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Bitcoin price Above/below·closes in 18h

Bitcoin price on Sep 21, 2026?

YES means $84,250 or above

24h volume
542
542 lifetime
Open interest
491
Spread
1¢
3,000 × 102 at the touch
24h range
–
36 recent trades
Chance of YES
5%

A YES contract costs 5¢ and pays $1 if it happens.

NO
95%

costs 96¢

YES bid / ask
4¢ / 5¢
NO bid / ask
95¢ / 96¢
Recent buying13% YES · 87% NO
What Galdor thinks

An independent read of this market

1Reads the rules literallySettlement source, close time, and the edge cases that flip an outcome.
2Checks the tape and the webOrder book, flow, price history, then targeted searches with sources.
3Gives a straight answerA probability with a band, and one of four calls: YES, NO, wait, or stay out.

Generated by an AI analyst from live exchange data and public web sources. Research and analytics, not investment advice. Markets can move after this was written.

Price history

YES price per candle with the bid/ask band, volume underneath. Times in UTC.

24h7d30d90d
Not enough history to chart.

Order book

Resting orders, both sides shown as YES prices. Bars are size.

Yes ask (no bid)SizeYes
  • ask11743¢
  • ask52942¢
  • ask19641¢
  • ask511¢
  • ask3,0008¢
  • ask7,0007¢
  • ask2,2516¢
  • ask1025¢
spread1¢mid 5¢
  • bid1,0004¢
  • bid2,4883¢
  • bid7,5602¢
  • bid1021¢
Yes bid (no ask)SizeYes

How this market resolves

Verbatim from Kalshi. Read this before the price.

If the simple average of the sixty seconds of CF Benchmarks' Bitcoin Real-Time Index (BRTI) before 5 PM EDT is above 84249.99 at 5 PM EDT on Sep 21, 2026, then the market resolves to Yes.

Not all cryptocurrency price data is the same. While checking a source like Google or Coinbase may help guide your decision, the price used to determine this market is based on CF Benchmarks' corresponding Real Time Index (RTI). At the last minute before expiration, 60 RTI prices are collected. The official and final value is the average of these prices.

Settlement sources
opened
Sep 20 · 8:00 PM UTC
closes
Sep 21 · 9:00 PM UTC · may close early
settles by
Sep 21 · 9:05 PM UTC
floor
84249.99
ticker
KXBTCD-26SEP2117-T84249.99
Trade it on kalshi.com

Other outcomes in this event

Outcomes in this event settle independently.

Recent trades

Over the last 36 trades, 13% of contracts were bought on the YES side.

WhenYESContractsSide
5m ago5¢13bought yes
5m ago5¢2bought yes
1h ago6¢8bought yes
1h ago6¢2bought yes
2h ago7¢167bought no
2h ago6¢99bought no
2h ago7¢1bought no
2h ago8¢24bought no
2h ago7¢10bought no
2h ago7¢10bought no
2h ago7¢10bought no
2h ago7¢10bought no
2h ago7¢10bought no
2h ago7¢10bought no
2h ago7¢10bought no

Prices are YES cost in cents and approximate the market’s implied probability. Data is read live from the Kalshi Trade API on every page load. galdor.xyz places no orders and holds no positions. Research and analytics, not investment advice.