Bitcoin Up or Down - May 21, 4:15AM-4:20AM ET
1 signal across 1 market · $2,218 tracked · resolves May 21, 2026
This Polymarket event tracks whether Bitcoin finishes up or down over the 5-minute window from May 21, 4:15AM to 4:20AM ET, using Chainlink BTC/USD data for resolution. PolySpotter is tracking $2,218 in smart money activity, with a recent signal noting a new crypto timer winning early.

Markets (1)
Top trades across all markets
Top wallets in this event
- 0xf7cb5a…f8ac$2,218 · 1 market · 1 alert · 92% wins
FAQs
What are the Bitcoin Up or Down May 21 odds?
The odds reflect how traders are pricing whether Bitcoin will be at or above its starting Chainlink BTC/USD price at 4:20AM ET versus below it. PolySpotter tracks the market in real time along with smart money activity behind the move.
What does “Up” mean in this Bitcoin prediction market?
“Up” wins if the Chainlink BTC/USD price at the end of the 4:15AM–4:20AM ET window is greater than or equal to the price at the beginning. If it is lower, “Down” wins.
Is smart money betting on this Bitcoin market?
Yes. PolySpotter has tracked $2,218 in smart money across this event, including one recent signal with the headline “New crypto timer winning early.”
When does this Bitcoin Up or Down market resolve?
This event resolves after the May 21, 4:15AM–4:20AM ET window ends, based on the Chainlink BTC/USD data stream. The listed resolution time is 2026-05-21 08:20 UTC.
Is this market based on Coinbase or Binance Bitcoin prices?
No. Resolution is based specifically on Chainlink’s BTC/USD data stream, so prices on Coinbase, Binance, or other exchanges may not determine the outcome.