Live open interest analytics

Read the market's open interest before you trade

Live OI momentum, option chain, futures, straddle/strangle premiums and an AI-grounded daily read — for NIFTY, SENSEX, stock options and futures, in one clean, distraction-free workflow.

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Free 3-minute daily preview Cancel anytime Secure payments via Razorpay
OIData trending oi showing the price action analysis, sentiment and oi data
Refreshes ~every 30 seconds

Live data

Refreshes about every 30 seconds through market hours.

Actionable signals

OI shifts, PCR, sentiment and key support/resistance levels.

Multi-market

Index options, stock options and futures in one place.

Distraction-free

Fast, clean UI built for quick reads — no clutter.

Professional tools, one simple plan

A complete open-interest suite — everything you need for fast, data-driven decisions.

OIData Dashboard showing GIFT NIFTY implied open verdict and an overnight news sentiment read
Dashboard

Start your day with an AI-grounded market read

A twice-daily, AI-assisted read of the market — GIFT NIFTY implied open, an overnight news digest and a bullish/bearish headline breakdown so you walk in prepared.

  • GIFT NIFTY implied next open with a clear verdict
  • Overnight news sentiment, scored and summarised
  • Bullish vs bearish headline split at a glance
Try it free
OIData Market Mood Index fear and greed gauge in the greed zone with change vs NIFTY and two-year history chart
Market Mood

Know the street's fear & greed in one number

A 0–100 Market Mood Index built from seven market internals — FII index-futures positioning, India VIX, option skew, Nifty momentum, market breadth, 52-week strength and gold demand — updated live during the session.

  • Four zones with clear contrarian guidance
  • Change vs NIFTY since yesterday, last week and last month
  • Two years of MMI-vs-NIFTY history with extreme-zone markers
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OIData Trending OI table with Call and Put OI change, PCR, direction and day high/low breaks
Trending OI

Track live open interest momentum

See how Call and Put OI shift across strikes in real time, with direction, net PCR, sentiment and automatic day high/low break alerts.

  • Call vs Put OI change across selected strikes
  • Direction, net PCR and sentiment per interval
  • Day high/low break signals as they happen
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OIData Option Chain with max pain, support and resistance, PCR and OI interpretation
Option Chain

A compact, decision-ready option chain

Strike-wise Calls and Puts with OI, OI change, IV, volume and PCR — plus max pain, support/resistance, built-in long/short build-up interpretation, and a Replay mode that rewinds any recorded session minute by minute.

  • Max pain, support and resistance highlighted
  • Long/short build-up interpretation per strike
  • Replay mode — scrub any session minute by minute
Try it free
OIData straddle and strangle premium chart with underlying spot and combined OI overlay
Straddles & Strangles

Watch premium move on straddles & strangles

Track ATM straddle and custom strangle premium through the day against the underlying spot and combined OI — ideal for premium-selling and decay strategies.

  • ATM auto-detection with straddle and strangle modes
  • Premium plotted live against the underlying spot
  • Combined CE + PE open interest overlay
Try it free

And more, included

Futures OI and OI Stats round out the suite — Market Activity and Holidays are free for everyone.

OIData Futures OI interval table with OI churn, level breaks and OI interpretation

Futures OI

Intraday interval buckets with OI churn, level breaks and long/short build-up interpretation.

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OIData OI Stats bar chart of Call and Put open interest by strike with a time slider

OI Stats

Visual Call/Put OI at every strike with an intraday time-slider replay and OI-change overlay.

View stats
OIData institutional activity table for FII and DII across cash and F&O segments

Market Activity Free

FII, DII, Pro and Client positioning across cash and F&O — daily, weekly, monthly and yearly.

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OIData market holidays 2026 calendar with closed and open exchanges

Market Holidays Free

NSE & NFO holiday calendar with closed/open exchanges and session details.

View calendar

Up and running in three steps

No setup, no broker integration — just sign in and analyze.

Step 1

Create a free account

Sign in with Google in seconds. Every new account gets a free daily preview of all live tools.

Step 2

Choose your view

Pick an index or stock, the expiry, time interval and the strikes you want to track.

Step 3

Read the signals

Watch live OI changes, PCR, sentiment and day high/low breaks — then make your call.

Simple, transparent pricing

Start free. Upgrade only when you're ready.

Free

₹0/month

3-minute daily preview of every tool, plus unlimited Market Activity & Holidays.

Start for free
Most popular

Ultimate

₹89/month

Unlimited access to every tool — Dashboard, Market Mood Index, Trending OI, Option Chain, Futures OI, Straddles & Strangles and OI Stats.

Get Ultimate
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Follow the analysis, live

We break down open interest, market structure and the daily setup on YouTube and Telegram. Come follow along — it's free.

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Frequently asked questions

Everything you need to know before you start.

No. OIData is a ready-to-use analytics tool — just create a free account and start. There is nothing to connect, install or configure.

NIFTY and SENSEX index options, stock options and futures — across Trending OI, Option Chain (live and day-replay views), Futures OI, Straddles & Strangles, OI Stats, the F&O Buildup Screener, FII/DII/Pro/Client market activity, and a Market Mood Index that reads sentiment across the whole Nifty 500.

Yes. Create alert rules (PCR crosses, OI spikes at a strike, max-pain shifts, spot near an OI wall, GIFT pre-open gaps) and get pinged in-app or on Telegram. You can also opt into a pre-open brief and an end-of-day digest by email or Telegram.

Yes. During market hours the data refreshes roughly every 30 seconds, or as soon as new data is available.

A 3-minute daily preview with full access to every live tool, plus unlimited access to Market Activity (FII/DII) and the Market Holidays calendar.

Ultimate is ₹89 per month for unlimited access to all tools. You can cancel anytime from your account.

No. OIData is an open-interest analytics tool, not a SEBI-registered investment adviser. We present data and signals for your own research and do not provide buy or sell recommendations.

Disclaimer: OIData is an independent, third-party analytics tool. It is not a SEBI-registered investment adviser, research analyst, or stockbroker. The data, charts, signals and AI-generated reads presented on this platform are for informational and educational purposes only and do not constitute buy, sell or hold recommendations for any security. Trading in derivatives involves substantial risk and is not suitable for all investors. Users should consult a qualified financial adviser before making any investment decisions. Past performance is not indicative of future results.

Ready to read the open interest?

Start with a free daily preview — no credit card required. Upgrade to Ultimate for ₹89/month whenever you're ready.

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