FlashAlpha FlashAlpha

API PricingAPI Pricing

Real-time options Greeks & exposure analytics via REST API. Start free - upgrade when you need more.

Plans below are licensed for personal / single-team use. Funds and prop desks needing a dedicated node for internal research and trading: see commercial pricing. Real-time WebSocket streaming is available commercially from $4,500/mo.

i am: SPY/SPX swing & OPEX pins · 0DTE, futures & screeners · quant research & backtests
Just evaluating? Free tier, no card ↓
free plan
free
$0
No credit card required
Evaluators, hobbyists, single-name equity GEX checks. Upgrade when you need indexes, 0DTE, vol analytics, full-chain, or higher quotas.
  • 5 requests/day
  • 15-minute data freshness
  • GEX by strike (docs) - single expiry
  • Call wall, put wall, gamma flip levels (docs)
  • BSM Greeks & IV calculator (docs)
  • Stock quotes & vol surface (docs)
  • Community support
Included
basic
/mo $79
$3.00/trading day$3.76/trading day
SPY/QQQ/SPX swing traders and OPEX pin watchers. Daily gamma flip + walls + max-pain workflows on indexes and ETFs.
  • Everything in Free
  • 250 requests/day
  • 15-second freshness - near-live data
  • ETFs & index symbols (SPY, QQQ, IWM, SPX, VIX, RUT...)
  • DEX, VEX, CHEX + max pain analysis
  • Official SDKs + email support
  • Full feature list ↓
  • Everything in Free
  • 250 requests/day
  • 15-second freshness - near-live data
  • ETFs & index symbols (SPY, QQQ, IWM, SPX, VIX, RUT...)
  • DEX, VEX, CHEX (docs) - delta, vanna, charm exposure
  • Max pain analysis (docs) - pain curve, pin probability, dealer alignment
  • Market Overview - daily multi-section dealer positioning, vol & skew analysis
  • Email support
  • Official SDKs (Python, JS, C#, Go, Java)
most popular
growth
/mo $299
$11.38/trading day$14.24/trading day
Active 0DTE traders, premium sellers, intraday bots, vol-aware discretionary, multi-symbol scanners. The default tier for serious daily users.
  • Everything in Basic
  • CME index futures (ES, NQ, RTY, YM + MES/MNQ micros) - full-chain GEX, flow & levels
  • 0DTE analytics - pin risk, expected move, gamma regime
  • 2,500 requests/day
  • Live Screener - 20-symbol Tier 1 universe
  • Flow Analytics + AI narrative
  • Full feature list ↓
  • Everything in Basic
  • CME index futures (ES=F, NQ=F) - full-chain GEX, flow & levels on options-on-futures
  • 2,500 requests/day
  • 15-second freshness - near-live data
  • Full-chain GEX (docs) - all expirations aggregated
  • 0DTE analytics (docs) - pin risk, expected move, gamma regime
  • Flow Analytics (docs) - simulation-aware GEX/DEX/levels/pin-risk/dealer-risk recomputed on intraday effective OI
  • Options chain (docs) with full Greeks & IV
  • Volatility analytics (docs) - realized vol, skew, term structure
  • AI narrative (docs) - verbal exposure analysis
  • Kelly criterion position sizing
  • Extended Market Overview - full-chain exposure, VRP, term structure, advanced vol sections
  • Live Screener (docs) - 20-symbol Tier 1 universe, filter trees, cascading expiry/strike/contract filters
  • Priority email support
alpha
/mo $1,499
a fraction of a terminal seat
For quants & systematic desks who backtest: replay GEX, VRP, dealer flow & max pain to the minute since 2017 - 80+ billion option rows, no lookahead, the same API as live. Uncached, unlimited.
  • Everything in Growth
  • Unlimited requests - no daily cap
  • Backtest to the minute since 2017 (Historical API)
  • SVI vol surfaces + advanced vol - arbitrage detection
  • Raw flow tape + unusual flow signals
  • ~1 s snapshots + 99.9% uptime SLA
  • Full feature list ↓
  • Everything in Growth
  • Unlimited requests - no daily cap
  • Live Screener (full) (docs) - ~250 symbols, formulas, strategy scores (harvest, dealer-flow-risk, iron-condor)
  • Backtest to the minute since 2017 (Historical API) - replay GEX, VRP, dealer regime & max pain at any minute; no lookahead; same response shape as live
  • VRP analytics (docs) - z-score, regime, strategy scores, directional decomposition
  • SVI vol surfaces (docs) - calibrated parameters, arbitrage detection, variance swaps
  • Higher-order Greeks (docs) - vanna, charm, volga, speed surfaces
  • Near-real-time - ~1 s snapshots, fresh on every request
  • SVI-smoothed IV on every option quote (svi_vol)
  • OI simulator state + Flow bundle (docs) - unclamped simulated OI, effective OI per contract, one-call /v1/flow/live
  • Flow polarity (guide) - ?polarity=flow signs GEX & levels by measured dealer position (long vs short gamma)
  • Unusual flow signals (docs) - scored sweep/block feed with NBBO aggressor, opening bias, intent + watchlist tilt roll-up
  • Raw Flow Data tape (docs) - per-symbol option/stock trades, blocks, minute history, cross-symbol leaderboards & outliers
  • 99.9% uptime SLA
Coming from SpotGamma or Unusual Whales? See the comparison →
Which plan fits you

Find your tier by trading style

Most users land on Basic for SPY/SPX wall watching or Growth for active 0DTE and volatility work. Pick the persona that fits.

Free
Eval, single-name glance, calculator
  • Kicking the tires before paying or pitching to a team
  • Sporadic single-name GEX glance: NVDA, TSLA, AAPL, AMD
  • BSM Greeks & IV calculator for personal pricer validation
  • Educators / content creators citing GEX walls in posts
  • Python notebook learners building first GEX charts
  • Cross-checking a broker's Greeks display
Basic
SPX / SPY index wall watcher
  • Daily check: SPX / SPY gamma flip, call wall, put wall
  • OPEX week pin trader using max pain & pin probability
  • Sells covered calls / cash-secured puts on SPY, QQQ, IWM
  • Dealer-flow-aware swing trader (vanna / charm exposure)
  • Reads Market Overview for daily institutional positioning
  • LLM agent doing periodic index-symbol briefings
Most Popular
Growth
Active 0DTE & volatility trader
  • 0DTE SPX / SPY: pin risk score, expected move, gamma regime
  • Iron condor / butterfly desks sizing wings by pin probability
  • Discretionary day trader using AI exposure narrative pre-open
  • Vol relative-value: realized vol, IV-RV spread, skew, term structure
  • Spread / calendar pricing across full chain Greeks & IV
  • Tier 1 screener (20 symbols) for daily idea generation
  • Kelly-sized covered-call writer or systematic operator
Alpha
Quant research, ML signals, systematic trading
  • ML feature store: aggregate charm & vanna exposure as predictive features (one customer reports 4 of their top 5 model features come from us)
  • Quant backtests using Historical API: replay GEX / VRP / dealer regime / max pain at any minute since 2017
  • Cross-sectional model training: harvest GEX / DEX / VEX / CHEX / VRP across the full universe at regular cadence
  • Vol arbitrage: SVI calibration, butterfly & calendar arb detection, variance swap fair values
  • Systematic selector via VRP z-score + GEX-conditioned regime, plus higher-order Greek surfaces (vanna, charm, volga, speed)
  • Real-time prop desk: fresh data, 99.9% SLA, always-on dealer-positioning feed
  • Full universe screener (~250 names, custom formulas, strategy scores)
What customers say

Trusted by systematic traders & quant researchers

“FlashAlpha is essential infrastructure. It’s the only source for aggregate charm and vanna exposure, and that data feeds 4 of our top 5 predictive features.”
J
Joel
Quant researcher
“The best options analytics service I’ve used. I code my own tools and dashboards using their API, and the price-to-benefit ratio is through the roof.”
W
Will
Verified review
“First day live: 3 trades, 3 winners. More importantly, it blocked 30+ bad signals, including 5 institutional put trades that would have lost money.”
A
Alonso
Independent trader
“Integrating FlashAlpha into our systematic 0DTE SPX iron condor regime scoring. GEX regime, dealer hedging estimates, and vol surface are exactly what we needed.”
D
Dave
Systematic 0DTE desk

Running a fund, prop desk, or institutional research team?

The commercial tiers give your desk dedicated infrastructure for its own internal research and trading: a reserved REST node, real-time streaming, or a fully custom deployment. Standard plans above (Free / Basic / Growth / Alpha) are licensed for personal or single-team internal use. No redistribution.

Funds & prop desks
from $2,500 /mo

Dedicated node, reserved throughput, full analytics stack, live + historical parity since 2017. Internal use, no redistribution.

Professional →
Real-time push
from $4,500 /mo

WebSocket streaming of 500+ live metrics: subscribe to (symbol, metric, cadence) and updates are pushed as they recompute. Bundles a dedicated node, streaming compute, and 500 subscriptions. Internal use, no redistribution.

Streaming →
Custom
Enterprise

Multi-region, dedicated capacity, custom signals in your endpoint, on-prem/VPC, streaming, and compliance scoping. Internal use, no redistribution.

Enterprise →

Already on Alpha and need to scale further?

Existing customers can email sales directly for Professional (dedicated node) or custom Enterprise upgrade scoping.

For funds & prop desks

A dedicated options-analytics node for your desk

FlashAlpha is a purpose-built source for institutional-grade options exposure analytics - GEX, DEX, VEX, CHEX, max pain, SVI vol surfaces, VRP, dealer-positioning regimes - and one of the only public APIs publishing aggregate charm and vanna exposure. Hedge funds and prop desks run it on a dedicated node with reserved throughput and live + historical parity, for their own internal research and trading. Professional from $2,500/mo, Enterprise custom. Internal use only - FlashAlpha does not offer redistribution, embedding, white-label, or publisher licensing. Standard tiers (Free, Basic, Growth, Alpha) cover personal / single-team internal use.

Dedicated node, reserved throughput, full GEX/DEX/VEX/CHEX + 0DTE + SVI + VRP + higher-order Greeks + full screener, point-in-time replay since 2017. Enterprise adds multi-region, dedicated capacity, and custom signals.

See Commercial Pricing

Compare Plans

Detailed feature breakdown across all tiers

Free Basic Growth Alpha
Limits & Access
Daily API requests52502,500Unlimited
Ticker coverage6,000+ individual equities+ ETFs & indexes+ ETFs & indexes+ ETFs & indexes
ETFs & indexes (SPY, QQQ, SPX, VIX...)-
CME index futures (ES, NQ, RTY, YM + MES/MNQ micros)--
Data freshness?Every endpoint is served from an in-memory snapshot. Your plan's window is how stale that snapshot can get before we refresh upstream. Cache is shared: when anyone triggers a refresh, everyone benefits. A single-flight guard collapses concurrent requests into one upstream fetch - no thundering herd.15 min15s15s~1 s
Official SDKs (5 languages)
Market Overview page-ExtendedExtended
Historical API (replay since 2017)---
Swagger playground
Exposure Analytics
GEX by strike (single expiry)
GEX full chain (all expirations)--
DEX / VEX / CHEX by strike-
Key levels (gamma flip, walls, max pain)
Exposure summary (net GEX/DEX/VEX/CHEX)--
Exposure narrative (verbal analysis)--
Dealer hedging estimates (+/-1%)--
Max pain (pain curve, pin probability, dealer alignment)-
Unified per-strike sheet (all greeks + LIS + peaks)--
Per-greek term structure & cross-symbol basket--
Day-over-day OI changes (top deltas)--
Flow polarity (dealer-signed GEX & levels)---
0DTE Analytics
0DTE gamma regime & flip--
Pin risk scoring (0-100)--
Expected move (full-day & remaining)--
Theta decay & gamma acceleration--
0DTE dealer hedging (+/-0.5%, +/-1%)--
0DTE vol context (IV ratio, vanna)--
Flow Analytics (live, simulation-aware)
Live GEX / DEX with per-strike profile--
Live levels (flip, walls, max pain)--
Pin-risk score + dealer-risk classifier--
Flow summary (direction + headline live GEX)--
OI simulator state + one-call flow bundle---
Unusual-flow signal feed (sweeps/blocks, intent)---
Market Data
Stock quotes (bid/ask/mid/last)
Option quotes with BSM Greeks--
SVI-smoothed IV on option quotes---
Stock summary (price, IV, exposure, macro)
Pricing & Sizing
BSM Greeks (1st, 2nd, 3rd order)
IV solver (Newton-Raphson)
Kelly criterion position sizing--
Position P&L curve + aggregate greeks (structures)-
Expected move per expiry (straddle-implied)-
Volatility Analytics
IV surface grid (public, cached)
Realized vol (5d/10d/20d/30d/60d)--
IV-RV spreads & VRP assessment--
Skew profiles (10d/25d put/call)--
Term structure (contango/backwardation)--
GEX by DTE & theta by DTE--
Hedging scenarios (+/-1%, +/-2%, +/-5%)--
Liquidity scores (per-expiry + chain)--
Skew term structure (RR / butterfly) + spot-vol correlation--
VIX regime state (VIX vs SPX realized)--
Realized estimators (Parkinson, GK, RS, YZ)---
Vol forecasts (EWMA, HAR-RV, GARCH)---
Index dispersion (implied vs realized correlation)---
Advanced Volatility Alpha
Raw SVI parameters per expiry---
Total variance surface grid---
Butterfly & calendar arbitrage detection---
Variance swap fair values---
Greeks surfaces (vanna, charm, volga, speed)---
Implied forward prices---
VRP Analytics Alpha
VRP spreads & z-score---
Directional VRP (call vs put)---
GEX-conditioned regime analysis---
Strategy suitability scores---
Dealer flow risk assessment---
Raw Flow Data (tape) Alpha
Option & stock trades, blocks, minute history---
Cumulative net flow + OHLCV+flow bars---
Cross-symbol leaderboards + outlier scans---
Strategy Signals (decision envelopes)
Expiry positioning (OPEX pin risk / iron fly)-
Dealer regime, 0DTE, flow anomaly, skew, term structure, tail pricing, yield--
Vol-carry (VRP credit spreads) + surface anomaly (SVI wings)---
Earnings
Calendar, expected move, history, IV crush--
Earnings VRP, dealer positioning, strategy scores, screener---
Live Screener docs →
POST /v1/screener--
Universe size--20 symbols~250 symbols
Max rows per request--1050 + offset
Cascading stock/expiry/strike/contract filters--
Custom formulas (computed fields)---
Strategy scores (harvest, dealer-flow-risk, iron-condor, etc.)---
Support
Email supportPriorityPriority
Dedicated Discord channel---
99.9% uptime SLA---

Endpoint tiers

Core
Free+
/stockquote/v1/stock/{symbol}/summary/v1/surface/v1/tickers/v1/options/{ticker}/v1/symbols/v1/pricing/greeks/v1/pricing/iv/v1/account/health
Exposure
Free+ · equities
/v1/exposure/gex/v1/exposure/levels
Greeks Exposure
Basic+ · ETFs & indexes
/v1/exposure/dex/v1/exposure/vex/v1/exposure/chex/v1/maxpain/v1/structures/*/v1/expected-move
Advanced
Growth+
/v1/exposure/summary/v1/exposure/narrative/v1/exposure/gex (full-chain)/v1/volatility/v1/exposure/zero-dte/optionquote/v1/pricing/kelly
Flow (live)
Growth+
/v1/flow/levels/v1/flow/gex/v1/flow/dex/v1/flow/pin-risk/v1/flow/summary/v1/flow/dealer-risk/v1/exposure/sheet/v1/exposure/term-structure/v1/exposure/basket/v1/exposure/oi-diff
Strategies
Basic+ / Growth+ / Alpha
/v1/strategies/expiry-positioning/v1/strategies/dealer-regime/v1/strategies/zero-dte/v1/strategies/flow-anomaly/v1/strategies/skew/v1/strategies/term-structure/v1/strategies/tail-pricing/v1/strategies/yield-enhancement/v1/strategies/vol-carry/v1/strategies/surface-anomaly
Earnings
Growth+ / Alpha
/v1/earnings/calendar/v1/earnings/expected-move/v1/earnings/history/v1/earnings/iv-crush/v1/earnings/vrp/v1/earnings/dealer-positioning/v1/earnings/strategies/v1/earnings/screener
Raw flow
Alpha only
/v1/flow/options/*/v1/flow/stocks/*/v1/flow/signals/v1/flow/oi/v1/flow/liveleaderboardsoutliers
Alpha
Alpha only
/v1/adv_volatility/v1/vrp/{symbol}/v1/vrp/{symbol}/history/optionquote (svi_vol)
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Built for quantitative trading teams, independent researchers, and fintech developers

Frequently asked questions

Sign up with your email to get the Free plan with 5 requests/day - no credit card required. When you're ready for more, subscribe to a paid plan for higher rate limits and advanced endpoints. Full access from the moment you subscribe.
The Free plan gives you 5 API requests per day with access to Core and Exposure endpoints - including stock quotes, single-expiry GEX, and key levels for individual equities. No credit card required - just create an account and start building.
No. The Free plan is completely free - just sign up with your email and you'll get an API key instantly. No credit card, no trial expiry, no strings attached. You only need a payment method when you choose to upgrade to a paid plan.
Yes. You can upgrade at any time - changes take effect immediately with prorated credit for the remainder of your current billing period. To change to a lower plan, cancel your current subscription and resubscribe after it expires.
API calls beyond your daily limit will return a 429 status code. Your limit resets at midnight UTC each day. Consider upgrading to a higher tier if you consistently reach your limit.

Free - evaluating the API, single-name GEX glances (NVDA, TSLA, AAPL), Greeks / IV calculator, educators & content creators.

Basic ($79/mo) - SPY / SPX / QQQ swing & position traders watching gamma flip and call/put walls, OPEX pin traders (max pain), premium sellers on ETFs.

Growth ($299/mo) - 0DTE SPX traders (pin risk, expected move, gamma regime), iron condor / butterfly desks, AI exposure narrative readers, vol relative-value, full-chain spread pricing, live screener users.

Alpha ($1,499/mo) - ML / signal engineers training models on aggregate charm & vanna exposure (one of the only public APIs publishing these aggregates), quant backtesters using Historical API since 2017, vol arbitrage with SVI calibration, systematic VRP / regime strategy selectors, risk desks needing higher-order Greek surfaces, real-time prop desks, high-frequency systematic operators using FlashAlpha as an always-on dealer-positioning feed. Or jump to the persona section above.

Running a fund or prop desk that needs a dedicated node for its own internal research and trading? See commercial pricing - Professional and Enterprise, internal use only, no redistribution.

No. FlashAlpha does not offer redistribution, embedding, white-label, or publisher licensing. All tiers - standard (Free, Basic, Growth, Alpha) and commercial (Professional, Enterprise) - are licensed for your organisation's own internal research and trading only.

For a dedicated node for a fund or prop desk's own internal use, see the Professional and Enterprise tiers on the dedicated page: Commercial Pricing.

You can cancel from your profile page at any time. Your access continues until the end of your current billing period. No cancellation fees.