[HTX Launches WLFI Flexible Savings with 20% APY and No Limit] After the debut of WLFI last night, HTX has now introduced WLFI flexible savings. 20% APY, not tiered, just the actual annualized yield. No limit on the amount either. If you’re holding WLFI but not planning to sell it right away, you might want to check it out. After all, holding is holding—flexible savings let you redeem anytime when you’re ready to sell.