The methodology at a glance
Darvas noticed that stocks in strong uptrends advance in a series of steps. A stock runs up, pauses in a range (consolidates), and then either breaks above that range or falls below it. The range is the box. The breakout above the box top is the entry signal. A drop below the box bottom is the exit signal.
Darvas Box Rules
- Only trade stocks making new highs — near or at 52-week highs
- Wait for a box to form — consolidation range defines the ceiling and floor
- Enter when price breaks above the ceiling on increased volume
- Set stop-loss just below the box floor
- Let winners run, trail stops upward to each new box floor
Who is Nicolas Darvas
Nicolas Darvas was a Hungarian-born dancer who became one half of a famous ballroom dance act touring the world in the 1950s. He had no background in finance — just daily stock tables mailed to each tour stop and the ability to send buy/sell orders by telegram.
His early trading was disastrous. He lost money following tips, fundamentals, and broker advice. What changed everything was a simple observation: certain stocks traded within defined price ranges, and when they broke above the top of a range on increased volume, they often went significantly higher.
Key principle: Darvas only targeted stocks that had already proven themselves by reaching new highs. He didn't find bottoms or turnarounds. He targeted strength and let the stop-loss take care of risk.
How Kasauti implements it
Clicking the Darvas button runs a server-side filter: within 10% of 52-week high, price has at least doubled from 52-week low, volume above 100,000 shares, and price above ₹10. This surfaces the universe where Darvas boxes are most likely to produce reliable signals — then the chart modal lets you visually identify the actual box formation and decide whether a breakout is in play.
Kasauti Insight · Nuances for Indian markets
Indian midcap and smallcap stocks produce the cleanest Darvas Box patterns on the NSE because they trade with the kind of step-function price action Darvas originally described. Nifty 50 stocks, being heavily tracked by institutions and foreign investors, tend to show smoother trends with less defined boxes — the patterns are there but harder to trade mechanically.
The practical implication: apply the Darvas filter more aggressively to midcap and smallcap names, and use it as a secondary confirmation (rather than a primary signal) on Nifty 50 stocks. The box structure is also generally tighter in Indian markets — a typical NSE midcap Darvas box might only be 6–10% tall versus 10–15% on US stocks of similar market cap, reflecting India's higher overall volatility and compressed timeframes.