>_ Kwants
self-hosted python library that downloads polygon flat-file data (1m/5m/daily bars), builds point-in-time ticker universes with split/dividend adjustments, and runs backtests using a declarative dsl for entry/exit conditions. stores all data as parquet (no separate database server) and offers incremental daily updates via scheduled scripts.
best for
developers and quants who want a local, file-based pipeline for us equity backtesting against polygon data.
typical workflow position
screening→research→valuation
key featureself-hosted pipeline with DSL-based scan/backtest engine over Polygon flat files
asset classEquities
pricingFREE
modelfree
added3mo ago
upvotes0
instrumentsStocks
sourceopen source
regionsNorth America
user baseRetail
related tools
all Kwants alternatives →- Public API— Provides programmatic trading access to stocks, ETFs, options, crypto, and bonds with real-time execution, rebates on options contracts, and no commissions.
- Stax Labs— Builds and backtests rule-based stock strategies against historical data, then executes them via paper trading or connected brokerages