Latest value is 1 month old. Next update expected around Sep 2026.
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Enter a base value, a current value, and a contract amount to see the adjustment.
Strongest average month-over-month move historically: April (+9.3% avg).
The standard index for aviation turbine fuel, relevant to an air charter, cargo, or defense logistics contract fuel escalation clause.
A starting point citing this series by name and code. Replace the bracketed terms with your contract's actual scope before use.
The [affected portion] of the Contract Price shall be adjusted using US PPI — Jet Fuel (BLS series WPU057203), published by BLS. Base Period: the index value published for August 2026 (or the month of contract signing, if different) is the Base Value. Adjustment: at each Adjustment Date, the Current Value is the most recently published three-month average of the index (the Averaging Window). The Escalation Factor equals Current Value divided by Base Value. Cap: the Escalation Factor applied under this clause shall not exceed 1.10 or fall below 0.90 (a 10% cap and floor) in any single Adjustment Date, regardless of the index's actual movement. [Replace bracketed terms with your contract's actual affected-portion definition and adjustment-date schedule before use. This is a drafting starting point, not legal advice.]
Want this in a spreadsheet instead? Use =ESCALAKE("wpu057203") in Google Sheets →
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Use two formulas, not one. New aircraft can be indexed against a real government series, BLS PPI PCU336411336411. Spare parts have no matching series, so price them from a weighted input composite instead: engine parts, avionics, fasteners, and labor.
Read more →Escalake tracks US PPI — Jet Fuel, applies your formula, and gives both sides a number they can confirm, no spreadsheet required.
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