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lf0 Research Notes
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Weekly stock analysis, SEC filing-change summaries, and quant strategy notes from lf0.
SEC What Changed: 10-K Filing Snapshot for 9 June 2026
A ranked snapshot of 10-K language changes for companies that filed annual reports on 9 June 2026.
SEC What Changed: 10-K Filing Snapshot for 8 June 2026
A ranked snapshot of 10-K language changes for companies that filed annual reports on 8 June 2026.
SEC What Changed: 10-K Filing Snapshot for 5 June 2026
A ranked snapshot of 10-K language changes for companies that filed annual reports on 5 June 2026.
SEC What Changed: 10-K Filing Snapshot for 4 June 2026
A ranked snapshot of 10-K language changes for companies that filed annual reports on 4 June 2026.
XLP PBands Backtest: Profitable, But Risk-Adjusted Evidence Is Weak
A concise quant research note testing PBands Lower Band Mean Reversion Long Only on XLP, with rules, benchmark comparison, friction, and stress testing.
SEC What Changed: 10-K Filing Snapshot for 3 June 2026
A ranked snapshot of 10-K language changes for companies that filed annual reports on 3 June 2026.
SEC What Changed: 10-K Filing Snapshot for 2 June 2026
A ranked snapshot of 10-K language changes for companies that filed annual reports on 2 June 2026.
XLF: Momentum, Mean Reversion, or No Trade?
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