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Polymarket prepares November 2 rollout for new markets under Protocol V2

Odaily reported Polymarket's Protocol V2 uses a single ERC1155 position contract, pUSD as unified collateral, a single exchange and a single router, initially supporting binary, atomic negative risk, incremental negative risk and combinatorial markets. Canary trial markets ran from October 5 to October 30, with new markets expected to enable V2 on November 2 and existing markets unchanged.

Polymarket is expected to enable Protocol V2 for new markets on November 2, according to Odaily. Existing markets will remain unchanged, putting the planned rollout’s focus on newly created markets rather than a migration of those already operating.

A unified architecture

According to Odaily, Protocol V2 uses one ERC1155 position contract, with pUSD serving as unified collateral. The design also includes one exchange and one router.

Initial support covers four market types: binary, atomic negative risk, incremental negative risk and combinatorial markets, Odaily reported.

Trial period precedes expected launch

Canary trial markets ran from October 5 to October 30, according to Odaily. That testing period preceded the expected November 2 activation for new markets.

The report, published on Nov 1, 2026 at 10:30 AM ET, describes the launch date as expected rather than confirmed. The distinction matters for readers tracking whether the rollout occurs on schedule.

What it means for prediction markets

  • Timing is the immediate watchpoint: November 2 is the expected activation date for V2 on new markets, not a confirmed completed launch.
  • Existing markets are outside the change: The reported plan leaves those markets unchanged.
  • Scope extends beyond binary markets: Initial V2 support also includes atomic negative risk, incremental negative risk and combinatorial markets, alongside a unified collateral and contract architecture.
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    Odaily
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