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Oycora methodology

Gross Rent Multiplier (GRM)

Purchase price divided by scheduled annual gross rental income.

Methodology v1.0Effective 2026-08-23Last reviewed 2026-08-23

How this is calculated

GRM = purchase price / annual scheduled rent

Oycora does not present GRM as a profitability or investment-quality score.

Why it matters

GRM is a quick price-to-rent screen before operating expenses and financing are considered.

What is included

  • Purchase price
  • Scheduled annual rental income

What is excluded

  • Vacancy
  • Other income
  • Operating expenses
  • Financing
  • CapEx

Assumptions and limitations

  • GRM is intentionally coarse and should not replace a complete analysis.

Used in Oycora

Property Analysis

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The 1% Rule is a quick screening shortcut that compares a property's monthly rent with its purchase price. Learn how it works, what it can tell you, what it completely ignores, and why it should never replace a full rental-property analysis.

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