Learn · 28 guides
Read the market the way the tape prints it
Plain-English guides to order flow, open interest, basis, VWAP and gamma on NIFTY, BANK NIFTY and SENSEX. Each one explains what the data shows and what it cannot show. Nothing here is advice.
Order flow & tape
Executed trades, aggression, depth01What is order flow trading?Executed trades, bid-ask aggression and order-book changes on NSE, in plain English.02Tape reading: a beginner's guideWhat time and sales is, and what print size, pace and aggressor side reveal.03Bid-ask imbalance and aggressor printsEvery NSE print as bid-hit or ask-lift, and why executed trades cannot be faked.04What is absorption?Heavy aggressive prints, static price: how passive size soaks up flow.05Market depth: reading the order bookNSE's five levels, stacking versus pulling, and why book plus tape beats either alone.20NIFTY buyers and sellersWho lifted the offer and who hit the bid: three sessions of large option prints by side, one expiry minute, and what the read cannot say.21Closing auction session (CAS)Why candles go silent at 3:15 pm, what the order book still shows, and how far the official close lands from the last trade.25Big prints on NSEWhat large trades show, how to spot a negotiated cross, and what 4,637 of them did in the next 30 minutes.27How institutions trade in IndiaExecution algorithms, block windows, pre-arranged crosses, and what they looked like on the NSE tape.22An order flow app for NSE, plainlyWhat TBTflow shows for Indian F&O at tick resolution, what it costs, what it refuses to do, and who should not buy it.
Futures & open interest
Basis, buildup, the four regimes06Futures premium and discountBasis, cost of carry and fair value on NIFTY and BANK NIFTY futures.07How to read open interestOI versus volume, the four buildup regimes, and the myths that mislead.08Long buildup versus short buildupThe four-quadrant OI-with-price framework for NSE F&O.28BTST stocks on NSEWhat buy-today-sell-tomorrow means, how the closing read is built, and what 3,942 closing reads and our own picks did the next day.24FII and DII dataHow to read the daily numbers, and what 37 sessions show, including how often FII flow matched NIFTY's day.
See it on today's data
Free, from the exchanges' day-end filesTODAY'S DATAFutures OI of every F&O stockOpen interest, rollover and build-up for 215 futures, every evening.TODAY'S DATARollover todayEvery future's rollover against its usual for this point of the cycle.TODAY'S DATAF&O ban list todayStocks in the ban period and for how many sessions.TODAY'S DATAMarket breadth todayAdvances, declines and build-up counts across the F&O stocks.
VWAP
The session's volume-weighted anchorOptions & gamma
Chains, walls, terrain10Option chain analysisStrike-wise OI, OI change, volume and IV as a positioning map.11OI walls as support and resistanceWhy heavy writer OI behaves like a level, and how walls hold, break and migrate.12Gamma exposure explainedWhy hedging builds walls and vacuums, what pin risk means, and what GEX cannot tell you.13Reading gamma terrainWhere price grips, where it slides, and how a pin cracks into a vacuum run.14Gamma blast on expiry day21 expiries measured: how often the ATM option doubles, how often it dies, and the settle walk that drives it.15What is a gamma blast?Meaning, the three ingredients, one measured specimen, and the base rate across 21 expiries.16The gamma blast detectorFour states, five inputs, and its full record on 22 expiry days, misses included.17How our data is builtEvery print, five levels deep, about 420 instruments, the retention rules and the 46-session bar.23Option Greeks explainedDelta, gamma, theta, vega, charm, zomma and colour, with theta measured on NIFTY straddles through the day.18Option sellers in the last 30 minutesThe short ATM straddle on 21 expiries: 10 kept the premium, 11 paid more, and why SENSEX charged the writer on 7 of 10.19An option analytics app for NSE, plainlyWhat TBTflow shows, what it costs, what it refuses to do, and who should not buy it.
See it on today's data
Free, from the exchanges' day-end filesTODAY'S DATANIFTY option chain todayOpen interest by strike, PCR, max pain, walls.TODAY'S DATABANKNIFTY option chain todayOpen interest by strike, PCR, max pain, walls.TODAY'S DATASENSEX option chain todayOpen interest by strike, PCR, max pain, walls.TODAY'S DATANIFTY gamma blast todayWhat the ATM option did in the last 30 minutes of expiry.
The dashboard shows every one of these readings live, tick by tick, on today's tape.
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