Diploma stock sits 2.07 percent below its 52-week high

Published on 10/15/2026 at 21:18 | Editorial responsibility: Rafael Müller, Editor-in-Chief AD HOC NEWS

Diploma posted a 22.50 percent adjusted margin in fiscal year 2025. Diploma stock costs EUR 92.93 on October 15, 2026, down 1.45 percent on LSE.

Calendar and valuation

Diploma stock stood 2.07 percent below its 52-week high on October 15, 2026.
Fiscal year 2025 included a 22.50 percent adjusted operating profit margin.
Diploma stock costs EUR 92.93 at Lang & Schwarz on October 15, 2026 at 9:10 p.m. CEST, down 1.45 percent versus the LSE prior close.
Diploma plans preliminary results and a final dividend announcement for November 17, 2026.

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Diploma stock sat 2.07 percent below its 52-week high of GBp 7,980 on October 15, 2026. The company's investor calendar lists preliminary fiscal year 2026 results and a final dividend announcement for November 17, 2026, according to Diploma. The stock was trading at EUR 92.93 at Lang & Schwarz on October 15, 2026 at 9:10 p.m. CEST, down 1.45 percent versus the LSE prior close.

Fiscal year 2025 margin reached 22.50 percent

Diploma's fiscal year 2025 highlights showed an adjusted operating profit margin of 22.50 percent. The same investor update recorded 12.00 percent revenue growth, 11.00 percent organic revenue growth and 21.00 percent adjusted earnings-per-share growth. Free cash flow conversion was 105.00 percent, while net debt stood at 0.80 times adjusted earnings before interest, taxes, depreciation and amortization. These figures give the November results a clear test: sustaining margin discipline while the group continues to expand.

The yearly range leaves 2.07 percent

The London-listed quote was last at GBp 7,815 on October 15, 2026 at 4:40 p.m. London time, compared with a GBp 7,930 prior close. Its 52-week range was GBp 4,970 to GBp 7,980, placing the price 2.07 percent below the upper boundary. The move is weaker than Bunzl's 2.08 percent gain on the same day but stronger than discoverIE Group's 5.78 percent decline.

Valuation and November 17 date

Diploma's market capitalization was GBP 10.5 billion, and its price-to-earnings ratio was 55.82 as of October 15, 2026. The November 17 date combines the preliminary results with the final dividend announcement, according to Diploma. The calendar therefore gives investors a defined checkpoint for the next update on growth, cash generation and capital allocation.

Comparison with peers

Diploma (LSE, GBp): minus 1.45 percent, P/E 55.82, market capitalization GBP 10.5 billion.
Bunzl (LSE, GBp): plus 2.08 percent, P/E 15.88, market capitalization GBP 8.9 billion.
discoverIE Group (LSE, GBp): minus 5.78 percent, P/E 27.17, market capitalization GBP 0.8 billion.

Price remains below the yearly high

The 2.07 percent distance from Diploma's 52-week high keeps the share near the top of its annual range, while the 55.82 price-to-earnings ratio places valuation alongside the November reporting date as the main market reference. The further course of trading is shown by the continuously updated real-time quote of Diploma stock.