What is Rollover?
Rollover closes or shifts positions from near-expiry contracts to the next series, avoiding delivery or illiquid last days.
Formula
Rollover Example (Futures): Current Position: Long Feb Nifty Futures at 22,000 Feb Expiry: 5 days away March Futures: Trading at 22,050 Rollover: 1. Sell Feb futures at 22,000 (close) 2. Buy March futures at 22,050 (open) 3. Rollover cost: ₹50 per unit If lot size = 50: Total rollover cost = ₹50 × 50 = ₹2,500 You maintain long exposure but paid ₹2,500 to roll from Feb to March.
Indian market context (NSE)
Reference levels: Nifty 50 at 24,300, Reliance Industries at ₹1,300, Bank Nifty futures at 55,000 (lot size 30). Examples below show how Rollover shows up on Indian index, equity, and futures books — update to live quotes in your journal.
Nifty 50 perspective
Nifty at 24,300: weekly/monthly option chains centre on round strikes (24,000 / 24,500). Rollover on ATM Nifty options shifts quickly into expiry — India VIX and event risk (RBI, budget) reprice premiums independent of spot.
Bank Nifty futures perspective
Bank Nifty futures at 55,000: hedging with options or trading rollover on Bank Nifty weekly contracts — theta and gamma rise sharply into Thursday expiry; futures leg has no time decay but carries overnight gap risk.
How to validate
- Validate Rollover separately for index weeklies vs stock options.
- Stress-test with expiry-week and event-week subsets (RBI, budget, results).
- Confirm margin and tail-loss scenarios are logged for short premium books.
- Discard readings polluted by untagged discretionary adjustments.
How to track in TradeLyser
- Tag every leg: structure, DTE, moneyness, and whether Rollover was a primary driver.
- Log planned max loss ₹ on entry for short premium strategies.
- Weekly: list open short ITM/ATM legs before expiry with a written roll/close rule.
- Separate F&O account tags from cash equity for Rollover statistics.
Best practices
- Size Rollover trades with margin headroom for gaps and assignment.
- Prefer defined-risk structures when learning a new options concept.
- Roll or close based on written DTE rules, not convenience.
- Keep weekly index and monthly stock books in separate tags.
Common pitfalls
- Short premium without defined max loss while Rollover risk builds.
- Holding illiquid stock options into expiry without a plan.
- Blending index and stock gamma exposure in one tag.
- Ignoring margin spikes on gap opens.
How to use this in TradeLyser
Tag rollover trades separately. Compare P&L week of rollover vs normal weeks.
Related terms
Basis is the difference between the futures price and the spot (or fair) price of the same underlying — typically futures minus spot. Positive basis (futures above spot) is common in index futures when financing and dividend expectations embed in pricing.
Contango describes a forward curve where later futures prices are higher than nearer ones — or futures trade above expected spot fair value. Rolling long positions in contango often means buying higher and selling lower across tenors, creating negative roll yield.
A futures contract obligates parties to transact the underlying at settlement per NSE rules, with daily mark-to-market and margin.
Open interest is the number of active derivative contracts not yet closed. Rising OI with rising price often suggests new long initiation; interpretations vary by context.
Slippage is the difference between the price you intended and the price you received. It rises in fast markets and thin books.
FAQ
What is rollover in trading?
Rollover is closing your expiring position and opening the same position in a contract with a later expiration. It lets you maintain exposure without taking delivery or exercise.
When should you roll over?
Roll before expiration—typically 1-2 weeks for options, 2-3 days for futures. Roll earlier if current month becomes illiquid. Avoid last-minute rolls due to wide spreads.
What is rollover cost?
Rollover cost is the price difference between near-month and far-month contracts. In contango, far month costs more (negative roll). In backwardation, far month costs less (positive roll).
How do you roll options?
Sell to close current expiration, buy to open next expiration. Many brokers offer 'roll' as a single trade. Consider strike adjustments while rolling.
What is contango vs backwardation?
Contango: far-month more expensive (common in commodities). Backwardation: far-month cheaper (supply concerns). Contango costs money to roll; backwardation pays you.
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