Know the SPX structure before the bell.

GEX, key levels, and expected move for SPX/SPXW, together in one market workspace.

Free tier available · No credit card required · Cancel anytime, access continues through the billing period

One workspace. Three connected views.

Follow SPX price alongside modeled Gamma/GEX and Charm. Compare Put, Call, and Net GEX at each strike in the central Ladder.

SkewApex SPXW workspace with Gamma/GEX, GEX Ladder and Charm charts on October 9, 2026
Product screenshot · October 9, 2026 · Static previewView full size

Compare structure across strikes and expiries.

Explore GEX, IV, and Charm across available strikes and expiries. Inspect a selected cell to see its contributing contracts and available inputs.

SkewApex GEX heatmap by strike and expiry, with selected Call and Put contributors
Product screenshot · October 9, 2026 · Static previewView full size

Key levels and volatility, at a glance.

Bring GEX, Vanna, key option levels, IV, VIX, and skew into one compact overview. Read the available market context without switching between separate views.

SkewApex overview of gamma levels, volatility, term structure, flow and skew metrics
Product screenshot · October 9, 2026 · Static previewView full size

Simple, transparent pricing.

Free
$0
free
  • Single symbol (SPX)
  • SPX market preview
  • Delayed SPX preview
Get Started Free
Pro · Monthly
$99
/month

Billed $99 monthly

  • All symbols
  • Full analytics suite
  • ~1-minute data refresh
  • Scenario Simulator
  • Vol Surface + 25Δ skew
  • Email support
Start Pro
Pro · Quarterly
$89
/month

Billed $267 every 3 months · Save 10%

  • All symbols
  • Full analytics suite
  • ~1-minute data refresh
  • Scenario Simulator
  • Vol Surface + 25Δ skew
  • Email support
Start Pro
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Ready to see what moves SPX?

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Free tier available · No credit card required · Cancel anytime, access continues through the billing period