Spot prices have been seesawing within the $85,700–$87,000 range. The clearest structural feature at present, $BTC , is the squeeze zone formed by the cost of incremental positions and the average cost basis of existing holdings. Institutions recently added 2,000 coins at $84,422. Combined with their concentrated buying in the $79,000–$84,500 range earlier, this has reinforced a key line of defense for bulls at this high-volume trading zone.

On the upside, $90,170 is not only the full-position cost basis for listed treasuries, representing a roughly 5% premium over the current spot price, but also a dense resistance zone where traders were trapped during the previous consolidation. To break out of the range and open up room to rise, bulls must hold above $90,170 on sustained, rising volume. If prices reach this zone but stall amid heavy volume, selling pressure from holders looking to break even could quickly fuel a pullback, pushing prices back into the range to seek a bottom.

The key structural support levels below are clear. The $84,400 area, the floor for the latest large-scale buying, is an anchor for short-term bullish sentiment. The more critical defensive zone lies between $78,880 and $79,000. A pullback below $79,000 would break the institutional buying support structure built since the third quarter, undermining the consolidation-bottoming thesis and exposing the market to a deeper test of downside liquidity.