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Bitcoin price Above/below·closes in 19h

Bitcoin price on Sep 21, 2026?

YES means $80,750 or above

24h volume
16.9k
16.9k lifetime
Open interest
10.8k
Spread
1¢
3,540 × 2,200 at the touch
24h range
–
50 recent trades
Chance of YES
64%

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

NO
36%

costs 35¢

YES bid / ask
65¢ / 66¢
NO bid / ask
34¢ / 35¢
Recent buying75% YES · 25% 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
  • ask30073¢
  • ask30072¢
  • ask5,40071¢
  • ask72470¢
  • ask1,72869¢
  • ask3,94868¢
  • ask2,55867¢
  • ask2,54866¢
spread1¢mid 66¢
  • bid1,48065¢
  • bid8,55064¢
  • bid2,40063¢
  • bid3,30062¢
  • bid30061¢
  • bid30060¢
  • bid30059¢
  • bid40058¢
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

This event

Outcomes in this event settle independently.

This is the only market in its event.

Recent trades

Over the last 50 trades, 75% of contracts were bought on the YES side.

WhenYESContractsSide
5m ago64¢100bought no
5m ago64¢166bought no
12m ago69¢243bought no
12m ago69¢100bought no
16m ago69¢343bought yes
18m ago75¢60bought no
18m ago75¢1,000bought no
18m ago75¢796bought no
19m ago76¢6bought yes
20m ago79¢13bought yes
21m ago76¢24bought yes
21m ago75¢19bought no
24m ago74¢2bought yes
31m ago73¢2bought yes
31m ago73¢2bought 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.