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Bitcoin range·closes in 18h

Bitcoin price range on Sep 21, 2026?

YES means $85,250 to 85,499.99

24h volume
378
378 lifetime
Open interest
378
Spread
2¢
0 × 342 at the touch
24h range
–
11 recent trades
Chance of YES
3%

A YES contract costs 2¢ and pays $1 if it happens.

NO
97%

costs 100¢

YES bid / ask
0¢ / 2¢
NO bid / ask
98¢ / 100¢
Recent buying100% YES · 0% 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
  • ask3947¢
  • ask47630¢
  • ask41620¢
  • ask1012¢
  • ask37010¢
  • ask3505¢
  • ask5,0003¢
  • ask3422¢
spread–mid –
    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 between 85250-85499.99 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
    85250
    cap
    85499.99
    ticker
    KXBTC-26SEP2117-B85375
    Trade it on kalshi.com

    Other outcomes in this event

    Mutually exclusive: YES prices should add to about $1.00 (they add to 104¢).

    Recent trades

    Over the last 11 trades, 100% of contracts were bought on the YES side.

    WhenYESContractsSide
    2h ago1¢5bought yes
    2h ago2¢2bought yes
    2h ago2¢46bought yes
    2h ago3¢260bought yes
    2h ago1¢5bought yes
    2h ago1¢20bought yes
    2h ago1¢20bought yes
    2h ago1¢10bought yes
    2h ago1¢3bought yes
    2h ago1¢2bought yes
    2h ago1¢5bought 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.