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Bitcoin price Above/below·closes in 18h

Bitcoin price on Sep 21, 2026?

YES means $82,500 or above

24h volume
10.1k
10.2k lifetime
Open interest
6,344
+6,237 over 7d
Spread
1¢
2,623 × 3,578 at the touch
24h range
12¢ – 37¢
50 recent trades
Chance of YES
23%

A YES contract costs 22¢ and pays $1 if it happens.

NO
77%

costs 79¢

YES bid / ask
21¢ / 22¢
NO bid / ask
78¢ / 79¢
24h low 12¢24h high 37¢
Recent buying55% YES · 45% 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
10¢20¢30¢volSep 20, 9:00 PMSep 21, 3:00 AM

Order book

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

Yes ask (no bid)SizeYes
  • ask30029¢
  • ask30028¢
  • ask30027¢
  • ask30026¢
  • ask76925¢
  • ask7,62224¢
  • ask2,62023¢
  • ask3,57822¢
spread1¢mid 21¢
  • bid2,63321¢
  • bid2,71020¢
  • bid2,96419¢
  • bid6,30018¢
  • bid20017¢
  • bid30016¢
  • bid30015¢
  • bid30014¢
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 82499.99 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
82499.99
ticker
KXBTCD-26SEP2117-T82499.99
Trade it on kalshi.com

Other outcomes in this event

Outcomes in this event settle independently.

Recent trades

Over the last 50 trades, 55% of contracts were bought on the YES side.

WhenYESContractsSide
4m ago23¢21bought yes
5m ago23¢10bought yes
5m ago22¢20bought yes
12m ago22¢20bought yes
59m ago21¢0.25bought yes
1h ago17¢100bought no
1h ago17¢200bought no
1h ago17¢200bought no
1h ago25¢566bought yes
2h ago25¢1.04bought no
2h ago24¢2bought no
2h ago29¢100bought no
2h ago29¢75bought yes
2h ago29¢10bought yes
2h ago28¢2bought 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.