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OrderFlow trading is built on precision. To trade it effectively, you need to understand the language—those terms that describe what’s happening inside the bar, between the buyers and the sellers, in real time. This knowledge base brings together the most commonly used concepts in OrderFlow analysis, explained in simple terms with references to our full glossary.
As we expand this knowledge base, it will serve as a hub for deeper learning, linking out to detailed articles, examples, and training modules. Let’s start by laying down the foundation.
OrderFlow
The study of real-time buying and selling activity at each price point. OrderFlow shows who is trading aggressively, how much volume is being transacted, and whether supply or demand is in control. → Read more.
Footprint Chart ( same as Orderflow chart)
A chart that displays traded volume inside each bar, showing how much buying or selling occurred at every price. Footprint charts make market intent visible where candlesticks only show outcomes.
Commitment of Traders (COT)
The measure of buying vs. selling volume in real time inside a bar. COT shows whether aggressive buyers (lifting the offer) or aggressive sellers (hitting the bid) dominate. It’s the building block of our OrderFlow at Vtrender.
10-bar COT
An aggregated view of COT across the last 10 bars, showing how institutional activity has been building or unwinding positions. This helps identify directional intent beyond a single bar.
Initiative Buying (IB)
Aggressive buyers entering at the ask, pushing prices upward. When IB shows up, demand is strong and the market often responds with higher prices.
Initiative Selling (IS)
Aggressive sellers hitting bids, forcing prices lower. IS reflects strong supply and can be the early footprint of a downtrend.
Responsive Buying (RB)
Buyers stepping in after prices have fallen to perceived value areas. RB is defensive in nature and often stabilizes a decline.
Responsive Selling (RS)
Sellers active after a rise, pushing back against higher prices. RS can limit an up move or start a reversal.
Volume Clusters
Areas inside a bar where large amounts of contracts have traded. Clusters highlight institutional positioning and help traders identify key price levels.
Absorption
When heavy volume trades at a price but fails to move the market further. This indicates strong opposing interest—buyers absorbing selling or sellers absorbing buying.
Imbalances
Disproportionate volume on one side of the market. For example, significantly more trades lifting the offer than hitting the bid. Imbalances reveal directional conviction.
Large Lot Traders (LLTs)
Institutions and big players whose trades are visible in OrderFlow. LLTs leave footprints in volume clusters, COT readings, and sudden bursts of activity.
Trifecta
A Vtrender term describing a cluster of buying and selling imbalances that appear together. Trifectas often mark strong decision zones in the market.
Speedo
Our in-house indicator measuring the pace of tape. Speedo shows when markets accelerate with urgency, often before a breakout or breakdown.
Point of Control (POC of Bar)
The price level within a bar where the maximum trades occurred. This highlights short-term value as defined by volume.
Virgin POC (VPOC)
A POC from a previous session that hasn’t been revisited. VPOCs often act as magnets or reversal points in future trading.
Naked POC (NPOC)
Similar to VPOC—an untested POC that remains significant until the market revisits it.
COT of Bar
Shows the net commitment of buyers vs. sellers inside a single bar. It helps determine whether supply or demand was in control during that period.
IS30 / IB30
Initiative Selling or Buying identified on a 30-minute bar. These are strong institutional signals that often shift market bias.
Exhaustion
When aggressive traders push price but volume dries up, signaling the move is running out of energy. Exhaustion frequently precedes reversals.
Absorption Bars
Bars that show strong opposing flow, where sellers meet heavy buying or buyers absorb selling. These can mark hidden accumulation or distribution zones.
Liquidity Sweep
A sharp move through a level where liquidity is consumed quickly. Sweeps often trap traders on the wrong side before the market reverses.
Though OrderFlow is most often applied to futures, we also link it to options markets through specialized tools:
Volume-OI Ratio (VOI)
Tracks the relationship between traded volume and changes in open interest. It helps identify when new positions are being built or old ones closed.
Spectrum
Our proprietary gamma-based range indicator, showing where option writers are likely to defend levels.
NTM Volume Option Charts
Near-the-money volume charts that combine option positioning with OrderFlow.
Learning the vocabulary of OrderFlow is like learning the grammar of a new language. Each term reveals something about the auction process: who is active, how committed they are, and where they are likely to defend or attack.
At Vtrender, we’ve built these concepts into lean, purpose-built charts and a structured mentorship program so traders can stop guessing and start reading the market as it truly unfolds.
👉 For full definitions, examples, and visual explanations, explore our glossary.
Glossary - https://vtrender.com/glossary
OrderFlow is not just about watching numbers—it’s about interpreting the hidden narrative of supply and demand. With terms like IB, IS, COT, absorption, and volume clusters at your disposal, you gain a lens that shows the market in its true form.
This knowledge base will continue to grow, linking to detailed posts, strategies, and examples. Use it as a reference, return to it often, and let it be your foundation for mastering the art of OrderFlow trading.
Markets don't move because indicators change.
Indicators change because markets move.
A practical reference for NSE & BSE derivatives traders. 366 pages, built to sit open beside live charts.