# IOST-USDT-SWAP on Okx — instrument statistics

> Machine-readable twin of https://cryptostruct.com/analyze/instrument/240090 (an interactive dashboard that needs JavaScript).
> This document: https://cryptostruct.com/analyze/instrument/240090.md · Source: CryptoStruct's own tick-by-tick recordings.

IOST-USDT-SWAP is a perpetual instrument on Okx (IOST/USDT). Master data, archive coverage and daily market statistics below.

## Instrument master data

| Field | Value |
| --- | --- |
| Instrument | IOST-USDT-SWAP (id 240090) |
| Exchange | Okx (`okex`) |
| Class | perpetual · linear |
| Pair | IOST/USDT |
| State | open |
| Tick size | 0.0000001 |
| Lot size | 1 |
| Minimum order | 1 IOST |
| Minimum notional | — |
| Contract size | 1000 IOST |
| Funding interval | 4 h |
| Listed | 2020-04-21 |

Exchange-published rules as synced on 2026-10-07; venues change them — check the venue before trading.

## Archive coverage

1,088 recorded UTC days from 2023-10-11 to 2026-10-06 — every trade, every order-book update at full depth and every quote of the venue's feed, one zstd-compressed JSON-lines file per day.

## Daily market statistics (last 30 recorded days)

Averages over these days: $23,915,803 turnover and 289,688 trades per day, quoted spread 2.93 bps, top-of-book depth $92, top-20 depth $7,518 (mid-side total notional over the top 20 levels).

| UTC day | Trades | Turnover USD | Avg spread bps | Top-of-book depth USD | Top-20 depth USD |
| --- | --- | --- | --- | --- | --- |
| 2026-10-06 | 10,762 | $671,514 | 3.07 | $62 | $6,793 |
| 2026-10-05 | 10,308 | $591,047 | 4.14 | $72 | $6,473 |
| 2026-10-04 | 10,597 | $589,590 | 2.8 | $52 | $5,364 |
| 2026-10-03 | 10,001 | $610,478 | 3.44 | $74 | $6,237 |
| 2026-10-02 | 17,480 | $916,299 | 2.53 | $49 | $5,968 |
| 2026-10-01 | 16,841 | $923,018 | 3.72 | $74 | $6,213 |
| 2026-09-30 | 20,667 | $1,033,163 | 2.76 | $55 | $5,466 |
| 2026-09-29 | 23,857 | $1,246,577 | 3.04 | $56 | $4,348 |
| 2026-09-28 | 27,218 | $1,583,783 | 2.65 | $43 | $4,574 |
| 2026-09-27 | 25,009 | $1,779,465 | 2.73 | $76 | $4,619 |
| 2026-09-26 | 32,447 | $2,210,242 | 2.39 | $56 | $5,918 |
| 2026-09-25 | 30,503 | $1,858,367 | 2.14 | $82 | $4,676 |
| 2026-09-24 | 39,721 | $3,259,137 | 1.64 | $121 | $6,727 |
| 2026-09-23 | 75,399 | $5,370,976 | 2.35 | $96 | $5,144 |
| 2026-09-22 | 47,166 | $3,992,742 | 2.14 | $106 | $9,917 |
| 2026-09-21 | 39,649 | $3,784,446 | 2.36 | $126 | $11,340 |
| 2026-09-20 | 85,635 | $6,784,832 | 2.65 | $92 | $9,437 |
| 2026-09-19 | 58,409 | $4,789,865 | 2.28 | $87 | $13,102 |
| 2026-09-18 | 56,581 | $4,535,745 | 2.13 | $94 | $9,996 |
| 2026-09-17 | 142,856 | $13,432,652 | 2.16 | $124 | $8,660 |
| 2026-09-16 | 305,856 | $31,431,012 | 2.71 | $108 | $10,134 |
| 2026-09-15 | 78,725 | $7,167,076 | 2.36 | $110 | $13,755 |
| 2026-09-14 | 71,680 | $6,537,692 | 2.09 | $140 | $10,281 |
| 2026-09-13 | 160,627 | $14,000,644 | 2.12 | $99 | $8,614 |
| 2026-09-12 | 201,749 | $15,713,603 | 1.89 | $104 | $7,336 |
| 2026-09-11 | 558,477 | $50,990,136 | 2.28 | $119 | $9,031 |
| 2026-09-10 | 1,862,471 | $166,423,446 | 2.21 | $156 | $7,253 |
| 2026-09-09 | 3,939,937 | $304,762,621 | 5.99 | $100 | $5,342 |
| 2026-09-08 | 320,492 | $24,067,223 | 6.52 | $100 | $6,150 |
| 2026-09-07 | 409,531 | $36,416,698 | 6.54 | $125 | $6,661 |

## Get the data

- Rolling 24 h of 1-minute statistics as CSV (free, no auth): https://cryptostruct.com/api/analyze/instrument-last-24h-minutes/240090?format=csv
- Full tick-by-tick day files, €1 per instrument-day, no subscription, no account: https://cryptostruct.com/shop?i=240090
- Free sample days: https://cryptostruct.com/download · MCP server for agents: https://cryptostruct.com/mcp