An open-source local backtesting skill that converts natural-language investment strategies into standardized rules, signals, auditable backtests, trade ledgers, charts, and JSON, CSV, or Markdown reports using user-provided daily market data.
Prices and medians update for the tier you select.
Compare at
Zeyang Strategy Lab Free · Pro
No Pro plan
—
Pro-provider median
—
insufficient comparable pricing
vs Pro providers
No comparison
Zeyang Strategy Lab Free doesn't sell Pro
ⓘ Comparisons are same provider type (provider) and same buyer tier (Pro). Never across tiers.
Market density
27th pctile
21 competing vendors
Comparable listings · 30d
—
Agents · Pro median
$79.99/mo
8 priced · $47.5–$145 mid 50%
MCP servers · Pro median
$29/mo
11 priced · $9.99–$49 mid 50%
Platforms · Pro median
$69.99/mo
11 priced · $39.5–$99.5 mid 50%
Agents cost 2.8× MCP servers at the Pro tier.
Price spectrum · Pro plans · 17 of 18 providers priced · log scale · $9 → $499/mo
Agents MCP servers Platforms◻ shaded = middle 50% · line = median (all types)Zeyang Strategy Lab Free has no comparable Pro price — not plotted
Products in this market
Ranked by how closely each one matches Zeyang Strategy Lab Free's job. Prices show each provider's Pro state; entry prices are labelled as such. Unpriced products still belong to the market.
Market = the products most similar to this one by capability; prices are median / quartiles over its priced members, separated by provider type and buyer tier.
