FlashAlpha | Options Analytics API - Greeks, Exposure & Vol Surfaces

# FlashAlpha ## Options Analytics API > Real-time gamma exposure (GEX), delta/vanna/charm exposure, SVI volatility surfaces, full BSM Greeks, and dealer positioning analytics for 6,000+ US equities and ETFs via REST API. ## Quick Start (Python) ```python import requests API_KEY = "YOUR_API_KEY" BASE = "https://lab.flashalpha.com" headers = {"X-Api-Key": API_KEY} # Gamma exposure by strike for SPY gex = requests.get(f"{BASE}/v1/exposure/gex/SPY", headers=headers).json() print(f"Net GEX: {gex['net_gex']:,.0f} Gamma Flip: {gex['gamma_flip']}") # Key levels (call wall, put wall, gamma flip, highest OI strike, 0DTE magnet) levels = requests.get(f"{BASE}/v1/exposure/levels/SPY", headers=headers).json() print(f"Call Wall: {levels['levels']['call_wall']} Put Wall: {levels['levels']['put_wall']}") # Full volatility profile (Growth+ plan) vol = requests.get(f"{BASE}/v1/volatility/TSLA", headers=headers).json() print(f"ATM IV: {vol['atm_iv']}% VRP: {vol['iv_rv_spreads']['assessment']}") ``` Free tier: 5 requests/day, no credit card. Sign up at https://flashalpha.com ## SDKs - Python: `pip install flashalpha` - pypi.org/project/flashalpha - JavaScript/TypeScript: `npm install flashalpha` - C#/.NET: `dotnet add package FlashAlpha` - nuget.org/packages/FlashAlpha - Go: `go get github.com/FlashAlpha-lab/flashalpha-go` - Java: Maven/Gradle - github.com/FlashAlpha-lab/flashalpha-java ## All Endpoints ### Exposure Analytics - GET /v1/exposure/gex/{symbol} - gamma exposure by strike (Free: single expiry, Growth: full chain) - GET /v1/exposure/dex/{symbol} - delta exposure by strike (Basic+) - GET /v1/exposure/vex/{symbol} - vanna exposure by strike (Basic+) - GET /v1/exposure/chex/{symbol} - charm exposure by strike (Basic+) - GET /v1/exposure/levels/{symbol} - key levels: gamma flip, call wall, put wall, highest OI strike, 0DTE magnet - GET /v1/exposure/summary/{symbol} - full exposure summary with regime + dealer hedging estimates (Growth+) - GET /v1/exposure/narrat