§ StatuteRates

Montana post-judgment interest rate

United States  Montana judgment interest — a formula rate, reset periodically.

→ All Montana judgment & prejudgment interest rates

Current rate
9.75% per year, effective January 1, 2026
Statutory formula / table

2026 Montana post-judgment interest at a glance

Current rate
9.75% per year
Effective date
January 1, 2026
Controlling authority
Mont. Code Ann. § 25-9-205
Rate basis
Statutory formula / table
Source checked
July 9, 2026
Recorded history
1 data point

Montana post-judgment interest is currently 9.75% — a statutory formula rate under Mont. Code Ann. § 25-9-205 that resets periodically.

→ Calculate interest at this rate

→ See Montana’s prejudgment interest rate (interest before judgment — different rules)

Statutory basis & carve-outs. Post-judgment interest under Mont. Code Ann. § 25-9-205, currently 9.75% (as of January 1, 2026). Simple interest. Verify the current value at mca.legmt.gov; not legal advice.

Current recorded observation

One current observation is on record; this page does not claim complete historical coverage. All recorded observations are in the JSON API.
Effective dateRateBasis
January 1, 2026 9.75% Statute

Source & provenance

Observation recorded July 9, 2026 (00:00 UTC) from the cited source (Montana — mca.legmt.gov):
https://mca.legmt.gov/bills/mca/title_0250/chapter_0090/part_0020/section_0050/0250-0090-0020-0050.html

Cite this page

StatuteRates. “Montana Judgment Interest Rate.” StatuteRates.com. Accessed today. https://statuterates.com/rates/montana-judgment-rate/ Rate recorded under Mont. Code Ann. § 25-9-205, effective January 1, 2026.

Reference data only — not legal, tax, or financial advice. Always confirm the controlling value against the controlling official source and, where applicable, the governing statute or court before relying on it.