StrikeMap: The 300-Symbol Scanner

StrikeMap is the strikes × expirations matrix for 300+ tickers. Instead of staring at one index, you search any name and read its gamma structure — where dealer positioning concentrates, strike by strike, expiry by expiry — in a single grid. It's a Pro feature.

Open the 🗺️ StrikeMap tab, type a symbol, press GO.
Rows are strikes; columns are expirations. A 👑 marks the strongest strike in each column.
Brighter cells = heavier relative concentration for that column. Dim cells are the quiet background.
Toggle GEX (price sensitivity) vs VEX (volatility sensitivity), and set the Range and Strikes shown.
A 0DTE Implied Move banner shows the expected same-day move for the symbol you're viewing.
Coverage: core index symbols refresh every 60 seconds; the wider universe refreshes hourly.

The StrikeMap tab for SPX: a grid of strike prices down the rows and six expiration columns across the top, with the 0DTE column header tinted red. Cells are shaded yellow for positive-gamma strikes and purple for negative-gamma strikes, crown icons mark the strongest strike in each column, and a 0DTE Implied Move badge reading plus or minus $38.45 sits above the grid next to the GEX/VEX toggle and color legend. — The full StrikeMap grid for SPX. Rows are strikes, columns are expirations (0DTE first, in red); brighter yellow or purple cells mark the heavier levels, and the 👑 crowns the strongest strike in each column. The GEX/VEX toggle, legend, and Range/Strikes selectors live in the toolbar up top.

Everything below is educational context for reading structure, not financial advice. StrikeMap shows you where positioning sits; what you do with that is your call.

Walk through a symbol

Open the 🗺️ StrikeMap tab. If you see a 🔒 on the tab, StrikeMap is Pro-only on your plan — see Common questions below.
Click the Symbol box and start typing. An autocomplete list appears; use the arrow keys and Enter, or click a ticker.
Press GO (or Enter). The grid loads for that symbol.
Read the grid: each row is a strike, each column is an expiration. The 0DTE column header is tinted red and reads 0DTE; other columns show their date and days-to-expiry.
Find the 👑 crowns. One sits in each column, on that column's strongest strike — the level most worth watching for that expiry.
Read the color. For each column, brighter cells carry the heaviest relative concentration; mid and low cells fade toward the neutral tone so only the genuine walls stand out. Yellow leans positive gamma (a mean-reverting tape), purple leans negative gamma (a momentum tape).

Note Color intensity is relative within each column — every expiration is scaled to its own peak so its structure is legible. Don't compare a cell's brightness in one column against a cell in another as if they shared a scale. And treat the values as relative magnitude: bigger number, stronger level. There are no units to read into them.

The 0DTE Implied Move banner

Above the grid, the 0DTE Implied Move banner shows the market's expected same-day range for the symbol you're viewing — an ±$ figure and a percent, drawn from the at-the-money straddle (labeled ATM straddle @ <strike>). It's the quick answer to "how far is this name expected to travel today?" Click any strike row for its contract detail.

Controls

Control	What it does	When to use it
Symbol + GO	Search any covered ticker with autocomplete, then load its matrix.	Every time you switch names.
GEX	Gamma exposure — sensitivity to price changes. The default metric.	Reading walls, magnets, and the gamma regime.
VEX	Vanna exposure — sensitivity to volatility changes. Swaps the grid to the volatility lens; the legend relabels to +VEX / −VEX.	When you care how positioning reacts to a shift in implied volatility, not just price.
Range	Which expirations the grid includes: 0-45 DTE, 0-7 DTE (default), or 0-21 DTE.	Tighter for the near-term picture; wider to see structure building out in time.
Strikes	How many strikes to show around spot: ±8, ±20, ±40 (default), ±60, or All.	Fewer for a tight zoom around price; All to see far walls.
? Guide	Opens the color guide — the same legend key used across the app.	Any time a color or crown isn't obvious.

Tip Start on GEX with ±40 and the default 0-7 DTE range to see the near-term walls around price. Widen to 0-45 DTE when you want to see whether structure is stacking at the same strikes across future expiries — a strike that's a wall in column after column is a level with staying power.

Coverage & freshness

StrikeMap spans the index complex, mega-cap names, and sector ETFs — 300+ tickers. Core 0DTE index symbols refresh every 60 seconds during market hours; the full universe across all symbols refreshes hourly. The symbol info line beneath the search box confirms what you're looking at — symbol, metric, spot, expirations, strikes — and when data is delayed or the market is closed, a banner above the grid states the last-update time so you're never reading stale numbers as live ones.

Warning A wider-universe name is refreshed hourly, not by the second. During a fast session, a single stock's grid can lag the tape between refreshes. Check the freshness banner and the info line's timestamp before you lean on a number — and for the fastest read, stay on the core index symbols. See Data Freshness & the As-Of Clock.

Common questions

The StrikeMap tab shows a 🔒. How do I get in?: StrikeMap is a Pro feature. Opening it on a lower tier shows the StrikeMap — Pro Only upgrade panel with the Pro plan at $249/mo and Annual at $1,990/yr. Upgrade and the tab unlocks. See Plans & Billing.
I searched a ticker and it's not there. Can I add it?: Yes. Type the ticker; if we don't cover it yet, the dropdown shows No StrikeMap for <TICKER> yet. with a + Request <TICKER> button. Click it and you'll get a confirmation that the symbol will be live within 48 hours. Coverage also adjusts automatically over time to keep data quality high, so an occasional gap is expected.
Why does one column look brighter than the one next to it?: Each column is scaled to its own peak so its structure is readable, and cells below a column's top few dim to the background. So brightness tells you where a strike ranks within that expiration, not across expirations. Read down a column, then compare crowns across columns.
What's the difference between GEX and VEX here?: GEX is gamma exposure — sensitivity to price changes, the default read for walls and regime. VEX is vanna exposure — sensitivity to volatility changes. Same grid, same strikes and columns; VEX just asks a different question of the positioning.

Wall Panels & MomentumTurn the strongest levels into a live watch: walls, the flip, and momentum around them. What Is Gamma Exposure (GEX) and Why Day Traders Need ItThe foundation behind every number on the map. Gamma Walls: Why Price Bounces Off Certain LevelsWhat the crowned strikes represent and how they act as support and resistance.