Original research · the weekly find

The weekly find — week 31, 2026.

measured by Skontro · permanent edition · 2026-07-27 → 2026-08-03

Week 31, 2026, USD books: cheapest OKX $3.43 all-in, priciest Bybit $36.14.

01 · USD books

In dollars.

Skontro's dollar series · ISO week 31, 2026

Cheapest measured — full basket

OKX

$3.43 all-in

Most expensive measured — full basket

Bybit

$36.14 all-in · 10.5× the cheapest

This week’s notes (2)

The widest measured exchange gap this week was on ETH: a $1,000 buy averaged $1.26 all-in at OKX vs $69.61 at Bybit — 55.1× apart over 112 paired hourly measurements.

The measured "cheapest venue" title changed hands 197 times this week across 4 venues (3031 hourly rounds assessed) — cheapest is a moving target.

Window: 2026-07-27 → 2026-08-03 · 8,580 measurements · estimated exchanges excluded · Method: /true-cost/methodology

02 · USDT books

In USDT.

Skontro's dollar series · USDT books, never blended with USD

Cheapest measured — full basket

Bybit

2.02 USDT all-in

Most expensive measured — full basket

Coinbase

14.88 USDT all-in · 7.4× the cheapest

This week’s notes (3)

The measured "cheapest venue" title changed hands 367 times this week across 3 venues (2599 hourly rounds assessed) — cheapest is a moving target.

The widest measured exchange gap this week was on LINK: a 1,000 USDT buy averaged 1.29 USDT all-in at Bybit vs 15.13 USDT at Coinbase — 11.7× apart over 113 paired hourly measurements.

Time of day showed up in the measurements this week: the average hidden spread was 2.27 USDT in the 08–12 UTC window vs 1.70 USDT in 20–24 — 33.0% apart for the same 1,000 USDT buy.

Window: 2026-07-27 → 2026-08-03 · 6,420 measurements · estimated exchanges excluded · Method: /true-cost/methodology

03 · EUR, the founding service

Founding EUR series.

Skontro's founding EUR series · longest continuous record

Cheapest measured — full basket

OKX

€2.39 all-in

Most expensive measured — full basket

Bybit

€19.33 all-in · 8.1× the cheapest

“Full basket” = every asset measured this week; the week-over-week note below uses only the basket both weeks share.

“0% fee” check: MEXC advertises a near-zero taker fee — measured all-in this week €3.22, €2.72 hidden spread.

This week’s notes (3)

The measured "cheapest venue" title changed hands 875 times this week across 7 venues (3588 hourly rounds assessed) — cheapest is a moving target.

The widest measured exchange gap this week was on AVAX: a €1,000 buy averaged €2.28 all-in at OKX vs €180.69 at Bybit — 79.3× apart over 116 paired hourly measurements.

Week over week, Bybit's measured average all-in cost per €1,000 buy moved from €3.60 to €5.19 (+44.2%, 1286 vs 1300 measurements, same 8-asset basket both weeks).

Window: 2026-07-27 → 2026-08-03 · 15,545 measurements · estimated exchanges excluded · Method: /true-cost/methodology

See what a buy costs today, live · or this week’s rolling find and the monthly index.

← W30 · W31 · W32→ · All research

Window: Monday 2026-07-27 → 2026-08-03 (UTC, ISO week) · 30,545 measurements · Method: /true-cost/methodology · JSON: /api/truecost/weekly?week=2026-W31

Skontro — built in Vienna by OptiRisk Consulting e.U. Not investment advice; Skontro is not a CASP under MiCAR.