Ipda Look Back Calculator
Free Ipda look back Calculator for ict & smc tools. Enter your numbers to see returns, costs, and optimized scenarios instantly.
Reviewed for accuracy by Daniel Agrici, Founder & Lead Developer
Ipda Look Back Calculator
Calculator
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Formula: Position (%) = (Current Price - Range Low) / (Range High - Range Low) x 100
Worked example — Position: Neutral (50.0%) | All ranges at equilibrium | Watch for directional displacement
Formula
Position (%) = (Current Price - Range Low) / (Range High - Range Low) x 100
The IPDA position is calculated by determining where the current price sits as a percentage within each look-back range. Values above 50% indicate premium territory, below 50% indicate discount. The OTE zone is the 62-79% Fibonacci retracement of the range. Equilibrium is the exact midpoint of each range.
Worked Examples
Example 1: EUR/USD Discount Zone Buy Setup
Problem:EUR/USD is at 1.0850. The 20-day range is 1.0750-1.0950, the 40-day range is 1.0680-1.1020, and the 60-day range is 1.0600-1.1100. Analyze the IPDA position.
Solution:20-Day: Price at 50.0% (Equilibrium), Range = 200 pips 40-Day: Price at 50.0% (Equilibrium), Range = 340 pips 60-Day: Price at 50.0% (Equilibrium), Range = 500 pips Average position: 50.0% across all ranges OTE Zone (20-day): 1.0874 - 1.0908
Result:Position: Neutral (50.0%) | All ranges at equilibrium | Watch for directional displacement
Example 2: GBP/USD Premium Zone Sell Setup
Problem:GBP/USD is at 1.2780. The 20-day range is 1.2650-1.2800, the 40-day range is 1.2580-1.2820, and the 60-day range is 1.2500-1.2850. Where is price in the IPDA framework?
Solution:20-Day: Price at 86.7% (Premium), Range = 150 pips 40-Day: Price at 83.3% (Premium), Range = 240 pips 60-Day: Price at 80.0% (Premium), Range = 350 pips Average position: 83.3% — Deep premium across all ranges Bias: Bearish — Look for sell setups on retracement
Result:Position: Premium (83.3%) | Bearish bias | Sell on OTE retracements toward range highs
Frequently Asked Questions
What is the IPDA look-back period and how is it used in ICT trading?
The Interbank Price Delivery Algorithm (IPDA) look-back period is a concept from the Inner Circle Trader (ICT) methodology that analyzes price ranges over 20, 40, and 60 trading day windows. These specific periods are believed to represent the intervals that institutional market makers and interbank dealers use to reference previous price delivery when determining current fair value and future price targets. By examining where price currently sits relative to these historical ranges, traders can identify whether the market is in a premium or discount condition and anticipate where the algorithm may seek to deliver price next, targeting old highs, old lows, or liquidity pools.
How do the 20, 40, and 60 day look-back periods differ in significance?
Each IPDA look-back period serves a different analytical purpose in the ICT framework. The 20-day range represents the most recent short-term price delivery cycle, corresponding roughly to one trading month, and is most relevant for short-term swing traders. The 40-day range captures approximately two months of price action and provides a medium-term perspective on institutional price delivery patterns. The 60-day range, spanning about three months or one quarter, reveals the longer-term algorithmic framework within which the shorter cycles operate. When all three ranges align in the same directional bias, the trading signal is considered stronger. Divergence between timeframes can indicate potential reversals or consolidation phases.
What are premium and discount zones in IPDA analysis?
Premium and discount zones divide each IPDA range into areas where price is considered expensive or cheap relative to the range equilibrium. The equilibrium point is the exact midpoint of the range. The premium zone occupies the upper half, where price is above fair value, and smart money is expected to be selling or distributing positions. The discount zone occupies the lower half, where price is below fair value, and institutions are expected to be buying or accumulating. In ICT methodology, traders seek to sell in premium zones and buy in discount zones, aligning their entries with the anticipated institutional order flow and the algorithm tendency to rebalance price toward the equilibrium of a higher timeframe range.
What is the Optimal Trade Entry (OTE) zone and how does it relate to IPDA?
The Optimal Trade Entry (OTE) zone is a concept from ICT methodology that identifies the ideal retracement level for entering trades in the direction of the prevailing trend. The OTE zone lies between the 62 percent and 79 percent Fibonacci retracement levels of a significant price swing. Within the IPDA framework, the OTE zone is calculated relative to each look-back period range. When price retraces into the OTE zone of an IPDA range while remaining in the discount (for longs) or premium (for shorts) of a higher timeframe range, it provides a high-probability entry point. The OTE concept combines the Fibonacci-based entry precision with the institutional price delivery framework of IPDA analysis.
How should traders combine IPDA analysis with other ICT concepts?
IPDA look-back analysis is most effective when combined with other ICT concepts to create a comprehensive trading framework. Traders should first establish the higher timeframe directional bias using the 60 and 40 day ranges, then look for entry opportunities on the 20-day range. Key confluence factors include order blocks (areas of institutional supply and demand), fair value gaps (imbalances in price delivery that the algorithm seeks to fill), liquidity pools above old highs and below old lows, and the time of day when institutional activity peaks during the London and New York sessions. Volume analysis and market structure shifts on lower timeframes can further refine entries within the IPDA framework for higher probability trade setups.
References
Reviewed for accuracy by Daniel Agrici, Founder & Lead Developer · Editorial policy
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