Builder Code & Fee Attribution

Shard is a registered Polymarket builder. Every order routed through Shard carries Shard's builder code this is how trades are attributed onchain to Shard's builder profile.

Shard charges 0 bps maker and 0 bps taker as builder fees. Standard Polymarket platform fees apply on top where enabled by the market.

Builder fees and platform fees are independent and additive they never replace each other.

Fee type	Platform	Builder (Shard)
Taker fee	Per market category	0 bps
Maker fee	0	0 bps

Builder profiles and fee rates are publicly queryable on Polymarket. You can verify Shard's fee rate at any time via the CLOB API.

Full details → docs.polymarket.com/builders/fees