ScalperSense Why
Why ScalperSense

NSE publishes 273 strikes.
You need one sentence.

Every number here is public — NSE and BSE give it away. The work was never getting the data, it's the arithmetic between the data and a decision: which strikes are walls, where the writers moved, whether today's implied volatility is dear. ScalperSense does that part and writes the answer as a sentence. A server watches the session on its own clock, so the page is already warm when you open it.

What it does

Numbers in, a reading out

3 of them, all session
CE 24600 OI 1.36 Cr Δ -3,965 PE 24600 OI 1.44 Cr Δ +5.06 L PCR 0.92 MAXPAIN 24,600 IV 10.8% STRADDLE 250

Where the option chain is leaning

Six readings computed off the live chain: max pain, the ATM straddle's expected move with both breakevens, PCR, the strikes carrying the most put and call OI, and a buildup verdict that weighs each near-ATM strike's writing and covering into one bullish or bearish call. The five biggest OI walls are numbered right in the table.

Option Chain →
09:15 24,641 vwap 24,638 10:42 24,619 or.lo 24,604 14:09 24,653 vwap 24,633 samples 126/day × 4 indices

Whether there's a trade right now

Today's tape read against VWAP and the opening range for the four NSE indices and BSE's SENSEX and BANKEX. It re-fetches the live chain on every run and answers with entry, stop, target and the index move needed — or says "no trigger, wait", which it does often.

Scalper Pro →
universe ~100 symbols history 400 sessions each built 16:10 IST, after the close breadth 202 adv / 293 dec

What the rest of the market did

A written verdict on the session, with the day drawn on a real clock — first print, high, low, close. Then sector strength, the movers, who was buying, and the results calendar that explains tomorrow's gaps.

Highlights →
What's in it

Twenty places to look

all free · no account
Markets
⛓️Option Chain NIFTY, BANKNIFTY, FINNIFTY and MIDCPNIFTY by strike, with Black-Scholes Greeks, a traded-volume heatmap and the OI walls marked. Refreshes itself every 45 seconds while the market is open. 🏛️BSE Chain The same reading for BSE — SENSEX and BANKEX. 🔥Market Heatmap The whole market as one picture — every sector and its stocks, sized by the money that actually went through them today, coloured by the move. Tap any tile for the full screener. 🌊OI & IV Flow Pick a strike and see its call and put OI, volume and PCR across the whole day, sampled every three minutes. Plus IV rank, and alerts you can set on PCR or an OI surge. 🇺🇸US Markets The overnight tape for the Indian open: S&P 500, Nasdaq and Dow, Magnificent 7, liquid hot names, sector breadth, and a research view on any listed name — chart, stats, headlines. Delayed Nasdaq last-sale, not a live book.
Market Intel
🎯Scorecard Whether any of this was right. Every directional call is written down when it is made and scored against what happened — hits and misses both, with the method printed underneath. ☀️Today's Highlights A written verdict on the day, and the Session Spine — the session drawn on a real clock with the first print, high, low and close pinned where they happened. 🌅Pre-Market The nine o'clock ritual on one screen: GIFT Nifty's implied gap, overnight global indices, commodities and currencies. 📰News Six categories from publisher RSS — markets, India, world, technology, sport, entertainment — with the full article opening beside the list, not in a new tab. 💹FII / DII Provisional FII and DII cash-market net figures, plus participant-wise open interest — who is actually positioned where. 🗓️Events / Results Results, dividends and board meetings from NSE's corporate calendar, filterable down to the stocks you actually hold. 🚀IPO Hub Open, upcoming and recently closed issues with live subscription by category — QIB, NII, retail — and a plain description of what the business does.
Research
📈Stock Screener Ask the whole market a question — 2,700 stocks filtered on RSI, moving averages, delivery spikes, volatility and returns, with five ready-made screens. Then the full breakdown for whichever one you pick. One search over the full NSE list gives both answers at once: the live quote with market depth, and the technical read — delivery, volume, signals, index membership. ⭐Stock Picks Seven views — the NIFTY 50 names the tape is on, live movers and sector strength, plus intraday, short-term, long-term and penny rankings rebuilt after each close. 🏦Mutual Funds Every diversified equity fund in India ranked inside its own SEBI category — on rolling returns, not the single point-to-point CAGR every other site leads with. Direct plans, AMFI's own NAV history, and the scoring method published in full. Each fund opens into a plain-English read, the full quantitative view, and a planner that replays a SIP against real NAVs. 📊ETFs, REITs & InvITs Every ETF on NSE, grouped by what it actually tracks and ranked on what it costs to own — not on returns, because twenty-one funds track the Nifty 50 and all of them return what the Nifty 50 returns. What differs is the gap between price and NAV, how easily it trades, and what it gives up to the index. Two funds were trading 20% above what they hold the day this shipped, and nothing else tells you that. The same page carries every listed REIT and InvIT, with each yield split into the part that is income and the part that is your own capital being handed back — Embassy yields 5.9% and three-quarters of it is the latter. ★Watchlist Your holdings with live prices, running P/L and price alerts. Kept in your browser, not on our server.
Toolkit
⚡Scalper Pro The flagship. Reads today's tape against VWAP and the opening range and commits to one plan — entry, stop, target — or tells you to wait. 🧮Tools Payoff builder with net Greeks, breakevens and probability of profit, stock and F&O journals, the Zero Hero scanner — and a Charges & Tax tab that itemises all eight levies on a trade and sorts your year into the buckets the tax code actually distinguishes. 📋Cheat Sheet The conviction table: what price, OI and volume mean together — long buildup, short covering, unwinding and the rest. 📚Learn 109 terms across ten categories, each with a worked example in rupees. Type / anywhere to search it.

Three things run across all of them rather than living on a page of their own. ScalperSense installs — the sidebar offers it once your browser says it can — and opens full screen, though it will never show you a cached price: market data is fetched or it isn't shown. Today's Highlights, the Market Outlook and the Option Chain each carry an ✨ Explain this page button that puts the numbers already on screen into plain English. And anything worth passing on — the day's verdict, a trade idea — can be shared as an image rather than as a link nobody taps.

How to use it

A day, start to finish

IST · Mon–Fri
08:00 Before the bell

Find out where you're opening

Market Outlook reads the GIFT Nifty gap and overnight global cues. Events tells you which of your stocks report today — the single most common reason a position gaps against you.

09:15 The open

Let the first range form, then look

Scalper Pro needs the opening range before it will commit, and says so rather than inventing a signal. Meanwhile the Option Chain shows where writers are placing their bets for the expiry.

11:00 Mid-session

Watch what's being added, not just the price

OI Flow is the one that rewards patience — a level holding while puts are written into it means something different from the same level holding on thin volume.

15:30 After the close

Read the day back, and set up tomorrow

Highlights summarises the session; FII / DII says who was behind it. Stock Picks rebuilds itself at 16:10 on the day's final closes, so it's waiting for you tomorrow.

What it isn't

The honest part

Not investment advice Nothing here is a recommendation to buy or sell. It is market data with the arithmetic done for you. We are not SEBI-registered, and every decision stays yours.
Not a broker or a terminal You cannot place an order here, and there's nothing to connect. Read the market here, trade at your broker.
Not tick-by-tick Data comes from NSE and BSE's own public feeds and is cached for seconds to minutes depending on the page. Fine for reading structure; wrong for arbitrage.
Not a track record Signals are rules applied to today's data, not results from a tested strategy. F&O is leveraged — most retail participants lose money at it.
A fund rank is not a buy The mutual fund rankings describe how a fund's past record compares with its peers under a method we publish in full. They can't see a manager leaving, a mandate changing, or your own goals and tax position — all of which matter more than a rank.

Start with the chain

No sign-up, no trial, nothing to install. Open it during market hours and it's already warm — the server has been watching since eight.

Open the Option Chain Try Scalper Pro