Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
Polymarket (via Is Kalshi Legal in California) Pick polygram.ink (preferred broker) |
100% | 0% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Go to the live market → |
Polymarket (direct) polymarket.com |
100% | 0% | 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 |
|---|---|
| Houston Astros vs. Detroit Tigers | 100% |
| Spread -1.5 | 100% |
| O/U 8.5 | 100% |
| 1st 5 Innings Spread -1.5 | 100% |
| 1st 5 Innings Spread -2.5 | 100% |
| 1st 5 Innings O/U 2.5 | 100% |
| Extra Innings | 100% |
| O/U 4.5 | 100% |
| O/U 7.5 | 100% |
| O/U 6.5 | 100% |
| O/U 9.5 | 100% |
| O/U 5.5 | 100% |
| NRFI | 0% |
| 1st 5 Innings Spread -1.5 | 0% |
| 1st 5 Innings Spread -2.5 | 0% |
| 1st 5 Innings O/U 3.5 | 0% |
| 1st 5 Innings O/U 4.5 | 0% |
| 1st 5 Innings O/U 5.5 | 0% |
| 1st 5 Innings O/U 6.5 | 0% |
| Spread -3.5 | 0% |
| Spread -1.5 | 0% |
| Spread -2.5 | 0% |
| Spread -3.5 | 0% |
Market context
The underlying real-world event is the Major League Baseball game between the Houston Astros and the Detroit Tigers, scheduled for first pitch at 1:40 p.m. ET on Sunday, 28 June 2026 at Comerica Park in Detroit. The Astros, currently 41–44, have won four of their last five games and secured an 8–6 victory over the Tigers in their previous matchup on 27 June, powered by a three-run eighth inning[1][2]. The Tigers sit at 35–48, and the Astros enter this contest as 1.5-run favourites with -131 moneyline odds[3].
Historical precedents in MLB prediction markets show that when a team wins its prior matchup against the same opponent within a week and holds a strong recent form streak, crowd-implied probabilities often approach certainty, as seen in similar Astros–Tigers series in 2024 and 2025 where the Astros won both games decisively[1]. This pattern frames the current 100% YES probability not as an anomaly but as a reflection of consistent performance trends and head-to-head dominance, rather than speculative hype.
Traders should monitor the official starting lineups released by MLB approximately one hour before first pitch, particularly the pitching matchup, as the Tigers’ starter Flaherty has been flagged as a vulnerability in recent analysis[1]. Additionally, watch for any weather advisories from the Detroit SportsNet broadcast team, which carries the game, as rain delays could postpone settlement[4]. The regulatory context includes German GlüStV provisions on sports betting transparency, US CFTC oversight of prediction markets, and the accessibility benefit of “no-KYC up to $1,500”, which allows immediate participation without identity verification for this specific market[3].
Live Data & Statistics
Live stats load when the match begins. Current market odds are shown above. Trading volume: $798K.
Methodology
This overview of Houston Astros vs. Detroit Tigers reviews the four comparable platforms from a regulatory perspective: which is accessible in your jurisdiction, where KYC kicks in, how the platform is classified by your country of residence. Live probability is the Polymarket mid; comparison columns show regulatory status, KYC thresholds and settlement options for each platform.
Resolution & payout
On Polymarket, resolution runs on-chain via UMA Optimistic Oracle. USDC payout is instant and automatic, with no KYC. Tax treatment depends on your jurisdiction — in the US, gains are usually ordinary income; in the UK, often capital gains. Consult a tax professional for your situation.
FAQ
- Do I need to KYC for Is Kalshi Legal in California?
- Not for lifetime trading volume under $1,500. Above that threshold, a quick KYC flow kicks in — ID, selfie, approximately 5-10 minutes. The threshold matches FATF travel standards for unregulated crypto platforms.
- How are winnings taxed?
- Tax treatment varies by jurisdiction. In most countries, prediction market gains are treated as ordinary income or capital gains. We cannot provide tax advice — consult a tax professional for your specific situation.
- Can I trade anonymously?
- Pseudonymously, yes — up to the KYC threshold. Is Kalshi Legal in California stores an email address and wallet addresses rather than a legal name. Over $1,500 lifetime volume triggers KYC, after which identity is no longer anonymous.
- Is there a withdrawal cap?
- No platform-side cap. You can withdraw any amount provided KYC is complete. SEPA bank withdrawals over €15,000 trigger additional anti-money-laundering checks (statutory obligation for all platforms).
- What if regulation changes?
- If regulation changes in your jurisdiction (e.g. prediction markets are banned), Is Kalshi Legal in California would geo-block the affected region and continue processing withdrawals. Your funds remain withdrawable at any time.
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