LONDON — FTSE 100 rose +0.80% to 10,743.44 while its cash session was still open at 17 September 2026 at 12:42. The observation came from Yahoo Finance public chart. FTSE 100 data time is retained separately from CapKet’s later publication time, preventing an editorial timestamp from masquerading as a market tick.

FTSE 100: A second reference point

FTSE 100 moved +0.51% from CapKet’s saved 16 September 2026 at 16:35 checkpoint of 10,688.47. That interval comparison is separate from the provider’s +0.80% reference change. Within the recorded 10,689.26–10,788.30 span, the observation sat 54.7% of the way from the low to the high; the listed open was 10,689.27. FTSE 100 moved between recorded fields, but that fact alone does not reveal whether news, liquidity or positioning dominated.

Latest level 10,743.44 GBP
Previous close 10,658.10 GBP
Provider change +0.80%
Session state open
Recorded range 10,689.26–10,788.30

FTSE 100: How to read this instrument

Many FTSE 100 members earn substantial revenue outside Britain, so sterling can influence the index alongside UK rates and company news. The large-cap benchmark should not be described as a complete measure of the domestic economy.

the instrument owner’s reference page supplies the formal identification. The reference page fixes what FTSE 100 represents. That boundary prevents a related derivative, spot series or consumer price from being silently substituted.

FTSE 100: Checks before the next report

Wait for London’s closing calculation, then examine sterling, gilt yields, energy shares and sector breadth rather than converting this intraday reading into a final close.

FTSE 100 context will be updated only when a source adds material information capable of testing the proposed explanation.

FTSE 100 publication record

FTSE 100 will receive a fresh URL if a materially later checkpoint warrants another story; this preserved page will not be rewritten into a different market event.

FTSE 100 reader note

CapKet does not certify FTSE 100 as real-time or settlement data. Independent verification is necessary before any financial decision. No third-party chart or commentary was copied.