What is Open Interest (OI) buildup in NSE futures trading?

Open Interest buildup categorizes futures contracts into four institutional quadrants: Long Buildup (Price Up, OI Up), Short Buildup (Price Down, OI Up), Short Covering (Price Up, OI Down), and Long Unwinding (Price Down, OI Down).

How does Option Chain Pro calculate Black-Scholes Greeks?

TradersDesk computes Delta, Gamma, Theta, Vega, and Rho using the Black-Scholes-Merton model with real-time implied volatility (IV) inversion across all active weekly and monthly expiries.

How are FII and DII smart money cash flows calculated?

FII and DII daily activity is aggregated from official National Stock Exchange of India (NSE) gross buy and sell value disclosures, producing the net daily cash flow in ₹ Crores.

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Frequently Asked Questions

Where does TradersDesk source its delivery and derivatives data?

All cash delivery positions, Bhavcopy files, MTF financed books, and futures open interest are ingested directly from official NSE and BSE regulatory disclosures with zero synthetic distortion.

How are Option Greeks calculated?

Greeks (Delta, Gamma, Theta, Vega) and Implied Volatility (IV) are computed using high-precision Black-Scholes-Merton models calibrated to Indian risk-free interest rates (RBI TREPS 6.50%) and exact calendar minutes to expiry.

Is my broker API token or password stored on your server?

No. Broker authentication operates via client-side TOTP or tokenized session cookies. TradersDesk never stores your trading account passwords or PINs on disk.