D07 · Trend smoothing lab

Hull MA, stage by stage

Watch a short WMA outrun a long WMA, see subtraction create the raw Hull path, then let a square-root window smooth the result. Nothing beyond the current observation is revealed.

Canonical · integer truncation

Causal response

Solid source · dashed raw extrapolation · thick final HMA

Observation 1 of 16

Period contract

Rounding changes the actual filter.

Half h2

Root r2

First ready6

Current observation

Source value 10

Short WMA

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Long WMA

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Raw Hull

2 × short − long

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Final HMA

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Active short-WMA members

Weights rise from oldest to newest.

First-ready signed weights

Effective source coefficients sum to one.

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