Platform comparison
| Platform | YES odds | NO odds | Fee | KYC | Settlement | |
|---|---|---|---|---|---|---|
PolyGram Pick polygram.ink |
0% | 100% | 0% (USDC on-chain) | No-KYC up to $1,500 | USDC, auto via UMA oracle | Open on PolyGram → |
Polymarket polymarket.com |
0% | 100% | 0% | Geo-blocked in US/UK/EU | USDC, on-chain | Open on PolyGram → |
Kalshi kalshi.com |
— | — | Up to 7% per trade | US-only, KYC required | USD | Open on PolyGram → |
Betfair Exchange betfair.com |
— | — | 2-5% commission | Full KYC from first trade | GBP / EUR | Open on PolyGram → |
Manifold Markets manifold.markets |
— | — | Play-money (mana) | None — play-money | Mana (no cash-out) | Open on PolyGram → |
Live odds for Polymarket-based markets come from the Polygon order book. Non-Polymarket venues show attributes only; clicking any row opens the market on PolyGram.
Active sub-markets
| Portland Fire vs. Indiana Fever | 0% YES | 100% NO |
| Spread -12.5 | 100% YES | 0% NO |
| Spread -9.5 | 100% YES | 0% NO |
| O/U 175.5 | 0% YES | 100% NO |
| O/U 179.5 | 0% YES | 100% NO |
| Spread -13.5 | 100% YES | 0% NO |
Market context
The WNBA game between the Portland Fire and the Indiana Fever is scheduled for 20 May in Indianapolis, and the market is currently pricing a home Indiana win as the clear base case. A 0% YES line for Portland is extreme, but it is easier to understand in the context of early-season mismatch pricing: road underdogs with limited public support tend to be pushed to negligible odds when a stronger home side has the more established scorer and playmaker. Comparable markets in basketball often sit near zero when the expected margin is comfortably one-sided and there is no obvious injury or scheduling shock to force a re-rate.
The main catalyst to watch is the pre-game availability and rotation news around Indiana, rather than any broader polling-style movement in the market. Recent coverage from OddsChecker and Action Network pointed to Indiana as the stronger side while also flagging that the spread had become large enough to invite scepticism about cover risk, with the Fever listed around a double-digit favourite. For traders, the key dependency is whether the Fever’s core pieces are fully available and whether Portland can keep the pace close enough to avoid an early blowout; absent an injury update or a late line move, the market is leaning entirely on the scheduled home fixture and the prevailing odds feed rather than on any new external catalyst.
Methodology
Political prediction markets differ structurally from sports betting: thinner liquidity, longer settlement windows, higher sensitivity to single news events. This page shows the live Polymarket quote for Portland Fire vs. Indiana Fever plus platform attributes for the three reference venues, so you can see at a glance where the deepest market for this question sits.
Resolution & payout
For political markets the resolution source is decisive. Polymarket defines a concrete source per contract (e.g. AP, Reuters, official electoral commission) and uses the UMA Optimistic Oracle as the on-chain dispute mechanism. With a clearly defined outcome the USDC payout lands within minutes of the final confirmation.
FAQ
- Is this market available outside the US?
- PolyGram is available in most jurisdictions where Polymarket isn't directly accessible. Polymarket itself is geo-blocked in the US/UK/EU. Always check local regulations.
- How does resolution work?
- Through the UMA Optimistic Oracle on Polygon: a proposer submits the outcome, a two-hour challenge window opens, and USDC payouts settle automatically once the result is final.
- What does it cost to trade on PolyGram?
- Zero. PolyGram routes every order to the live Polymarket order book; the only cost is the Polygon network fee, typically under $0.01 per transaction.
- Do I need to KYC for this market?
- Not under $1,500 of lifetime trading volume. Above that threshold, PolyGram triggers a quick verification flow that finishes in minutes.
- How reliable are the quoted odds?
- The YES/NO percentages are the live mid-prices of the Polymarket order book. On deep markets they move every few seconds; on thinner ones you'll see short plateaus.
Trade Portland Fire vs. Indiana Fever on PolyGram
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