# ZK-USDT-SWAP on Okx — instrument statistics

> Machine-readable twin of https://cryptostruct.com/analyze/instrument/241845 (an interactive dashboard that needs JavaScript).
> This document: https://cryptostruct.com/analyze/instrument/241845.md · Source: CryptoStruct's own tick-by-tick recordings.

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

## Instrument master data

| Field | Value |
| --- | --- |
| Instrument | ZK-USDT-SWAP (id 241845) |
| Exchange | Okx (`okex`) |
| Class | perpetual · linear |
| Pair | ZK/USDT |
| State | open |
| Tick size | 0.000001 |
| Lot size | 1 |
| Minimum order | 1 ZK |
| Minimum notional | — |
| Contract size | 10 ZK |
| Funding interval | 4 h |
| Listed | 2024-06-18 |

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

## Archive coverage

920 recorded UTC days from 2024-03-19 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: $1,905,159 turnover and 30,082 trades per day, quoted spread 4.76 bps, top-of-book depth $55, top-20 depth $6,380 (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 | 21,460 | $1,114,087 | 4.3 | $47 | $6,994 |
| 2026-10-05 | 20,662 | $1,153,254 | 3.87 | $57 | $6,577 |
| 2026-10-04 | 20,734 | $1,489,657 | 5.42 | $71 | $6,457 |
| 2026-10-03 | 25,703 | $1,634,921 | 4.58 | $51 | $5,992 |
| 2026-10-02 | 71,085 | $7,003,203 | 5.96 | $87 | $7,295 |
| 2026-10-01 | 25,580 | $1,134,608 | 4.55 | $48 | $7,863 |
| 2026-09-30 | 25,336 | $1,516,545 | 5.86 | $68 | $6,900 |
| 2026-09-29 | 27,759 | $1,085,811 | 4.91 | $41 | $4,512 |
| 2026-09-28 | 31,240 | $1,813,375 | 6.03 | $73 | $7,410 |
| 2026-09-27 | 29,383 | $1,586,958 | 4.41 | $41 | $5,514 |
| 2026-09-26 | 27,013 | $1,656,089 | 5.53 | $63 | $4,548 |
| 2026-09-25 | 45,673 | $1,915,712 | 4.55 | $36 | $3,571 |
| 2026-09-24 | 33,888 | $2,143,463 | 5.2 | $57 | $7,880 |
| 2026-09-23 | 41,119 | $2,917,445 | 5.14 | $53 | $4,544 |
| 2026-09-22 | 29,376 | $2,050,124 | 6.03 | $52 | $6,139 |
| 2026-09-21 | 34,501 | $2,391,875 | 4.57 | $45 | $7,366 |
| 2026-09-20 | 69,960 | $6,109,133 | 6.57 | $80 | $5,131 |
| 2026-09-19 | 35,731 | $1,998,598 | 4.57 | $48 | $3,317 |
| 2026-09-18 | 46,113 | $3,321,705 | 7.04 | $91 | $5,382 |
| 2026-09-17 | 16,006 | $911,381 | 4.46 | $58 | $5,523 |
| 2026-09-16 | 19,225 | $1,179,247 | 5.99 | $68 | $5,692 |
| 2026-09-15 | 21,229 | $1,045,640 | 4.17 | $37 | $7,421 |
| 2026-09-14 | 17,865 | $862,862 | 4.22 | $32 | $8,487 |
| 2026-09-13 | 15,333 | $735,858 | 3.43 | $47 | $7,282 |
| 2026-09-12 | 11,814 | $477,851 | 3 | $48 | $5,962 |
| 2026-09-11 | 25,209 | $1,368,131 | 3.75 | $46 | $7,745 |
| 2026-09-10 | 30,130 | $1,305,615 | 3.54 | $41 | $6,438 |
| 2026-09-09 | 28,360 | $1,670,365 | 4.21 | $47 | $5,703 |
| 2026-09-08 | 24,992 | $1,562,767 | 3.33 | $53 | $8,596 |
| 2026-09-07 | 29,988 | $1,998,501 | 3.45 | $53 | $9,158 |

## Get the data

- Rolling 24 h of 1-minute statistics as CSV (free, no auth): https://cryptostruct.com/api/analyze/instrument-last-24h-minutes/241845?format=csv
- Full tick-by-tick day files, €1 per instrument-day, no subscription, no account: https://cryptostruct.com/shop?i=241845
- Free sample days: https://cryptostruct.com/download · MCP server for agents: https://cryptostruct.com/mcp