37 Core Trading Concepts & Market Mechanics

Instruments & Asset ClassesBeginner

Equities, Indices, ETFs & Free-Float Market Cap

Understand the fundamental building blocks of stock investing: equity shares, broad benchmark indices (NIFTY 50, SENSEX), Exchange Traded Funds (ETFs), and free-float market capitalization weighting.

Free Float Market Cap = Total Shares Outstanding × (1 - Non-Free Float Share %) × Current Market Price

7 min readLearn Concept

Market MicrostructureIntermediate

Bid-Ask Spread, Order Book Depth & Slippage

Master market depth (Level 2/3), the mechanics of Bid-Ask spread, market impact cost, order matching priority, and how institutional algorithms execute without causing severe slippage.

Spread % = ((Best Ask - Best Bid) / Mid Price) × 100 | Slippage = Executed Fill Price - Intended Decision Price

Volume DynamicsIntermediate

Liquidity, Trading Volume & Delivery Turnover

Learn how to analyze trading volume, delivery percentage, rupee turnover, and institutional accumulation footprints to distinguish genuine trend breakouts from low-volume retail traps.

Delivery % = (Delivered Shares / Total Traded Shares) × 100 | Daily Turnover = Total Traded Volume × Average Price

Position FundamentalsBeginner

Long vs Short Positions & Short Selling Mechanics

Demystifying long and short positions, how intraday short selling works in Indian equity markets, the Securities Lending and Borrowing (SLB) mechanism, and the asymmetric risk profile of shorting.

Long P&L = (Exit Price - Entry Price) × Qty | Short P&L = (Entry Price - Exit Price) × Qty

Execution ArchitectureBeginner

Order Types: Market, Limit, SL, Trailing Stop, GTC & IOC

A complete breakdown of exchange order types: Market, Limit, Stop-Loss (SL-L, SL-M), Trailing Stops, Good-Till-Cancelled (GTC/GTT), Immediate-or-Cancel (IOC), and Bracket Orders.

SL-L Condition: For Buy Stop, Trigger Price <= Limit Price. For Sell Stop, Trigger Price >= Limit Price.

Margin & Capital ManagementIntermediate

Leverage, Peak Margins, MTM Cycles & Margin Calls

Understand SEBI peak margin rules, SPAN + Exposure margins for derivatives, Mark-to-Market (MTM) daily settlement, and how to manage margin calls without triggering auto-liquidation.

Total Margin = SPAN Margin (Volatility Risk) + Exposure Margin (Tail Risk Buffer) - Multi-leg Spread Benefit

Notional Exposure = Lot Size × Underlying Spot Price | Leverage Factor = Notional Value / Margin Paid

Derivatives CoreBeginner

Derivatives: Underlying Assets, Lot Sizes & Settlement

Understand what financial derivatives are, how contract specifications, standardized lot sizes, notional value, and physical vs cash settlement work across Indian indices and stocks.

Futures PricingIntermediate

Futures Pricing: Fair Value, Cost of Carry & Spot Parity

Master the mathematics of futures pricing, the Cost of Carry model, risk-free interest rates, dividend adjustments, fair value calculations, and cash-futures arbitrage.

Futures Fair Value = Spot Price × [1 + r × (t / 365)] - Future Value of Expected Dividends

Futures Market StructureIntermediate

Contango, Backwardation, Basis & Calendar Spreads

Understand the market conditions of Contango vs Backwardation, how basis reflects market sentiment, and how to construct hedged low-margin Futures Calendar Spreads.

Basis = Spot Price - Futures Price | Calendar Spread = Far Month Futures Price - Near Month Futures Price

Derivatives Volume & OIIntermediate

Open Interest (OI) Analysis & Expiry Rollover Dynamics

Master the 4 quadrants of Open Interest (Long Buildup, Short Buildup, Short Covering, Long Unwinding), tracking institutional positioning, and reading monthly expiry rollover percentages.

Total OI = Total Active Long Contracts = Total Active Short Contracts | Rollover % = (Next Month OI + Far Month OI) / Total OI × 100

Options FundamentalsBeginner

Calls vs Puts: Rights, Obligations & Risk Asymmetry

Comprehensive guide to Call and Put options, the fundamental asymmetry between option buyers (capped risk, unlimited upside) and option sellers (capped profit, undefined risk), and exercise rights.

Call Payoff (Buyer) = Max(0, Spot Price - Strike Price) - Premium Paid | Put Payoff (Buyer) = Max(0, Strike Price - Spot Price) - Premium Paid

Options ValuationBeginner

Moneyness: ITM, ATM, OTM & Time Value Decomposition

Understand option moneyness classifications (In-The-Money, At-The-Money, Out-Of-The-Money), how option premium is mathematically split into Intrinsic Value and Extrinsic (Time) Value, and strike selection.

Total Premium = Intrinsic Value + Extrinsic Value | Call Intrinsic = Max(0, Spot - Strike) | Put Intrinsic = Max(0, Strike - Spot)

Quantitative PricingAdvanced

Option Pricing: Black-Scholes Model & Put-Call Parity

Deconstruct the Black-Scholes-Merton (BSM) option pricing formula, the 6 core pricing inputs, Binomial pricing trees, Put-Call Parity (PCP), and how synthetic options positions are mathematically derived.

Put-Call Parity: C - P = S - K × e^(-r × T) | Synthetic Long Stock = Long Call (Strike K) + Short Put (Strike K)

Options Chain & FlowIntermediate

Options Chain Analysis: Open Interest, PCR & Max Pain

Learn how to read an Option Chain like an institutional prop trader: analyzing Call vs Put OI accumulation, interpreting the Put-Call Ratio (PCR), decoding Max Pain theory, and identifying major support/resistance walls.

PCR (OI) = Total Put Open Interest / Total Call Open Interest | Max Pain = Strike where Total Option Value Expiring ITM is Minimized

Option Greeks & PricingBeginner

Option Greeks Explained in Plain English: Delta, Gamma, Theta, Vega & Rho

Understand the 5 Option Greeks (Delta, Gamma, Theta, Vega, Rho) in simple words with plain English analogies, real Indian market examples (Nifty & Bank Nifty), and practical rupee calculations.

Option Price Change = (Delta × Nifty Move) + (0.5 × Gamma × Nifty Move²) - (Theta × Days Passed) + (Vega × Volatility Change)

Time Decay MechanicsIntermediate

Theta (Θ) Decay: Nonlinear Time Value Erosion Dynamics

Comprehensive guide to Theta (the daily erosion of extrinsic time value), the non-linear square-root decay curve, weekend calendar decay, and ATM vs OTM theta behavior.

Theta Erosion Curve: Extrinsic Value ∝ √(Days to Expiration / 365) | Daily Theta = ∂V / ∂t

Volatility MetricsAdvanced

Vega (ν), Implied Volatility (IV), IV Rank & Percentile

Deconstruct Vega sensitivity, Historical vs Implied Volatility, India VIX mechanics, and how to use IV Rank (IVR) and IV Percentile (IVP) to mathematically determine whether to buy or sell options.

IV Rank = ((Current IV - 52W Low IV) / (52W High IV - 52W Low IV)) × 100 | Vega P&L = Net Vega × ΔIV

Volatility SurfaceAdvanced

IV Crush, Volatility Skew, Smile & Term Structure

Understand IV Crush after earnings and Union Budget announcements, Volatility Skew (Put vs Call pricing asymmetry), Volatility Smiles/Smirks, and the Volatility Term Structure curve.

Expected Move ≈ Spot Price × Implied Volatility × √(Days to Event / 365) × 0.85

Quantitative DerivativesAdvanced

Advanced Higher-Order Greeks: Vanna, Charm, Volga & Speed

Institutional masterclass on cross-derivative Greeks: Vanna (∂Δ/∂σ), Charm (∂Δ/∂t), Volga/Vomma (∂ν/∂σ), and Color (∂Γ/∂t). Learn how market-maker hedging flows drive market moves.

Vanna = ∂²V / (∂S ∂σ) = ∂Delta / ∂IV | Charm = -∂²V / (∂S ∂t) = -∂Delta / ∂Time

12 min readLearn Concept

Price Action LevelsBeginner

Support, Resistance, Trendlines & Polarity Flips

Master horizontal support and resistance levels, diagonal trendlines, dynamic moving average support, and the Principle of Polarity (broken support becomes new resistance).

Principle of Polarity: Broken Support → New Resistance | Broken Resistance → New Support

Candlestick AnalysisBeginner

Japanese Candlestick Anatomy & High-Probability Reversals

Learn candlestick anatomy (Real Body, Upper/Lower Wicks), and deconstruct high-probability single and multi-candle reversal patterns: Hammer, Shooting Star, Bullish/Bearish Engulfing, Morning/Evening Star, and Inside Bars.

Hammer Criteria: Lower Wick >= 2 × Real Body Height | Upper Wick <= 0.2 × Real Body | Occurs after defined Downtrend

Pattern RecognitionIntermediate

Classical Chart Patterns: Reversal & Continuation Formations

Master classical geometric chart patterns: Double Top/Bottom, Head and Shoulders (and Inverted H&S), Bull/Bear Flags, Pennants, Symmetrical/Ascending/Descending Triangles, and Cup & Handle.

Measured Move Target = Breakout Price ± Vertical Pattern Height (H)

Quantitative IndicatorsIntermediate

Technical Indicators: RSI, MACD, EMAs, Bollinger Bands & ATR

Comprehensive guide to mathematical technical indicators: Relative Strength Index (RSI Divergences), MACD Crossovers, Exponential Moving Averages (20/50/200 EMA), Bollinger Bands (Squeezes), and Average True Range (ATR) volatility stops.

RSI = 100 - [100 / (1 + RS)] | MACD Line = 12 EMA - 26 EMA | ATR Sizing Stop = Entry Price - (2.0 × 14 ATR)

Auction Market TheoryAdvanced

Volume Profile, Anchored VWAP & Point of Control (POC)

Master Auction Market Theory (AMT), Volume Profile (Point of Control, Value Area High/Low), and Anchored VWAP to trade where institutional capital actually transacted rather than arbitrary time-based levels.

VWAP = Σ (Price × Volume) / Σ (Total Volume) | Value Area = Price Range containing 70% of Total Session Volume

Institutional Market StructureIntermediate

Market Structure: Swing Points, BOS & Change of Character (CHoCH)

Understand institutional market structure, Swing Highs & Lows, Break of Structure (BOS) trend continuation, and Change of Character (CHoCH) early trend reversal triggers.

Bullish BOS = Candle Close > Previous Swing High | Bearish CHoCH = Candle Close < Prior Higher Low in Uptrend

Smart Money LiquidityAdvanced

Liquidity Pools, Equal Highs/Lows & Stop-Hunt Sweeps

Learn where liquidity clusters in financial markets: Buy-Side Liquidity (BSL), Sell-Side Liquidity (SSL), Equal Highs/Lows (EQH/EQL), and how institutional algorithms execute stop-hunt sweeps before genuine trend moves.

Liquidity Sweep Confirmation: Candle Wick > Swing High / < Swing Low, but Candle Body Closes BACK INSIDE the Range

Smart Money Price ActionAdvanced

Institutional Order Blocks (OB) & Fair Value Gaps (FVG)

Master Order Blocks (the final opposing candle before an institutional impulse move) and Fair Value Gaps (3-candle market imbalances / inefficiencies) for sniper entries with tight risk.

Bullish FVG: Candle 1 High < Candle 3 Low (Gap Zone = Candle 1 High to Candle 3 Low) | Mitigated when price revisits the gap

Corporate FundamentalsIntermediate

Fundamental Analysis: P/E, EV/EBITDA, ROE, ROCE & Cash Flow

A structured guide to financial statement analysis (Income Statement, Balance Sheet, Cash Flow), and core corporate valuation ratios: P/E, PEG, EV/EBITDA, ROE, ROCE, Free Cash Flow, and Debt-to-Equity.

P/E = Market Price / EPS | EV = Market Cap + Total Debt - Cash | ROCE = EBIT / (Total Assets - Current Liabilities)

Macroeconomic DriversIntermediate

Macroeconomics: Inflation (CPI), RBI Repo Rates & Yield Curves

Understand how macroeconomics drives financial markets: Consumer Price Inflation (CPI), RBI Monetary Policy & Repo Rates, 10-Year Government Bond Yields, Currency (USD/INR), and Risk-On vs Risk-Off cycles.

Real Interest Rate = Nominal Repo Rate - CPI Inflation | Present Value of Equities = Σ [Cash Flow / (1 + Discount Rate)^t]

Risk Management MathBeginner

Position Sizing & The Non-Negotiable 1% Risk Rule

Master mathematical position sizing, the 1% risk rule, fixed fractional capital allocation, and how to calculate exact share quantity to make your portfolio mathematically immune to ruin.

Share Quantity = (Account Capital × Risk %) / (Entry Price - Stop Loss Price) | Rupee Risk = Qty × SL Distance

Quantitative ExpectancyIntermediate

Risk-Reward Ratios, R-Multiples & Mathematical Expectancy

Understand R-Multiples (Van Tharp framework), Risk-to-Reward (R:R) ratios, win rates vs payoff ratios, and how to calculate the mathematical Expectancy formula of a trading system.

Expectancy (E) = (Win Rate % × Average Win R) - (Loss Rate % × Average Loss R) | Breakeven Win Rate = 1 / (1 + R:R)

Portfolio LongevityIntermediate

Drawdown Math, Asymmetric Recovery & Risk of Ruin

Understand Maximum Drawdown (MDD), the punishing nonlinear mathematics of drawdown recovery (a 50% loss requires a 100% gain to break even), and how to navigate the Risk of Ruin table.

Required Recovery Gain % = [1 / (1 - Drawdown %)] - 1 | E.g., For 50% Loss: [1 / 0.50] - 1 = +100%

Sharpe Ratio = (Rp - Rf) / σp | Sortino Ratio = (Rp - Rf) / Downside Deviation (σd) | Profit Factor = Gross Wins / Gross Losses

System AnalyticsAdvanced

Performance Metrics: Sharpe, Sortino, Profit Factor & Calmar

Master institutional quantitative performance metrics: Sharpe Ratio (total risk-adjusted return), Sortino Ratio (downside volatility filter), Profit Factor, Maximum Drawdown, and Calmar Ratio.

Behavioral FinanceBeginner

Trading Psychology: FOMO, Revenge Trading & Cognitive Biases

Deconstruct psychological pitfalls in trading: FOMO (Fear Of Missing Out), Revenge Trading, Loss Aversion, Sunk Cost Fallacy, Gambler’s Fallacy, and building a disciplined trading journal.

The Emotional Cooldown Rule: Mandatory 30-minute terminal lockout after 2 consecutive stop-loss triggers in a session.