to Score a Touchdown - 1H	50%
Both Teams to Score a Touchdown - 2H	50%
Both Teams to Score a Touchdown - Q2	50%
Both Teams to Score a Touchdown - Q3	50%
Both Teams to Score Points - Q1	50%
Both Teams to Score a Touchdown	50%
Both Teams to Score a Touchdown - Q4	50%
Both Teams to Score a Touchdown - Q1	50%
Both Teams to Score Points - Q2	50%
Both Teams to Score Points - Q3	50%
Iowa vs. Michigan: Total Touchdowns O/U 3.5	50%
Pick-Six Scored	50%
Both Teams to Score Points - Q4	50%
Game Goes to Overtime	50%
Iowa vs. Michigan: Total Touchdowns O/U 4.5	50%
Kickoff or Punt Return Touchdown	50%
Iowa vs. Michigan: Total Touchdowns O/U 5.5	50%
Iowa Total Passing Touchdowns: O/U 0.5	50%
Michigan Total Passing Touchdowns: O/U 0.5	50%
Iowa Total Passing Touchdowns: O/U 2.5	50%
Michigan Total Passing Touchdowns: O/U 1.5	50%
Iowa Total Passing Yards: O/U 200.5	50%
Michigan Total Passing Touchdowns: O/U 2.5	50%
Iowa Total Passing Touchdowns: O/U 1.5	50%
Iowa Total Passing Yards: O/U 225.5	50%
Iowa Total Passing Yards: O/U 250.5	50%
Michigan Total Passing Yards: O/U 200.5	50%
Michigan Total Passing Yards: O/U 225.5	50%
Iowa Total Rushing Yards: O/U 150.5	50%
Michigan Total Passing Yards: O/U 250.5	50%
Iowa Total Rushing Yards: O/U 125.5	50%
Iowa Total Rushing Yards: O/U 175.5	50%
Michigan Total Rushing Yards: O/U 125.5	50%
Michigan Total Rushing Yards: O/U 150.5	50%
Michigan Total Rushing Yards: O/U 175.5	50%
Iowa Total Scrimmage Yards: O/U 350.5	50%
Iowa Total Scrimmage Yards: O/U 375.5	50%
Michigan Total Scrimmage Yards: O/U 350.5	50%
Iowa Total Scrimmage Yards: O/U 400.5	50%
Michigan Total Scrimmage Yards: O/U 375.5	50%
Michigan Total Scrimmage Yards: O/U 400.5	50%
Iowa 40+ Yard Field Goals Made: O/U 0.5	50%
Iowa 40+ Yard Field Goals Made: O/U 1.5	50%
Michigan 40+ Yard Field Goals Made: O/U 0.5	50%
Iowa Field Goals Made: O/U 0.5	50%
Iowa Field Goals Made: O/U 1.5	50%
Michigan 40+ Yard Field Goals Made: O/U 1.5	50%
Iowa Field Goals Made: O/U 2.5	50%
Michigan Field Goals Made: O/U 0.5	50%
Michigan Field Goals Made: O/U 1.5	50%
Michigan Field Goals Made: O/U 2.5	50%
Iowa Total Receptions: O/U 14.5	50%
Iowa Total Receptions: O/U 19.5	50%
Iowa Total Receptions: O/U 24.5	50%
Michigan Total Receptions: O/U 14.5	50%
Michigan Total Receptions: O/U 19.5	50%
Michigan Total Receptions: O/U 24.5	50%
Iowa vs. Michigan: Total 4th Down Conversions O/U 0.5	50%
Iowa vs. Michigan: Total Successful Two-Point Conversions O/U 0.5	50%
Iowa vs. Michigan: Total Defensive/Special Teams Touchdowns O/U 0.5	50%
O/U 40.5	49%
1H O/U 22.5	49%
2H O/U 16.5	49%
2Q Spread -1.5	49%
2Q O/U 10.5	49%
2Q Spread -2.5	48%
Iowa 1H O/U 7.5	47%
Spread -6.5	46%
1H Spread -3.5	46%
3Q Spread -2.5	46%
1Q Spread -0.5	44%
1Q O/U 7.5	44%
O/U 42.5	43%
2Q O/U 13.5	43%
Iowa O/U 19.5	41%
1H Spread -5.5	40%
2Q Spread -3.5	40%
Spread -7.5	39%
3Q Spread -3.5	39%
4Q O/U 12.5	39%
1H Moneyline	39%
Spread -9.5	37%
4Q Spread -3.5	37%
Spread -8.5	36%
O/U 44.5	36%
3Q O/U 10.5	35%
Spread -0.5	34%
Iowa vs. Michigan	33%
1Q Spread -3.5	33%
Spread -10.5	32%
Spread -1.5	31%
Spread -11.5	31%
O/U 46.5	31%
Spread -2.5	30%
3Q O/U 13.5	30%
Spread -12.5	29%
1Q O/U 10.5	29%
2Q O/U 16.5	29%
Spread -13.5	27%
O/U 48.5	26%
Spread -4.5	24%
Spread -14.5	24%
Spread -16.5	23%
O/U 50.5	23%
1Q Spread -3.5	23%
Spread -19.5	16%
Spread -8.5	14%
Spread -7.5	14%
O/U 54.5	14%
1Q O/U 13.5	14%
O/U 52.5	13%
Spread -20.5	12%
O/U 56.5	12%
Spread -10.5	11%
Spread -22.5	10%
Spread -11.5	9%
Spread -23.5	8%
O/U 58.5	8%
Spread -14.5	7%

Market context

Market consensus: 95% chance of iowa vs. michigan. Prediction markets aggregate real capital to produce this probability signal. In the upcoming college football game between Iowa and Michigan, scheduled for September 26 at 3:30PM ET: This market will resolve to "Iowa" if Iowa win the game. This market will …

Live Data & Statistics

The Polymarket order book prices O/U 18.5 at 95% for "Iowa vs. Michigan".

O/U 18.5 95% Other 5%

Live stats load when the match begins. Current market odds are shown above. Trading volume: $302K.

Methodology

This page compares Iowa vs. Michigan specifically across Polymarket, Kalshi, Betfair Exchange and Smarkets. The live probability is the Polymarket mid; the comparison columns summarise each venue's fee structure, KYC, settlement currency and payment rails. Every CTA routes to Kalshi Alternative, which mirrors the Polymarket order book at 0% fees.

Resolution & payout

Settlement is the biggest difference between the four platforms: Polymarket on-chain in USDC (instant), Kalshi USD via CFTC (T+1), Betfair and Smarkets in local currency via bank withdrawal (T+1 to T+3). On-chain settlement clears in minutes — the fastest payout path of the four.

FAQ

What does Polymarket cost vs Kalshi?: Polymarket: 0% fees, only Polygon network costs (~$0.01/trade). Kalshi: up to 7% per trade plus spread. For high-frequency traders, Polymarket is dramatically cheaper.
Which platform has the deepest liquidity?: Polymarket — by a wide margin. Top markets reach $50-500M volume, Kalshi ~$200M cumulative, Betfair similar. Deeper liquidity means your trade moves the quote less.
Is Betfair a Polymarket alternative?: Only partially. Betfair Exchange is UK-focused with a sports-betting emphasis; they have politics markets but with thinner liquidity than Polymarket. Settlement in GBP/EUR, 2-5% commission on winnings.
What about Smarkets as an alternative?: Smarkets is a UK betting exchange with a lower default commission (2%) than Betfair. Liquidity on political markets is below Polymarket, comparable to Kalshi. Geo-blocked in many jurisdictions.
Are all these platforms regulated?: No. Kalshi is CFTC-regulated (US). Betfair and Smarkets are UK Gambling Commission licensed. Polymarket operates without explicit regulation — a different risk profile than a regulated sportsbook.

Chris ReedPolitical Forecasting Editorand

Maya TorresFinancial Markets Writer

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Iowa vs. Michigan

Platform comparison

Outcome probabilities

Market context

Live Data & Statistics

Methodology

Resolution & payout

FAQ

Trade Iowa vs. Michigan on Kalshi Alternative

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