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Miha Kralj
2026-03-13 13:47:10 -07:00
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lib/trends_FIR/lsma/Lsma.md
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| **Signature** | [lsma_signature](lsma_signature.md) |
- LSMA (Least Squares Moving Average), also known as the Moving Linear Regression or Endpoint Moving Average, calculates the least squares regression...
- Parameterized by `period`, `offset` (default 0).
- Output range: Tracks input.
- Requires `period` bars of warmup before first valid output (IsHot = true).
- **Similar:** [EPMA](../epma/epma.md), [ALMA](../alma/alma.md) | **Complementary:** R-squared for regression quality | **Trading note:** Least Squares MA; linear regression value at current bar, minimizing squared deviations.
- Validated against TA-Lib, Skender, and Tulip reference implementations where available.
LSMA (Least Squares Moving Average), also known as the Moving Linear Regression or Endpoint Moving Average, calculates the least squares regression line for the preceding time periods. In plain English: it finds the "best fit" line for the data window and tells you where that line ends.
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1. **Overshoot**: Because it projects a trend, LSMA will overshoot significantly when the trend reverses. It assumes the trend continues.
2. **Offset**: You can use a positive offset to extrapolate into the future (forecasting), or a negative offset to center the average.
3. **Noise**: It is very sensitive to outliers because it tries to fit a line to them.
3. **Noise**: It is very sensitive to outliers because it tries to fit a line to them.