FTB-C000456 / Formula component

One-Period Rate of Change

One-Period Rate of Change is the simple percentage change from the previous eligible close to the current close.

Also known asROC(1)one-bar return

Foundation Formula defined 1 linked topicPublished

Definitions

In plain terms

Connors RSI ranks this current return against prior one-period returns.

Technical

The formula requires positive nonzero previous close, consistent adjustment basis, consecutive ordering, missing policy, and declared percent scale.

Scope

It differs from the absolute price change used by RSI and TSI.

Formula

ROC(1) = 100 * (C_t / C_(t-1) - 1)
LaTeX: ROC_{1,t}=100\left(\frac{C_t}{C_{t-1}}-1\right)
SymbolMeaningUnit
C_tcurrent closeprice
C_(t-1)previous closeprice

Output unit: percent

Examples

  • A governed lesson calculates or identifies One-Period Rate of Change only after its inputs, window, state, scale, and edge cases are declared.

Common misconceptions

  • It differs from the absolute price change used by RSI and TSI.

Concept relationships

Prerequisites

Related

Required by

Where this concept is used

Evidence and governance

  1. Connors Relative Strength Index Implementation QuantConnect Lean · first party technical publication

    Supports: preferred label, short definition, technical definition, formula

    Limits: The moving branch can change; exact parity requires a pinned revision and an explicit tie and ranking-window contract.

Reviewed by
fintech-builder-batch-008
Last reviewed
2026-07-29
Next review
2027-07-29
Record status
published