Playground · DeFiGrail

Impermanent Loss

Set entry and current price and watch an LP's divergence loss against simply holding.

0.5×1×1.5×2×2.5×3×3.5×4×0%-5%-10%-15%-20%Price ratio P = current / entryIL %P=1ENTRY PRICE
CURRENT PRICE
IL = -2.02%
HODL $12500.00 vs LP $12247.45 (Δ $-252.55, fees excluded)
P = 1.5000× · $10,000 initial position

Price Impact

See how trade size relative to pool depth drives slippage on a constant-product curve.

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0%10%20%30%40%50%0%26%53%79%105%Trade size (% of reserve)Price impactTRADE SIZE10% of reserve
Price impact ≈ 11.1%
Constant-product (x·y=k): impact = f / (1 − f). The deeper the pool relative to your trade, the smaller f — and impact stays near zero.

Interest Rate Curve

Move utilization across the kink and watch a lending pool's borrow rate respond.

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0%20%40%60%80%100%0.0%6.6%13.1%19.7%26.3%Utilization UBorrow RateKINK 80%UTILIZATIONU 80%
Rate = 10.00%
Below kink — gentle slope (base + U × m₁)

Concentrated Liquidity

Set a v3 price range and see how capital splits between the two assets.

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$500$1000$1500$2000$2500$3000$3500$4000Price ($)Pa $1000Pb $3000P $2000TOKEN COMPOSITION (L=1)■ token0 (x)■ token1 (y)RANGE LOW Pa$1000
RANGE HIGH Pb$3000
CURRENT PRICE$2000
TOKEN0 (x)
0.0041
TOKEN1 (y)
13.0986
IN RANGE — active earning

PT Pull-to-Par

Watch a Pendle principal token's price converge to par as maturity approaches.

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1y0.75y0.5y0.25y0 (maturity)0.800.850.900.951.00Time to maturityPT pricepar = 1.00r = 5%r = 10%r = 20%r=5%: PT starts at 0.9524 ·  r=10%: PT starts at 0.9091 ·  r=20%: PT starts at 0.8333 — all converge to 1.00 at maturity (pull-to-par).