TOTAL VOLUME:
$154.6b
24H VOL:
$323,326,361
24H TRANSACTIONS:
2,984,640,614
OPEN INTEREST:
$1,969,435,260
419,363
Markets across
40,411
events
MATCHED EVENTS:
4,612
PLATFORM COVERAGE:
5
Polymarket:
37%
VS.
Kalshi:
63%
Closed: Oct 28, 7:47 AM EST
Polymarket
This market will resolve to "Positive" if total Bitcoin ETF flows on Tuesday, October 27, 2026 are greater than 0, and to "Negative" if they are less than 0. If flows are exactly 0, the market will resolve to 50-50. The resolution source is Farside Investors, specifically the ETF Flow tab available at https://farside.co.uk/btc/ in the "Total" column for the date specified in the title. The total flows will be considered finalized for that day once flows for all ETF providers have been published. If data for any ETF provider remains unpublished by 12 PM ET, 2 days after the date specified in the title, the market will resolve based on all available data published up to that time. If the resolution source becomes permanently unavailable or fails to publish any data by 12 PM ET, 2 days after the specified date, the market will resolve 50-50.
This market will resolve to "Positive" if total Bitcoin ETF flows on Tuesday, October 27, 2026 are greater than 0, and to "Negative" if they are less than 0. If flows are exactly 0, the market will resolve to 50-50. The resolution source is Farside Investors, specifically the ETF Flow tab available at https://farside.co.uk/btc/ in the "Total" column for the date specified in the title. The total flows will be considered finalized for that day once flows for all ETF providers have been published. If data for any ETF provider remains unpublished by 12 PM ET, 2 days after the date specified in the title, the market will resolve based on all available data published up to that time. If the resolution source becomes permanently unavailable or fails to publish any data by 12 PM ET, 2 days after the specified date, the market will resolve 50-50.
Currently, prediction market odds represent a forward-looking assessment of Bitcoin ETF flows, reflecting what traders believe will happen on October 27th. This differs from spot price expectations, which are based on current market conditions and immediate supply and demand. While spot prices indicate what Bitcoin is currently worth, this market attempts to forecast future activity related to ETF investment. Discrepancies between prediction market probabilities and analyst forecasts can reveal valuable insights into market sentiment and potential price movements, as traders weigh various factors influencing ETF demand.
On Polymarket, this market is priced through a continuous auction mechanism where traders buy and sell shares representing their belief about the outcome. The price of these shares directly reflects the probability of the event occurring, as determined by supply and demand. On Polymarket, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The closer we get to Oct 27, 2026, the more the price will likely move as new information becomes available and traders adjust their positions. This dynamic pricing allows for a real-time assessment of market expectations regarding Bitcoin ETF flows.
This market resolves around Oct 27, 2026, with the outcome confirmed once the event is verifiable from credible public reporting. The resolution will be based on whether there are net inflows or outflows of Bitcoin into ETFs on that specific date. The data used for resolution will be sourced from publicly available reports detailing ETF holdings and trading activity. The exact methodology for determining net flows will be based on standard financial reporting practices and will be assessed based on publicly available data.
Several signals or events could significantly impact this market before Oct 27, 2026. Major news regarding regulatory approvals or denials related to Bitcoin ETFs would be a key driver. Unexpected macroeconomic data releases, such as inflation reports or interest rate decisions, could also influence investor sentiment and ETF demand. Furthermore, significant movements in the price of Bitcoin itself, or large institutional investment announcements, could shift the probabilities reflected in this market. Any developments affecting the overall risk appetite in financial markets could also play a role.