Perpetual Funding Rate Calculator
Cost or income of holding a perp position from the funding rate — per-interval and annualized, long vs short.
Formula
Funding keeps perp prices tethered to spot — when longs dominate, the rate goes positive and longs pay shorts (and vice versa). Persistently high positive funding is a crowded-long warning and a real carry cost: 0.01%/8h annualizes to ~11%. Delta-neutral 'funding farming' (long spot, short perp) harvests it.
Educational. Not trading advice. Not financial advice — for informational and analytical use only. Verify all figures with a qualified professional before acting on them.
Disclaimer: This tool is for general informational and estimation purposes only and is not professional financial, tax, accounting or legal advice. All figures are estimates — verify with a qualified professional before making decisions. Read the full disclaimer.
Need perpetual funding rate calculator results fast? Analysts, founders, traders and finance professionals use the Perpetual Funding Rate Calculator to skip the spreadsheet and get a defensible answer in one step — free, private and instant.
About Perpetual Funding Rate Calculator
Cost or income of holding a perp position from the funding rate — per-interval and annualized, long vs short. Funding keeps perp prices tethered to spot — when longs dominate, the rate goes positive and longs pay shorts (and vice versa). Persistently high positive funding is a crowded-long warning and a real carry cost: 0.01%/8h annualizes to ~11%. Delta-neutral 'funding farming' (long spot, short perp) harvests it. The governing relationship is funding = size × rate × intervals; longs pay shorts when rate is positive. The Perpetual Funding Rate Calculator computes entirely in your browser — free, private (your figures never leave your device) and instant, recalculating live as you change any input.
How to use Perpetual Funding Rate Calculator
- 1Enter Position size ($), Funding rate per interval (%), Funding intervals/day, Position, Holding days into the Perpetual Funding Rate Calculator.
- 2The result is computed automatically using funding = size × rate × intervals; longs pay shorts when rate is positive — there is no button to press.
- 3Change any input to model a different scenario, then copy or share the result.
Why use Perpetual Funding Rate Calculator?
- ✓Computes perpetual funding rate calculator instantly with the correct formula — no spreadsheet needed
- ✓100% free and unlimited, with no sign-up, login or paywall
- ✓Runs entirely in your browser, so the figures you enter stay private
- ✓Shows the formula, a live worked example and references so you can defend the number
Frequently asked questions
What is the formula behind the Perpetual Funding Rate Calculator?+
Perpetual Funding Rate Calculator uses funding = size × rate × intervals; longs pay shorts when rate is positive. Funding keeps perp prices tethered to spot — when longs dominate, the rate goes positive and longs pay shorts (and vice versa). The tool substitutes your actual inputs into this relationship and shows the worked example step by step.
What inputs does the Perpetual Funding Rate Calculator need?+
Enter Position size ($), Funding rate per interval (%), Funding intervals/day, Position, Holding days and the result updates immediately — there is no button to press. Change any value to model a different scenario in real time.
Is the Perpetual Funding Rate Calculator free, and is my data private?+
Yes — it is completely free with no sign-up or usage limit, and it runs entirely in your browser, so the numbers you enter are never uploaded or stored on any server. Educational. Not trading advice. It is for informational and analytical use, not financial advice.
What should I watch out for when using the Perpetual Funding Rate Calculator?+
Persistently high positive funding is a crowded-long warning and a real carry cost: 0.01%/8h annualizes to ~11%. Delta-neutral 'funding farming' (long spot, short perp) harvests it.
What is the Perpetual Funding Rate Calculator based on?+
The method follows authoritative sources: Perpetual swap funding mechanism. The formula and references are shown on the page so you can verify and cite the result.
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