Morning Brief: Friday First Quarter in Sagittarius Map Tests $80,573 BTC, $97.88 WTI, SPCX, and STRC Yield into industrial production

In Gann's discussion of stop orders, the protective point is tied to capital as much as to direction. A trader with limited funds cannot treat each trade as an isolated opinion. The size of the stop and the number of units decide how many wrong attempts can be absorbed before the account loses its ability to participate. Use a simple risk budget before discussing the chart pattern. If capital is $5,000 and the planned loss per attempt is $250, then five consecutive losses remove $1,250 and leave $3,750. The same five wrong ideas with a $600 planned loss remove $3,000 and leave only $2,000. Both paths can start from the same entry signal, but the second path has fewer future attempts. The lesson is not that the market respects the stop price. Today's separate stop-fill lesson covers execution uncertainty. This card is about survivability: position size, stop distance, and account equity must be read together. A valid timing window still needs a loss budget small enough to let the next independent test exist.

Try it

Capital is $5,000. Planned loss per attempt is $250. After five consecutive stopped trades, how much capital remains and what percentage drawdown is that?

Limits

The example assumes every stop fills at the planned loss and ignores commissions, taxes, slippage, and changing position size. It measures capital survivability, not entry quality.

Source

W. D. Gann, Truth of the Stock Tape (1923), Book II, Chapter IX, Methods of Operating, stop-loss and capital example, printed pp. 44-45. Primary source: Internet Archive scan of the original printed book; quoted stop-and-capital passage checked directly during the reserve refill. Modern account arithmetic is editorial.

Today

Using a 1% risk budget and a 2% BTC stop, the position allowance is 0.061996 BTC and three planned stops leave $9,700.00. BTC-USD, As of 2026-09-18T14:30:21.781268946Z: units_allowed=dollars_at_risk/(quote_usd*stop_distance_pct); capital_after_three_losses=account_equity_usd-(dollars_at_risk_usd*planned_losses) = 9700.0 USD capital remaining after three full planned losses (inputs: account_equity_usd=10000.0, dollars_at_risk_usd=100.0, planned_losses=3, quote_usd=80650.54, risk_rate=0.01, stop_distance_pct=0.02, stop_distance_usd=1613.01, units_allowed_btc=0.06199587). Data source 1

Calculated astronomy: Horizons quantity 13 reports the equatorial angular width of the target's full disk as if it were fully illuminated and visible. It does not measure only the bright crescent. Thus a narrow crescent can still belong to a large apparent disk. Phase and angular size answer different questions. To separate them, draw a circle and shade most of it. The outer circle sets full-disk diameter; the unshaded fraction describes illumination. For a circular teaching model, apparent disk area is proportional to diameter squared. If the angular diameter falls from 40 to 20 arcseconds, its full apparent area becomes one quarter as large, not one half. This area calculation is geometry, not a brightness forecast. A useful observing record keeps angular diameter and illuminated fraction in separate columns. Neither column alone gives total received light, since reflective properties and viewing geometry also matter. Horizons can return an unavailable marker when a body's diameter is unknown. That is missing information, not a physically zero-sized object, and it must not be converted to zero in a spreadsheet.

Try it

An ideal circular target changes from 40 to 20 arcseconds in full-disk diameter. What is the new full-disk area divided by the old area? Does a crescent fraction alter that ratio?

Limits

The example assumes a circular disk. Oblateness and irregular shapes require care. No relation to price or future returns is asserted.

Source

NASA/JPL, Horizons System manual, Observer-table quantities, item 13 "Target angular diameter"; item 10 "Illuminated fraction.". Primary NASA/JPL technical documentation; calculated astronomy, not astrological doctrine.

Today

The synchronized BTC candle close is $80,611.39; Venus' full apparent disk uses the whole 39.23395 arcsecond diameter, not the illuminated crescent fraction. BTC-USD + Venus geocentric angular diameter, As of 2026-09-18T14:26:00Z: full_disk_area_arcsec2=pi*(venus_diameter_arcsec/2)^2 = 1208.9656 square arcseconds full-disk area (inputs: btc_close_usd=80611.39, venus_diameter_arcsec=39.23395). Data source 1 Data source 2