How we built live 20-level depth on Dhan
Most terminals cap at 5 levels. Here's how Dhan's market depth API works and how we surfaced it in the ladder view.
Jun 2025 · 5 min read
Private Beta · LiveNIFTY 5024,832.10▲ 0.84%
BANKNIFTY53,914.55▼ 0.32%
SENSEX81,548.73▲ 0.61%
RELIANCE2,914.20▲ 1.42%
TCS4,128.05▼ 0.18%
HDFCBANK1,672.30▲ 0.94%
INFY1,883.60▼ 0.55%
ICICIBANK1,254.85▲ 1.07%
BTC/INR84,12,000▲ 2.31%
USDINR84.21▼ 0.04%
GOLD76,210▲ 0.73%
CRUDE5,894▼ 1.21%
NIFTY 5024,832.10▲ 0.84%
BANKNIFTY53,914.55▼ 0.32%
SENSEX81,548.73▲ 0.61%
RELIANCE2,914.20▲ 1.42%
TCS4,128.05▼ 0.18%
HDFCBANK1,672.30▲ 0.94%
INFY1,883.60▼ 0.55%
ICICIBANK1,254.85▲ 1.07%
BTC/INR84,12,000▲ 2.31%
USDINR84.21▼ 0.04%
GOLD76,210▲ 0.73%
CRUDE5,894▼ 1.21%
Company · Blog
Insights from the trading desk.
Terminal updates, market structure explainers, options tutorials and the thinking behind Atom Trade — written by traders, for traders.
IV Percentile: the one number options sellers should track
What is IV percentile, how is it calculated from historical data, and why selling options when IV% is above 80 changes your edge.
May 2025 · 7 min read
B and S keys: building a sub-second order ticket
How we designed the hotkey trading system — from the keyboard handler to the order routing logic — and why 180ms matters at market open.
May 2025 · 6 min read
What Atom AI's morning brief actually looks at
A walkthrough of every data source the AI brief ingests — FII/DII data, global futures, news sentiment, key levels — and how the prompt is structured.
Apr 2025 · 8 min read
Understanding PCR and Max Pain for Nifty expiry
How Put-Call Ratio and Max Pain are calculated from live OI data, and how to use them as expiry-day trading signals without overfit.
Apr 2025 · 6 min read
Why we chose TanStack Start for the marketing site
React 19, Vite 8, TanStack Router — the tech stack behind atomtrade.in and why we picked each tool for a performance-first marketing site.
Mar 2025 · 4 min read
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AngelOne
Upstox
Fyers
Groww
Zerodha
Dhan
AngelOne
Upstox
Fyers
Groww
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Dhan
AngelOne
Upstox
Fyers
Groww
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