Polymer

Polymer is a Polymarket builder, a third-party venue that routes trader orders into Polymarket's central limit order book under its own builder code rather than running a competing exchange. Polymarket verifies its profile, and the index places it at #38 by all-time attributed volume, with $15.7M routed since its first recorded fill on 2026-04-28. Its heaviest traffic over the last month has landed in up-or-down markets, led by US-Iran Final Nuclear Deal by December 31, 2026.

The wallets that route through Polymer skew toward small, frequent fills: the average fill runs $7, and 71% of routed volume opens new positions rather than closing them. Roughly 7 distinct traders route through it on an average day, drawn from a thirty-day cohort of 80 wallets that together generated 2.2K fills in the last week alone. That is a crowd of small, active positions, not a handful of large desks moving size.

Using Polymer starts with connecting a wallet capable of trading on Polymarket; nothing about the fact sheet indicates the tool holds a separate custodial balance, so funds stay under the trader's own keys until an order fills. Once connected, orders route through Polymer's builder code into Polymarket's shared central limit order book, the same matching engine every other builder taps, so execution depends on Polymarket's own liquidity rather than any book Polymer runs itself.

What changes builder to builder is the flow it attracts, not the book it trades on. Polymer's cohort files small, frequent fills, averaging $7, and leans toward opening positions over closing them at a 71% split. That pattern has held for 140 days since the first attributed fill on 2026-04-28, with data current through 2026-09-14.

Settlement runs through Polymarket's own contracts, so Polymer holds no trader funds between orders; the fact sheet records only what flows through it, not a balance it keeps.

• Entry-heavy order flow

  71% of routed volume opens new positions rather than closing them, so traders using it to exit may find thinner routed flow on that side.

• Retail-sized fills

  The average fill runs $7, a size that fits mobile and retail-style trading far more than desk-sized order execution.

• High fill frequency

  Polymer processed 2.2K fills in the last week alone, so traders relying on it should expect frequent small executions rather than occasional large ones.

High-frequency retail traders

Fits traders who fire off many small fills rather than a few large ones, matching Polymer's $7 average fill size.

Position-opening momentum traders

Suits traders building new exposure, since 71% of routed volume opens positions rather than closing existing ones.

Traders tracking up-or-down markets

Its heaviest recent flow sits in up-or-down markets such as US-Iran Final Nuclear Deal by December 31, 2026, useful for traders already active there.

Traders vetting a young venue

Works for traders comfortable evaluating a builder with 140 days of history rather than a multi-year track record.

Fee-sensitive traders doing diligence

Suits traders willing to confirm costs directly, since the operator publishes no fee schedule for Polymer to compare against Polymarket's own trading fee.

Withheld: this builder's figures have moved out of the range the written assessment was made against. The measurements above are live; the assessment returns with the next editorial pass.

Withheld: this builder's figures have moved out of the range the written assessment was made against. The measurements above are live; the assessment returns with the next editorial pass.

Order routing keeps funds under the trader's own wallet rather than in a balance Polymer holds, since settlement runs through Polymarket's own contracts rather than any ledger the builder keeps. Polymarket verifies Polymer's profile, which gives a trader a registered identity to check the flow against, but the operator discloses no fee schedule, so cost exposure is not visible before an order routes. With 140 days of history and 588.9K fills recorded, there is a track record to inspect, though the recent +32.1% swing in weekly volume is a reminder that activity through any single builder can move quickly.

Withheld: this builder's figures have moved out of the range the written assessment was made against. The measurements above are live; the assessment returns with the next editorial pass.

• What is Polymer on Polymarket?

  Polymer is a Polymarket builder that routes trader orders into Polymarket's shared order book under its own builder code, currently ranked #38 by all-time attributed volume.

• Is Polymer safe to use?

  Funds stay in the trader's own wallet, since Polymer holds no custodial balance, though the operator publishes no fee schedule, so confirm costs before routing meaningful size through it.

• What does Polymer charge in fees?

  The operator states no fee rate for Polymer itself; Polymarket's own per-market trading fee applies the same way regardless of builder, so ask Polymer directly what it adds on top.

• How big are typical trades through Polymer?

  The average fill size sits at $7, a retail-scale figure that points to a crowd of small, frequent orders rather than desk-sized positions moving through it.

• How long has Polymer been active?

  Its first attributed fill landed on 2026-04-28, putting 140 days of trading history behind it, with the figures in this profile current through 2026-09-14 and updated as new fills route through the builder.

• What are alternatives to Polymer among Polymarket builders?

  Dozens of other builders route orders into the same Polymarket order book, each ranked on the same attributed-volume leaderboard; compare Polymer's #38 placement, fees and trader mix against them before choosing one.

• Does Polymer hold custody of trader funds?

  No custodial balance shows up in the fact sheet; settlement runs through Polymarket's own contracts, so funds move directly between the trader's wallet and the exchange rather than sitting with Polymer.