Lot size = standard unit per exchange; Contract size = underlying quantity per option/future.
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What is the difference between open interest and volume?
Volume = traded today; Open interest = total outstanding contracts. Both give market insights.
What is the difference between stop loss order types?
Stop market = triggers market order; Stop limit = triggers limit order. Protects positions differently.
What is the difference between futures and forwards?
Futures = standardized, exchange-traded; Forwards = customized, OTC.
What is the difference between primary and secondary market?
Primary = new issue; Secondary = existing shares traded. Investing happens mostly in secondary market.
What is the difference between NSE and BSE?
Both are stock exchanges; NSE = electronic, BSE = older exchange with electronic access now.
What is the difference between put-call parity and arbitrage?
Put-call parity = theoretical price relation; Arbitrage = exploit mispricing. Options Trading System explains in practice.
What is the difference between portfolio beta and stock beta?
Stock beta = single stock volatility; Portfolio beta = weighted average. Risk measurement differs.
What is the difference between cash market and derivatives market?
Cash = spot trading; Derivatives = contracts on underlying assets.
What is the difference between option intrinsic value and time value?
Intrinsic = immediate exercise value; Time = premium minus intrinsic. Options Trading System demonstrates usage.