Funding Rate Calculator Crypto

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Crypto Funding Rate Calculator

USD/USDT
Note: Enter total position value (Margin × Leverage), not just margin.
%
Every 8 Hours (Standard) Every 1 Hour Every 4 Hours Every 24 Hours

Funding Fee Projections

Fee Per Interval: 0.00 USD
Daily Funding Cost/Yield: 0.00 USD
Weekly Funding Cost/Yield: 0.00 USD
Monthly Funding (30d): 0.00 USD
Annualized Rate (APR): 0.00%

Understanding Crypto Funding Rates

In the world of cryptocurrency perpetual futures (perps), the funding rate is a periodic payment exchanged between buyers (longs) and sellers (shorts). Unlike traditional futures contracts that have an expiry date, perpetual contracts can be held indefinitely. The funding mechanism ensures that the contract price stays pegged closely to the underlying spot asset price (e.g., Bitcoin or Ethereum).

Key Concept: If the Funding Rate is positive (+), Longs pay Shorts. If the Funding Rate is negative (-), Shorts pay Longs.

How to Use This Calculator

This calculator helps traders estimate the costs or yields associated with holding a perpetual futures position over time. Here is a breakdown of the inputs:

  • Total Position Size (Notional Value): This is the total value of your position in USD or USDT. For example, if you have $1,000 in collateral and use 10x leverage, your Position Size is $10,000.
  • Funding Rate (%): The current rate displayed by the exchange. This typically fluctuates based on market demand. A standard rate on many exchanges like Binance or Bybit is 0.01% every 8 hours during neutral markets.
  • Funding Interval: The frequency at which the funding fee is settled. The industry standard is every 8 hours (3 times a day), but some exchanges or specific pairs may differ.

Calculation Formula

The funding fee is calculated simply by multiplying your position size by the funding rate:

Funding Fee = Position Size × Funding Rate

For example, if you hold a $50,000 BTC position and the funding rate is 0.01% (standard), the calculation per interval is:

$50,000 × 0.0001 = $5.00 per 8 hours.

While $5 might seem small, annualized this equals: $5 × 3 (per day) × 365 = $5,475 per year, representing an APR of 10.95%.

Impact on Trading Strategy

Carry Trade (Delta Neutral): Some traders utilize funding rates to generate yield. If the funding rate is high (positive), a trader might buy the spot asset and short the perpetual future with 1x leverage. They collect the funding payments from Longs while hedging price exposure, profiting purely from the funding rate.

Position Holding: If you plan to hold a leveraged position for a long time, funding fees can significantly eat into your profits or add to your losses. It is crucial to monitor the predicted funding rate to avoid paying excessive fees during periods of high volatility.

function calculateFunding() { // 1. Get input values var positionSize = parseFloat(document.getElementById('positionSize').value); var fundingRatePercent = parseFloat(document.getElementById('fundingRate').value); var intervalHours = parseFloat(document.getElementById('fundingInterval').value); // 2. Validate inputs if (isNaN(positionSize) || isNaN(fundingRatePercent) || isNaN(intervalHours)) { alert("Please enter valid numbers for Position Size and Funding Rate."); return; } // 3. Calculation Logic // Funding Rate comes in as percentage (e.g. 0.01), need decimal (0.0001) var rateDecimal = fundingRatePercent / 100; // Fee per single interval var feePerInterval = positionSize * rateDecimal; // Calculate intervals per day var intervalsPerDay = 24 / intervalHours; // Projections var feeDaily = feePerInterval * intervalsPerDay; var feeWeekly = feeDaily * 7; var feeMonthly = feeDaily * 30; // Annualized Percentage Rate (APR) // APR is (Rate per Interval * Intervals per Year) // Note: APY would include compounding, but APR is standard for simple funding display var apr = (fundingRatePercent * intervalsPerDay * 365); // 4. Display Results // Format currency function var formatCurrency = function(num) { return num.toLocaleString('en-US', { style: 'currency', currency: 'USD', minimumFractionDigits: 2 }); }; document.getElementById('resInterval').innerHTML = formatCurrency(Math.abs(feePerInterval)); document.getElementById('resDaily').innerHTML = formatCurrency(Math.abs(feeDaily)); document.getElementById('resWeekly').innerHTML = formatCurrency(Math.abs(feeWeekly)); document.getElementById('resMonthly').innerHTML = formatCurrency(Math.abs(feeMonthly)); document.getElementById('resAPR').innerHTML = apr.toFixed(2) + '%'; // Add visual cues for Paying vs Receiving (Logic: assuming input is positive) // Usually: + Rate means Long Pays Short. Calculator shows magnitude. // We will stick to magnitude for clarity as user direction isn't asked, // but we can color APR based on high/low. var resultsDiv = document.getElementById('results'); resultsDiv.style.display = 'block'; // Scroll to results resultsDiv.scrollIntoView({ behavior: 'smooth' }); }

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