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ABROWNFOX001

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What Just Changed for Bot Builders

GitHub: https://github.com/abrownfox0/abrownfox001-twap60-prediction-trigger-system

YouTube walkthrough: https://www.youtube.com/watch?v=XzhugRL6BV4

Live profile: https://polymarket.com/@abrownfox001

This is part 1 of a 5-part series on Polymarket’s latest platform changes and what they mean on the tech side.

  • Part 1 — The map: settlement, matching, reliability (this post)
  • Part 2 — TWAP60 is no longer new; bots that still treat it as optional are behind
  • Part 3 — The Rust CLOB rebuild and what integrators should prepare for
  • Part 4 — Rate limits, RTDS, outages, and bot ops
  • Part 5 — What I am changing in the BTC 5m engine because of all of this

The short version: Polymarket is no longer “just add TWAP and keep the old loop.”

The stack under short-horizon crypto is being rebuilt while those markets keep running.

The Four Changes That Matter Right Now

Layer Status (Sep 2026) Why a 5m bot cares
Crypto Up/Down settlement 60s Chainlink TWAP live on 5m/15m/4h Target variable is an average path, not a last tick
Matching engine Current CLOB still live; Rust rewrite targeting mid-to-late Q4 Latency, cancel behavior, and integrator contracts may move
Reliability Sep 15 CLOB maintenance; Sep 19 ~2h trading outage hitting CLOB + RTDS + settlement Bots need cancel-only / stale-feed / halt logic
Product surface Perps opened more broadly; Combos + collateral return already live; onchain product rebuild staffed Do not confuse perps infra with 5m prediction rails

Two more context points:

  • Polymarket hired former Zora CEO Jacob Horne to work on the onchain product after the CEO said that venue had “waned” during scale.
  • DeFi engineering has said the current CLOB is full of tech debt and cannot be saved long-term. The replacement is being written in Rust, with internal benchmarks talking about much lower p99 latency and much higher order throughput. Those are dev benchmarks, not production numbers.

What This Series Is Not

It is not a recap of every Friday changelog.

It is the operator question:

If you run a live BTC 5-minute engine on Polymarket today, which platform changes force a code change, and which ones are just noise?

For @abrownfox001 the core loop stays the same:

stream official TWAP60
pin open from the same series
enter 45–55¢ only with edge
re-score
scratch decay / redeem strength
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The platform around that loop is what shifted.

Settlement Already Moved. Matching Is Next.

August solved the integrity problem on short crypto:

  • snapshot close → Chainlink TWAP
  • 5m window later moved 30s → 60s

September is about whether the execution plane can keep up:

  • volume-tiered CLOB rate limits already in force
  • UI/API pressure from market-creation explosion
  • a public trading incident that took CLOB, RTDS, and settlement offline together
  • a from-scratch Rust matching engine being built beside the live book

That last point is the one bot builders should schedule around. Polymarket has said the old CLOB stays up while the new one is built, and breaking changes for integrators should be minimal and announced. “Should” is not a migration plan. Assume you will need a compatibility layer.

The Practical Split I Use

Already production law

  • 5m crypto resolves on 60s TWAP
  • CLOB v2 + volume-tiered order/cancel buckets
  • RTDS as the public TWAP path
  • outages happen; sockets die; cancel-only modes exist

Expected, not fully here

  • Rust CLOB cutover
  • lower p99 / higher throughput if benchmarks survive production
  • tighter onchain product UX after the new product hire
  • more separation between international prediction rails and other venues (US / perps)

Not the 5m job

  • treating Perps as if they share settlement with BTC Up/Down
  • assuming Combos RFQ logic belongs inside a 50¢ directional engine

Why Start With a Map

Most “Polymarket update” posts mix three different clocks:

  1. settlement clock (TWAP)
  2. matching clock (CLOB)
  3. ops clock (rate limits, websockets, incidents)

A BTC 5m bot lives on all three.

Part 1 names them. Parts 2–4 separate them. Part 5 applies them to the public engine in the repo.

What Part 2 Covers

TWAP60 is no longer an announcement. It is the resolution source on live 5-minute markets.

Part 2 covers the remaining tech mistakes:

  • pinning open from the wrong series
  • scoring CEX last
  • leaving 30s logic in twapFeed.ts
  • treating RTDS heartbeat as freshness

Links

Not financial advice. Platform status changes. Read live market rules and @PolymarketDevs before you ship.

If you have more questions, please feel free to contact me at any time: https://t.me/abrownfox001

My Polymarket Activity: https://polymarket.com/@abrownfox001?tab=activity

#Polymarket #TWAP #CLOB #TradingBot #BTC #AlgoTrading #PredictionMarkets #Chainlink
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