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Index & Underlying

Midcap Nifty

NSE's 50-stock midcap benchmark with Monday-expiry weekly options — offering exposure to India's high-growth mid-tier companies via a single liquid derivative.

Definition

Midcap Nifty, formally known as the Nifty Midcap Select Index (ticker symbol MIDCPNIFTY on NSE), is a free-float market-capitalisation weighted index of 50 midcap stocks selected from the Nifty Midcap 150 universe based on average daily turnover and open interest criteria to ensure derivative viability. It is maintained by NSE Indices Limited and rebalanced semi-annually. The index serves as the underlying for a cash-settled weekly and monthly futures and options contract, with weekly expiry falling on Mondays — unique among NSE's main index contracts. The lot size is 75 units.

Why it matters

Midcap stocks in India historically show higher beta to broad market sentiment than large-caps — they rally harder in risk-on rallies and sell off more sharply in corrections. The Midcap Nifty contract lets traders express directional or volatility views on this segment without building individual stock positions, which carry idiosyncratic earnings and corporate action risk. The Monday expiry was a deliberate design choice by NSE to fill the gap in the weekly options calendar: Nifty expires Thursday, Bank Nifty Wednesday, Fin Nifty Tuesday, and Sensex/Bankex on Fridays (BSE). Midcap Nifty's Monday slot means an experienced options trader can now run a different expiry on every trading day of the week. Because midcap stocks have wider intraday ranges than Nifty large-caps, implied volatility on Midcap Nifty options tends to be structurally higher, making premium collection strategies attractive — though the higher underlying volatility also means wider spreads and tighter risk management discipline is required. SEBI's peak-margin framework applies, and NSE imposes freeze quantity limits on large orders per session.

How it works

Midcap Nifty is computed on a real-time basis during NSE market hours (9:15 AM – 3:30 PM IST) using live prices of its 50 constituents weighted by free-float adjusted market cap, subject to a single-stock cap at each rebalance to prevent concentration. Futures trade in current, near, and far month contracts. Options are European-style and cash-settled. The final settlement price for weekly options is the volume-weighted average of the index over the last 30 minutes of the expiry session on Monday. The tick size is 0.05 index points. Margin requirements are set by NSE's clearing corporation using the SPAN methodology, with an additional exposure margin to cover gap risk.

Example

Say Midcap Nifty is hypothetically quoting near 12,500 on a Friday. A trader expects the index to remain rangebound through the following Monday and sells a 12,700 CE and a 12,300 PE — a short strangle — collecting a combined hypothetical premium of ₹80. With a lot size of 75, this translates to a credit of ₹6,000. The maximum profit is the full ₹6,000 if the index stays between 12,300 and 12,700 by Monday's close. Losses beyond that range are theoretically large, so the trader sets stop-loss orders at defined index levels. All figures are entirely illustrative and not investment advice.

Monitor Midcap Nifty OI and strikes live

TradePulse shows real-time open interest, PCR, and Greeks for Midcap Nifty's Monday expiry across all strikes.

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