According to @rovercrc, ETH needs to break and hold above $5,000 for altseason to kick in, identifying $5,000 as the key confirmation level for broader altcoin momentum, source: @rovercrc on X, Oct 15, 2025. Traders watching for altseason may monitor whether ETH achieves a confirmed breakout and sustained hold above $5,000 before positioning for wider altcoin strength, source: @rovercrc on X, Oct 15, 2025. If ETH fails to hold above $5,000, the altseason condition outlined is not met and broader altcoin follow-through would likely be delayed per the stated criterion, source: @rovercrc on X, Oct 15, 2025.