fix: cache yfinance misses, pass pre-fetched caps to all plot sims

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- _fetch_market_caps: parallel fetch (20 threads), skip tickers with '/',
  cache None results so missing tickers are never re-queried
- simulate: fix prices.get() default from {} to ([], []) for bisect compat
- plot_position_size: pass _signals/_market_caps to avoid per-sim refetch
- plot_equity_curves: use tuple-based SPY price access
- plots: regenerate all three (hp_sweep, equity_curves, position_size)
- README: add position_size.png embed

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

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This commit is contained in:

dodox

2026-05-27 11:50:47 +02:00

co-authored by Claude Sonnet 4.6

parent 120a77aba3

commit 9417a9e542

6 changed files with 233 additions and 125 deletions

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plots/equity_curves.png

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plots/hp_sweep.png

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plots/position_size.png

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