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Bitcoin price Above/below·closes in 17h

Bitcoin price on Sep 21, 2026?

YES means $82,250 or above

24h volume
5,650
5,653 lifetime
Open interest
3,509
Spread
1¢
2,618 × 3,347 at the touch
24h range
15¢ – 42¢
50 recent trades
Chance of YES
27%

A YES contract costs 26¢ and pays $1 if it happens.

NO
73%

costs 75¢

YES bid / ask
25¢ / 26¢
NO bid / ask
74¢ / 75¢
24h low 15¢24h high 42¢
Recent buying87% YES · 13% 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
  • ask30033¢
  • ask30032¢
  • ask30031¢
  • ask78030¢
  • ask5,20229¢
  • ask3,96528¢
  • ask2,01027¢
  • ask3,34726¢
spread1¢mid 26¢
  • bid2,61825¢
  • bid4,00124¢
  • bid8,54123¢
  • bid66822¢
  • bid1,30421¢
  • bid30020¢
  • bid30019¢
  • bid30018¢
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 82249.99 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
82249.99
ticker
KXBTCD-26SEP2117-T82249.99
Trade it on kalshi.com

Other outcomes in this event

Outcomes in this event settle independently.

Recent trades

Over the last 50 trades, 87% of contracts were bought on the YES side.

WhenYESContractsSide
1m ago27¢3bought yes
36m ago27¢7.04bought yes
56m ago28¢102bought yes
1h ago25¢500bought yes
1h ago24¢20bought yes
1h ago28¢2bought yes
1h ago30¢3bought no
1h ago31¢12bought yes
1h ago30¢9bought yes
2h ago27¢3bought yes
2h ago24¢21bought no
2h ago25¢8bought no
2h ago23¢100bought no
2h ago21¢34bought no
2h ago22¢13bought 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.