Summary and Comparison

PT pricing involves balancing trade-offs between manipulation resistance, market responsiveness, simplicity, and capital efficiency. The optimal approach depends on the protocol's risk preferences, market conditions, and asset liquidity.

Method

Formula

Pros

Cons

Preferred Environment

Linear Discount Rate

Pt=1d×TtTP_t = 1 - d \times \frac{T - t}{T}

Simple, predictable, manipulation-resistant

Underprices, unresponsive to market dynamics

Low-liquidity markets

Zero-Coupon Bond Rate

Pt=1(1+r)TP_t = \frac{1}{(1 + r)^T}

Reflects compounding, predictable, manipulation-resistant

Unresponsive to market dynamics

Longer-term markets with stable yield

AMM-TWAP

TWAPt=Pt×ΔtΔt{\text{TWAP}_t} = \frac{\sum P_t \times \Delta t}{\sum \Delta t}

Market-responsive

Latency, liquidity-dependent

Active DeFi markets with deep liquidity

Hybrid Approach

Pt=Max(Pt×ΔtΔt,1d×TtT),P_t=Max( \frac{\sum P_t \times \Delta t}{\sum \Delta t},1 - d \times \frac{T - t}{T}),

Pt=Max(Pt×ΔtΔt,1(1+r)T)P_t=Max( \frac{\sum P_t \times \Delta t}{\sum \Delta t},\frac{1}{(1 + r)^T})

Manipulation-resistant, market-responsive

Higher complexity

Markets requiring both stability and adaptability

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