Recurring

Trade: Bitcoin Up or Down - May 31, 9:35AM-9:40AM ET

0% YES 100% NO

Opened 30 May 2026 · Settles 31 May 2026

Resolution criteria on PolyGram: This market will resolve to "Up" if the Bitcoin 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 BTC/USD data stream available at https://data.chain.link/streams/btc-usd. Please note that this market is about the price according to Chainlink data stream BTC/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: —

Trade this market on PolyGram →

Market outcomes

Bitcoin Up or Down - May 31, 9:35AM-9:40AM ET

0% YES

100% NO

Market context

This market tracks whether Bitcoin's price according to Chainlink's BTC/USD data feed will be higher or unchanged at 9:40AM ET on 31 May 2026 compared to its level at 9:35AM ET that same morning. The five-minute window captures intraday volatility during US morning trading hours, when institutional flows and overnight developments from Asian markets typically influence price action. Settlement relies on Chainlink's oracle data rather than spot exchange prices, which can occasionally diverge by basis points depending on aggregation methodology and feed latency.

The 0% implied probability on Polymarket's order book reflects the structural challenge of predicting five-minute price movements with confidence. Historical analysis of similar ultra-short-window markets shows that such brief intervals contain near-random walk characteristics, with roughly 50% of outcomes resolving either direction when spreads are tight. The current zero probability suggests either minimal liquidity in the YES position or traders pricing in a systematic disadvantage to betting on upside within that specific window.

Traders monitoring this market should note that volatility clustering and macroeconomic announcements scheduled for late May 2026 could create directional bias. Federal Reserve communications, employment data releases, or geopolitical developments affecting risk sentiment would be primary catalysts. The Chainlink feed's update frequency and any scheduled maintenance windows should also be verified, as oracle delays or gaps could affect settlement precision. Liquidity conditions on major spot exchanges during that five-minute window will ultimately determine realised price movement.

Wikipedia Context

Bitcoin
Bitcoin is the first decentralized cryptocurrency. Based on a free-market ideology, bitcoin was invented in 2008 when an unknown person published a white paper under the pseudonym of Satoshi Nakamoto. Use of bitcoin as a currency began in 2009, with the release of its open-source implementation. From 2021 to 2025, El Salvador adopted it as legal tender curre
Bitcoin protocol
The bitcoin protocol is the set of rules that govern the functioning of bitcoin. Its key components and principles are: a peer-to-peer decentralized network with no central oversight; the blockchain technology, a public ledger that records all bitcoin transactions; mining and proof of work, the process to create new bitcoins and verify transactions; and cryp
Bitcoin in El Salvador
El Salvador was the first country in the world to use bitcoin as legal tender, after it was adopted as such by the Legislative Assembly of El Salvador in 2021. It has been promoted by Nayib Bukele, the president of El Salvador, who claimed that it would improve the economy by making banking easier for Salvadorans, and that it would encourage foreign investme
Bitcoin buried in Newport landfill
In 2013, Welsh computer engineer James Howells mistakenly disposed of a laptop hard drive containing the private key for 8,000 Bitcoin in the Docksway landfill in Newport, Wales. Howells subsequently assembled a team of specialists and secured funding to excavate the site, but Newport City Council refused permission, citing the environmental impact of the se

Resolution source

This market settles from the official outcome published at https://data.chain.link/streams/btc-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 "Bitcoin Up or Down - May 31, 9:35AM-9:40AM 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.

See the full prediction-market glossary →

Frequently asked questions

What is the current probability for "Bitcoin Up or Down - May 31, 9:35AM-9:40AM 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/btc-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 31 May 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 "Bitcoin Up or Down - May 31, 9:35AM-9:40AM 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.

View live odds & trade →

Related prediction markets

Explore more prediction market odds and trading opportunities on PolyGram: