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Observe what the market is doing.

Interviews, guest columns, research and media coverage from the Vtrender desk — grounded in market structure, participation and evidence.

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Latest coverage

03

CAS turnover on settlement days is a market-structure question.

Shai Coelho of Vtrender speaks to NDTV Profit on why closing-auction activity matters more on expiry — cash orders, derivatives payoff, and what the Copthall–Mansi episode actually shows.

Closing AuctionWeekly OptionsMarket Structure

From the desk

Articles and working notes

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How Markets Changed

Watching charts versus reading markets

Information was never the constraint. The missing skill is still reading structure, participation, and acceptance.

In production

Weekly Options

What weekly options did to the Indian trading day

Compressed time, positioning sensitivity, and expiry behaviour inside a derivatives-led price discovery framework.

In production

Market Structure

Noise versus information: a working filter

Five questions for separating a fast move from a meaningful change in acceptance, value, or participation.

In production

Orderflow

Reading order flow with context

Why order flow numbers mislead as standalone signals, and why the structure around flow is half the information.

In production

AI

AI on the trading desk: what it replaces, and what it can't

A desk that runs both: AI in the workflow, judgment at the decision.

In production

General information

CAS briefings

Background notes circulated to news desks on the Closing Auction Session. These are general information — not a bylined column, and not attributed to any individual.

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Closing Auction Session: a briefing note

Background on how CAS works, what changed at the Indian cash close, and what to watch in the early sessions. Circulated as general information for news desks.

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PDF

CAS through a 0DTE lens

How a closing-auction window meets same-day expiry: settlement, volatility, and the last 15 minutes of the derivatives day. General information, not a bylined column.

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PDF

Cash vs derivatives turnover, FY22–FY26

How cash and derivatives turnover have moved across five financial years — context for why a short cash auction now sits over a much larger derivatives book. General information for news desks.

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Article

The cash close is only part of the change

The Vtrender desk note on NSE CAS methodology, first-week observations, expiry settlement and 0DTE behaviour.

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Shai Coelho, founder of Vtrender

About Shai

Shai Coelho

Founder of Vtrender and author of Power Trading with Market Profile & Orderflow. Shai has applied Market Profile and Orderflow to Indian markets since 2009, with a focus on reading structure rather than predicting price.

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Press contact

Interviews, market structure commentary, speaking requests and advance access to Vtrender research.

press@vtrender.com