Rajandran R Creator of OpenAlgo - OpenSource Algo Trading framework for Indian Traders. Building GenAI Applications. Telecom Engineer turned Full-time Derivative Trader. Mostly Trading Nifty, Banknifty, High Liquid Stock Derivatives. Trading the Markets Since 2006 onwards. Using Market Profile and Orderflow for more than a decade. Designed and published 100+ open source trading systems on various trading tools. Strongly believe that market understanding and robust trading frameworks are the key to the trading success. Building Algo Platforms, Writing about Markets, Trading System Design, Market Sentiment, Trading Softwares & Trading Nuances since 2007 onwards. Author of Marketcalls.in

Understanding Exogenous Price Action Using Today’s Nifty Market Profile Case Study

2 min read

Let’s talk about Market Profile, because without Market Profile thinking, exogenous price action will always feel confusing.

Most beginners look at news and price and ask, “Why did the market do this?”
A Market Profile trader asks a very different question:
“How did the auction respond to new information?”

That difference is everything.

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What Market Profile Says About Exogenous Moves

In Market Profile, price is not random.
Price is an auction, and value is discovered over time.

An exogenous event is something that comes from outside the normal Market Profile auction process:

  • Budget announcements
  • Tax changes like STT in F&O
  • Trade deals
  • Central bank decisions
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When such news hits, Market Profile rules change temporarily.

The market is not rotating around value anymore.
It is re-pricing value.

This is the first thing a Market Profile beginner must understand.

Nifty Market Profile and Exogenous Event

Market Profile Case Study: Budget Day and STT Increase

On Feb 1, during the special budget session, STT in F&O was increased.

From a Market Profile perspective, this directly affects:

  • Participation
  • Liquidity
  • Cost of doing business

The Market Profile response was immediate:

  • Price dropped sharply
  • Very little time spent at prices
  • Poor structure at the lows
  • No clean excess

This is classic exogenous Market Profile behavior.

The market was not trending.
The market was liquidating weak inventory.

Beginners often misread this as “strong bearish Market Profile.”
In reality, it was an unfinished auction.

Market Profile always tells you this through structure.


The Next Session: Market Profile Repair Phase

The next day, something important happened in the Market Profile.

Price did not continue collapsing.

Instead:

  • Time began accumulating
  • A new value area formed
  • VPOC stabilized
  • Rotation returned

This is what Market Profile traders call repair.

After an exogenous shock, Market Profile teaches us that:

The market must rebuild balance before it can decide direction.

This is why chasing price after news usually fails.


Today’s Session: Market Profile at the Open

Going into today, overnight optimism created long inventory.

From a Market Profile lens:

  • Overnight traders were positioned emotionally
  • Inventory was imbalanced long

At the open:

  • Price opened away from prior value
  • The market tested higher prices
  • There was no acceptance

Market Profile always checks acceptance first.

When acceptance failed, price dropped quickly.

This was not bearish Market Profile activity.
This was inventory correction.

The speed and lack of structure confirm that.


The Most Important Market Profile Moment Was Around 10:30

Many beginners think the open is the most important part of the day.

Market Profile traders know better.

Around 10:30, Market Profile behavior changed:

  • Price stopped extending
  • Overlap appeared
  • TPOs began stacking
  • Rotation developed around a midline

This tells us one thing:
The auction found temporary agreement.

In Market Profile terms:

  • Value was forming
  • Two-sided trade returned
  • Emotional participants were gone

This is where Market Profile becomes actionable.


How Beginners Should Handle Exogenous Days Using Market Profile

If you are new to Market Profile, exogenous days should be handled very differently from normal days.

The correct Market Profile approach is:

  • Observe the open
  • Do not assume trend from speed
  • Wait for inventory correction
  • Watch for acceptance
  • Trade only after balance forms

Market Profile does not reward impatience.
It rewards understanding.


Common Beginner Mistakes Without Market Profile Thinking

Most losses on news days happen because traders:

  • Trade before value forms
  • Confuse liquidation with initiative selling
  • Ignore Market Profile structure
  • Overtrade emotional movement

Market Profile exists to protect you from this.


One Market Profile Mindset That Changes Everything

Market Profile is not about predicting price.
Market Profile is about reading behavior.

Ask Market Profile questions:

  • Is price being accepted?
  • Is value developing?
  • Is the auction complete?

If Market Profile cannot answer these, you should not trade.


Final Market Profile Takeaway

This Nifty case study is a perfect Market Profile lesson:

  • Exogenous news disrupted the auction
  • Market Profile showed forced liquidation
  • Repair came through balance and value building
  • Inventory correction occurred before rotation
  • Real opportunities came after acceptance, not at the open

If you learn to read Market Profile this way,
you stop reacting to news
and start understanding the auction.

That is where consistency begins.

Rajandran R Creator of OpenAlgo - OpenSource Algo Trading framework for Indian Traders. Building GenAI Applications. Telecom Engineer turned Full-time Derivative Trader. Mostly Trading Nifty, Banknifty, High Liquid Stock Derivatives. Trading the Markets Since 2006 onwards. Using Market Profile and Orderflow for more than a decade. Designed and published 100+ open source trading systems on various trading tools. Strongly believe that market understanding and robust trading frameworks are the key to the trading success. Building Algo Platforms, Writing about Markets, Trading System Design, Market Sentiment, Trading Softwares & Trading Nuances since 2007 onwards. Author of Marketcalls.in

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