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GEX Heatmap Data API
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Schema
Updated on 2026-09-23
Details
Filter operations
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Standard GEX chain-level aggregate history (keyset pagination, newest first)
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Dealer GEX (0DTE) latest read-model snapshot projection
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Dealer GEX (0DTE) 5-minute public history (three NYSE sessions, newest first)
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Dealer Heatmap latest completed 5-minute signed Top-node snapshot
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Dealer Heatmap expiration Top-node 5-minute history (three NYSE sessions, newest first)
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Filtered Flow aggregate history; defaults to order aggregates with premium_usd at least 10000 and limit 25. ET dates use YYYY-MM-DD.
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Resolve one OCC contract symbol into its normalized contract identity and current activity. ET dates use YYYY-MM-DD.
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Option-contract directory for one required expiration, paged up to 200 contracts. ET dates use YYYY-MM-DD.
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Ticker option sentiment and five ranked contract boards. ET dates use YYYY-MM-DD.
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Ticker Flow summary and ranked contracts over one or seven trading sessions. ET dates use YYYY-MM-DD.
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Ticker Flow contract-day chain, paged at up to 100 rows. ET dates use YYYY-MM-DD.
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Intraday contract or net-premium bars for one option contract, paged at up to 100 rows. ET dates use YYYY-MM-DD.
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Flow aggregates for one contract in an exact five-minute bucket, paged at up to 25 rows; truncated reports the source 200-row ceiling. ET dates use YYYY-MM-DD.
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Up to 30 trading sessions of contract-day Flow history. ET dates use YYYY-MM-DD.
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Intraday call and put premium bars for a product ticker. ET dates use YYYY-MM-DD.
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Bounded ticker bucket view: both cohort summaries, one cohort top-contract page, or one cohort trade page; truncated preserves the selected source cohort ceiling. ET dates use YYYY-MM-DD.
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Congress disclosures filed past the statutory deadline (daily disclosure cadence)
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Roster of congress members with disclosed trades (daily disclosure cadence)
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Latest disclosed congress member trades (daily disclosure cadence)
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Disclosed trades for a single congress member (on-demand materialization)
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Most recent dark pool prints for one ticker (on-demand materialization)
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Recent dark pool prints across the whole market
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Off-exchange vs lit share volume by price level for one ticker (on-demand materialization)
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Quarterly and annual balance sheets for a single ticker (on-demand materialization)
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Quarterly and annual cash flow statements for a single ticker (on-demand materialization)
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Market-wide after-hours earnings calendar for the latest reporting session
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Forward analyst revenue and EPS estimates for a single ticker (on-demand materialization)
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Reported EPS history for a single ticker (on-demand materialization)
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Market-wide premarket earnings calendar for the latest reporting session
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All four financial statement blocks for a single ticker (on-demand materialization)
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SEC filing-level fundamentals and XBRL revenue breakdown for a single ticker (on-demand materialization)
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Quarterly and annual income statements for a single ticker (on-demand materialization)
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Earnings-event price behaviour and straddle backtest for a single ticker (on-demand materialization)
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Per-disclosure-day insider buy/sell counts and notionals for a single ticker (on-demand materialization)
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Insider transactions for a single ticker (on-demand materialization)
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Market-wide per-disclosure-day insider buy/sell counts and notionals
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Daily aggregated insider flow for one sector (on-demand materialization)
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Daily aggregated insider flow for a single ticker (on-demand materialization)
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Market-wide latest insider (Form 4) transactions
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Position changes reported by one institution in its latest 13F (on-demand materialization)
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Latest reported 13F holdings for one institution (on-demand materialization)
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Directory of 13F filing institutions ranked by portfolio value
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Most recent institutional filings across the market
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Institutional holders of one ticker from 13F filings (on-demand materialization)
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Sector allocation of one institution across recent 13F report periods (on-demand materialization)
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Whole-window return statistics across a ticker set (on-demand materialization)
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Commodity price / index time series (on-demand materialization)
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US macro indicator time series (on-demand materialization)
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Daily / weekly / monthly FX bars for a currency pair (on-demand materialization)
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Intraday FX bars for a currency pair (on-demand materialization)
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Current FX spot rate for a currency pair (on-demand materialization)
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Pairwise return correlations across a ticker set (on-demand materialization)
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Upcoming US economic calendar (forward-looking listing)
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Upcoming FDA / clinical catalyst calendar (forward-looking listing)
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Upcoming US IPO calendar (forward-looking listing)
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Market movers snapshot (most active / top gainers / top losers)
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Market-wide top open-interest changes across all optionable underlyings
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Today option-volume Top 150 with open-interest changes
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Market-wide total options volume and premium per trading day
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ATM option chain pair for one ticker and one expiry (on-demand materialization)
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Historical chain Greeks + IV + daily OI for one ticker + expiration + right (on-demand materialization)
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Historical chain NBBO series for one ticker + expiration + right (on-demand materialization)
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Option chain snapshot for one ticker + expiration (on-demand materialization)
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Daily EOD series for a single option contract (on-demand materialization)
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Intraday Greeks series for a single option contract (on-demand materialization)
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Intraday 1-minute bars for a single option contract (on-demand materialization)
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Latest-day volume profile for a single option contract (on-demand materialization)
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Per-expiry chains/open-interest/volume breakdown for one ticker (on-demand materialization)
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Max pain per expiry for one ticker (on-demand materialization)
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Per-contract open-interest change for one ticker (on-demand materialization)
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Open interest per expiry for one ticker (on-demand materialization)
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Open interest per strike for one ticker (on-demand materialization)
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Full market list of optionable tickers
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Latest-day options volume aggregate for one ticker (on-demand materialization)
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Option volume distribution by underlying price level for one ticker (on-demand materialization)
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Volume and open interest per expiry for one ticker (on-demand materialization)
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Securities-lending desk fee/rebate and availability observations for one ticker (on-demand materialization)
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SEC fails-to-deliver settlement history for one ticker (on-demand materialization)
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FINRA bi-weekly short interest and float history for one ticker (on-demand materialization)
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Market-wide short interest screener for the latest FINRA disclosure period
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FINRA daily short volume and ratio series for one ticker (on-demand materialization)
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FINRA daily short volume by reporting venue for one ticker (on-demand materialization)
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Company fundamentals and reference profile (on-demand materialization)
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Dividend history for one ticker (on-demand materialization)
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Reference metadata for one ticker (on-demand materialization)
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Full active US listing directory (canonical active universe)
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Recent lit-exchange prints for one ticker (on-demand materialization)
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Most recent market-wide lit-exchange stock prints
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Latest session OHLC for a cash index (on-demand materialization)
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OHLC candles for one ticker at a chosen candle size (on-demand materialization)
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Latest NBBO quote for a single stock ticker (on-demand materialization)
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Tickers in a given sector (on-demand materialization)
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Stock split history for one ticker (on-demand materialization)
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Latest stock state for one ticker (on-demand materialization)
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Technical indicator time series for one ticker (on-demand materialization)
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Ticker-to-exchange directory (raw vendor list, includes delisted symbols)
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Market-wide volatility anomaly leaderboard (short_vol + long_vol merged)
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Volatility anomaly score for a single ticker (on-demand materialization)
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Market-wide volatility character leaderboard
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Volatility character metrics for a single ticker (on-demand materialization)
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Interpolated implied volatility term nodes for a single ticker (on-demand materialization)
Volume and open interest per expiry for one ticker (on-demand materialization)
get
/v1/options/volume-oi-per-expiry/{ticker}
Path parameters
ticker
string
required
Response
object payload
Changes