Bitcoin breaks under $80k as sellers press the tape
Bitcoin slid through the $80,000 floor overnight, printing a low near $79,345 before settling around $79,530. The last twelve hours lost roughly 1.3%, but almost the entire decline was packed into the final six hours, where the heaviest selling bar of the window struck. Buy aggressors did step in at the lows, yet cumulative flow remains net negative on the day.

Full analysis
BTCUSDT — The Breakdown: Sellers Finally Press Through $80k
Binance USDT-M, 1h. The prior window was a stall below $81k — a market that kept probing higher but could not hold. This window resolves that tension decisively: the $80,000 shelf gave way, and the decline was not a slow bleed but a concentrated tape-driven flush inside the last six hours.
The telling detail is *where* the volume landed. The two heaviest hourly bars of the entire 24-hour sample — 18,518 BTC at 23:00 and 19,966 BTC at 01:00 — both printed on the way down, not on the way up. That is initiative selling, not a quiet drift. The final two hours then show buy aggressors absorbing at the lows (positive delta of +729 and +73), but day-scoped CVD is still negative at −435.6, meaning the bounce is tentative until the cumulative tape flips.
The 12h vs 6h Comparison
| Window | Open | High | Low | Close | Net Move | Largest Hourly Bar (BTC) |
|---|---|---|---|---|---|---|
| Last 12h | 80,602.7 | 80,920.0 | 79,345.6 | 79,529.7 | −1.33% | 19,966 @ 01:00 |
| Last 6h | 80,235.8 | 80,699.8 | 79,345.6 | 79,529.7 | −0.88% | 19,966 @ 01:00 |
| Prior 12h | 80,819.4 | 80,929.5 | 80,059.0 | 80,602.6 | −0.27% | 9,874 @ 05:00 |
The key asymmetry: the prior 12 hours were a tight, quiet chop with a heavy bar of only ~9,874 BTC. The last 6 hours compressed the entire downside into a single aggressive leg, with the biggest bar roughly double the prior window's peak. This is a change of character, not a continuation of the drift.
Volume / Delta / CVD
| Metric | Reading | Read |
|---|---|---|
| 01:00 bar volume | 19,966 BTC | Heaviest bar — initiative selling into 79,345 low |
| 23:00 bar volume | 18,518 BTC | First break of 80k, sellers in control |
| Last 2h delta | +728.9 / +73.4 | Buy aggressors absorbing at the lows |
| Day CVD | −435.7 | Still net negative — bounce not yet confirmed |
The volume profile is lopsided: two bars account for a disproportionate share of turnover, both downside. The positive delta in the final hours is real but small relative to the selling that preceded it. This is absorption at the lows, not yet initiative buying.
Session Tone
The tape reads bearish with a tentative bid. The $80,000–$80,100 zone that had acted as support through the prior window is now overhead resistance. The low of $79,345 is the line to watch — a reclaim of $80,100 would be the first sign sellers are losing grip, while a break of $79,300 opens the next leg lower. Until CVD turns positive on the day, treat any bounce as a retest of broken support rather than a reversal.