October 6, 2026
Up/Down markets, popularized by prediction market venues, turn price moves into simple binary bets: will BTC rise or fall over the next 15 minutes?
These contracts generated $9.3B in notional volume in September 2026, up ~12x YTD and more than 78x YoY. Crypto accounts for 90% of volume, but commodities activity has surged, potentially fueled by oil-price volatility tied to the U.S.–Iran conflict.
We see binary contracts as an emerging financial primitive and an evolution of 0DTE options. In our view their growth points toward hyper-financialization: more assets, shorter time horizons, always-on markets.
Note: Data reflects only the venues and categories covered by ParaFi’s analysis and does not represent the entire prediction market universe. Crypto data begins November 2024; non-crypto data begins October 2025. Category classifications and notional volume calculations are based on ParaFi’s methodology and may differ from methodologies used by the underlying venues or other third parties. September 2026 data through September 30, 2026.
Source: ParaFi analysis of Dune datasets, official venue reports and contract metadata, consolidated October 5, 2026. Data through September 30, 2026. The chart covers identified financial-price Up/Down contracts on Kalshi, Polymarket International, Polymarket US and partial Limitless non-crypto central limit order book (CLOB) activity. Limitless crypto is excluded. This is a covered subset, not a comprehensive global market total. Contracts span multiple time horizons; the 15-minute BTC contract is an illustrative example.
Notional is matched contract quantity multiplied by the $1 payout face, counting one side once. It does not measure premium paid, capital at risk or underlying-asset exposure. Monthly volumes are actual observed sums, without extrapolation. The chart displays March 2025 through September 2026; available crypto source data begins November 2024. Non-crypto coverage before October 2025 is unavailable. Earlier bars show the known crypto-only subtotal; missing non-crypto volume is not treated as zero. The stacked bars separate crypto by venue and combine the covered non-crypto subtotal across venues. Asset classes are assigned by economic underlying; crypto-company stocks are equities and FX is shown separately. September shares use the $9.282B covered subtotal. Figures are rounded.
The approximately 12x figure compares September 2026 monthly volume with December 2025 ($9.282B / $800.3M = 11.6x), rather than cumulative YTD volume. The more-than-78x figure is mixed-coverage arithmetic: the expanded September 2026 subtotal divided by the crypto-only September 2025 subtotal ($9.282B / $117.6M = 78.9x). September 2025 non-crypto volume is unavailable, so this is not a comparable total-market YoY measure. The comparable crypto-only September multiple is 71.3x ($8.388B / $117.6M). The suggested relationship between commodity activity and geopolitical volatility is an interpretation, not a causal finding from these volume data.
Underlying source documentation: Kalshi data on Dune, Polymarket International onchain data on Dune (polymarket_polygon.market_trades), and Polymarket US daily reports. Chart data and methodology.
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