Spreads The Bounds of Models
Update: 2025-09-03
Description
Jacob discusses how retail traders shouldn't stress about sophisticated pricing models used by financial institutions. While institutions employ various models (Black-Scholes, stochastic volatility, jump diffusion), the resulting prices all fall within the visible bid-ask spread.
For liquid assets, tight spreads reveal a consensus on fair pricing that retail traders can trust. Experienced traders should focus on liquidity rather than complex mathematical models, with Sosnoff's "star system" providing practical guidance on tradeable assets.
Jacob notes that retail traders may be "outgunned" compared to institutions but have the advantage of selectivity—choosing when to enter markets rather than making them continuously.
For liquid assets, tight spreads reveal a consensus on fair pricing that retail traders can trust. Experienced traders should focus on liquidity rather than complex mathematical models, with Sosnoff's "star system" providing practical guidance on tradeable assets.
Jacob notes that retail traders may be "outgunned" compared to institutions but have the advantage of selectivity—choosing when to enter markets rather than making them continuously.
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