Meridian: The Earnings Desk and Catalyst Calendar

Thermal and HELIX tell you where dealer structure and flow sit right now. Meridian answers a different question: what's coming, and what happened last time. It's the catalyst calendar and earnings desk — a timeline of upcoming and recent prints with estimate history, reaction data, and the same dealer gamma and flow context Thermal and HELIX read live, pulled onto one event.

The catalyst timeline

The core view is a searchable, filterable timeline spanning a configurable look-ahead window, grouped by month. It's not earnings-only: four catalyst kinds share the same rail — earnings, macro releases, OpEx (options expiration), and FDA decision dates. Filters narrow to All, Macro, Earnings, high-importance prints, FDA, OpEx, your watchlist, or your board. Selecting an event opens a detail panel scoped to its kind — a macro release gets consensus and SPX positioning context, an OpEx date gets a pin-accuracy read, an FDA date gets the decision window and related activity. Earnings is the deepest of the four, with its own five-tab sub-desk.

The earnings desk: five tabs, one event

Open an earnings print and Meridian splits into Summary, Report, Estimates, Positioning, and History. Summary opens by default and auto-switches to Estimates the moment a real print or headline lands, so a session spent watching a name mid-report shows the numbers instead of the pre-print read.

- Summary — the "what now" tab: a call idea and a put idea shown side by side (neither side is hidden, even when one looks weaker), a probability of closing beyond a given level derived from the market's own implied move — labeled a distribution, not a chance of profit — base rates that always carry their sample size, and a countdown to the print. - Report — headlines, the analyst-revision list, insider activity, print history, price targets, and an embedded Largo pre-earnings brief generated from the same live data. - Estimates — EPS and revenue, estimate vs. actual, surprise %, historical beat rate, management guidance range, and a rolling estimate-revision timeline. - Positioning — the dealer structure for that print's own expiry: call wall, put wall, gamma king strike, max pain, and gamma-flip distance, explicitly scoped as event-expiry rather than the whole book, plus a dark-pool print tape and a peer cohort of names reporting the same window. - History — the full beat/miss track record with a reaction flag on every print, plus prior analyst and insider activity.

Reaction, anchored to when it actually printed

A raw same-day price move is a common way to misread an earnings reaction, and it's the one thing Meridian is built to get right: a print that lands before the bell moves on the premarket gap, not the regular session that follows it, and a print that lands after the close moves the next session — the report day's own session is drift before the numbers were public. Meridian classifies each print's timing and anchors its reaction number accordingly, and flags a reaction that spans a closed market as possibly carrying some pre-print drift rather than presenting it as a clean read. A reaction still inside its anchor session is marked as still forming, not settled — the honest version of "too soon to tell" instead of a number that looks final before it is.

The analytics grid: the wide view

Switch off the timeline and Meridian trades depth for breadth: an EPS-vs-revenue surprise scatter across the current window, a clickable print calendar with day drill-down, a filterable prints table, a mega-cap earnings-week grid with a universe-wide beat-rate banner, rolling estimate- and calendar-revision lists, and an after-hours movers feed. It's the same underlying data as the timeline, reshaped for scanning a whole week of prints at once instead of drilling into one.

Cross-tool context, not a second dashboard

The same structural reads Thermal and HELIX serve live get pulled onto the event itself: dealer gamma walls and flip from Thermal, options-flow skew from HELIX, and dark-pool prints — so you're reading one event with full context instead of tabbing between four desks to reconstruct it yourself. Largo can answer most Meridian questions in plain English too, grounded in the same live timeline and event data.

What Meridian won't tell you

Every probability and rate Meridian surfaces travels with its sample size or cohort, and says so when there isn't enough to rank — a thin peer cohort reports as too few to rank rather than a fabricated order. The advisory read on each print (bullish, bearish, neutral, or avoid-directional) comes with an explicit note that it's context, not a trade recommendation. And coverage depends on what the market actually provides for a given name — some enrichment, like valuation ratios, is genuinely rare even on large caps. Where the data isn't there, Meridian says so instead of filling the gap.

How Meridian fits the desk

Thermal gives you the live dealer-gamma heatmap; HELIX gives you the live flow tape; Vector extends both across the whole universe. SPX Slayer and Night Hawk execute same-day setups. Meridian is the calendar that tells you when the next catalyst lands and what the market's own structure looked like going into the last one — and Largo AI can pull any of it into a conversational answer.

New to the underlying concepts? Start with dealer gamma exposure, the gamma flip, call and put walls, and max pain — or the full Options Trading Glossary. Get access →

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