# CTC-USDT on Okx — instrument statistics

> Machine-readable twin of https://cryptostruct.com/analyze/instrument/240221 (an interactive dashboard that needs JavaScript).
> This document: https://cryptostruct.com/analyze/instrument/240221.md · Source: CryptoStruct's own tick-by-tick recordings.

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

## Instrument master data

| Field | Value |
| --- | --- |
| Instrument | CTC-USDT (id 240221) |
| Exchange | Okx (`okex`) |
| Class | spot |
| Pair | CTC/USDT |
| State | open |
| Tick size | 0.00001 |
| Lot size | 0.000001 |
| Minimum order | 10 CTC |
| Minimum notional | — |
| Listed | 2021-01-29 |

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

## Archive coverage

1,091 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: $117,726 turnover and 11,609 trades per day, quoted spread 16.4 bps, top-of-book depth $45, top-20 depth $2,557 (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 | 13,335 | $182,916 | 15.4 | $42 | $2,086 |
| 2026-10-05 | 5,904 | $55,750 | 19.8 | $98 | $2,969 |
| 2026-10-04 | 6,185 | $73,811 | 11.8 | $56 | $2,041 |
| 2026-10-03 | 3,882 | $31,166 | 18.1 | $99 | $3,375 |
| 2026-10-02 | 10,624 | $151,071 | 14.3 | $45 | $2,520 |
| 2026-10-01 | 20,873 | $231,771 | 21.1 | $83 | $3,913 |
| 2026-09-30 | 7,192 | $97,840 | 15.1 | $229 | $3,063 |
| 2026-09-29 | 12,910 | $160,021 | 19.1 | $17 | $2,313 |
| 2026-09-28 | 12,828 | $113,312 | 19.8 | $13 | $2,219 |
| 2026-09-27 | 5,144 | $50,057 | 19.8 | $13 | $2,219 |
| 2026-09-26 | 11,929 | $114,677 | 19.8 | $13 | $2,219 |
| 2026-09-25 | 7,035 | $51,595 | 19.8 | $13 | $2,219 |
| 2026-09-24 | 13,231 | $150,110 | 19.8 | $13 | $2,219 |
| 2026-09-23 | 7,367 | $77,969 | 19.8 | $13 | $2,219 |
| 2026-09-22 | 10,815 | $114,656 | 17.9 | $17 | $2,112 |
| 2026-09-21 | 14,759 | $144,717 | 22.2 | $43 | $4,485 |
| 2026-09-20 | 8,231 | $89,891 | 14.2 | $31 | $2,108 |
| 2026-09-19 | 15,163 | $152,215 | 20.8 | $62 | $4,605 |
| 2026-09-18 | 9,481 | $47,958 | 19.1 | $37 | $2,377 |
| 2026-09-17 | 6,270 | $28,979 | 23.3 | $72 | $4,148 |
| 2026-09-16 | 11,029 | $83,733 | 24.3 | $50 | $4,208 |
| 2026-09-15 | 23,118 | $355,057 | 26.2 | $37 | $2,136 |
| 2026-09-14 | 30,334 | $365,391 | 8.96 | $17 | $1,688 |
| 2026-09-13 | 14,138 | $134,478 | 10.3 | $12 | $1,888 |
| 2026-09-12 | 7,309 | $49,281 | 8.48 | $22 | $2,111 |
| 2026-09-11 | 10,349 | $56,230 | 7.43 | $35 | $2,101 |
| 2026-09-10 | 8,311 | $44,610 | 9.21 | $40 | $1,974 |
| 2026-09-09 | 7,890 | $58,012 | 8.67 | $42 | $1,983 |
| 2026-09-08 | 9,348 | $64,595 | 8.49 | $60 | $1,807 |
| 2026-09-07 | 23,287 | $199,897 | 7.52 | $27 | $1,376 |

## Get the data

- Rolling 24 h of 1-minute statistics as CSV (free, no auth): https://cryptostruct.com/api/analyze/instrument-last-24h-minutes/240221?format=csv
- Full tick-by-tick day files, €1 per instrument-day, no subscription, no account: https://cryptostruct.com/shop?i=240221
- Free sample days: https://cryptostruct.com/download · MCP server for agents: https://cryptostruct.com/mcp