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feat(apo): add Absolute Price Oscillator

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EMA(close, fast) - EMA(close, slow). Like MACD without the signal EMA.
Defaults to (fast = 12, slow = 26); fast must be strictly less than
slow.

Touchpoints: apo.rs + mod.rs + lib.rs re-export, PyApo + __init__.py
+ test_new_indicators SCALAR + test_known_values flat reference,
ApoNode + index.d.ts/index.js + indicators.test.js factory + reference,
WasmApo via scalar macro, scalar-fuzz target, README + CHANGELOG.
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kingchenc
2026-05-24 21:38:48 +02:00
parent e30b3c6b35
commit ec269d8aeb
11 changed files with 217 additions and 6 deletions
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CHANGELOG.md
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@@ -7,6 +7,12 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
## [Unreleased]
### Added
- **Family 03 — MACD & Price Oscillators.** `APO` (Absolute Price
Oscillator): `EMA(close, fast) − EMA(close, slow)`. Like MACD's line
without the signal EMA. Default `(fast = 12, slow = 26)`. `fast` must
be strictly less than `slow`. Exposed in all four bindings.
## [0.2.7] - 2026-05-24
### Added