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Bitcoin price Above/below·closes in 16h

Bitcoin price on Sep 21, 2026?

YES means $80,500 or above

24h volume
28.3k
28.3k lifetime
Open interest
22.0k
+0 over 90d
Spread
2¢
3,188 × 3,693 at the touch
24h range
54¢ – 83¢
50 recent trades
Chance of YES
75%

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

NO
25%

costs 23¢

YES bid / ask
77¢ / 79¢
NO bid / ask
21¢ / 23¢
24h low 54¢24h high 83¢
Recent buying18% YES · 82% 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¢
  • ask30084¢
  • ask30083¢
  • ask30082¢
  • ask9,30381¢
  • ask4,30380¢
  • ask3,69379¢
spread2¢mid 78¢
  • bid3,18877¢
  • bid3,51576¢
  • bid8,64975¢
  • bid1,20274¢
  • bid30173¢
  • bid30572¢
  • 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 80499.99 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
80499.99
ticker
KXBTCD-26SEP2117-T80499.99
Trade it on kalshi.com

Other outcomes in this event

Outcomes in this event settle independently.

Recent trades

Over the last 50 trades, 18% of contracts were bought on the YES side.

WhenYESContractsSide
7m ago75¢31bought yes
9m ago74¢71bought no
13m ago75¢10bought yes
15m ago75¢1bought no
30m ago77¢10bought no
30m ago77¢10bought no
30m ago77¢10bought no
30m ago77¢10bought no
36m ago76¢100bought no
46m ago73¢10bought no
46m ago73¢64bought no
1h ago73¢27bought yes
1h ago73¢19bought yes
1h ago73¢8bought yes
1h ago74¢11bought 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.