Bitcoin faces first key test at $86K–89K after 13% weekly rally

• —Bitcoin climbed from $75,000 into the $86,000–89,000 zone, up 13% on the week
• —Average cost basis is about $88,000 for 18–24 month holders and near $90,000 for 6–12 month holders
• —RSI is printing bearish divergence, signaling fading buying pressure
• —Downside supports sit at $80,000–82,000 and $75,000–78,000; a break above $89,000 targets a new high