Strota data hub

Every dataset on Strota, with a stable URL, an update cadence and a citation format. Built for journalists, analysts, researchers and anyone who needs an Indian market number they can defend.

Definitions of every field, the source of every source, and what the data cannot tell you: methodology. How to credit a figure: citation page.

Institutional flow

FII / DII cash and derivatives positioning

Participant-wise positioning across FII, DII, proprietary and client in index futures, index options, stock futures and stock options, alongside the cash-market net flow for the session.

Cadence: end of session · Pages: /fii-dii-data, /fii-positioning · Related: cash vs derivatives, long-short ratio

FII / DII streaks

Consecutive-session buy and sell streaks by participant class, read directly off the daily series. The quotable version of "how long has this been going on".

Cadence: end of session · Page: /fii-flow-streaks

Derivatives and open interest

F&O open-interest buildup

Every F&O stock classified each session as long buildup, short buildup, long unwinding or short covering, from price change against open-interest change.

Cadence: end of session · Pages: /oi-buildup · Daily lists: long buildup, short buildup, short covering, long unwinding

Option chains

Open interest, change in open interest, implied volatility, put-call ratio and max pain by strike for the index expiries we track.

Cadence: intraday, minute refresh · Pages: NIFTY, BANK NIFTY, FINNIFTY · Explained: how to read an option chain

F&O ban list

Stocks in the exchange ban period, with the position limits that put them there.

Cadence: intraday · Page: /fno-ban-list

Deals, delivery and ownership

Bulk and block deals

Large trades disclosed by the exchanges, with named counterparties where the disclosure names them, and the buy/sell side for the session.

Cadence: after the session · Pages: /bulk-deals, deals concentrated on the buy side

Delivery behaviour

Delivered quantity and delivery percentage by stock, including sessions where delivery runs well above that stock's own trailing average.

Cadence: end of session · Pages: delivery spike stocks

Insider and promoter filings

Disclosures under the insider-trading and takeover regulations, with the named filer and the direction of the trade.

Cadence: as filed · Page: insider and promoter buying

Market-wide and sector

Session archive

Every trading session has its own dated permalink, so a number stays citable after the homepage has moved on. Format: https://strota.in/<YYYY-MM-DD>, for example /2026-09-29.

Cadence: end of session · Index: sitemap.xml

Sector flow, heatmap and macro references

Sector-level aggregates, an NSE heatmap of the session, and macro references (India VIX, crude, USDINR, gold, global indices) with their source named on the page.

Cadence: intraday · Pages: /sector-flow, /nse-heatmap, /commodities

Screen results

Roughly thirty daily-refreshed lists, each on a stable URL, from volume shockers and 52-week highs to Darvas box breakouts and Minervini trend-template names.

Cadence: end of session · Hub: /screens

Machine-readable access

Need a cut of the data that is not exposed here (a longer history, a custom universe, a CSV for a specific window)? Ask. We publish charts, tables and screenshots under the terms on the citation page.