Multi-Strike OI Analysis
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Multi-Strike Analysis
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How to Read Multi-Strike OI Analysis
A framework for comparing selected strikes on one timeline and detecting participation shifts around ATM.
Most important nuance
Choose a coherent ATM-centered strike basket. Mixing unrelated distant or illiquid contracts can hide the rotation the chart is meant to reveal.
What It Tracks
Plot selected strikes on one time axis.
Best Comparison
Compare OI and volume across the basket.
Strongest Use
Identify migration between neighboring strikes.
Main Risk
Track continuation across repeated intervals.
Functionality Available on This Page
Multiple Strike Selection
Plots a chosen basket of strikes on the same timeline so relative rotation is visible.
OI Overall
Compares total call and put open interest across each selected strike.
OI Change
Shows fresh expansion or contraction rather than only the outstanding position level.
Volume
Compares traded call and put activity across the selected strike basket.
PCR Volume and Imbalance
Calculates volume-based put-call ratios and normalized call-put volume imbalance.
Live and Historical Comparison
Uses live updates or a selected date while keeping the same strikes and analysis type.
Terminology Traders Actually Need
Strike Basket Selected Comparison+
The page plots multiple chosen strikes together so their OI, OI change, volume, PCR, and imbalance can be compared on one timeline.
Market Reading
Select liquid strikes around ATM and keep the basket stable during the comparison.
India Market Context
Indian index ATM migration can make a previously relevant strike less active during a fast move.
Caveat
Adding many distant strikes can make the chart crowded and dilute the current structure.
Strike Migration Activity Rotation+
Strike migration occurs when OI or volume leadership moves from one selected strike to another.
Market Reading
Track whether the new leading strike is nearer spot, farther away, or associated with an expiry roll.
India Market Context
Round strikes and weekly expiries often show visible activity rotation in NIFTY and BANKNIFTY.
Caveat
Migration may reflect hedging or closing rather than a directional target.
Strike-Level Imbalance CE-PE Difference+
Volume and OI imbalance compare call and put behavior at each selected strike.
Market Reading
Look for the same imbalance across adjacent strikes and multiple snapshots.
India Market Context
Thin stock-option strikes can display unstable ratios and gaps.
Caveat
A large ratio from a small base is less reliable than broad liquid participation.
How to Use This Page
Build an ATM-Centered Basket
Choose a manageable group of relevant, liquid strikes.
Select One Metric
Compare OI, OI change, volume, PCR volume, or imbalance without mixing definitions.
Track Leadership Changes
Note which strike gains or loses activity as spot moves.
Compare Live and Historical Paths
Use the same basket and expiry to test whether the pattern persists.
Frequently Asked Questions
How many strikes should be compared?+
Use enough to cover the active ATM neighborhood without overcrowding the chart.
Why do selected strikes move differently?+
Moneyness, liquidity, IV, hedging demand, and participant positioning differ by strike.
What does strike migration indicate?+
It shows activity relocating, but the cause may be defense, speculation, hedging, closing, or rolling.
Can PCR values across thin strikes be trusted equally?+
No. Check absolute OI and volume because ratios from small denominators can be unstable.
Continue your market analysis
Related options modules to validate the signal from another angle.