Volatility & Macro

Implied and realised volatility, the vol complex, and the scheduled events that move it.

91 articles in this section of the Journal, grouped by topic. Every one is free to read.

Volatility 30

Contango & BackwardationContango is when longer-dated futures cost more than near-dated (the normal state); backwardation is the reverse.
Expansion & ContractionMarkets alternate between low-volatility contraction (tight, quiet ranges) and high-volatility expansion (big, fast moves).
IV Rank vs. IV PercentileIV rank and IV percentile put current implied volatility in context of its own history, so you know whether options are actually cheap or expensive right…
RVX: The Russell 2000 Volatility IndexRVX is the Russell 2000 Volatility Index — the VIX for small-caps. It usually runs above the VIX because small-caps are more volatile, which is…
Realized vs Implied VolatilityRealized volatility is how much price actually moved; implied volatility is how much the market expects it to move. Here is the difference, the gap between them.
Straddle Pricing as a Catalyst Forecast: Reading the Market's BetThe price of an at-the-money straddle is the market's direct forecast of how big a move it expects
The IV Ramp Into a Catalyst: How Expected Move Widens Before FOMCAhead of a known catalyst like FOMC or CPI, implied volatility ramps up and the expected move widens — the market pricing in potential for a big reaction.
The Monthly VIX Futures Roll: How It Pressures VolatilityVIX ETPs must continuously roll their futures positions, and in the usual contango that roll creates persistent selling pressure on VIX futures.
The Post-Event IV Crush on SPY OptionsThe moment a catalyst passes, the implied volatility that ramped into it collapses — the 'IV crush.' It can turn a correct directional call into a losing…
The VIX Fear Spike Fade: Why Panic Often Marks the LowWhen the VIX spikes violently on a selloff, that peak fear frequently coincides with a short-term SPY bottom.
The VVIX, ExplainedThe VVIX measures the expected volatility of the VIX itself — how jumpy fear is. Here is what it reveals beyond the VIX, and why a rising VVIX can warn of.
The Volatility SmileThe volatility smile is the U-shaped curve of implied volatility across strikes — showing the market prices tail risk into far out-of-the-money options.
Trading VolatilityYou can trade volatility directly — betting on how much the market moves, not which way — through options structures and volatility products.
VIX Above 30: How a High-Volatility Regime Redraws the MapWhen the VIX pushes above 30, the market enters a high-volatility regime — wider ranges, faster moves, and a dealer map that shifts quickly.
VIX Term Structure, ExplainedThe VIX term structure shows expected volatility across different time horizons. Here is what contango and backwardation mean, and why the shape is a read on market.
VIX Under 13: The Complacency Regime and Its Hidden RisksA VIX under 13 signals extreme calm — tight ranges, small moves, and cheap options. But low volatility carries hidden risks: complacency, crowded…
VVIX: Volatility-of-Volatility as an Early-Warning TellThe VVIX measures the volatility of the VIX itself — how much traders are paying for VIX options.
VXN: The Nasdaq-100 Volatility IndexVXN is the Nasdaq-100 Volatility Index — the VIX for QQQ. It usually runs above the VIX because tech is more volatile, which makes it the right…
Volatility RegimesMarkets alternate between low-volatility and high-volatility regimes that behave completely differently.
Volatility Risk PremiumThe volatility risk premium is the tendency for implied volatility to run higher than realized volatility, so option sellers get paid for insuring…
Volatility Skew, ExplainedVolatility skew is the reason out-of-the-money puts usually carry higher implied volatility than calls. Here is what drives it, what the skew shape tells you, and.
What Is Implied Volatility (and IV Crush)?Implied volatility is the market's expected move, priced into every option. Here's what IV means, why the same option can be cheap or expensive, how IV…
What Is Vol of Vol? The Volatility of VolatilityVol of vol is the volatility of volatility itself — how much the VIX (or implied volatility) is expected to move. Tracked via the VVIX, it can warn of instability.
What Is the VIX?The VIX measures the market's expectation of near-term volatility, priced from S&P 500 options. Here is what it actually tells you, what it does not, and why a low.
When VIX and SPY Rise Together: The Warning Sign, ExplainedNormally the VIX falls when SPY rises. When they climb together, that inverse relationship has broken
Why Volatility ClustersVolatility clusters — big moves tend to follow big moves and quiet follows quiet — because fear, deleveraging, and dealer hedging feed on themselves.
The Rule of 16: Turning the VIX Into a Daily MoveDivide the VIX by 16 for a rough one-day move. Where the number comes from, and the three ways the shortcut misleads.
Short-Dated Versus 30-Day Implied VolatilityThe VIX looks thirty days out. A same-day option looks to the close. Why they disagree, and what each one is for.
Low Index Volatility, High Single-Stock VolatilityStocks that swing in different directions cancel inside an index. The calm lasts as long as they keep disagreeing.
A Flat Close After a Wide Day: Two Ways to Measure Realized VolatilityClose-to-close volatility calls a round-trip day quiet. A range-based measure sees the swing. Which one fits your holding period.

Macro 32

Credit Spreads as a Tell: What HYG Says About SPYThe bond market often sees stress before stocks do. Watching high-yield credit — via HYG and credit spreads
Earnings Superweek: How Big-Tech Reports Reshape SPY's MapA few times each quarter, several mega-cap giants report earnings in the same week — 'superweek.' Their after-hours moves can gap SPY repeatedly and…
Geopolitical Shock Gaps: Trading SPY After a Weekend EventA geopolitical event over a weekend or overnight can gap SPY hard at the next open, with no chance to react in between.
Gold, Yields and SPY: Reading the Risk-Off RotationWhen markets turn risk-off, capital rotates in recognizable ways — often into gold and Treasuries and out of stocks.
Government Shutdown Risk and SPY VolatilityGovernment shutdowns generate headlines and uncertainty, but their direct market impact is often smaller than the drama suggests.
Jackson Hole Week: Trading SPY Around the Fed's Big SpeechThe Jackson Hole symposium turns a late-August Friday morning into a market-moving event, often in an otherwise thin, low-volume week.
Monday Effect: Does the Weekend Actually Change SPY's Behavior?The 'Monday effect' claims stocks behave differently at the start of the week — historically weaker, and shaped by a weekend of accumulated news.
NFP Fridays: How the Jobs Number Reshapes the Opening RangeThe monthly jobs report lands at 8:30am on the first Friday, gapping SPY before the open and setting up an unusually decisive opening range.
NVDA Earnings Night: Why One Stock Now Moves the Whole SPY MapNVIDIA has become so large and so central to the AI trade that its quarterly earnings can move the entire SPY map single-handedly.
Oil Shocks and SPY: How Crude Spikes Move Risk SentimentA sudden spike in crude oil can ripple into SPY through inflation fears, consumer-spending worries, and risk-off sentiment.
Ranking the Economic Calendar: Which Prints Actually Move SPYNot all economic data is created equal — a few releases reliably move SPY, many barely register.
Sell in May and Go Away: Does SPY Seasonality Survive Scrutiny?'Sell in May and go away' claims the November–April stretch outperforms May–October. There's real data behind it — and real reasons not to trade on it.
Tariff Headlines and SPY: Trading Around Trade-Policy ShocksTrade-policy and tariff headlines can hit SPY suddenly and hard, driving risk-off moves and sharp reversals on a single news line.
The 10-Year Yield Tell: How Rate Moves Hit SPY IntradayThe 10-year Treasury yield is one of the most important intraday tells for SPY — sharp moves in rates routinely push stocks, especially rate-sensitive…
The 1pm Treasury Auction: How Bond Sales Move Afternoon SPYTreasury auctions often settle around 1pm ET, and a weak or strong result can jolt yields — and SPY — in the early afternoon.
The 2pm-to-2:30pm Fed Whipsaw: Why the Presser Undoes the StatementOn FOMC days SPY often moves one way on the 2pm statement, then violently reverses when Powell speaks at 2:30.
The 8:30am CPI Print: How the Overnight Gamma Map Gets RepricedCPI drops at 8:30am, an hour before the cash open — long enough for the entire overnight gamma map to reprice before you can trade it.
The Debt-Ceiling Standoff: How It Warps the SPY MapDebt-ceiling standoffs inject a slow-burn tail risk into markets — usually resolved, occasionally terrifying.
The Fed Blackout Period: What It Does to Volatility and the MapIn the ~10 days before an FOMC meeting, Fed officials go silent — the 'blackout period.' With no Fedspeak to react to, the market often drifts calmly…
The Powell Testimony Days: Trading SPY Around Congressional Q&ATwice a year the Fed chair testifies to Congress, and the unscripted Q&A can move SPY on an offhand remark.
The Santa Claus Rally: What the Seasonal Pattern Means for SPY OptionsThe 'Santa Claus rally' is the historical tendency for SPY to drift higher over the last five trading days of the year and first two of January.
The Summer Doldrums: Trading SPY in Low-Volume July and AugustMid-summer brings the 'doldrums' — thin volume, compressed ranges, and drifting tape as institutional desks empty out.
Trading SPY 0DTE on an FOMC Day: How the Dealer Map Changes at 2pmOn FOMC days the SPY dealer map goes quiet before 2pm, then gets violently repriced at the decision.
When Yields Spike: How Rate Shocks Reshape SPY's Dealer MapA sudden, sharp jump in Treasury yields can trigger a fast SPY selloff and reshape the dealer map in minutes.
Why September Is Historically SPY's Weakest MonthSeptember has the worst average historical return of any calendar month for U.S. stocks
Good Data, Bad Reaction: When Strong Numbers Sink StocksWhether strong data lifts or sinks the index depends on what the market fears. How to tell which regime you are in.
What Priced In Means for a Rate DecisionRate futures carry the market’s expectation for each meeting. Why a fully expected decision moves little, and where the surprise lives.
The Two-Year Yield: The Bond Market’s Read on the FedThe maturity that tracks the expected policy path most closely, and what its move on a data release tells an index trader.
Bull and Bear Steepeners: Which End of the Curve Is MovingA curve can steepen because short yields fall or because long yields rise. The two cases tell different stories for the index.
When Bonds Stop Hedging StocksBonds cushion stocks when growth is the fear and fall with them when inflation is. Reading which one is in force.
When the Bond Market Is Closed and Stocks Are OpenA full stock session with no Treasury market: what goes missing, and why a quiet tape that day says little.
When Small Caps Diverge From Large CapsWhy IWM and SPY split: different companies, different debt, different sensitivity to rates. And what the split does to each map.

Catalysts 29

CPI & the Market, ExplainedThe CPI report measures inflation and can swing the market hard because it shapes what the Fed does next.
Consumer Sentiment IndexesConsumer sentiment and confidence surveys gauge how optimistic households feel — a soft, forward-looking read on spending.
Earnings SeasonFour times a year, companies report results in a concentrated wave — earnings season — spiking single-stock volatility and shaping the whole market's…
FOMC Days, ExplainedFOMC meetings set interest-rate policy and routinely move the whole market in minutes. Here is why they matter so much, how the tape behaves around them, and why.
GDP & the MarketGDP measures the total output of the economy — the broadest growth gauge. Here is why markets react to it less than to faster data, and when a GDP surprise actually.
ISM & PMI, ExplainedISM and PMI surveys gauge whether the manufacturing and services economy is expanding or contracting, with 50 as the dividing line. Here is how to read them and why.
Jobless Claims, ExplainedWeekly jobless claims are a high-frequency read on the labor market that can move markets, especially near turning points. Here is what they measure and why the.
PCE, ExplainedPCE is the inflation measure the Federal Reserve watches most closely - often more than CPI. Here is what it is, why the Fed prefers it, and why the market pays.
PPI ExplainedPPI measures inflation at the wholesale level — what producers get paid — and often previews where consumer prices (CPI) are heading.
QT & QE, ExplainedBeyond rates, the Fed moves markets by expanding (QE) or shrinking (QT) its balance sheet — changing the amount of liquidity in the system.
The Dollar Index (DXY)The DXY tracks the US dollar against a basket of major currencies. A strong or weak dollar ripples through stocks, commodities, and earnings
The Fed Dot PlotThe dot plot is the Fed's chart of where each official thinks interest rates are headed. Here is how to read it, why the market obsesses over it, and why it's a.
The Jobs Report, ExplainedNon-farm payrolls (NFP) is the monthly employment report that routinely moves markets at 8:30 AM on the first Friday. Here is why it matters and how the tape reacts.
The Retail Sales ReportRetail sales measure consumer spending — the engine of the US economy. Here is why the monthly report matters, what the 'control group' is, and how a surprise moves.
Trading Around EarningsEarnings releases are binary events that inflate option prices beforehand and crush them after.
Trading the Economic CalendarScheduled data like CPI, the Fed decision, and jobs reports move markets on a known clock. Here is why these catalysts matter, how volatility behaves around them.
Treasury AuctionsThe US Treasury regularly auctions bonds to fund the government, and the demand at those auctions moves yields, which ripple into stocks. Here is how they work and.
Triple Witching, ExplainedTriple witching is the quarterly expiration of stock options, index options, and futures at once - a high-volume, high-volatility event. Here is why OpEx days.
Yield Curve InversionThe yield curve plots interest rates across maturities; when short rates exceed long rates, it 'inverts' — a historically reliable recession warning. Here is what.
A Percentile Is Meaningless Without Its WindowRealised volatility in the ninetieth percentile is not a fact until you say ninetieth of what.
The Surprise, Not the Number: Data Moves Against the EstimateThe market trades the gap between the print and the estimate. How the estimate forms, and why the same number can land two ways.
Data Revisions: The Number You Traded Gets Changed LaterFirst prints are estimates on partial data. Which releases get revised, and why a revision can outweigh the new headline.
The Day Before a Major Release Versus the Day OfThe eve of a release tends to be quiet while implied volatility holds firm. What changes when the number is out.
An Event That Does Not Move the MarketA print that matches the estimate can leave the index flat. The options still reprice, and that repricing is the event.
Which Expiry Holds the EventAn event’s premium lands in the first expiry after it and thins out in the ones behind. How to read the step in the curve.
The Fed Minutes: A Meeting You Already Traded, Three Weeks LaterA detailed account of a decision the market already knows, released at 2pm three weeks on. What it can still change.
The 10am Releases: Data That Lands After the OpenData at 10am lands in a live cash session with options quoting and the opening range half formed. What changes.
Two Catalysts in One Week: How the Premium SplitsTwo events in one week share the premium, and the first result changes the price of the second.
Liquidity in the Seconds Around a ReleaseBefore a number, depth is pulled and option quotes go wide. What that does to the first prints, to stops and to market orders.