Trade: XRP Up or Down - May 31, 10:55PM-11:00PM ET

0% YES 100% NO

Opened 31 May 2026 · Settles 1 June 2026

Resolution criteria on PolyGram: This market will resolve to "Up" if the XRP price at the end of the time range specified in the title is greater than or equal to the price at the beginning of that range. Otherwise, it will resolve to "Down". The resolution source for this market is information from Chainlink, specifically the XRP/USD data stream available at https://data.chain.link/streams/xrp-usd. Please note that this market is about the price according to Chainlink data stream XRP/USD, not according to other sources or spot markets.

PolyGram is an on-chain prediction market where you trade YES or NO outcome shares with real USDC on Polygon. For this market, buy YES if you believe the event will happen, or NO if you think it won't. Your maximum loss is your stake — winning shares pay $1.00 each at resolution. Unlike sportsbooks, there is no house edge: prices are set by supply and demand from other traders and reflect the crowd's real-time probability.

Liquidity: $0
Total Volume: —
24h Volume: —
Open Interest: $5

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Market outcomes

XRP Up or Down - May 31, 10:55PM-11:00PM ET

0% YES

100% NO

Market context

XRP will either appreciate or depreciate during a five-minute window on 31 May between 22:55 and 23:00 Eastern Time. The resolution hinges on Chainlink's XRP/USD data feed, which aggregates price information from multiple sources to provide a reference rate distinct from any single exchange. This narrow timeframe creates inherent volatility sensitivity; even modest order flow or liquidity shifts can determine the outcome. The 0% implied probability on Polymarket's order book reflects either extreme confidence in downward movement or illiquidity in the YES side, with no counterparty currently willing to price upside risk.

Five-minute price movements in XRP historically correlate with broader cryptocurrency market momentum, macroeconomic data releases, and regulatory announcements affecting digital assets. The cryptocurrency has shown particular sensitivity to developments regarding its legal classification and institutional adoption prospects. Traders monitoring this window should note that US market hours (late evening on 31 May) typically see lower trading volumes than Asian or European sessions, potentially amplifying volatility from smaller order sizes.

The settlement window extends to 1 June 03:00 UTC, providing resolution clarity roughly 3.5 hours after the price observation period. Current order book positioning suggests minimal liquidity depth, meaning any trader seeking YES exposure would face substantial slippage. The absence of scheduled major economic data or cryptocurrency-specific announcements for that specific evening means the outcome will likely depend on intraday momentum and technical levels rather than discrete news events.

Wikipedia Context

XRP Ledger
The XRP Ledger (XRPL), also called the Ripple Protocol, is a cryptocurrency platform launched in 2012 by Ripple Labs. The XRPL employs the native cryptocurrency known as XRP, and supports tokens, cryptocurrency or other units of value such as frequent flyer miles or mobile minutes.
XP-PEN
XP-PEN is a graphics tablet development and distribution company, originally established in Japan in 2005 by Taiwanese manufacturer P-Active and now headquartered in Shenzhen, China, with a research and development office in California, United States. In 2019, XPPen became a holding subsidiary of Hanvon Ugee Group, a graphics tablet manufacturer who, like XP
Xi Puppis
Xi Puppis is a multiple star system in the southern constellation of Puppis. With an apparent visual magnitude of 3.35, it is one of the brighter members of this constellation. Based on parallax measurements made during the Hipparcos mission, it is located approximately 1,200 light-years from the Sun, with a 7.5% margin of error.
XAP processor
XAP is a 16-bit and 32-bit RISC processor architecture developed by Cambridge Consultants. Its design enables use in mixed-signal integrated circuits for sensor or wireless applications including Bluetooth, Zigbee, GPS, RFID or Near Field Communication chips. These integrated circuits are typically used in low-cost, high-volume products that are battery-powe

Resolution source

This market settles from the official outcome published at https://data.chain.link/streams/xrp-usd. 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 "XRP Up or Down - May 31, 10:55PM-11:00PM ET" are the same as any other PolyGram 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.

Sign in on polygram.ink with your email — no full KYC under $1,500 lifetime trading volume.
Deposit USDC on Polygon (lowest fees, ~$0.01 per transaction) or Ethereum. Funds credit after 12 confirmations.
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.
Size your position. If you stake 100 USDC at 0% YES, you'll receive shares that pay $200 if YES resolves true — a 100% gross return. If NO resolves, your shares are worth $0.
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.
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.

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.

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Frequently asked questions

What is the current probability for "XRP Up or Down - May 31, 10:55PM-11:00PM ET"?

As of today, traders on Polymarket price this outcome at 0%. The number updates continuously as the order book clears. PolyGram mirrors the same live odds with locale-aware formatting and USDC settlement.

How does this market resolve?

Resolution is sourced from https://data.chain.link/streams/xrp-usd. Settlement is executed by the UMA optimistic oracle on Polygon, with a 2-hour dispute window before payouts clear.

When does this market close?

This prediction market is scheduled to close on 1 June 2026. After the resolving event occurs, settlement typically clears within 24 hours once the UMA optimistic oracle confirms the outcome. All payouts are in USDC on the Polygon network.

How can I trade on "XRP Up or Down - May 31, 10:55PM-11:00PM ET"?

To trade on this prediction market, create a free PolyGram account at polygram.ink, deposit USDC via Polygon, and place a YES or NO order on the outcome you believe in. You can learn more on our how-it-works page. Your maximum loss is limited to your stake — there is no leverage or margin.

What happens when the market resolves?

When the outcome is determined, winning YES shares pay out $1.00 each in USDC, while losing shares pay $0. Settlement is handled by the UMA optimistic oracle on Polygon — a proposer submits the result, a two-hour dispute window opens, and if uncontested, payouts are distributed automatically. You can withdraw your winnings to any Polygon wallet.

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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