Token on 5 chains
99.8%
$61.09B reserves for $59.54B market cap, all chains
- Repos 50%
- T-Bills 37%
- Cash 14%
As of Oct 1, 2026 · Issuer reports · latest report · sources
01 · Chains
USDC on each chain
The reserves are reported for all chains together. Each chain gets the share of its circulating supply at the report date.
| Chain | Market cap | Reserves | Share | Backing ratio |
|---|---|---|---|---|
 USDC on Ethereum | $44.38B | $45.75B | 74.9% | 99.8% |
 USDC on Solana | $6.95B | $7.05B | 11.5% | 99.8% |
 USDC on Base | $4.30B | $4.31B | 7.1% | 99.8% |
 USDC on Arbitrum One | $2.25B | $2.36B | 3.9% | 99.8% |
 USDC on Polygon | $1.66B | $1.62B | 2.6% | 99.8% |
02 · Backing chain
What USDC is backed by
All chains together. Move the slider or press play to see the chain week by week.
Backed by: the reserves behind USDC, through every level
Backing on Oct 31, 2026, the last recorded day of its week. Backing from reports counts until the next report, for at most 140 days. Between two reports the values are estimated, see the settings.
03 · Composition over time
What the reserves were made of
All chains together. Before a chain was tracked, its part is missing from the totals.
Tap for the mix at a date.
Latest, Oct 1, 2026
Click reserve assets above to show only those.
04 · Backing ratio
Reserves against market cap
All chains together, at the report dates.
06 · Sources
96 reports behind these numbers
Circle's monthly attestation reports (Grant Thornton, Deloitte), for all chains together. Each chain gets its share by circulating supply.
| Period | File | Source |
|---|---|---|
| 2026-09 | USDC-2026-09-Attestation-report.pdf | Original |
| 2026-08 | USDC-2026-08-Attestation-report.pdf | Original |
| 2026-07 | USDC-2026-07-Attestation-report.pdf | Original |
| 2026-06 | USDC-2026-06-Attestation-report.pdf | Original |
| 2026-05 | USDC-2026-05-Attestation-report.pdf | Original |
| 2026-04 | USDC-2026-04-Attestation-report.pdf | Original |
| 2026-03 | USDC-2026-03-Attestation-report.pdf | Original |
| 2026-02 | USDC-2026-02-Attestation-report.pdf | Original |
| 2026-01 | USDC-2026-01-Attestation-report.pdf | Original |
| 2025-12 | USDC-2025-12-Attestation-report.pdf | Original |
| 2025-11 | USDC-2025-11-Attestation-report.pdf | Original |
| 2025-10 | USDC-2025-10-Attestation-report.pdf | Original |
| 2025-09 | USDC-2025-09-Attestation-report.pdf | Original |
| 2025-08 | USDC-2025-08-Attestation-report.pdf | Original |
| 2025-07 | USDC-2025-07-Attestation-report.pdf | Original |
| 2025-06 | USDC-2025-06-Attestation-report.pdf | Original |
| 2025-05 | USDC-2025-05-Attestation-report.pdf | Original |
| 2025-04 | USDC-2025-04-Attestation-report.pdf | Original |
| 2025-03 | USDC-2025-03-Attestation-report.pdf | Original |
| 2025-02 | USDC-2025-02-Attestation-report.pdf | Original |
| 2025-01 | USDC-2025-01-Attestation-report.pdf | Original |
| 2024-12 | USDC-2024-12-Attestation-report.pdf | Original |
| 2024-11 | USDC-2024-11-Attestation-report.pdf | Original |
| 2024-10 | USDC-2024-10-Attestation-report.pdf | Original |
| 2024-09 | USDC-2024-09-Attestation-report.pdf | Original |
| 2024-08 | USDC-2024-08-Attestation-report.pdf | Original |
| 2024-07 | USDC-2024-07-Attestation-report.pdf | Original |
| 2024-06 | USDC-2024-06-Attestation-report.pdf | Original |
| 2024-05 | USDC-2024-05-Attestation-report.pdf | Original |
| 2024-04 | USDC-2024-04-Attestation-report.pdf | Original |
| 2024-03 | USDC-2024-03-Attestation-report.pdf | Original |
| 2024-02 | USDC-2024-02-Attestation-report.pdf | Original |
| 2024-01 | USDC-2024-01-Attestation-report.pdf | Original |
| 2023-12 | USDC-2023-12-Attestation-report.pdf | Original |
| 2023-11 | USDC-2023-11-Attestation-report.pdf | Original |
| 2023-10 | USDC-2023-10-Attestation-report.pdf | Original |
| 2023-09 | USDC-2023-09-Attestation-report.pdf | Original |
| 2023-08 | USDC-2023-08-Attestation-report.pdf | Original |
| 2023-07 | USDC-2023-07-Attestation-report.pdf | Original |
| 2023-06 | USDC-2023-06-Attestation-report.pdf | Original |
| 2023-05 | USDC-2023-05-Attestation-report.pdf | Original |
| 2023-04 | USDC-2023-04-Attestation-report.pdf | Original |
| 2023-03 | USDC-2023-03-Attestation-report.pdf | Original |
| 2023-02 | USDC-2023-02-Attestation-report.pdf | Original |
| 2023-01 | USDC-2023-01-Attestation-report.pdf | Original |
| 2022-12 | USDC-2022-12-Attestation-report.pdf | Original |
| 2022-11 | USDC-2022-11-Attestation-report.pdf | Original |
| 2022-10 | USDC-2022-10-Attestation-report.pdf | Original |
| 2022-09 | USDC-2022-09-Attestation-report.pdf | Original |
| 2022-08 | USDC-2022-08-Attestation-report.pdf | Original |
| 2022-07 | USDC-2022-07-Attestation-report.pdf | Original |
| 2022-06 | USDC-2022-06-Attestation-report.pdf | Original |
| 2022-05 | USDC-2022-05-Attestation-report.pdf | Original |
| 2022-04 | USDC-2022-04-Attestation-report.pdf | Original |
| 2022-03 | USDC-2022-03-Attestation-report.pdf | Original |
| 2022-02 | USDC-2022-02-Attestation-report.pdf | Original |
| 2022-01 | USDC-2022-01-Attestation-report.pdf | Original |
| 2021-12 | USDC-2021-12-Attestation-report.pdf | Original |
| 2021-11 | USDC-2021-11-Attestation-report.pdf | Original |
| 2021-10 | USDC-2021-10-Attestation-report.pdf | Original |
| 2021-09 | USDC-2021-09-Attestation-report.pdf | Original |
| 2021-08 | USDC-2021-08-Attestation-report.pdf | Original |
| 2021-07 | USDC-2021-07-Attestation-report.pdf | Original |
| 2021-06 | USDC-2021-06-Attestation-report.pdf | Original |
| 2021-05 | USDC-2021-05-Attestation-report.pdf | Original |
| 2021-04 | USDC-2021-04-Attestation-report.pdf | Original |
| 2021-03 | USDC-2021-03-Attestation-report.pdf | Original |
| 2021-02 | USDC-2021-02-Attestation-report.pdf | Original |
| 2021-01 | USDC-2021-01-Attestation-report.pdf | Original |
| 2020-12 | USDC-2020-12-Attestation-report.pdf | Original |
| 2020-11 | USDC-2020-11-Attestation-report.pdf | Original |
| 2020-10 | USDC-2020-10-Attestation-report.pdf | Original |
| 2020-09 | USDC-2020-09-Attestation-report.pdf | Original |
| 2020-08 | USDC-2020-08-Attestation-report.pdf | Original |
| 2020-07 | USDC-2020-07-Attestation-report.pdf | Original |
| 2020-06 | USDC-2020-06-Attestation-report.pdf | Original |
| 2020-05 | USDC-2020-05-Attestation-report.pdf | Original |
| 2020-04 | USDC-2020-04-Attestation-report.pdf | Original |
| 2020-03 | USDC-2020-03-Attestation-report.pdf | Original |
| 2020-02 | USDC-2020-02-Attestation-report.pdf | Original |
| 2020-01 | USDC-2020-01-Attestation-report.pdf | Original |
| 2019-12 | USDC-2019-12-Attestation-report.pdf | Original |
| 2019-11 | USDC-2019-11-Attestation-report.pdf | Original |
| 2019-10 | USDC-2019-10-Attestation-report.pdf | Original |
| 2019-09 | USDC-2019-09-Attestation-report.pdf | Original |
| 2019-08 | USDC-2019-08-Attestation-report.pdf | Original |
| 2019-07 | USDC-2019-07-Attestation-report.pdf | Original |
| 2019-06 | USDC-2019-06-Attestation-report.pdf | Original |
| 2019-05 | USDC-2019-05-Attestation-report.pdf | Original |
| 2019-04 | USDC-2019-04-Attestation-report.pdf | Original |
| 2019-03 | USDC-2019-03-Attestation-report.pdf | Original |
| 2019-02 | USDC-2019-02-Attestation-report.pdf | Original |
| 2019-01 | USDC-2019-01-Attestation-report.pdf | Original |
| 2018-12 | USDC-2018-12-Attestation-report.pdf | Original |
| 2018-11 | USDC-2018-11-Attestation-report.pdf | Original |
| 2018-10 | USDC-2018-10-Attestation-report.pdf | Original |