strike_exposure::inventory_impact_potential_for_liability — the book-level potential
phi(L): marginal rate rising linearly to inventory_impact_max_rate over the scale B,
flat at the cap above it. Trades are charged the DIFFERENCE of two evaluations, which is
what makes inventory cycles telescope to zero.
strike_exposure::inventory_impact_potential_for_liability— the book-level potentialphi(L): marginal rate rising linearly toinventory_impact_max_rateover the scaleB, flat at the cap above it. Trades are charged the DIFFERENCE of two evaluations, which is what makes inventory cycles telescope to zero.