OCP Blog

Market insights, Option trading guides, and derivative analyses

Greeks Education6 min read

Mastering the Option Greeks: Delta, Gamma, Theta, Vega

By Aritra Sen (Quantitative Analyst)•July 18, 2026

Option Greeks are mathematical values that help traders measure the risk of option contracts. Learn how to interpret Delta (price changes), Gamma (delta acceleration), Theta (time decay), and Vega (volatility swings) to build risk-defined options strategies.

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OI Analytics5 min read

Understanding PCR (Put-Call Ratio) Shifts in Live Option Chain

By Subhojit Dutta (Derivatives Trader)•July 10, 2026

The Put-Call Ratio (PCR) is a powerful sentiment indicator. In this post, we discuss how to read live PCR shifts at specific strikes during market hours, how to spot extreme overbought/oversold levels, and how to identify institutional positioning.

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Trading Strategies8 min read

S-Reversal Strategy: How Theta Decays Create Strong Reversal Walls

By OCP Research Team•June 28, 2026

Reversal trading can be risky, but theta decay profiles create predictable support and resistance boundaries near monthly expiries. We explain the mathematical foundation of our S-Reversal system and how to find high-probability reversal entry zones.

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⚠️ Disclaimer: This tool is for educational and informational purposes only. It is not investment advice. Users should verify market data independently and consult a SEBI-registered advisor before making financial decisions. ⚠️ Disclaimer: This tool is for educational and informational purposes only. It is not investment advice. Users should verify market data independently and consult a SEBI-registered advisor before making financial decisions.