Live GAIL Option Chain

The GAIL option chain compares call and put premiums, open interest, change in OI, volume, IV and straddle values strike by strike for GAIL Stock. GAIL options trade on the NSE F&O segment. They are European-style (exercised only at expiry) and physically settled. Select an expiry to examine the chain around the underlying price and replay earlier sessions.

Compare matching units and observation times. Labels describe option premium and OI changes, not the initiating side of trades. Calls and puts have different directional exposure, and IV or time decay can dominate premium movement. OI concentrations and Strong or Weak labels do not establish support, resistance or predictive confidence.

What is the GAIL option chain?

The GAIL option chain lists every available call (CE) and put (PE) strike for a chosen expiry side by side, with last traded price, open interest (OI), change in OI, volume and implied volatility (IV) for each. These are NSE-listed single-stock options on GAIL.

How do I read the GAIL option chain?

Find the at-the-money (ATM) strike nearest the current GAIL price, then compare call and put OI above and below it. Check change in OI for where positions are being added or closed, volume for today's activity, IV for how richly options are priced, and the put-call ratio (total put OI divided by total call OI) for overall positioning. Read them together; none is a signal on its own.

What does change in OI mean in the GAIL option chain?

Change in OI is the net increase or decrease in open contracts at a strike against the data's reference point, normally the previous close. A rise means more contracts were opened than closed; a fall means more were closed. It does not show whether new contracts were bought or written, so JustTicks reads it against the option's price move and labels the pattern Long Buildup, Short Buildup, Short Cover or Long Unwinding.

Which GAIL strike has the highest open interest?

The strikes with the largest call and put OI show as the longest bars in the chain and in the "Call OI peak" and "Put OI peak" figures at the top of the page. Traders often watch them as reference zones, but OI alone cannot show whether those positions were written or bought, so check any level against how price reacts to it.

What is the put-call ratio (PCR) for GAIL?

PCR is total put open interest divided by total call open interest for the selected expiry. JustTicks shows it for the whole chain in the header and per strike in the PCR column. Traders read high or low PCR differently, so treat it as positioning context rather than a forecast.

Can I see the GAIL option chain for a past date?

Yes. Choose a historical date and expiry, then use the replay controls to step through that session in five-minute steps and watch OI, change in OI, volume and premiums evolve. How far back you can go depends on the archive for that instrument and expiry.

How often does the GAIL option chain refresh?

In live mode the page checks for new data every 20 seconds. The underlying snapshots are captured roughly every five minutes, so the chain updates as new data arrives; you do not need to reload the page. Use the Refresh button for an immediate check.

What is the lot size of GAIL options?

Lot sizes are set by the exchange and revised from time to time, so check the current contract specification before sizing a position. The Lots switch in the chain converts OI and volume into lots using the lot size for the selected expiry.

Related JustTicks tools: OI Analysis, Straddle Price, Max Pain

Derivatives desk

GAIL Option Chain

CategoryF&O Stock
ExchangeNSE

GAIL option chain snapshot

Latest captured GAIL option chain for the 27 Oct 2026 expiry, as of 15 Oct 2026, 15:40 IST: the underlying price was 169.35 and the open-interest put-call ratio was 0.97 (call and put OI are close), with the highest call open interest at 175 and the highest put open interest at 190. Max pain was 175.

Underlying
169.35
OI put-call ratio
0.97
Max pain
175
Call OI peak
175 (48.14 Lk)
Put OI peak
190 (39.26 Lk)
ATM straddle
5.40 at 170
ATM IV
21.73%

Computed over the 21 strikes captured around the spot price at the time shown; it is a record of captured data, not a forecast. Open the chain below for current values.

Symbol
Expiry Date
27-Oct-2026
GAIL Historical Date
Backtest
Live Updates

GAIL GAIL Stock Technical Chart

The Ultimate Guide to GAIL (GAIL Stock) Option Chain Analysis

Welcome to the comprehensive GAIL (GAIL Stock) option chain analysis tool. Whether you're a beginner or an experienced trader, our platform provides real-time data, advanced analytics, and interactive tools designed specifically for GAIL Stock options trading. This guide will help you understand how to leverage our unique features to gain deeper insights and make more informed trading decisions.

Understanding GAIL Options Basics

GAIL options are derivative contracts that give the buyer the right, but not the obligation, to buy (CALL) or sell (PUT) the GAIL Stock at a fixed strike price on the expiry date. GAIL options trade on the NSE F&O segment. They are European-style (exercised only at expiry) and physically settled. Lot sizes are set by the exchange and revised from time to time; the Lots switch in the chain uses the current lot size for the expiry you select.The GAIL option chain is a comprehensive display of all available options for GAIL Stock, organized by expiration date and strike price. It provides crucial information like Last Traded Price (LTP), Open Interest (OI), Volume, and Implied Volatility (IV) for each strike price for both call and put options.

Key Features of Our GAIL Option Chain Tool

1. Real-Time GAIL Market Data Visualization

Our platform displays comprehensive GAIL data for both call and put options, with color-coded visual elements that make it easy to identify patterns and trends in GAIL Stock options:
  • Current GAIL spot price with automatic highlighting of nearby strike prices
  • Color-coded Last Traded Price (LTP) with price change indicators
  • Visual horizontal bars for Open Interest (OI) comparison across strikes
  • Color indicators for OI changes (increasing/decreasing positions)
  • Put-Call Ratio (PCR) with color coding for call/put OI concentration
  • Straddle values for quick volatility strategy assessment

2. Automated Pattern Recognition for GAIL

The chain labels how each strike's OI and premium moved together. These are observations of GAIL Stock options data, not trading signals:
  • Automatic identification of "Long Buildup," "Short Cover," "Short Buildup," and "Long Unwinding" patterns
  • Strength indicators that assess whether patterns are "Strong" or "Weak" based on OI changes
  • Color-coded PCR cells that highlight call-OI (<0.5) or put-OI (>1.5) concentration for GAIL
  • Visual OI bars that make it easy to spot unusual activity at specific strike prices

3. Unique GAIL Options Replay Feature

Our exclusive replay feature for GAIL Stock options data allows you to:
  • Review how the GAIL option chain evolved throughout the trading day
  • Play, pause, and control replay speed (0.5x, 1x, 2x, 4x)
  • Scrub through specific time points using the interactive timeline slider
  • Study how GAIL option prices, OI, and volume changed in response to market events
  • Back-test trading strategies by analyzing historical data points

4. GAIL Premium Skew Chart

The premium skew chart visualizes GAIL option premium distribution across strike prices:
  • Identify directional bias in GAIL Stock through asymmetric premium distribution
  • Compare how much premium sits at each GAIL strike on either side of the spot price
  • Visualize market expectations around key price levels in GAIL Stock
  • Track changes in skew patterns over time using the replay feature

5. Customizable Display Options

Tailor the GAIL option chain to your specific needs:
  • Column selection to show only the data metrics you care about
  • Strike range filter (±5, ±10, ±20, ±30, or All) to focus on relevant strike prices
  • Display format toggle between formatted values (Cr/Lk) and raw numbers
  • Quantity/Lots toggle to view data in preferred units
  • Dark/Light mode support for comfortable viewing in any environment

Advanced Trading Strategies for GAIL (GAIL Stock) Options

1. Directional Trading with GAIL Options

Use pattern labels as observations to investigate, with underlying price action, IV and time decay providing context:
  • Long Buildup in GAIL calls describes rising OI and rising or unchanged premium; it does not prove bullish intent
  • Short Buildup in GAIL puts describes rising OI and falling premium; a bullish interpretation requires confirming underlying price action and no dominant IV or decay effect
  • Track changes in OI and volume to confirm directional momentum
  • Analyze IV levels to select optimal strikes for GAIL call or put options
  • Confirm with PCR values and OI distribution patterns for GAIL Stock

2. Volatility-Based GAIL Trading Strategies

Our GAIL option chain includes a dedicated "Straddle" column that displays the combined value of call and put options:
  • Quickly assess the cost of implementing straddle positions at different GAIL strikes
  • Compare straddle values across strikes to identify where the market expects the most volatility in GAIL Stock
  • Use the IV column to identify potentially overpriced or underpriced GAIL options
  • Implement straddles or strangles when expecting significant price movement in GAIL Stock but uncertain about direction

3. Support/Resistance Level Identification

Analyze GAIL OI distributions to identify potential support and resistance levels:
  • Look for strikes with unusually high call OI (potential resistance for GAIL)
  • Look for strikes with unusually high put OI (potential support for GAIL)
  • Use the OI visualization bars to quickly identify these levels
  • Track how these levels evolve over time using the replay feature
  • Use these levels for more precise entry and exit points when trading GAIL Stock

How to Use the GAIL Option Chain Analysis Tool

Follow these steps to make the most of our GAIL (GAIL Stock) option chain analysis tool:

1. Basic Navigation

  • Select the appropriate expiry date for GAIL options
  • Toggle between "Live" mode for real-time updates and historical mode for past data
  • Use the strike range selector to focus on relevant strikes around the current GAIL price
  • Customize which columns to display using the column selector
  • Switch between formatted values and raw numbers based on your preference

2. Analyzing GAIL Option Chain Data

  • Review CALL and PUT OI data for different GAIL Stock strike prices to identify support and resistance levels
  • Pay attention to the automatically identified patterns in both CALL and PUT options for GAIL
  • Use the premium skew chart to analyze how option premiums vary across GAIL strike prices
  • Look for unusually high volume or OI at specific strike prices which may indicate significant institutional activity
  • Use PCR values to gauge overall market sentiment for GAIL Stock

3. Using the GAIL Historical Replay Feature

  • Select "Historical" date and disable live updates
  • Use the play/pause button to begin playback of GAIL options data throughout the trading day
  • Adjust the replay speed (0.5x, 1x, 2x, 4x) as needed
  • Drag the timeline slider to jump to specific time points
  • Watch for significant changes in OI, volume, and price to identify key market movements in GAIL Stock
  • Use this feature to back-test your GAIL trading strategies against historical data

4. Leveraging Technical Charts

  • Use the integrated TradingView charts to analyze GAIL price action alongside options data
  • Compare chart patterns with changes in options data to see whether price and positioning agree
  • Read technical indicators alongside OI and IV changes for added context; none of them is a trading signal

Advanced Analytics for GAIL (GAIL Stock) Options

Our platform offers several advanced analytics specifically for GAIL options trading:

Put-Call Ratio (PCR) for GAIL

The Put-Call Ratio (PCR) for GAIL is calculated by dividing the total put OI by the total call OI. In our GAIL Stock option chain, PCR values are color-coded:
  • Teal (>1.5): Put OI dominates the displayed strike range
  • Red (<0.5): Call OI dominates the displayed strike range
  • Neutral values (0.5-1.5): OI is comparatively balanced
PCR is a positioning ratio, not a directional signal by itself. Confirm it with price, OI change, volume, IV, strike location, and intraday evolution.

Implied Volatility (IV) Analysis

Implied Volatility represents the market's expectation of future GAIL price movement and directly impacts option premiums:
  • Higher IV values indicate greater expected price movement for GAIL Stock
  • Compare IV across different strikes to identify volatility skew
  • Look for strikes with unusually high or low IV compared to nearby strikes
  • Track IV changes over time using our replay feature
  • Compare IV with its history and event risk before consideringGAIL options; elevated IV alone does not favour selling

GAIL Open Interest (OI) Pattern Analysis

Our tool automatically interprets OI patterns for GAIL options, labeling them as:
  • "Long Buildup": Increasing OI with rising or unchanged option premiums
  • "Short Cover": Decreasing OI with rising or unchanged option premiums
  • "Short Buildup": Increasing OI with falling option premiums
  • "Long Unwinding": Decreasing OI with falling option premiums
Each open option contract has a buyer and seller. OI and premium changes cannot identify trade intent or distinguish hedges and spreads. Directional readings assume the underlying move drives the premium, with IV and time decay not dominating it: call premium gains may align with bullish price action and put premium gains with bearish price action; falling premiums suggest the reverse. Compare the same expiry and observation period. The Strong or Weak label describes relative OI change, not predictive confidence.

Tips for Successful GAIL Options Trading

  • Use Multiple Indicators: Combine OI analysis, PCR values, IV levels, and technical chart patterns for more robust GAIL trading decisions.
  • Start with Liquid Strikes: Focus on strikes with high OI and volume for better fills and tighter spreads when trading GAIL Stock options.
  • Monitor Support/Resistance: Pay attention to strikes with high OI as they often act as support or resistance levels for GAIL.
  • Use the Replay Feature: Study how GAIL option metrics evolved during past market movements to improve your understanding of options behavior.
  • Customize Your View: Use the column selector to focus on the metrics most relevant to your GAIL trading strategy.
  • Stay Aware of Events: Major economic announcements, earnings, or other news events can significantly impact GAIL Stock options pricing and volatility.

Get Started with GAIL (GAIL Stock) Options Trading Today

Take your GAIL trading strategy to the next level with our comprehensive GAIL Stock option chain analysis tool. Whether you're analyzing real-time data or exploring historical trends, our platform provides the tools and insights you need to succeed in trading GAIL options. With features like automated pattern recognition, visual OI representation, premium skew chart, and our unique replay feature, you'll have everything required to navigate the complex world of GAIL Stockoptions trading with confidence.

GAIL Option Chain FAQs

What is the GAIL option chain?

The GAIL option chain lists every available call (CE) and put (PE) strike for a chosen expiry side by side, with last traded price, open interest (OI), change in OI, volume and implied volatility (IV) for each. These are NSE-listed single-stock options on GAIL.

How do I read the GAIL option chain?

Find the at-the-money (ATM) strike nearest the current GAIL price, then compare call and put OI above and below it. Check change in OI for where positions are being added or closed, volume for today's activity, IV for how richly options are priced, and the put-call ratio (total put OI divided by total call OI) for overall positioning. Read them together; none is a signal on its own.

What does change in OI mean in the GAIL option chain?

Change in OI is the net increase or decrease in open contracts at a strike against the data's reference point, normally the previous close. A rise means more contracts were opened than closed; a fall means more were closed. It does not show whether new contracts were bought or written, so JustTicks reads it against the option's price move and labels the pattern Long Buildup, Short Buildup, Short Cover or Long Unwinding.

Which GAIL strike has the highest open interest?

The strikes with the largest call and put OI show as the longest bars in the chain and in the "Call OI peak" and "Put OI peak" figures at the top of the page. Traders often watch them as reference zones, but OI alone cannot show whether those positions were written or bought, so check any level against how price reacts to it.

What is the put-call ratio (PCR) for GAIL?

PCR is total put open interest divided by total call open interest for the selected expiry. JustTicks shows it for the whole chain in the header and per strike in the PCR column. Traders read high or low PCR differently, so treat it as positioning context rather than a forecast.

Can I see the GAIL option chain for a past date?

Yes. Choose a historical date and expiry, then use the replay controls to step through that session in five-minute steps and watch OI, change in OI, volume and premiums evolve. How far back you can go depends on the archive for that instrument and expiry.

How often does the GAIL option chain refresh?

In live mode the page checks for new data every 20 seconds. The underlying snapshots are captured roughly every five minutes, so the chain updates as new data arrives; you do not need to reload the page. Use the Refresh button for an immediate check.

What is the lot size of GAIL options?

Lot sizes are set by the exchange and revised from time to time, so check the current contract specification before sizing a position. The Lots switch in the chain converts OI and volume into lots using the lot size for the selected expiry.

New to option chains? Read the guide to reading an option chain for the layout, open interest, buildup labels, implied volatility and straddle value, with a step-by-step routine.

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