What is the FIN NIFTY lot size?

One FIN NIFTY options or futures lot is 60 units, as of 25 Oct 2026.

When does FIN NIFTY expire?

FIN NIFTY has no weekly options listed: its contracts expire monthly, on the last Tuesday of the month. The next expiry is 27 Oct 2026. When the exchange is shut on the usual day, that expiry moves to the trading day before it.

What is the FIN NIFTY freeze quantity?

3,240 units (54 lots). The exchange rejects a single order larger than this, so a bigger position is placed as several orders.

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FIN NIFTY lot size and expiry day

One FIN NIFTY lot is 60 units. FIN NIFTY has no weekly options listed: its contracts expire monthly, on the last Tuesday of the month. Orders larger than the freeze quantity, 3,240 units (54 lots), are rejected and have to be split. As of 25 Oct 2026, from the exchange's contract list.

Lot size

Expiry day

Monthly only

Last Tuesday of the month

Freeze quantity

3,240

54 lots

Strike step

Lot size, expiry and freeze quantity are read from the exchange's contract list, refreshed every six hours; last read 25 Oct 2026. The strike step is DeltaK's own engine configuration.

The FIN NIFTY lot size last changed from 65 to 60, for contracts expiring from 27 Jan 2026 (NSE circular NSE/FAOP/70616 of 3 Oct 2025).

FIN NIFTY chart, futures and option chain positioning

Next FIN NIFTY expiries

Date	Day	Contract
27 Oct 2026	Tuesday	Monthly
23 Nov 2026	Mondaymoved for a holiday	Monthly
29 Dec 2026	Tuesday	Monthly

About FIN NIFTY

NSE's broader financial-services index: banks plus NBFCs, insurers, housing finance and capital-markets companies, a wider sector bet than Bank Nifty alone.

Sitting between NIFTY and BANKNIFTY in composition, FINNIFTY typically sits between them in realized volatility too: narrower than the full 50-stock NIFTY basket, but diluted relative to BANKNIFTY's bank-only concentration by the NBFC, insurance and capital-markets names mixed in.
Open interest and volume here are meaningfully thinner than on NIFTY or BANKNIFTY, which shows up directly as wider bid-ask spreads on far-OTM strikes, a cost to account for on any multi-leg structure, since a wide spread on even one leg can eat into a spread's entire theoretical edge.
Because financial-services names collectively react to the same rate-policy and credit-cycle catalysts as banks, FINNIFTY's wall migration often (not always) tracks BANKNIFTY's own, so cross-check one against the other before treating either signal as fully independent.

Questions

What is the FIN NIFTY lot size?: One FIN NIFTY options or futures lot is 60 units, as of 25 Oct 2026.
When does FIN NIFTY expire?: FIN NIFTY has no weekly options listed: its contracts expire monthly, on the last Tuesday of the month. The next expiry is 27 Oct 2026. When the exchange is shut on the usual day, that expiry moves to the trading day before it.
When did the FIN NIFTY lot size last change?: The FIN NIFTY lot size last changed from 65 to 60, for contracts expiring from 27 Jan 2026 (NSE circular NSE/FAOP/70616 of 3 Oct 2025).
What is the FIN NIFTY freeze quantity?: 3,240 units (54 lots). The exchange rejects a single order larger than this, so a bigger position is placed as several orders.

Other Indian F&O indices

NIFTY 50 lot size BANK NIFTY lot size Nifty Midcap Select (MIDCPNIFTY) lot size BSE Sensex lot size BSE Bankex lot size

SignalsPaper mode

See it read live, not just diagrammed

DeltaK reads Aegis/Zenith wall migration and RRG rotation live across NIFTY, BANKNIFTY, FINNIFTY and MIDCPNIFTY. Sign in and watch it work in Paper mode.

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