Question 1

What does this Bitcoin Up or Down market measure?

Accepted Answer

This market measures whether the Chainlink BTC/USD price of Bitcoin is higher or equal at 4:55AM ET compared with 4:50AM ET on April 21. If the ending price is at least as high as the starting price, the outcome is Up; if it is lower, the outcome is Down.

Question 2

How does this Polymarket resolve?

Accepted Answer

The market resolves using Chainlink’s BTC/USD data stream. It does not use prices from exchanges, broker apps, or other crypto price feeds, so the official result depends specifically on the Chainlink reference data.

Question 3

When does this market end?

Accepted Answer

The trading window covered by the market ends at 4:55AM ET on April 21. The listed resolution time is 2026-04-21 08:55:00+00, which corresponds to 4:55AM ET.

Question 4

What counts as Up in this market?

Accepted Answer

Up includes both a higher ending Bitcoin price and an unchanged price over the 5-minute window. Because the rules say greater than or equal to the starting price, a flat move still resolves as Up.

Question 5

Why would traders follow this 5-minute Bitcoin prediction market?

Accepted Answer

Short-duration Bitcoin markets can reflect immediate sentiment, momentum, and trading activity around a specific time window. Some traders also watch smart money signals and Polymarket odds for clues about how other market participants are positioned.

Bitcoin Up or Down - April 21, 4:50AM-4:55AM ET

Notable Trades

94% win-rate timer

Top Holders

Related Theses

Bitcoin tops $77,500 in June

Iran closes its airspace

Israel closes airspace by May

Starmer exits before July 2026

MicroStrategy will hold Bitcoin

Ethereum stays above $2,000

Solana falls to $80

NVIDIA hits $248 in May

Iran ceasefire will collapse

Bitcoin Up or Down - April 21, 4:50AM-4:55AM ET

Notable Trades

Bitcoin Up or Down - April 21, 4:50AM-4:55AM ET

Related Theses