Trade: SS Lazio vs. FC Internazionale Milano - More Markets

Market context

Lazio and Internazionale will meet in the Coppa Italia on 13 May 2026 at 3:00 PM ET. The current order book on Polymarket is pricing a YES outcome at 6%, reflecting a heavily skewed expectation toward NO. This probability is being formed by traders pricing in the relative strength of the two clubs and the specific match dynamics at play. The settlement window closes at 19:00 UTC on the scheduled date, giving traders approximately 16 hours post-kickoff for final resolution.

Historically, Coppa Italia semi-finals and finals have favoured established Serie A heavyweights, though Lazio has won the competition twice in recent decades (2000, 2019). Internazionale, as a three-time Coppa Italia champion with more recent success, typically enters knockout fixtures as favourites. The 6% implied probability suggests the market is pricing Lazio as a substantial underdog, consistent with Inter's superior league position and European pedigree in recent seasons. Comparable knockout matchups between these clubs show Inter winning approximately 55–60% of direct encounters over the past decade.

Traders should monitor team news and injury updates in the weeks preceding the fixture, particularly regarding key attacking and defensive personnel. Fixture congestion in May—with potential European commitments for Inter—could influence squad rotation decisions. Recent Serie A form and any cup-specific tactical announcements from either manager will provide signals about preparation intensity. The settlement mechanism depends on the official Coppa Italia result; draws trigger penalty shootouts, which the market will resolve according to the final winner declared.

Resolution source

This market settles from the official outcome published at https://www.legaseriea.it/en/coppa-italia. A proposer submits the final result to the UMA optimistic oracle on Polygon; the two-hour dispute window closes and payouts clear in USDC.

How to trade this market step by step

The mechanics for trading "SS Lazio vs. FC Internazionale Milano - More Markets" are the same as any other PolyGram sporting event contract. Each YES share resolves to $1 if the event happens, or $0 if it doesn't. The current price between 0¢ and 100¢ is the market's probability estimate, set live by the order book.

1. Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
2. Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
3. Pick a side. Buy YES if you believe the event will happen; buy NO if you think it won't. The current YES price reflects the market's collective probability.
4. Size your position. If you stake 100 USDC at 50% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
5. Set risk controls (optional). Stop-loss, take-profit, and limit-order types all supported. Use the trade ticket's slippage box to cap your maximum entry price.
6. Wait for resolution. When the event resolves on-chain via the UMA optimistic oracle, the winning side settles to 100¢ automatically and USDC hits your balance within seconds. Withdrawable to any wallet you control.

How active is this market?

$4K in lifetime turnover and $161K of resting liquidity puts this market in the below the median by volume for sports contracts on PolyGram. Order-book depth is exceptional — among the deepest order books in the category.

Last 24 hours alone saw $444 in turnover, well above the lifetime daily-average for this market — a clear sign of news catalysing trader activity right now.

The market has been open for under a month — fresh enough that information asymmetry remains a real factor.

Higher-volume markets tend to have tighter spreads and faster price discovery — meaning the displayed YES/NO percentages are more likely to reflect the true crowd-implied probability rather than a single trader's directional view.

Key terms

YES / NO share

A binary outcome token that pays $1.00 if the underlying claim resolves true (YES) or false (NO), and $0 otherwise. The market price between 0¢ and 100¢ is the implied probability.

CLOB

Central limit order book. The matching engine that pairs YES buyers with NO buyers (effectively the same trade). Polymarket's CLOB on Polygon executes trades on-chain via the conditional-tokens framework.

Liquidity

USDC capital sitting in resting limit orders inside the order book. Deeper liquidity means smaller slippage on large trades and a tighter bid-ask spread.

UMA optimistic oracle

The on-chain dispute system that settles each Polymarket market. A proposer submits the outcome, a two-hour challenge window opens, and unchallenged proposals finalise the resolution.

Slippage

The difference between the displayed mid-price and your fill price. Affects market orders most; limit orders avoid slippage but may take time to fill.

Conditional token

ERC-1155 outcome share issued by Gnosis Conditional Tokens on Polygon. The token type that resolves to $1.00 or $0.00 at settlement.

See the full prediction-market glossary →

Frequently asked questions

Risk and regulatory note

Prediction-market positions can lose 100% of staked capital. Outcomes are uncertain by definition — historical accuracy of crowd-implied probabilities is high in aggregate but not for any single market. PolyGram does not provide investment advice. Trade only with capital you can afford to lose.

Regulatory status varies by jurisdiction. Germany, the United States, and most EU countries treat Polymarket-style event contracts under one of three frameworks: financial derivative, gambling product, or unregulated novel asset. Consult local counsel before trading.

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