Position Sizing in Stock Market | Ek Hi Cheez Jo Trader Ko Bana Ya Bigaad Deti Hai
By Team Agora Circle
Written by the Agora Circle editorial team. Educational content, explained for the Indian market. Not investment advice.
Published 5 Aug 2026
If someone handed you a strategy with a 65 percent win rate and a 1 to 3 risk reward ratio, would profits be guaranteed? The answer this video gives is no, because position sizing comes before strategy and is the mathematical filter most retail traders never actually calculate. Entry is the engine, position sizing is the brake, and a fast car without brakes is not a strategy. The video teaches the sizing framework across all three instruments, cash equity, futures and option buying, and reduces it to four inputs: account size, risk percentage, stop loss and quantity, with quantity always calculated last. It works through real numbers throughout: a 10 lakh rupee account risking 1 percent puts 10,000 rupees at risk, and a 20 rupee stop turns that into 500 shares. For futures it shows the same account allowing four lots on a 20 point stop, two on a 40 point stop and one on a 60 point stop, which is the point that professionals change quantity to fit the risk rather than changing risk to fit the quantity. For option buying it covers the error of treating the whole premium as the risk, where a 100 rupee premium with a 70 rupee stop is really 1,950 rupees per lot. It closes on volatility based sizing with ATR, where higher volatility means smaller quantity, and on a risk ladder that moves through 0.25, 0.50 and 1 percent as an edge is proven. Retail thinks margin decides risk. The video's position is that the stop loss decides risk, and that sizing is what buys survival.
Key takeaways
- A strategy with a 65 percent win rate and a 1 to 3 risk reward ratio still guarantees nothing, because position sizing sits in front of every strategy rather than after it.
- Entry is the engine and position sizing is the brake. The video's framing is that a fast car without brakes is not a strategy, it is an accident waiting for a date.
- Only four inputs matter: account size, risk percentage, stop loss and quantity. Quantity is always the last thing calculated, never the first.
- Worked through with real numbers for cash equity: a 10 lakh rupee account risking 1 percent is 10,000 rupees at risk, and a 20 rupee stop gives 500 shares.
- For futures, professionals change the quantity to fit the risk rather than changing the risk to fit the quantity. On a 20 lakh rupee account at 1 percent, a 20 point stop allows four lots, a 40 point stop allows two, and a 60 point stop allows one.
- In option buying, treating the whole premium as the risk is what quietly shrinks the position. With a 100 rupee premium and a 70 rupee stop the real risk per lot is 1,950 rupees, which allows roughly four lots instead of one.
- Volatility based sizing using ATR means higher volatility leads to smaller quantity, and the risk per trade moves through 0.25, 0.50 and 1 percent as an edge is actually proven.
- The closing distinction is that retail believes margin decides risk, while professionals treat the stop loss as the thing that decides risk.
Watch the full discussion
Frequently asked questions
Why is position sizing more important than the strategy itself?
The video's argument is that position sizing is a mathematical filter that sits in front of every strategy. Even a 65 percent win rate with a 1 to 3 risk reward can lose money if the size on each trade is wrong, because the strategy decides how often you are right and the size decides whether being wrong is survivable.
What are the four inputs the video says actually matter?
Account size, risk percentage, stop loss and quantity. The order matters as much as the list: quantity is derived from the other three and is calculated last, rather than being picked first and then justified.
What is the sizing mistake specific to option buying?
Treating the total premium paid as the amount at risk. The video works an example where a 100 rupee premium with a 70 rupee stop puts roughly 1,950 rupees at risk per lot, so sizing against the stop allows about four lots where sizing against the full premium would allow barely one.
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.