Comparison · educational · factual matrix

Live intraday IV smile for SPY (Desk + public snapshot)

Public glossary pages are delayed/educational. The live paid Desk refreshes with your Desk, All-Access, or Lifetime key.

Capability	Typical payoff / backtest tool	Signal Technology
Intraday smile	Static calculators common	IV smile on Desk + /live/spy-iv-smile
Wing-fattening alert	Rare	F1 under skew panel
Tied to gamma rails	Usually separate	Smile sits on the same Desk as walls/flip

Competitor features and prices come from their public websites as of November 2026 and may have changed. Check their sites for current details.

No fabricated win-rate claims. Feature matrix reflects today’s Desk inventory plus roadmap upgrades shipping on the Desk.

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