>_ Kwants
self-hosted python library for downloading polygon flat-file data, building point-in-time ticker universes with split/dividend adjustments, and running backtests against 1m/5m/daily bars. uses a declarative dsl for scan/entry/exit conditions; all data stored as parquet (no separate database server).
best for
developers and quants who want to self-host a complete us equity backtest pipeline on polygon data.
typical workflow position
screening→research
key featureself-hosted pipeline with DSL-based scan/backtest engine over Polygon flat files
asset classEquities
pricingFREE
modelfree
added2mo ago
upvotes0
instrumentsStocks
sourceopen source
regionsNorth America
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