Advanced Option Chain

Historical Mode

Symbol

NIFTY

Expiry

Date

Backtest

Live Updates

Chart of NIFTY

How the advanced option chain works

The advanced option chain lays out the option chain's calls and puts strike by strike, like the standard option chain, and adds time-window comparison. Pick a start and end time in a session and it shows how open interest, volume and premiums changed across that window, rather than only the latest snapshot.

What it adds to the standard option chain

Time-window comparison. Drag the replay handles to set a start and end; OI change and volume compare the start of the window with the current frame.
Timeframes from 1 minute (main indices) or 5 minutes up to 1 hour.
ITM / OTM totals for OI, OI change and volume, with max pain and the total PCR.
Strike charts. Click an OI or volume cell to open that strike's history.
Analysis View. A second tab that summarises the strike map, the same-window change and the PCR balance.

A five-step routine

Choose the symbol, expiry and date; use historical mode for a past session.
Set the timeframe and drag the replay window to the period you want to study.
Find the strikes with the largest OI and the largest OI change inside the window.
Read each signal label against IV and the underlying's own move before drawing a conclusion.
Open a strike chart or the straddle view to see how that strike developed, then cross-check on the Analysis View.

Reading the columns

Signal: Long Buildup (LB), Short Buildup (SB), Short Cover (SC) or Long Unwinding (LU), read from the strike's OI change against that option's own price move. Strong or Weak sizes the OI change; it is not a confidence level.
IV / delta: Implied volatility and delta for each option. Switch on Greeks to load them.
OI Chg: Change in open interest, shown as a percentage of the largest change in view alongside the absolute figure. The highest and second-highest strikes are highlighted.
OI and Volume: Open interest and traded volume, as percentages of the largest values in view with absolute figures beneath. Switch between quantity and lots.
LTP / Chg (TV): Last traded price, its change, and the option's time value in brackets (premium minus intrinsic value).
R.Level and S.Level: Strike plus the call's time value, and strike minus the put's time value. Reference levels derived from premiums, shown for context rather than as forecasts.
PCR OI / OIC: Put-call ratio of open interest and of OI change at each strike.
Straddle: Call LTP plus put LTP at the strike. Click it, or the strike, to open the straddle view.

Limits to keep in mind

Open interest counts contracts that each have a buyer and a seller, so it cannot show who initiated a trade or whether a position is a hedge, a spread or directional. Labels and levels describe data, not probabilities. Last traded prices on thinly traded strikes can be stale, which also affects time value and the R and S levels. Only the strikes captured around the spot price are available, so far out-of-the-money strikes may be missing. This is educational information, not a recommendation to buy or sell.

Advanced option chain FAQs

What is the advanced option chain?

The advanced option chain shows an instrument's calls and puts strike by strike, like a standard option chain, but adds time-window comparison. You pick a start and end time in a session and the chain shows how open interest, volume and premiums changed across that window, together with IV, delta, buildup labels, PCR and time-value reference levels for each strike.

How is it different from the standard option chain?

The standard option chain is the quick strike-by-strike view with OI bars, change in OI, IV and optional delta, gamma, theta and vega. The advanced option chain focuses on how OI, volume and premiums changed over a window you choose, and adds ITM/OTM totals, per-strike charts and an Analysis View. Use the standard chain for a fast read and the advanced chain to study how a session developed.

How do I compare OI change between two times?

Switch to historical mode, choose the date and expiry, then drag the two handles on the replay slider to set the window. OI change and volume then compare the start of the window with the current frame, so you can see where positions were added or closed between the two times. Moving the end handle replays the window forward.

What do R.Level and S.Level mean?

R.Level is the strike plus the call's time value, and S.Level is the strike minus the put's time value, where time value is the option's premium minus its intrinsic value. They are reference levels derived from option premiums, shown for context. They are not forecasts, targets or recommendations, and they depend on last traded prices, which can be stale on illiquid strikes.

What do Long Buildup, Short Buildup, Short Cover and Long Unwinding mean?

The labels read a strike's change in OI against the move in that option's own price. OI up with premium up or flat is Long Buildup, OI up with premium down is Short Buildup, OI down with premium up or flat is Short Cover, and OI down with premium down is Long Unwinding. Because every contract has a buyer and a seller, the labels do not show who initiated trades. Strong or Weak describes how large the OI change is, not how likely a move is.

Which timeframes can I use in the advanced option chain?

Replay frames are built from the stored snapshots and can be grouped from 1 minute (main indices) or 5 minutes up to 1 hour. Shorter frames show more detail; longer frames smooth the session. Choose the timeframe in the replay controls.

How often does the advanced option chain refresh?

In live mode the page checks for new data every 20 seconds. Index and commodity snapshots are captured roughly every minute and stock snapshots roughly every five minutes. Historical mode shows a fixed past session.

Advanced option chain with time-window comparison