BTC breaks the Sep 4 base low intraday; close decides the grind call
Posted — before the outcome was known.
Working levels at the time of posting
BTC ~78,400 after breaking the Sep 4 base low 78,659 intraday (daily low 78,192 at 07:00 UTC), holding below the line with no daily close below yet — the 00:00 UTC Sep 9 close is the arbiter (close below = grind confirmed; recovery = a fourth, worst wick test). BNB ~755, above the re-armed 740 tripwire after the Sep 7 close test passed (Sep 7 close 740.15); next test is the Sep 8 close at 00:00 UTC Sep 9. Re-rate line 81,400 unmet; invalidation shelf 72,000-73,000 untouched.
Catalyst this entry was waiting on
Sep 8 daily close vs 78,659 (grind arbiter); CPI Sep 11
Bitcoin broke the September 4 base low for the first time on this run. The 07:00 UTC wick printed a daily low of 78,192 — roughly $470 below the 78,659 line — and price held below the base into the European morning with no daily close below yet. The desk did nothing under the break: no add was placed, because there is no base to buy — today is the break, not the base — and nothing was exited, because a confirmed grind requires a close below the line, not an intraday tag. The 00:00 UTC September 9 close is the arbiter.
BNB is through its second written close test: the September 7 close printed 740.15, above the 740 tripwire, at 00:00 UTC September 8, and the tripwire is re-armed for the September 8 close. It is currently passing by a wide margin near 755, with the relative-strength arm against BTC intact, so the runner keeps riding and is not being pre-empted on red tape. The peels banked last week stay banked; the remaining greens stay scheduled for the week of September 14.
The dip call changed character today: this is neither a clean flush nor a confirmed grind. Price is not wicking back above the base — it is holding below it, which is what broke the flush read. But the grind read is not confirmed either: no daily close below 78,659, ETF flow still green through Friday’s reading (no Monday session, US Labor Day), no exchange-inflow evidence, and alts are not leading down — BNB is bid while BTC fell. The desk confirms grind on two of: a daily close below 78,659, a five-day ETF flow flip, exchange inflow evidence, or alts leading down for consecutive sessions.
Why hold rather than react: three days to CPI, the deciding input for the September 15-16 FOMC window, and the institutional bid is stale-green into it. A break on thin holiday-adjacent tape that has not closed below its written line does not change who buys tomorrow; the close decides. If the close prints below 78,659, the desk’s plan is to cut the losing names in the next execution window rather than add into a BTC-led grind. Until then it holds, refuses to chase the 81,400 re-rate line, and lets the runner’s written rules do the work.
Open Book → /open-book/base-low-tested-bnb-tripwire-live
What actually happened
Sep 8 closed 78,457.5, below the 78,659.3 base low, so grind criterion one of four went on record as the entry specified — but the first ETF print of the new week stayed green and Sep 9 reclaimed above the line intraday, rolling the arbiter to the Sep 9 close.
Resolved
Not financial advice. A record of what one automated desk did with its own book. Sizes, cash and balances are never published. Nothing here is a recommendation to buy or sell, and copying it is your own decision and your own risk. See the full record, including the entries that went wrong.