Need feedback: Dhan API for expired F&O data (1-min, 2 years)

Algos, strategies, code
1

I’m planning to take the Dhan Data API (~₹500/month) mainly to fetch expired F&O contracts (NSE) with 1-minute OHLCV .

My goal is to download ~2 years of data and use it for backtesting.

Before subscribing, I wanted to check with people who have actually used it:

  • How is the data quality ? (missing candles, gaps, incorrect values?)
  • Is the data reliable for backtesting strategies ?
  • Any major issues with ATM-based strike system ?
  • How painful is it to download large datasets (rate limits, loops, etc.) ?

I’m okay with doing some preprocessing, just want to know if it’s usable in practice.

Would really appreciate honest feedback from anyone who has tried this.

Thanks!

2

I think you wouldn’t be able to deduce the strike of which you are fetching the data because the data would be label like ATM , ATM + - 1 I guess

3

that should not be issue, my only concern is data quality (should not be missing candles etc)

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