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Bitcoin price Above/below·closes in 17h

Bitcoin price on Sep 21, 2026?

YES means $80,250 or above

24h volume
14.0k
14.0k lifetime
Open interest
11.0k
Spread
2¢
3,048 × 1,778 at the touch
24h range
–
50 recent trades
Chance of YES
80%

A YES contract costs 79¢ and pays $1 if it happens.

NO
20%

costs 23¢

YES bid / ask
77¢ / 79¢
NO bid / ask
21¢ / 23¢
Recent buying43% YES · 57% 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
  • ask30086¢
  • ask30085¢
  • ask70084¢
  • ask30083¢
  • ask3,30482¢
  • ask8,12581¢
  • ask2,60080¢
  • ask1,77879¢
spread2¢mid 78¢
  • bid3,04877¢
  • bid7,73376¢
  • bid3,40375¢
  • bid43074¢
  • bid30073¢
  • bid30072¢
  • bid30071¢
  • bid30070¢
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 80249.99 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
80249.99
ticker
KXBTCD-26SEP2117-T80249.99
Trade it on kalshi.com

Other outcomes in this event

Outcomes in this event settle independently.

Recent trades

Over the last 50 trades, 43% of contracts were bought on the YES side.

WhenYESContractsSide
23m ago80¢40bought no
1h ago78¢75bought yes
1h ago78¢12bought yes
1h ago75¢97bought yes
1h ago74¢68bought no
1h ago73¢34bought no
2h ago76¢0.25bought no
2h ago74¢18bought no
2h ago68¢75bought no
2h ago69¢135bought no
2h ago69¢100bought no
2h ago69¢28bought no
2h ago69¢60bought no
2h ago75¢3bought no
3h ago83¢100bought yes

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.