1Y Ratio Performance
Compare any two tickers with relative price and relative valuation (P/E) on one chart.
Data source
Relative price uses `/api/series` and relative valuation uses `/api/etf-pe-timeseries`, both served through Cloudflare Pages Functions.
How to use
Track both lines together: relative price for momentum and relative valuation (P/E) for premium/discount context between the two symbols.
1Y Single Ticker Performance
Track a single ticker with the same controls used for ratio analysis.
Latest close
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ETF Valuation Evolution
Track one ETF at a time with daily valuation and price evolution.
Historical P/E vs ETF close
P/E points are daily (TTM interpolated); price is nearest-prior daily close.
Relative Valuation vs SPY
Daily relative P/E (ETF/benchmark) with selected ETF price overlay.
Database tools
Inspect D1 structure, preview cached records, and clear tables when needed.