TOTAL VOLUME:

$154.6b

24H VOL:

$333,432,169

24H TRANSACTIONS:

2,984,640,614

OPEN INTEREST:

$1,971,286,090

419,492

Markets across

40,634

events

MATCHED EVENTS:

4,654

PLATFORM COVERAGE:

5

Polymarket:

37%

VS.

Kalshi:

63%

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BTC price range on Oct 21, 2026 at 5pm EDT?
kalshi

BTC price range on Oct 21, 2026 at 5pm EDT?

Volume:
$161,139

$84,500 to 84,749.99

 - Kalshi

$84,500 to 84,749.99 - Kalshi

1W

News

Positive

Negative

Neutral

Hover marker for details

Vol.

·

Resolved Oct 21, 2026

Closed: Oct 21, 5:00 PM EST

kalshi

Kalshi

View
Join Kalshi and score $25 for your first trade.
Outcome
Trade
Chance %
Price
Spread
Liquidity
Volume
24h
7d
Open Interest
Ends in
Result
kalshi

$84,500 to 84,749.99

View
100%
Yes 100¢No 0¢
—
N/A
$40,063
N/A
N/A
$18,354
Settled
Yes
kalshi

$84,750 to 84,999.99

View
0%
Yes 0¢No 100¢
—
N/A
$56,626
N/A
N/A
$34,199
Settled
No
kalshi

$84,250 to 84,499.99

View
0%
Yes 0¢No 100¢
—
N/A
$17,755
N/A
N/A
$10,280
Settled
No
kalshi

$82,500 to 82,749.99

View
0%
Yes 0¢No 100¢
—
N/A
$7,317
N/A
N/A
$5,473
Settled
No
kalshi

$83,500 to 83,749.99

View
0%
7%
Yes 0¢No 100¢
—
N/A
$6,167
N/A
N/A
$2,718
Settled
No
kalshi

$81,750 to 81,999.99

View
0%
Yes 0¢No 100¢
—
N/A
$5,839
N/A
N/A
$5,726
Settled
No
kalshi

$82,750 to 82,999.99

View
0%
Yes 0¢No 100¢
—
N/A
$4,711
N/A
N/A
$4,026
Settled
No
kalshi

$83,750 to 83,999.99

View
0%
Yes 0¢No 100¢
—
N/A
$3,760
N/A
N/A
$3,453
Settled
No
kalshi

$83,250 to 83,499.99

View
0%
Yes 0¢No 100¢
—
N/A
$3,572
N/A
N/A
$3,269
Settled
No
kalshi

$85,000 to 85,249.99

View
0%
Yes 0¢No 100¢
—
N/A
$3,345
N/A
N/A
$1,736
Settled
No
kalshi

$84,000 to 84,249.99

View
0%
Yes 0¢No 100¢
—
N/A
$2,777
N/A
N/A
$2,159
Settled
No
kalshi

$85,250 to 85,499.99

View
0%
Yes 0¢No 100¢
—
N/A
$2,131
N/A
N/A
$1,980
Settled
No
kalshi

$83,000 to 83,249.99

View
0%
Yes 0¢No 100¢
—
N/A
$1,883
N/A
N/A
$1,718
Settled
No
kalshi

$82,250 to 82,499.99

View
0%
Yes 0¢No 100¢
—
N/A
$1,252
N/A
N/A
$839
Settled
No
kalshi

$86,000 to 86,249.99

View
0%
Yes 0¢No 100¢
—
N/A
$722
N/A
N/A
$722
Settled
No
kalshi

$82,000 to 82,249.99

View
0%
Yes 0¢No 100¢
—
N/A
$645
N/A
N/A
$417
Settled
No
kalshi

$81,500 to 81,749.99

View
0%
Yes 0¢No 100¢
—
N/A
$603
N/A
N/A
$501
Settled
No
kalshi

$81,000 to 81,249.99

View
0%
Yes 0¢No 100¢
—
N/A
$347
N/A
N/A
$300
Settled
No
kalshi

$80,000 to 80,249.99

View
0%
Yes 0¢No 100¢
—
N/A
$340
N/A
N/A
$340
Settled
No
kalshi

$85,750 to 85,999.99

View
0%
Yes 0¢No 100¢
—
N/A
$293
N/A
N/A
$195
Settled
No
kalshi

$86,250 to 86,499.99

View
0%
Yes 0¢No 100¢
—
N/A
$283
N/A
N/A
$283
Settled
No
kalshi

$85,500 to 85,749.99

View
0%
Yes 0¢No 100¢
—
N/A
$277
N/A
N/A
$277
Settled
No
kalshi

$81,250 to 81,499.99

View
0%
Yes 0¢No 100¢
—
N/A
$199
N/A
N/A
$101
Settled
No
kalshi

$80,500 to 80,749.99

View
0%
Yes 0¢No 100¢
—
N/A
$100
N/A
N/A
$100
Settled
No
kalshi

$80,750 to 80,999.99

View
0%
Yes 0¢No 100¢
—
N/A
$100
N/A
N/A
$100
Settled
No
Total markets: 25 of 80

Description

This event tracks Bitcoin's price performance at a specific future moment, using a trusted benchmark index to determine the outcome. The resolution depends on where the price falls within predefined ranges at the exact closing time.

Kalshi

The event resolves based on the simple average of the sixty seconds of CF Benchmarks' Bitcoin Real-Time Index (BRTI) immediately before 5 PM EDT on October 21, 2026. Each numbered market corresponds to a specific price range, and the market resolves to 'Yes' if the calculated average falls within that range. The official price is derived from averaging 60 RTI prices collected in the final minute before expiration. All markets share this core mechanism, with outcomes determined exclusively by whether the measured average fits the respective price band.