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PSA: Slippage vs Price Impact in between the time you generate a quote and execute a swap, the state of the market-network changes. even with highly accurate simulation, for volatile tokens, the realized gap between quote and execution can be significant (in either direction). the name of this gap is called "slippage" and crucially, because we cant predict the future, its impossible to compute a priori. which is why you specify a "max slippage" or "slippage tolerance". that's your way of saying: if the actual onchain execution of this trade exceeds my quote by x%, revert. so that's happening in addition, when you trade on an AMM (regardless of whether you're doing so directly or via an aggregator/meta-aggregator that breaks your trade among among many AMMs) the price you get is determined by 1) the liquidity depth of the pool(s) you're trading in and, 2) the price range that depth is concentrated to. if the size of your trade is so large that it "chews through the book" or, in the case of AMMs, rapidly eats through the available liquidity range, it will continue ascending the price curve asymptotically toward infinity. which means you’ll end up paying an amount per token that exceeds current market price. put simply, if the size of your trade exceeds available liquidity you're gonna Get Rekt. this is called “price impact” and *can* be computed a priori. *both* slippage *and* price impact are happening when you trade, but because volatility on majors is relatively low, and the size of your trade relative to liquidity depth is also low, you rarely notice …until you try to swap $50M 😭

slow swaps churn users decreasing swap latency increases app revenue spanDEX dot sh

been experimenting with “greasing the groove” the past couple months. tl;dr: you dont “workout” in the traditional sense, you simply pick some sets/reps of exercises you like and get them done throughout the day much easier to fit exercise into Daily Life the volume adds up (without being very physically noticeable due to the long periods between sets) 5x25 pushups per day 5x/wk is 2.5k/mo! https://www.youtube.com/watch?v=Vx0LJV-Q0j8

me watching devs route 100% of their order flow to a single aggregator that takes positive slippage

the @fabric DEX aggregator has done $2.5M of onchain execution vol in the last 72hrs, and is on track for its 3rd straight day of doubling good progress, still a long way to go

slow swaps churn users. sub 20ms avg time-to-quote or gtfo

spanDEX is live on @clanker! you’re now getting the fastest, best-priced swaps when you trade on clanker because spanDEX is routing *every single transaction* to the highest performing aggregator clank clank

aggregators in Quotebench are compared using their standard API, no fees are waived or negotiated past the fancy swag and marketing hype, it’s interesting to see who actually performs best across chains, pairs, and sizes https://farcaster.xyz/nonlinear.eth/0x097bad84 1min on how it works:

announcing Quotebench: aggregator performance benchmarks every aggregator says they have the best price, but how do you know? hard to compare bc of diff APIs and response formats dont trust whoever's marketing is loudest, verify for yourself: benchmark.withfabric.xyz

lol ty bro

clarification wrt integrating spandex.sh you can keep using your existing provider API key :) we designed spanDEX to work *in addition to* not *in place of* your current setup the trade is: small amount of eng effort in exchange for more stable, faster, accurate swaps

aggregators compare DEXs to find the best price meta-aggregators compare *aggregators* 1min on why 1 layer of aggregation isn't enough:

hundreds of DEXs, millions of tokens, multiple chains optimal trade routes change constantly. most people click swap and just hope for the best aggregators (and why they're valuable) explained in 60sec:

if you’ve ever wondered why there’s a difference between the price you *thought* you’d get, and what you *actually* got, watch this execution quality and why it matters in ~1min:

this would fix me

apologies in advance (bullposting, outbound sales, and overall degenerate optimism in the face of fear uncertainty and doubt) its just that i got that dog in me. not giving up

most aggregators compete only on price, which is simplistic, incomplete, and misleading. there are 4 dimensions that actually matter: Stability, Latency, Accuracy, and (yes), Price S.L.A.P. explained:

i made these giant spandex.sh stickers for eth denver they fit perfectly on a 15" macbook anyway hmu if you want to meet irl. happy to chat about how we can help improve your execution quality

announcing spanDEX: the first Free & Open Source Meta-Aggregator for developers, traders, and AI agents: - expand tokens/pools/chains beyond a single provider - get multiple quotes to find the best price - redundancy when an aggregator fails - no vendor lock-in spandex.sh