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Options, read like a desk

Guides that explain one thing properly, and a daily read after the close built from the live chain, open interest, expected move, premium percentile, the gold engine and FII/DII. New every trading day at 18:30 IST; week ahead every Sunday.

Guides

SPOT 23,420CALL WALLPUT WALLMAX PAIN 23,400CALL OI ▲PUT OI ▼PCR 1.06
guide · option chain · open interestHow to read an option chain in five minutes: OI, PCR, max pain and wallsThe four numbers on a NIFTY or BANKNIFTY option chain that tell you where the market is leaning, where it is likely to stall, and where it will hurt the most people at expiry.
−2σ−1σSPOT+1σ+2σEXPECTED DAY MOVE = SPOT × IV × √(1/252)ATM STRADDLE ≈ 0.8σ68% of days close inside ±1σ · sellers earn herebuyers need the tails
guide · expected move · straddleExpected move: what the ATM straddle is telling you before you tradeThe at-the-money straddle is the market's own price for the move to expiry. Here is how to turn it into a daily range, and how to tell when the day is running hotter than expected.
TODAY · 84th PERCENTILEATM STRADDLE % OF SPOT · SAME DTE, LAST 20 CYCLESgold = median09:1511:4513:4515:30
guide · implied volatility · iv percentileIV percentile: is the premium rich or cheap today?A 180-point straddle means nothing on its own. Compare it with the same clock time on the last twenty expiry cycles and you know whether you are being paid to sell.
PRICE ▲ OI ▲LONG BUILD-UPfresh buyingPRICE ▼ OI ▲SHORT BUILD-UPfresh writingPRICE ▲ OI ▼SHORT COVERINGwriters squeezedPRICE ▼ OI ▼LONG UNWINDINGbuyers give up
guide · open interest · oi build-upOI build-up explained: long build-up, short build-up, short covering and long unwindingPrice and open interest move in four combinations, and each one means something different for calls and for puts. The four tags, and how to read them near the money.
HLHLHHHLHHHLHHLLLHBOS ↑BOS ↑CHoCH ↓ — trend flipsUPTREND: HIGHER HIGHS, HIGHER LOWSREVERSAL
guide · market structure · smart moneyMarket structure for option traders: break of structure and change of characterTrend is a sequence of swing highs and lows. Two events, BOS and CHoCH, tell you whether the sequence is continuing or has just flipped, and they are the backbone of every smart-money read.
ORDER BLOCK — last red candle before the breakFAIR VALUE GAP — three-candle imbalanceBOS
guide · order block · fair value gapOrder blocks and fair value gaps: where the big orders sit on a NIFTY chartThe two zones smart-money traders wait for, how they are defined precisely enough to code, and how to trade a return to them with options.
EQUAL HIGHS = RESTING BUY STOPSSWEEP ×wick through, close back belowTRAPPED BREAKOUT LONGS FUEL THE DROP
guide · liquidity · equal highsLiquidity sweeps: why the stop hunt is the signal, not the noiseEqual highs and equal lows are where the market keeps everyone's stops. A wick through them that closes back inside is one of the cleanest reversal signals on any timeframe.
OPTION VALUE vs DAYS TO EXPIRY (THETA)30 daysexpirylast 2 daysGAMMA BY STRIKE: 30 DAYS OUT (dashed) vs EXPIRY DAYATMOTMITMtheta earned = gamma owed
guide · greeks · thetaThe Greeks a seller actually watches: theta, vega and gamma on expiry dayYou do not need all five Greeks to sell options well. You need to know how three of them behave in the last two days of an expiry, and what they cost when they turn.
✓ADX < 20no trend✓BB WIDTH 15–60th pctcalm, not coiled✓PRICE MID-RANGE30–70% of range✓STRADDLE > 60th pctpremium rich✕REALISED < 80% EXPECTEDquiet tape4 of 5 → SELL PREMIUM, SIZE DOWN · 5 of 5 → FULL SIZE · TREND → STAND ASIDE
guide · option selling · regimeWhen to sell premium and when to stand aside: a regime checklistMost losses from option selling come from selling on the wrong day, not at the wrong strike. Five checks that separate a selling day from a stand-aside day.
▲ BUY▼ SELL▲ BUY▼ SELLXAU/USD · 1D · NINE SYSTEMS + SMART-MONEY STRUCTURE → ONE CALLnon-repainting
guide · gold · xauusdGold for Indian traders: XAU/USD, MCX and how a gold engine reads the chartGold trades around the clock and rarely respects Indian market hours. What moves it, which chart to watch, and how a rules-based engine turns nine systems into one call.
EMA 9EMA 21SESSION VWAPLONG only above VWAP · SHORT only below▲ LONG× EXIT▲ LONG
guide · scalping · vwapScalping index options with VWAP and Supertrend: a fast trend playbookA one-to-fifteen-minute playbook for BANKNIFTY and NIFTY options: who is in control (VWAP), which way (EMA 9/21), where the stop goes (Supertrend), and when not to trade (ADX).
GAMMA FLIP◀ NEGATIVE GAMMA · dealers chase movesPOSITIVE GAMMA · dealers pin ▶
guide · gex · gamma exposureDealer gamma (GEX): why the market pins on some days and chases on othersOption dealers hedge what they sell you. Whether that hedging dampens or amplifies moves depends on one number, and it explains most expiry-day behaviour.

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Finostat publishes market data and technical reads for education and research. Nothing here is investment advice or a recommendation to buy or sell any security; Finostat is not a SEBI-registered investment adviser. Trade at your own risk.