Where our data comes from and how often we check it
Short answer
The data on this site comes from the exchanges' official pages and public disclosures. For each type of data, the table below shows the source, how often it is checked and the date of the last check. Details are as set by the exchange.
- Rebates, fees and welcome offers come from the official pages and back ends of Binance and OKX.
- The last check date for each type of data is in the table.
Each type of data
| Data | Source | How often updated | Last checked |
|---|---|---|---|
| Fee rebate rate | Referral links on Binance and OKX, and the settings we see in our referrer dashboards on both | Updated when it changes; checked monthly | Oct 3, 2026 |
| Trading fees | Official fee pages of Binance and OKX | Checked monthly | Oct 3, 2026 |
| Welcome offers | Official campaign pages and announcements of Binance and OKX | Checked daily | Oct 5, 2026 |
| Withdrawal fees and networks by coin | Read automatically every day: Binance’s public API and OKX’s exchange API | Updated daily | Oct 4, 2026 |
| Red Packet codes | Public posts on Binance Square, plus codes submitted by readers | Any time | Live |
| Smart-money daily: spot Bitcoin ETF flows | Data publicly disclosed by each ETF issuer | Daily | Oct 4, 2026 |
| Smart-money daily: 13F, congressional and insider trades | Filings with the U.S. SEC and disclosures by members of Congress | Daily | Oct 4, 2026 |
Specific terms and amounts are as set on the exchange’s own pages.
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