GP SAR La Princesse Lalla Meryem: Jil Teichmann vs Petra Marcinko

Platform comparison

Active sub-markets

Market context

Jil Teichmann and Petra Marcinko were scheduled to meet in the Rabat semi-finals, with the market currently priced at 0% for Teichmann. That makes the main reference point the form line rather than any live market signal: Marcinko had already beaten Teichmann in their only previous meeting, and the WTA’s match report says the Croatian won this semi-final 7-6(2), 6-3 to reach her first tour final in Rabat. Teichmann’s route to the last four was also competitive, so the comparison is between two players who had both already played multiple three-set or tight sets in the week, rather than one arriving with a clear physical edge.

For traders, the key catalyst is whether the match is completed inside the settlement window, because a no-contest, abandonment or delay beyond seven days would push the market to 50-50. The practical live variable is workload: both players were deep into the event, and any medical timeout, retirement or scheduling change would matter more than pre-match rankings. WTA’s Rabat coverage noted Marcinko as the No. 6 seed and highlighted that she held off a late Teichmann surge, which is the sort of result that supports a cleaner read than a purely speculative price. Any late official update from the tournament draw, order of play or player availability would be the most relevant dependency.

Sources: 1 · 2 · 3 · 4 · 5

Methodology

We track GP SAR La Princesse Lalla Meryem: Jil Teichmann vs Petra Marcinko on the five venues with material liquidity for prediction markets. Live odds come from the Polymarket Polygon order book — the only source that ships real-time data under an open licence. For Kalshi, Betfair and Manifold we list platform attributes (fee, KYC, settlement, payment) instead of fabricated odds, because their APIs use non-comparable contract definitions.

Resolution & payout

Polymarket-based markets settle through the UMA Optimistic Oracle on Polygon. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution. Payouts settle automatically in USDC the moment the result is final — no bookmaker, no delay.

Kalshi-based markets settle in USD via the CFTC-regulated clearinghouse. Betfair Exchange settles in GBP/EUR net of commission. Manifold is play-money and does not pay out real funds.

FAQ

Where can I trade this market with the lowest fees?

On PolyGram, which mirrors the Polymarket order book at 0% fees. Kalshi charges up to 7% per trade; Betfair Exchange takes 2-5% commission on net winnings.

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.

What's the difference between YES and NO shares?

A YES share pays $1.00 if the event happens, $0 otherwise. A NO share pays $1.00 if the event doesn't happen. The market price between 0¢ and 100¢ is the implied probability.

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.

How fast are USDC deposits?

Polygon credits deposits after 12 confirmations — usually under 30 seconds. Withdrawals follow the same path and land back in your wallet within minutes.