If you activate a new voucher, your currently activated voucher will be de-activated. De-activated vouchers can no longer be used. Select the Activate button to activate your voucherHow do I check which trades are eligible? In each tradeback voucher, click on the Information icon (i) to check the voucher details. In the Voucher details section, we display the eligible trading products and base currencies.

For parameters of open interest limits for expiry futures, please refer to: https://www.okx.com/trade-market/info/futures For parameters of open interest limits for perpetual futures, please refer to: https://www.okx.com/trade-market/info/swap For rules on platform position limit values for perpetual futures, refer to: https://www.okx.com/trade-market/info/swap Open API query: https://www.okx.com/docs-v5/en/#trading-account-rest-api-get-instruments Note: The relevant thresholds or parameters would