Track the Closing Auction Indicative Price

To follow the index during the closing auction, open the Indicative price page for NIFTY, BANKNIFTY or SENSEX: it charts the exchange's indicative index once per second from the first print until the close. The Straddle chart sits beside it, so you can read the ATM straddle premium against the auction level while the normal index is frozen from 3:15 PM.

Tools	Indicative price, Straddle chart
Instruments	NIFTY and BANKNIFTY (NSE), SENSEX (BSE)
When it updates	Each second from the first print (about 3:20 PM on NSE, 3:15 PM on BSE) until the close; the close is held to 3:40 PM
Open it	Nifty, Bank Nifty, Sensex (open without signing in)

Steps

1. Open quintalmind.com/nifty-indicative-price, or the Bank Nifty or Sensex page. It opens without signing in.
2. Keep the two-chart layout on so the indicative pane is visible on the right.
3. From 3:15 PM, check the spot card: it shows Indicative under the index with a CAS tag, and the spot and futures tiles are dimmed while the index is frozen.
4. From the first print, read the indicative line against the frozen 3:15 PM spot and the straddle premium on the left.
5. Watch for the line to go flat: that is the official close.
6. Use Compare session to pick a past date and draw that day's straddle and auction side by side.
7. Scroll to Recent closing auctions for the first print, low, high, close and range of each recorded session.

What to look at

• Frozen spot, live options. The continuous index freezes at its 3:15 PM value, while index options keep trading until 3:40 PM. The straddle is priced against a frozen spot while the indicative is still moving.
• The indicative is not the close. It moves with every order added or pulled. Order entry closes at a random moment between about 3:28 and 3:30 PM, and the official close is struck once from the matched result.
• Expiry day. The settlement price of an expiring index contract comes from the auction close.
• Outside the window. The pane holds the most recent recorded auction, dated on its legend chip, and switches to today's prints when the first one arrives.
• Downloadable data. Recent-auction data is also published as Markdown and JSON, for example /nifty-indicative-price.json.

Related

• Indicative price: what the Closing Auction Session is and how the page works.
• Straddle chart: the straddle pane on its own.
• Gift Nifty: the overnight Nifty futures level after the close.

FAQ

How can I track the Nifty indicative price during the closing auction?

Open quintalmind.com/nifty-indicative-price. It charts the NSE indicative Nifty at one print per second during the Closing Auction Session, beside the live ATM straddle, and it opens without signing in.

Is the indicative price the Nifty closing price?

No. It is the level the index would close at if the auction ended now, and it moves with every order added or pulled. The official close is struck once from the matched result, and the chart line goes flat at that close.

Can I see past closing auctions?

Yes. The Recent closing auctions table lists the first print, low, high, close and range of each recorded session, and Compare session draws any past day's auction beside that day's straddle.