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Bitcoin price Above/below·closes in 17h

Bitcoin price on Sep 21, 2026?

YES means $80,750 or above

24h volume
25.2k
25.2k lifetime
Open interest
11.7k
+11.2k over 7d
Spread
2¢
2,813 × 4,084 at the touch
24h range
49¢ – 79¢
50 recent trades
Chance of YES
67%

A YES contract costs 66¢ and pays $1 if it happens.

NO
33%

costs 36¢

YES bid / ask
64¢ / 66¢
NO bid / ask
34¢ / 36¢
24h low 49¢24h high 79¢
Recent buying67% YES · 33% 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
50¢60¢70¢volSep 20, 9:00 PMSep 21, 4:00 AM

Order book

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

Yes ask (no bid)SizeYes
  • ask30073¢
  • ask40072¢
  • ask30071¢
  • ask30070¢
  • ask30069¢
  • ask8,50368¢
  • ask3,79967¢
  • ask3,68466¢
spread2¢mid 65¢
  • bid2,41364¢
  • bid2,69063¢
  • bid9,99662¢
  • bid20061¢
  • bid20060¢
  • bid30059¢
  • bid30058¢
  • bid30057¢
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 80749.99 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
80749.99
ticker
KXBTCD-26SEP2117-T80749.99
Trade it on kalshi.com

Other outcomes in this event

Outcomes in this event settle independently.

Recent trades

Over the last 50 trades, 67% of contracts were bought on the YES side.

WhenYESContractsSide
7m ago67¢29bought no
7m ago67¢58bought no
8m ago67¢5bought no
18m ago67¢2bought no
24m ago70¢132bought yes
35m ago69¢31bought no
1h ago68¢30bought yes
1h ago68¢29bought yes
1h ago66¢16bought yes
1h ago65¢298bought yes
1h ago63¢51bought no
1h ago65¢35bought yes
1h ago63¢39bought no
1h ago67¢80bought yes
1h ago63¢5bought 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.