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Two to four listings side by side, from what each product's own pages say and the earlier Kairos listing.
Earlier-listing fields are what the Kairos catalogue said at the time, and website metadata can describe a publisher rather than the product. Neither confirms who runs a service, its current price or its regulatory status. Download this comparison as CSV
| Field | polymm |  |
|---|---|---|
| Product overview | polymm is a public Python repository for Polymarket sports market making and arbitrage. Its author describes the code as a retired bot and includes analysis of execution and strategy limitations. It is research software, not an operated subscription service or an assurance of future returns. | NautilusTrader is an open-source algorithmic trading engine with Python strategy development and a Rust-native core. It supports market-data catalogues, configurable event-driven backtests and live trading adapters. Its open-source engine, institutional support and planned hosted products have different access models. |
| Research classification | Developer tools | Developer tools |
| Resource type | Software repository | Product or service |
| Platforms named in product context | Polymarket | Not established |
| Current status | The repository explicitly describes the bot as retired. | Not established |
| Main workflow | The code uses sportsbook-odds processing, quoting and hedging workflows for sports markets. | Not established |
| Important limitation | The author discusses bugs and loss-making behaviour; the published code and historical account narrative do not establish a viable current strategy. | Not established |
| Intended users | Not established | Developers and quantitative teams building and operating systematic trading software. |
| Research workflow | Not established | The engine replays data with configurable fill, fee, latency and order-book models; live deployment uses supported adapters. |
| Current access | Not established | The website marks the open-source engine as available, Pro as waitlist and the cloud platform as in development. |
| Capability: Data API | Not established | Programmatic access is described in the product overview. |
| Capability: Replay and backtesting | Not established | The source describes working with past market states or testing strategies against history. |
| Developer and product resources | Not captured | Documentation: https://nautilustrader.io/docs/; About the product: https://nautilustrader.io/team/ |
| Website research check | 2026-11-03T16:35:45.342507+00:00; A dated public product or documentation page was reviewed. This establishes the source of the listed facts, not tested functionality, operating health, security or account eligibility. | 2026-11-03T16:35:26.293697+00:00; A dated public product or documentation page was reviewed. This establishes the source of the listed facts, not tested functionality, operating health, security or account eligibility. |
| Vultax assessment | Not assessed | Not assessed |
| Website | https://github.com/kachence/polymm | https://nautilustrader.io/ |
| Evidence | View source (opens in a new tab) Observed Full profile | View source (opens in a new tab) Observed Full profile |
Earlier descriptions come from the Kairos catalogue by its contributors, used under CC BY 4.0. Attribution and licences.