Swap Cost NotesWhat the conversion actually tookhttps://swapcostnotes.com/Building a Repeatable Method for Comparing Swap Costshttps://swapcostnotes.com/repeatable-method-for-comparing/https://swapcostnotes.com/repeatable-method-for-comparing/The whole method in one page: what to record, when to record it, and which conclusions the data can support.Mon, 26 Oct 2026 00:00:00 GMTFailed Swaps: What You Pay for a Transaction That Revertshttps://swapcostnotes.com/failed-swaps/https://swapcostnotes.com/failed-swaps/A conversion that does not complete is not free. What is charged, by whom, and which failures are recoverable.Thu, 22 Oct 2026 00:00:00 GMTWhat a Zero-Fee Swap Charges Insteadhttps://swapcostnotes.com/what-a-zero-fee-swap-charges/https://swapcostnotes.com/what-a-zero-fee-swap-charges/No venue converts for free. If the fee line says zero, the cost is in the rate, and it can be measured.Tue, 20 Oct 2026 00:00:00 GMTWeekend Spreads Against Weekday Spreads, Pair by Pairhttps://swapcostnotes.com/weekend-spreads/https://swapcostnotes.com/weekend-spreads/Captures across four weekends on three pairs. The widening is consistent in direction and uneven in size.Fri, 16 Oct 2026 00:00:00 GMTGas Estimates Versus Gas Paid: A Reconciliationhttps://swapcostnotes.com/gas-estimates-versus-gas-paid/https://swapcostnotes.com/gas-estimates-versus-gas-paid/The estimate shown before a transaction and the amount actually deducted are different numbers. How different, and why.Tue, 13 Oct 2026 00:00:00 GMTHidden Conversion Steps Inside a Single Swaphttps://swapcostnotes.com/hidden-conversion-steps/https://swapcostnotes.com/hidden-conversion-steps/One button can contain three conversions. Each crosses a spread, and the receipt shows one number.Fri, 09 Oct 2026 00:00:00 GMTTracking One Pair for Thirty Days: What the Spread Didhttps://swapcostnotes.com/tracking-one-pair-thirty-days/https://swapcostnotes.com/tracking-one-pair-thirty-days/A month of daily captures on a single pair, and the three patterns that survived the noise.Wed, 07 Oct 2026 00:00:00 GMTMinimum Sizes Where the Fixed Fee Stops Matteringhttps://swapcostnotes.com/minimum-sizes-fixed-fee/https://swapcostnotes.com/minimum-sizes-fixed-fee/Below a certain amount, flat costs make a conversion pointless. The threshold is one division and worth knowing for your own venue.Sun, 04 Oct 2026 00:00:00 GMTStablecoin to Stablecoin: The Swap People Assume Is Freehttps://swapcostnotes.com/stablecoin-to-stablecoin/https://swapcostnotes.com/stablecoin-to-stablecoin/Both sides are worth a dollar, so the conversion should be costless. Measurements say otherwise, and the reason is instructive.Thu, 01 Oct 2026 00:00:00 GMTBridge Fees Compared Against Simply Selling and Rebuyinghttps://swapcostnotes.com/bridge-fees-versus-sell-and-rebuy/https://swapcostnotes.com/bridge-fees-versus-sell-and-rebuy/Moving an asset between chains has two routes. The cheaper one depends on amount, and the crossover is calculable.Mon, 28 Sep 2026 00:00:00 GMTHow Long a Quote Holds, and What Happens When It Expireshttps://swapcostnotes.com/how-long-a-quote-holds/https://swapcostnotes.com/how-long-a-quote-holds/Quote windows run from a few seconds to a minute. What the venue does at the end of that window is the part worth knowing.Thu, 24 Sep 2026 00:00:00 GMTAggregators Versus Direct Venues on Identical Pairshttps://swapcostnotes.com/aggregators-versus-direct/https://swapcostnotes.com/aggregators-versus-direct/An aggregator searches several venues and adds its own margin. Measurements of when the search is worth the margin.Mon, 21 Sep 2026 00:00:00 GMTRound-Trip Cost: Converting Back Is Not Freehttps://swapcostnotes.com/round-trip-cost/https://swapcostnotes.com/round-trip-cost/Every conversion has a return leg, and the return leg costs the same as the outbound one. What that does to short holding periods.Sat, 19 Sep 2026 00:00:00 GMTThe Cost of Swapping During a Volatile Hourhttps://swapcostnotes.com/cost-of-swapping-in-a-volatile-hour/https://swapcostnotes.com/cost-of-swapping-in-a-volatile-hour/Spreads widen exactly when people most want to transact. Measurements of how much, and what the delay would have cost instead.Tue, 15 Sep 2026 00:00:00 GMTWhy Splitting a Large Swap Sometimes Costs Morehttps://swapcostnotes.com/splitting-a-large-swap/https://swapcostnotes.com/splitting-a-large-swap/Splitting reduces slippage and multiplies flat costs. Where the two effects cross depends on depth, not on preference.Mon, 14 Sep 2026 00:00:00 GMTSame Swap, Five Venues: What the Difference Looks Likehttps://swapcostnotes.com/same-swap-five-venues/https://swapcostnotes.com/same-swap-five-venues/One pair, one size, five places, measured within the same ten minutes. The spread between best and worst was larger than any fee.Wed, 09 Sep 2026 00:00:00 GMTNetwork Fee or Spread: Which Dominates at Which Sizehttps://swapcostnotes.com/network-fee-or-spread/https://swapcostnotes.com/network-fee-or-spread/One is flat and one is proportional. The crossover point decides which one to optimise, and it is lower than most people assume.Tue, 08 Sep 2026 00:00:00 GMTSlippage on Thin Pairs, Measured Rather Than Estimatedhttps://swapcostnotes.com/slippage-on-thin-pairs/https://swapcostnotes.com/slippage-on-thin-pairs/How much a given order size moves the price, and why the book depth matters more than the fee schedule.Fri, 04 Sep 2026 00:00:00 GMTQuoted Rate Versus Executed Rate: A Month of Observationshttps://swapcostnotes.com/quoted-versus-executed/https://swapcostnotes.com/quoted-versus-executed/Thirty paired measurements of what was promised and what arrived, and what the gap depended on.Mon, 31 Aug 2026 00:00:00 GMTMeasuring the True Cost of a $1,000 Swaphttps://swapcostnotes.com/true-cost-of-a-thousand-dollar-swap/https://swapcostnotes.com/true-cost-of-a-thousand-dollar-swap/A method for finding what a conversion actually took, rather than what the confirmation screen reported.Sat, 29 Aug 2026 00:00:00 GMT