About this bilingual edition / இந்த இருமொழி பதிப்பு
EN English
Every concept is presented in matching English and Tamil columns. Read the English terminology used by trading platforms and immediately compare it with a detailed Tamil explanation.
- 55 detailed keyword chapters
- Examples, interpretation, mistakes and risk
- Decision framework, checklists and quiz
- Responsive and printable layout
TA தமிழ்
ஒவ்வொரு concept-மும் இடது பக்கத்தில் English, வலது பக்கத்தில் விரிவான Tamil விளக்கத்துடன் அமைக்கப்பட்டுள்ளது. Trading platform-ல் காணும் English terminology-ஐ அதே இடத்தில் தமிழில் முழுமையாகப் புரிந்துகொள்ளலாம்.
- 55 விரிவான keyword chapters
- எண் உதாரணங்கள், option-chain interpretation, பொதுவான தவறுகள் மற்றும் risk notes
- Decision framework, checklists மற்றும் quiz
- Mobile-friendly மற்றும் print/PDF வசதி
Keyword Chapters / முக்கிய பாடங்கள்
UnderlyingUnderlying
The base index or stock from which the option derives its value.Call Option (CE)Call Option (CE)
A contract giving the buyer the right to benefit from an upward move.Put Option (PE)Put Option (PE)
A contract giving the buyer the right to benefit from a downward move.Strike PriceStrike Price
The reference price written into an option contract.ExpiryExpiry
The final date on which an option contract remains valid.Lot SizeLot Size
The number of option units in one exchange contract.Option PremiumOption Premium
The market price paid by the buyer and received by the seller.Intrinsic ValueIntrinsic Value
The immediate in-the-money value of an option.Time ValueTime Value
The part of premium paid for future possibility before expiry.ATM – At The MoneyATM – அட் தி மணி
The strike nearest to the current underlying price.ITM – In The MoneyITM – இன் தி மணி
An option with positive intrinsic value.OTM – Out Of The MoneyOTM – அவுட் ஆஃப் தி மணி
An option with no intrinsic value at the current spot.Deep ITMDeep ITM
A strike far inside intrinsic value.Deep OTMDeep OTM
A strike far away from the current spot with low probability of finishing ITM.LTP – Last Traded PriceLTP – Last Traded Price
The price at which the most recent trade occurred.Bid, Ask and SpreadBid, Ask மற்றும் Spread
Bid is the best visible buying price; ask is the best visible selling price; spread is their difference.VolumeVolume
The quantity traded during the current session.Open Interest (OI)Open Interest (OI)
The number of outstanding derivative positions not yet closed.Change in OIChange in OI
The increase or decrease in outstanding positions over a selected period.Long/Short Build-up MatrixLong/Short Build-up Matrix
A framework combining price change and OI change.PCR – Put Call RatioPCR – Put Call Ratio
A ratio comparing put activity or OI with call activity or OI.Max PainMax Pain
A theoretical expiry strike where aggregate option-holder payout may be lowest.Call Wall / Put WallCall Wall / Put Wall
A strike with conspicuously large call or put OI that traders treat as a potential barrier.Implied Volatility (IV)Implied Volatility (IV)
The volatility level implied by current option prices.IV RankIV Rank
Current IV’s position between its historical low and high over a chosen lookback.IV PercentileIV Percentile
The percentage of historical observations below the current IV.IV CrushIV Crush
A rapid fall in implied volatility, commonly after an anticipated event.DeltaDelta
Approximate change in option premium for a one-point change in the underlying, all else equal.GammaGamma
The rate at which delta changes when the underlying moves.ThetaTheta
The estimated loss of option value from the passage of time, all else equal.VegaVega
The sensitivity of option premium to a one-percentage-point change in IV.RhoRho
Sensitivity of option value to interest-rate changes.LiquidityLiquidity
The ability to enter or exit near a fair price without materially moving the market.SlippageSlippage
The difference between the expected price and the actual executed price.VWAPVWAP
Volume Weighted Average Price for the trading session.Break-even at ExpiryExpiry Break-even
The expiry price where the option buyer’s net intrinsic value equals premium paid, excluding charges.MoneynessMoneyness
The relationship between spot and strike: ITM, ATM or OTM.Time DecayTime Decay
The erosion of time value as expiry approaches.Support and ResistanceSupport மற்றும் Resistance
Price zones where demand or supply has previously influenced movement.MarginMargin
Capital blocked by the broker/exchange to support derivative risk.MTM – Mark to MarketMTM – Mark to Market
The current profit or loss based on the latest valuation.Stop Loss and InvalidationStop Loss மற்றும் Invalidation
A predefined exit used when the trade thesis is wrong or loss reaches a limit.Risk–Reward RatioRisk–Reward Ratio
The planned potential reward relative to planned loss.Position SizingPosition Sizing
Choosing quantity based on account size and permitted risk.Call WritingCall Writing
Selling a call option to receive premium and accept call-side risk.Put WritingPut Writing
Selling a put option to receive premium and accept downside risk.HedgingHedging
Using another position to reduce the risk of a primary position.StraddleStraddle
Buying or selling a call and put at the same strike and expiry.StrangleStrangle
Buying or selling OTM call and OTM put with the same expiry.Vertical SpreadsVertical Spreads
Two options of the same type and expiry at different strikes.Iron CondorIron Condor
A defined-risk four-leg strategy designed for a range.Calendar SpreadCalendar Spread
Options at the same strike but different expiries.Market and Limit OrdersMarket மற்றும் Limit Orders
Market order prioritizes execution; limit order prioritizes price.India VIXIndia VIX
A market volatility index derived from NIFTY option prices.Event RiskEvent Risk
The risk from scheduled or unexpected news that changes price or IV abruptly.
The base index or stock from which the option derives its value.Call Option (CE)Call Option (CE)
A contract giving the buyer the right to benefit from an upward move.Put Option (PE)Put Option (PE)
A contract giving the buyer the right to benefit from a downward move.Strike PriceStrike Price
The reference price written into an option contract.ExpiryExpiry
The final date on which an option contract remains valid.Lot SizeLot Size
The number of option units in one exchange contract.Option PremiumOption Premium
The market price paid by the buyer and received by the seller.Intrinsic ValueIntrinsic Value
The immediate in-the-money value of an option.Time ValueTime Value
The part of premium paid for future possibility before expiry.ATM – At The MoneyATM – அட் தி மணி
The strike nearest to the current underlying price.ITM – In The MoneyITM – இன் தி மணி
An option with positive intrinsic value.OTM – Out Of The MoneyOTM – அவுட் ஆஃப் தி மணி
An option with no intrinsic value at the current spot.Deep ITMDeep ITM
A strike far inside intrinsic value.Deep OTMDeep OTM
A strike far away from the current spot with low probability of finishing ITM.LTP – Last Traded PriceLTP – Last Traded Price
The price at which the most recent trade occurred.Bid, Ask and SpreadBid, Ask மற்றும் Spread
Bid is the best visible buying price; ask is the best visible selling price; spread is their difference.VolumeVolume
The quantity traded during the current session.Open Interest (OI)Open Interest (OI)
The number of outstanding derivative positions not yet closed.Change in OIChange in OI
The increase or decrease in outstanding positions over a selected period.Long/Short Build-up MatrixLong/Short Build-up Matrix
A framework combining price change and OI change.PCR – Put Call RatioPCR – Put Call Ratio
A ratio comparing put activity or OI with call activity or OI.Max PainMax Pain
A theoretical expiry strike where aggregate option-holder payout may be lowest.Call Wall / Put WallCall Wall / Put Wall
A strike with conspicuously large call or put OI that traders treat as a potential barrier.Implied Volatility (IV)Implied Volatility (IV)
The volatility level implied by current option prices.IV RankIV Rank
Current IV’s position between its historical low and high over a chosen lookback.IV PercentileIV Percentile
The percentage of historical observations below the current IV.IV CrushIV Crush
A rapid fall in implied volatility, commonly after an anticipated event.DeltaDelta
Approximate change in option premium for a one-point change in the underlying, all else equal.GammaGamma
The rate at which delta changes when the underlying moves.ThetaTheta
The estimated loss of option value from the passage of time, all else equal.VegaVega
The sensitivity of option premium to a one-percentage-point change in IV.RhoRho
Sensitivity of option value to interest-rate changes.LiquidityLiquidity
The ability to enter or exit near a fair price without materially moving the market.SlippageSlippage
The difference between the expected price and the actual executed price.VWAPVWAP
Volume Weighted Average Price for the trading session.Break-even at ExpiryExpiry Break-even
The expiry price where the option buyer’s net intrinsic value equals premium paid, excluding charges.MoneynessMoneyness
The relationship between spot and strike: ITM, ATM or OTM.Time DecayTime Decay
The erosion of time value as expiry approaches.Support and ResistanceSupport மற்றும் Resistance
Price zones where demand or supply has previously influenced movement.MarginMargin
Capital blocked by the broker/exchange to support derivative risk.MTM – Mark to MarketMTM – Mark to Market
The current profit or loss based on the latest valuation.Stop Loss and InvalidationStop Loss மற்றும் Invalidation
A predefined exit used when the trade thesis is wrong or loss reaches a limit.Risk–Reward RatioRisk–Reward Ratio
The planned potential reward relative to planned loss.Position SizingPosition Sizing
Choosing quantity based on account size and permitted risk.Call WritingCall Writing
Selling a call option to receive premium and accept call-side risk.Put WritingPut Writing
Selling a put option to receive premium and accept downside risk.HedgingHedging
Using another position to reduce the risk of a primary position.StraddleStraddle
Buying or selling a call and put at the same strike and expiry.StrangleStrangle
Buying or selling OTM call and OTM put with the same expiry.Vertical SpreadsVertical Spreads
Two options of the same type and expiry at different strikes.Iron CondorIron Condor
A defined-risk four-leg strategy designed for a range.Calendar SpreadCalendar Spread
Options at the same strike but different expiries.Market and Limit OrdersMarket மற்றும் Limit Orders
Market order prioritizes execution; limit order prioritizes price.India VIXIndia VIX
A market volatility index derived from NIFTY option prices.Event RiskEvent Risk
The risk from scheduled or unexpected news that changes price or IV abruptly.