Why is it that the last time frame that Python gotRecords returned was close and different on the platform?

Author: fydlzr, Created: 2021-04-26 14:48:14, Updated:

OKX's eth-usdt;

Each getRecords [-1][close box] is not equal to the actual close; But [-2][close] is right.

Why is this so?


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The grass-1 is the most recent unfinished K line, real-time change.