Gahow Wang 1697bc1641 fix(report): correct periodic returns, injection metrics and live view
- Monthly/yearly returns chain from the previous period's close (the first
  trading day of every period was dropped; up to ~9pp/yr error).
- With cash injections, metrics/drawdowns/periodic returns are time-weighted
  on the no-injection curve; capitalFlows reports invested/profit separately.
- Benchmarks cover exactly the strategies' dates.
- CAGR uses calendar time, so gaps in live records do not inflate it.
- Backtests skip the per-trade fee for rebalances below the live minimum
  order and keep a ruined portfolio at zero.
- live: exact strategy match, ineligible strategies hidden, currency,
  startDate, same-window benchmark, stale-price fallback, equity anchored at
  the initial capital.
- PIT membership falls back to the cached history when the Wikipedia change
  log cannot be parsed (the table is no longer on the page).

Co-Authored-By: Claude Opus 5.5 (1M context) <noreply@anthropic.com>
2026-09-25 01:16:33 +08:00
2026-04-05 00:50:26 +08:00

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