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TheFinBaba Blog

Guides on Algo Trading, Python & Stock Market

Practical, expert-written guides on algorithmic trading with Python, Demat accounts, F&O strategies, taxation, and everything else Indian traders care about.

TRADING STRATEGY
F&O

When to Book Profit in Options

Why winning option positions so often turn into losses, and exit rules for bought options, sold options and spreads: profit levels, time exits and trailing rules.

Atul Shrivastava Sep 26, 2026 7 min read
TRADING STRATEGY
F&O

Trading With Borrowed Money

Margin funding, loans against securities, gold loans and cards. What each actually is, why the obligation is fixed while the outcome is not, and when it unwinds.

Atul Shrivastava Sep 22, 2026 7 min read
TRADING STRATEGY
F&O

The F&O Ban Period

When a stock crosses its position limit, only reducing positions is allowed. What triggers it, what you can and cannot do, and the penalty for getting it wrong.

Atul Shrivastava Sep 21, 2026 7 min read
TRADING STRATEGY
F&O

The Collar Strategy

Own the shares, buy a put below, sell a call option above. What the collar protects, what it gives up, and the Indian details that change how it works.

Atul Shrivastava Sep 18, 2026 7 min read
TRADING STRATEGY
F&O

Put-Call Parity

The relationship linking a put and a call at the same strike and expiry, what it explains on the option chain, and why it is rarely a free lunch.

Atul Shrivastava Sep 17, 2026 7 min read
TRADING STRATEGY
F&O

Position Sizing for Options

Margin tells you what a position blocks, not what it can cost. How to size against a defined worst case, and what to do when one lot is already too large.

Atul Shrivastava Sep 16, 2026 7 min read
TRADING STRATEGY
F&O

Strike Selection in Options

In the money, at the money, out of the money - what changes as you move across the chain, and why the cheapest option is rarely the cheapest decision.

Atul Shrivastava Sep 15, 2026 7 min read
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