Agora Circle
The Trading Operating System

Why Your Trading Strategy Stopped Working | It's Not You

By Team Agora Circle

Written by the Agora Circle editorial team. Educational content, explained for the Indian market. Not investment advice.

Published 21 Sept 2026

The question this video starts from is familiar to almost every active trader: why does a strategy that worked last month suddenly stop working? Its answer is that the strategy usually has not broken at all. Every strategy carries a hidden assumption that the market behaviour it exploits will continue for a while, and when that behaviour changes the edge leaves with it. The video frames this as a medical problem. Regime is the diagnosis and strategy is the prescription, and prescribing before diagnosing is how a sound system produces a string of losses. It lays out the four broad stages of a market cycle, accumulation, advancing, distribution and declining, and makes the point that accumulation and distribution can look identical on a chart until the surrounding context is read. From there it moves to the daily decision, which is forming a trend day or range day hypothesis before the open and letting price action confirm or reject it rather than committing to a view in advance. It argues for picking two or three genuinely independent drivers of the market instead of fifteen indicators that repeat one another. Volatility is treated as a sizing input, not background noise. With a fixed 5,000 rupee risk, a 40 point stop allows 125 quantity, while a 100 point stop allows only 50, so a trader who keeps the same quantity after volatility changes has handed their risk to the weather. The worked example that anchors the video is six failed breakouts at 5,000 rupees each, a 30,000 rupee loss that the trader blames on the strategy, when the breakout system was simply built for a trending market and run inside a low volatility range. It also warns against reading one candle against the trend as a reversal, arguing that waiting for a structure break and a failed continuation often costs less than repeatedly catching the wrong top or bottom. The video matches four regimes to four approaches and closes with five questions to ask before every trade. It is the regime step in The Trading Operating System series. Nothing in it recommends a stock, a strategy, a position size or a broker.

Key takeaways

  • A strategy that worked last month and fails this month is usually not broken. The market regime changed, and the edge depended on behaviour that is no longer there.
  • Regime is the diagnosis and strategy is the prescription. Identify the conditions first, then choose the approach that fits them.
  • Markets move through four broad stages: accumulation, advancing, distribution and declining. Accumulation and distribution can look identical on a chart until you read the context around them.
  • Form a trend day or range day hypothesis before the open, then let price action confirm or reject it.
  • Track two or three genuinely independent drivers of the market instead of stacking fifteen indicators that all say the same thing.
  • Volatility should change your quantity. A 5,000 rupee risk with a 40 point stop means 125 quantity, and the same risk with a 100 point stop means only 50.
  • One candle against the trend is not a reversal. Waiting for a structure break and a failed continuation looks expensive, but is often cheaper than repeatedly catching the wrong top or bottom.

Watch the full discussion

Frequently asked questions

Why do six failed breakouts not prove the strategy is bad?

In the video's example, six failed breakouts at 5,000 rupees of risk each add up to a 30,000 rupee loss, and the trader blames the strategy. The breakout system may be fine. It was built for a trending market and was being run inside a low volatility range, so the conditions were the problem, not the rules.

How should position size change when volatility changes?

The rupee risk stays fixed and the quantity moves. If the logical stop widens from 40 points to 100 points, a 5,000 rupee risk drops from 125 quantity to 50. Keeping the same quantity after volatility changes means the market, not the trader, is deciding the risk.

What is a trend day or range day hypothesis?

A working guess, made before the market opens, about whether the session is more likely to trend or to stay in a range. It is not a prediction to defend. Price action after the open either confirms it or tells you to drop it, and the approach follows whichever one the market confirms.

This summary is for educational purposes only and is not financial, investment, or trading advice. Markets carry risk; do your own research and consult a qualified professional before making decisions.

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