THESIS HISTORIES

US stock market froth

A dated record of the published view. A carried reading keeps its last assessment date.

End line

No end line is registered for this lane yet.

· UNDER REVIEW

Last assessed 2026-10-21.

Rule: INVALIDATED

Washington tightened sanctions on Iran's shadow fleet. Oil barely moved.

· UNDER REVIEW

Rule: INVALIDATED

The S&P 500 closed Tuesday at 7,712.57, up 0.28 percent, while the semiconductor index fell 0.29 percent.

Next test: The Fed's decision, October 28.

Brent's far end held for a fifth quiet day. That counts against the demand-slump view.

· UNDER REVIEW

Rule: INVALIDATED

The S&P 500 closed Monday at 7,690.73, up 0.4 percent.

Next test: The Fed's decision, October 28.

Brent barely moved on Monday. One more quiet session would count against the demand-slump view.

· UNDER REVIEW

Last assessed 2026-10-18.

Rule: INVALIDATED

The index last closed at 7,659.44, on Friday.

Next test: The October 19 close, read in the October 20 issue, moved from October 19: the session ends after this issue.

Ukraine hit two oil sites in Saint Petersburg. Brent eased early Monday.

· UNDER REVIEW

Rule: INVALIDATED

Friday's close of 7,659.44 left the index below every close of its August record week.

Next test: Monday's close, October 19.

Oil rose and chips fell Friday. Trump waived new Russia duties that night.

· UNDER REVIEW

Rule: INVALIDATED

Thursday's close of 7,744.06 was up on the day and still below the August 13 record of 7,798.99.

Next test: Friday's close, October 16.

TSMC's strong quarter did not lift chip stocks. The rest of the market bounced.

· UNDER REVIEW

Rule: INVALIDATED

Wednesday's close of 7,718.94 was below every close of the August 13 record week.

Next test: Thursday's close, the first after September's retail sales and producer price reports, October 15.

Chips fell more than 4 percent. A day later, TSMC posted a strong quarter.

· UNCONFIRMED

Rule: FIRED

The S&P 500 closed Tuesday at 7,805.45, about flat on the day.

Next test: The first close after September's inflation report, October 14.

Brent's front month fell. December 2027 rose.

· UNCONFIRMED

Rule: FIRED

The S&P 500 closed Monday at 7,807.24, a little below Friday's close.

Next test: September inflation, October 14.

Gulf oil shut-ins fell Monday. Brent rose anyway.

· UNCONFIRMED

Rule: FIRED

The S&P 500 closed above its August 13 record on October 6 and ended Friday at 7,811.54, up about 0.6 percent.

Next test: September inflation, October 14.

Gulf oil shut-ins eased Sunday. Another tanker was struck in Hormuz.