Expiry Intent

weekly expiry

India's weekly index options expire more often than you think.

Nifty, BankNifty, FinNifty, MidcapNifty, and Sensex all have separate weekly expiry days. Knowing which expires when — and how to read the session — is the starting point for every expiry-day trade.

What you'll get here

Weekly expiry schedule for all major Indian index options
How time decay, strike pressure, and OI shift near expiry
Live tools to track positioning during the session

How traders use this

Three things most traders want to understand before moving into live tools or placing a trade.

Multiple indices, multiple expiry days

In India, each index options contract has its own weekly expiry day — Nifty on Thursday, BankNifty on Wednesday, FinNifty on Tuesday, MidcapNifty on Monday, and Sensex on Friday. Knowing this prevents the common mistake of using data from one series to plan a trade in another.

What changes as expiry gets closer

Time decay (theta) accelerates sharply in the final 24 hours before expiry. Strike-level open interest concentrates around the most-traded levels. PCR can shift quickly as traders close or roll positions, making live chain context more useful than a static view.

How QuantFlo fits into an expiry session

QuantFlo shows live OI, PCR, max pain, and strike pressure in one place. During a weekly expiry session, this lets you see whether the market is getting pinned, expanding, or shifting before you decide whether to stay neutral or position for movement.

What you can do next inside QuantFlo

These are the core workflows most visitors use after landing on this page.

Track time-sensitive market structure

Weekly expiry is where time decay, strike pressure, and fast shifts in positioning become much more visible in the session.

Connect expiry to strategy selection

Once you can see how the market is behaving, it becomes easier to compare which strategies fit the session instead of treating every day the same.

Use weekly expiry as a hub

This page works as the bridge between broader expiry research, instrument-specific pages, and specific strategy workflows.

When this page is most useful

These are common situations where traders move from reading this guide into live planning, chain analysis, or the full terminal.

You want to understand how weekly expiry changes strike behavior and time-decay pressure.
You are comparing whether the session supports a neutral, movement-based, or spread-style setup.
You want a broader expiry page before drilling down into Nifty, Bank Nifty, or strategy-specific content.

QuantFlo Interface

QuantFlo desktop trading interface

Key facts at a glance

Nifty 50

Every Thursday

NSE — weekly series

Bank Nifty

Every Wednesday

NSE — weekly series

FinNifty

Every Tuesday

NSE — weekly series

MidcapNifty

Every Monday

NSE — weekly series

Sensex

Every Friday

BSE — weekly series

Frequently asked questions

Which day does Nifty expire every week?

Nifty 50 weekly options expire every Thursday. If Thursday is a market holiday, the expiry shifts to the previous trading day.

What is the weekly expiry schedule for Indian index options?

As of current NSE/BSE schedules: Nifty 50 expires every Thursday, Bank Nifty every Wednesday, FinNifty every Tuesday, MidcapNifty every Monday, and Sensex (BSE) every Friday.

Why do option premiums fall so fast near expiry?

Time decay (theta) accelerates as an option approaches expiry. In the final day of a weekly series, OTM options can lose most of their premium rapidly, which is why expiry sessions tend to be more volatile for short-premium traders.

QuantFlo is an educational analytics platform. These pages explain workflows and tools, not investment advice or trade recommendations.