Option chain · Strategy builder · Backtesting

The option chain built for option sellers.

Opti5 turns your Zerodha feed into a fast, clear option chain with live Greeks, OI build-up, support and resistance, σ ranges, a strategy builder and minute-by-minute replay, all on your own PC.

● Live, refreshes every secondNIFTY · BANKNIFTY · SENSEX + moreWorks with your Zerodha login

Windows 10 / 11 · No card needed for the trial · Log in with your mobile number

Opti5 live option chain with summary tiles and an intraday NIFTY chart
Everything on one screen

See the whole market at a glance

Every number traders check before taking a position, calculated from the full chain and updated live.

⚡

Live option chain

LTP, OI, change in OI, volume, IV and Delta for every strike, refreshing every second, with ITM shading and the ATM row highlighted.

🏷️

Build-up tags

Fresh Long, Fresh Short, Short Cover and Long Unwinding on every strike. Tap a tag to see what it means.

🎯

Top-3 highlights

The highest OI, change in OI and volume on each side stand out in solid colour, so key strikes are easy to spot.

σ

1σ / 1.5σ / 2σ bands

Expected-move badges on the strike column, worked out from ATM IV and the exact time left to expiry.

🧱

Support & resistance

Highest put and call OI, max pain, PCR and call/put OI totals, calculated over the whole chain.

📈

Tap anything for a chart

Tap a heading for a chart across strikes, a cell for its 1-minute intraday line, or a summary box for NIFTY, VIX, PCR or IV.

💰

Premium check

Rich, Fair or Cheap, from IV vs historical volatility and the India VIX percentile. Shows when selling premium pays better.

🔍

Strike finder & Basis

Pick strikes by delta for strangles and iron condors, and track the futures premium or discount live.

Strategy builder

Build it, stress-test it, then trade it

Pick legs straight from the option chain or start from a template, and see the risk before you place a single order.

  • Straddle, strangle, iron condor, iron fly, spreads, ratios and calendars in one click
  • Payoff graph at expiry and today (T+0), with breakevens and the ±1σ range
  • What-if sliders for days to expiry, IV change and target price
  • Chance of profit, chance of touching each breakeven, max profit and loss
  • Net Delta, Gamma, Theta (₹ per day) and Vega for the whole position
Strategy builder with option chain, legs and payoff graph
Replay & backtest

Test your strategy on real past data

Opti5 saves the full chain every minute. Go back to any saved moment and watch your strategy play out.

  • Pick any saved day and time from a calendar
  • Step −1d, SOD, −1h, −15m … +15m, +1h, EOD, +1d
  • Autoplay by 1 min, 5 min, 15 min, 1 hour or 1 day at a time
  • Fill missed days from Zerodha, several at once
Replaying a saved day in the strategy builder
Charts

Intraday charts for everything

Spot as a line or as 1, 3, 5 or 15-minute candles, plus OI change, PCR, straddle, ATM IV, India VIX with selling zones and any single strike.

  • Drag, resize and save your own chart layout
  • Hover one chart and every chart shows the same minute
  • Spot vs futures basis through the day
NIFTY 1-minute candlestick chart in Opti5
On your phone too

Check the chain from the sofa

Turn on phone access and open Opti5 on any phone on your home Wi-Fi, protected by a password. The layout is made for small screens.

  • Compact chain with OI, change in OI and LTP
  • Swipeable summary boxes
  • Light and dark themes, adjustable text size
Opti5 on a phone
Getting started

Up and running in five minutes

No installation wizard, no Python to set up. Everything is inside the zip.

Sign up

Log in on this website with your mobile number and OTP. Your free trial starts straight away.

Download

Download the zip from My account and extract it, for example to your Desktop.

Start

Double-click Login. Your browser opens Opti5 by itself. Connect your own Zerodha account.

Sign in

Sign in to the app with the same mobile number. Buy a plan any time before the trial ends.

Pricing

Simple plans, every feature included

Try every feature free for days. Then pick a plan and pay securely by UPI, card or net banking, on this website or inside the app.

🎁 Free -day trial. Log in with your mobile number and download. No card needed. When the trial ends, the app locks until you choose a plan.

FAQ

Questions, answered

Do I need a Zerodha account?

Yes. Opti5 shows live data from your own Zerodha (Kite) account. You log in with your own Zerodha details, and they are stored only on your computer.

Which computers does it run on?

Windows 10 and 11 (64-bit). It runs in your normal web browser (Chrome or Edge recommended) and needs an internet connection. You can also view it on a phone on the same Wi-Fi.

Does Opti5 place trades?

No. Opti5 is an analysis tool. It never places, modifies or cancels orders. You trade on your broker's own platform.

Which indices are supported?

NIFTY, BANKNIFTY, FINNIFTY, MIDCPNIFTY, SENSEX and BANKEX, with every listed expiry.

How does the free trial work?

Log in on this website with your mobile number and the OTP sent to you, download Opti5 from My account, and every feature is unlocked for days. No card is needed. One free trial per mobile number.

How do I buy a plan?

On My account (on this website or inside the app), choose a plan and pay by UPI (Google Pay, PhonePe, Paytm and others), debit or credit card, or net banking through Razorpay. Your plan is active as soon as the payment is confirmed, usually straight away.

What happens when my plan ends?

The app locks itself until you buy or renew a plan. Your settings and saved market history stay on your PC. Renew from My account on this website or inside the app; renewing early adds the new days on top of your current plan.

Can I use one plan on two computers?

Your plan is linked to your mobile number, so you can sign in on your own computers. Please don't share your account with other people.

Is Opti5 investment advice?

No. Opti5 shows calculations and data to help you analyse the market. It doesn't tell you what to buy or sell, and we are not SEBI-registered advisers. See the Disclaimer.

What if I need help?

Email or call (). There's also a built-in How to use guide in the app's ☰ menu.

Try Opti5 free for days

Log in, download, connect your Zerodha account and see the whole chain the way option sellers need it.

⤓ Start free trial