I.e. transaction fees on trades/profit (excludes crypto network fees, deposit conversion fees, etc.)
Update 2025-06-16 (PST) (AI summary of creator comment): In response to a question about withdrawal fees, the creator has clarified the criteria is based on the fee's intent:
Fees intended to raise money for Polymarket (similar to a transaction fee) will count.
Fees intended to cover costs (similar to a gas/network fee) will not count.
Update 2025-11-03 (PST) (AI summary of creator comment): Fees on "Polymarket US" will probably count towards resolution.
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This was a difficult market to resolve. "Polymarket US" which is not polymarket.com may have introduced fees on a few test transactions, but the platform was not meaningful live in 2025. The polymarket.com platform introduced fees a few weeks ago that are still live now.
@SG if it counts then this resolves to 2025 because PMUS charges a 0.01% taker fee and had its first trade on Oct 30 2025.
@strutheo I’m on my phone and I’ll post it later but I tried to search and I actually don’t think polymarket collected fees in 2025 (and it should resolve to 2026). Although it’s possible my investigation was mistaken.
@brod i'm not sure if that's a crux for sg's resolution (as trivial fees while it was in beta may not be meaningful enough to count). but i asked Claude and I can't find evidence fees were collected before 2026.
in november, some trades were placed on Polymarket US, and a fee schedule was announced, but i couldn't find evidence of fees being collected. very inconclusive, but Sacra reports Polymarket with $0 in fee revenue. more relevant, i had Claude query the polygon blockchain. starting on jan 6, you can find transactions with a FeeCharged event (example). this matches when there was a new round of announcements that Polymarket would be charging fees (example 1, example 2) . Claude wrote a script to query the december transactions and nothing came up with those fees. Polymarket announcing a few schedule does not guarantee it was actually implemented, and that first date with FeeCharged seems to match public announcements for fees being implemented (in January).
I am clarifying "Claude" above because I am not particularly familiar with Polymarket and this wasn't high stakes enough for me to really dig too deep into it. But TL;DR I couldn't find evidence that fees were being charged in December. If someone can point to fees being recorded on the transactions, LMK. (There's a reason I bet it down to ~40%, not 0%, I could be mistaken).
(and again i'm not sure this is a crux for SG's resolution—fees were meaningfully launched in january)
@Ziddletwix Probably but not necessarily. If there are intended to raise money similar to a transaction fee then yes; if they are similar to a gas/network fee then no