Financial investments - Financial investments accounted under trading model (Details) - Wealth management products with no fixed term |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2025
CNY (¥)
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Dec. 31, 2025
USD ($)
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Dec. 31, 2024
CNY (¥)
|
|
| Debt Securities, Held-to-Maturity, Allowance for Credit Loss [Line Items] | |||
| Fair value | ¥ 88,750,659 | $ 12,691,175 | |
| Addition | 1,270,936,983 | 181,741,571 | ¥ 97,916,010 |
| Settlements | (730,045,659) | (104,395,141) | (10,417,600) |
| Total realized gain | 1,863,559 | 266,485 | 179,600 |
| Fair value change | 4,662,583 | 666,741 | 1,072,649 |
| Exchange differences | (3,500,630) | (500,583) | |
| Fair value | ¥ 632,667,495 | $ 90,470,248 | ¥ 88,750,659 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of unrealized and realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of realized gain (loss) on investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount of investment in debt security measured at fair value with change in fair value recognized in net income (trading). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of reductions in investment in debt debt securities, Trading, Exchange differences No definition available.
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- Definition Amount of reductions in investment in debt security measured at fair value with change in fair value recognized in net income (trading). No definition available.
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- Definition Amount of cash outflow to acquire investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (trading). No definition available.
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- Details
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