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WealthOrbit covers Indian markets (NSE, BSE) including stocks, IPOs, mutual funds, and ETFs. It also provides global indices, cryptocurrency data, commodities (gold, silver, oil), and forex rates.

How is NIFTY 50 calculated?

NIFTY 50 uses the Free Float Market Capitalisation Weighted methodology. Each stock's weight is based on its free-float market cap (excluding promoter and locked-in holdings), with a base value of 1000 set on 3 November 1995.

What is the current NIFTY options lot size?

The NIFTY 50 lot size is 25 contracts per lot. So one lot of a ₹100 premium NIFTY option costs ₹2,500. NSE periodically revises lot sizes to keep contract value in line with ₹5-10 lakh guidelines.

When does NIFTY weekly options expire?

NIFTY weekly options expire every Thursday at 3:30 PM IST. If Thursday is a holiday, the expiry shifts to the previous trading day (usually Wednesday). Monthly contracts expire on the last Thursday of the month.

How many companies are in the NIFTY 50?

Exactly 50 companies chosen by NSE Indices Ltd based on free-float market cap, liquidity and trading frequency. The constituents are reviewed semi-annually in March and September, and non-qualifying stocks are replaced.

Which sectors dominate NIFTY 50?

Financial Services (~35%), IT (~13%), Oil & Gas (~12%) and FMCG (~8%) are the largest sector weights. This heavy financial tilt is why NIFTY often moves in sympathy with Bank Nifty on RBI policy days.

What is the largest stock in NIFTY 50 by weight?

Reliance Industries, HDFC Bank, ICICI Bank, Infosys and TCS are typically the top five weights, together accounting for roughly 40% of the index. A sharp move in any of these can swing NIFTY by 50-100 points intraday.

How do I read NIFTY option chain as a beginner?

Start by finding the ATM strike (nearest to spot) highlighted in the middle. Calls (CE) are on the left, Puts (PE) on the right. Look at the Highest Call OI for resistance and Highest Put OI for support.

What is the strike interval for NIFTY options?

NIFTY option strikes are available in 50-point intervals (e.g. 24,300, 24,350, 24,400). This finer granularity compared to Bank Nifty (100-point gaps) makes NIFTY ideal for precise hedging and spread construction.

Can I see NIFTY option chain without login on WealthOrbit?

Yes — the free NIFTY option chain without login is WealthOrbit's core offering. Just open /options/nifty and you get live OI, PCR, max pain, Greeks and India VIX refreshed every 2 minutes. No signup required.

What is a good PCR value for NIFTY?

NIFTY's historical PCR usually ranges between 0.8 and 1.3 . A PCR above 1.3 is typically bullish and below 0.8 is bearish. Extreme readings above 1.8 or below 0.5 often signal overcrowding and possible reversals.

How do I find support from NIFTY put OI?

Look for the strike with the highest Put OI below current spot — that's where put writers have committed money. For example, if NIFTY is at 24,350 and the 24,000 strike has the maximum put OI, 24,000 acts as strong intraday support.

How do I find resistance from NIFTY call OI?

The strike with the highest Call OI above spot is resistance. Call writers defend these levels aggressively. For instance, if 24,500 CE shows the peak call OI, expect NIFTY to face stiff resistance around 24,500.

What does NIFTY max pain tell me on expiry day?

On Thursday expiry, NIFTY tends to magnetise toward its max pain strike because option writers want buyers to suffer maximum loss. If max pain is 24,300 and NIFTY opens at 24,400, expect pressure pulling it lower through the day.

How reliable is max pain theory for NIFTY?

Max pain works well 75-80% of the time on NIFTY expiry days when there's no major news. Strong global cues, RBI announcements or earnings surprises can override max pain. Always combine it with OI buildup and India VIX.

What is PCR-OI vs PCR-volume for NIFTY?

PCR-OI uses total open interest (reflects positional bets), while PCR-volume uses traded volume (reflects intraday sentiment). PCR-OI is more reliable for trend; PCR-volume shows day-traders' bias.

Why does NIFTY OI suddenly spike at certain strikes?

Large OI spikes usually mean institutional positioning — mutual funds hedging portfolios, FIIs rolling positions, or market-makers offsetting delta. These strikes become key S/R levels and often trigger breakout moves if breached.

What is OI buildup and how to interpret it for NIFTY?

Price up + OI up = long buildup (bullish). Price down + OI up = short buildup (bearish). Price up + OI down = short covering . Price down + OI down = long unwinding .

What does NIFTY OI concentration mean?

OI concentration refers to a few strikes holding a disproportionate share of total open interest. High concentration at 24,500 CE means that level will either hold as resistance or, if broken, trigger short covering and a breakout rally.

How does FII activity show up in NIFTY option chain?

FII index options data (published daily by NSE) shows net long/short positions. A sharp rise in FII call longs or put shorts often precedes a NIFTY rally. Check it alongside the option chain for confirmation.

Why does NIFTY gamma explode on expiry day?

Gamma peaks for ATM options as time-to-expiry approaches zero. On Thursday, a 50-point NIFTY move can take an ATM option from ₹20 to ₹70 in minutes because Delta itself is changing rapidly — that's gamma in action.

What is gamma risk in NIFTY options?

Gamma risk is the danger faced by option sellers when NIFTY makes a sharp move on expiry day. A straddle seller can see losses multiply because both Delta and loss-per-point increase simultaneously. Hedge with further OTM wings to cap it.

How much theta does a NIFTY weekly option decay per day?

An ATM NIFTY weekly option typically loses 15-25% of its premium per day in the last 3 days before expiry. On Thursday itself, theta decay accelerates exponentially — a ₹50 ATM option can become ₹5 in two hours.

What is NIFTY IV crush after budget or RBI policy?

IV crush is the sharp drop in implied volatility once a major event passes. NIFTY IV can jump from 12% to 18% before the Union Budget, then collapse back to 12% by noon on budget day — crushing option buyers even if they called the direction right.

Should I buy NIFTY straddles before budget day?

Be cautious — the premium already prices in expected moves. A long straddle only profits if NIFTY moves more than the implied range . IV crush post-event often kills even directionally correct trades. Better to fade volatility via short iron condors after the announcement.

What is typical NIFTY ATM IV?

NIFTY ATM IV usually ranges between 10% and 16% during normal markets. It spikes above 20% during crashes (like March 2020) and drops below 9% in prolonged low-volatility regimes. India VIX tracks this closely.

What delta should I choose for directional NIFTY buys?

For intraday directional trades, a 0.40-0.50 delta (slightly OTM) option gives the best balance of cost and responsiveness. Deep OTM (delta 0.1) is lottery-ticket territory — cheap but rarely pays off.

How does vega affect NIFTY positional trades?

Vega is critical for positional traders. A 1% rise in India VIX can add ₹30-50 to long NIFTY options. Conversely, a VIX crash after events can wipe out vega-heavy positions even if direction is right.

What is rho and does it matter for NIFTY?

Rho measures sensitivity to interest rate changes. For NIFTY weekly options, rho is negligible because expiry is so short. It only matters for far-month monthly options when RBI is expected to change repo rates.

Are NIFTY Greeks live and free on WealthOrbit?

Yes — Delta, Gamma, Theta, Vega and Rho for every NIFTY strike are shown live, completely free, without login. Toggle the Greeks column on the /options/nifty page to see them alongside OI and LTP.

Is NIFTY intraday option buying profitable?

Statistically, intraday option buying has a low win rate (30-35%) but large wins when right. It works best in high-VIX trending markets. In low-VIX sideways markets, theta eats buyers alive. Size positions small.

Should I sell NIFTY options or buy them?

Sellers have a statistical edge (60-70% of NIFTY options expire worthless) but face unlimited risk. Buyers have defined risk but low win rate. If India VIX > 18, consider selling. If VIX < 13, lean toward buying directional plays.

What is a NIFTY iron condor and when to use it?

An iron condor = sell OTM call + sell OTM put + buy further OTM call + buy further OTM put. Profits when NIFTY stays range-bound. Deploy in low-trend, high-IV environments with 1-2 weeks to expiry.

How do I hedge my NIFTY portfolio with options?

Calculate portfolio beta to NIFTY, then buy protective puts with strike around 3-5% below spot. For ₹10 lakh portfolio, roughly 1 lot of ATM NIFTY put (₹24L notional × delta) approximates full hedge. Roll monthly.

What is a NIFTY bull call spread?

Bull Call Spread = buy lower strike CE + sell higher strike CE. For example, buy 24,300 CE and sell 24,500 CE if you're moderately bullish. Limited cost, limited reward, ideal for beginners learning directional trades.

What is a NIFTY bear put spread?

Bear Put Spread = buy higher strike PE + sell lower strike PE. For example, buy 24,400 PE and sell 24,200 PE when expecting a pullback. Defined risk-reward and far safer than naked put buying on expiry day.

Is NIFTY short straddle risky?

Yes — a short straddle has unlimited risk on both sides. A gap-up of 300 points can double the call leg and wipe out two weeks of theta gains. Always convert to an iron fly by buying wings, or use strict SL.

How to trade NIFTY on expiry day?

Thursday strategies: option selling (ATM straddle with wings), scalping OTM options near pivot levels, or fading moves back to max pain. Avoid buying after 1 PM — theta decay is brutal.

What is NIFTY calendar spread?

Calendar spread = sell near-week option + buy far-week option at same strike. Profits from near-week theta decaying faster. Works best in low-vol environments and requires monitoring as IV differentials change.

What is a NIFTY BTST options strategy?

BTST (Buy Today Sell Tomorrow) in NIFTY options involves buying ATM options near close on a strong trend day and squaring off next morning. Works 40-50% of the time but overnight gap risk can erase multiple wins.

How is NIFTY F&O taxed in India?

NIFTY F&O profits are treated as non-speculative business income and taxed at your slab rate. Losses can be set off against any business income and carried forward for 8 years. No STCG/LTCG distinction applies.

What is STT on NIFTY options?

STT on NIFTY options is 0.0625% on premium when sold, and 0.125% on intrinsic value if exercised at expiry. The exercise STT is the infamous "STT trap" that can wipe out ITM option buyers who forget to square off.

What is SPAN margin for NIFTY option selling?

SPAN margin is the exposure margin required by NSE for option sellers. For an ATM NIFTY weekly option, SPAN is roughly ₹80,000-₹1.2 lakh per lot. Hedged positions (spreads) need far less margin.

Is NIFTY LTCG applicable on F&O?

No — LTCG does not apply to NIFTY F&O . All derivatives income is business income regardless of holding period. You can't hold an option for over a year anyway since max expiry is 3 months out.

How are NIFTY options settled at expiry?

NIFTY index options are cash-settled based on the closing spot price on Thursday. ITM options get credited the intrinsic value minus STT; OTM options expire worthless. No physical delivery — unlike single-stock options.

Can I exit a NIFTY option before expiry?

Yes — you can square off any NIFTY option during market hours (9:15 AM – 3:30 PM IST) by taking an opposite position. Most intraday traders exit the same day; positional traders hold until expiry day or a few days before.

Nifty 50 Option Chain

Live Nifty 50 option chain with strike-wise OI, PCR, Max Pain, Greeks (Delta, Gamma, Theta, Vega) and sentiment. Updated every 2 minutes.

Updated Just nowData: WealthOrbit / NSEAuto-refresh: 120s

Spot

23,118.60

17-Sep-2026

ATM

23,100

Lot 50

PCR (OI)

0.900

21 strikes

Max Pain

23,100

0.08% from spot

Total CE OI

9.31 L

Calls

Total PE OI

8.38 L

Puts

SentimentNeutralSupport23,100Resistance23,150

Expiry

CE Δ	CE Γ	CE Θ	CE ν	CE IV	CE LTP	Strike	PE LTP	PE IV	PE ν	PE Θ	PE Γ	PE Δ
0.986	0.0001	-6.17	0.62	14.24	557.38	22,600	38.78	15.24	0.84	-3.11	0.0002	-0.020
0.978	0.0002	-7.11	0.90	14.03	508.46	22,650	39.87	15.03	1.17	-4.27	0.0003	-0.030
0.966	0.0003	-8.34	1.29	13.81	459.55	22,700	40.95	14.81	1.60	-5.73	0.0004	-0.044
0.949	0.0004	-9.90	1.78	13.59	410.63	22,750	42.03	14.59	2.13	-7.50	0.0005	-0.063
0.925	0.0006	-11.82	2.41	13.38	361.71	22,800	43.11	14.38	2.77	-9.60	0.0007	-0.090
0.893	0.0008	-14.02	3.16	13.16	312.79	22,850	44.19	14.16	3.51	-11.90	0.0008	-0.124
0.849	0.0011	-16.42	4.00	12.95	263.87	22,900	45.27	13.95	4.31	-14.33	0.0011	-0.169
0.794	0.0013	-18.76	4.88	12.73	214.95	22,950	46.35	13.73	5.11	-16.63	0.0013	-0.224
0.725	0.0016	-20.81	5.71	12.51	166.03	23,000	47.43	13.51	5.85	-18.57	0.0015	-0.289
0.644	0.0018	-22.23	6.38	12.30	117.12	23,050	48.52	13.30	6.44	-19.89	0.0017	-0.366
0.553	0.0019	-22.69	6.77	12.08	68.20	23,100	49.60	13.08	6.77	-20.28	0.0018	-0.450
0.457	0.0019	-22.47	6.79	12.14	49.32	23,150	80.72	13.14	6.79	-20.08	0.0018	-0.539
0.367	0.0018	-21.39	6.44	12.35	48.24	23,200	129.64	13.35	6.50	-19.09	0.0017	-0.624
0.286	0.0016	-19.45	5.82	12.57	47.16	23,250	178.56	13.57	5.95	-17.28	0.0015	-0.700
0.217	0.0013	-16.93	5.02	12.78	46.08	23,300	227.48	13.78	5.24	-14.88	0.0013	-0.766
0.160	0.0011	-14.21	4.17	13.00	45.00	23,350	276.40	14.00	4.47	-12.20	0.0011	-0.822
0.116	0.0009	-11.52	3.34	13.22	43.91	23,400	325.31	14.22	3.69	-9.48	0.0009	-0.867
0.082	0.0007	-9.05	2.60	13.43	42.83	23,450	374.23	14.43	2.96	-6.89	0.0007	-0.902
0.057	0.0005	-6.93	1.96	13.65	41.75	23,500	423.15	14.65	2.32	-4.59	0.0005	-0.929
0.039	0.0004	-5.18	1.45	13.87	40.67	23,550	472.07	14.87	1.77	-2.61	0.0004	-0.950
0.026	0.0003	-3.78	1.04	14.08	39.59	23,600	520.99	15.08	1.33	-0.96	0.0003	-0.965

Showing 21 strikes for Nifty 50. Toggle between OI View and Greeks above.

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FAQs

NIFTY 50 Option Chain — Frequently Asked Questions

Everything you need to know about free NIFTY 50 F&O data, PCR, Max Pain, Greeks and weekly expiry trading.

50 commonly asked questions

NIFTY 50 is the NSE's flagship benchmark index representing the top 50 large-cap Indian companies across 13 sectors. It covers roughly 66% of the total free-float market capitalisation of listed Indian equities.