One month's gap between your basket and the official one is a curiosity. A decade's is a bill. Pick a household below and compound the same published prices since January 2016 — the drift between what the index says and what that household paid does not average out. It accumulates.
Cumulative price change since January 2016
Official CPI (all items)Your basket
Official since 2016
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Your basket since 2016
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The drift
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Drift per year
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Strikeline reads the whole market like this every trading day — regime, breadth, sector rotation, money flow — and turns it into position sizing you can actually use.