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 OMXH25 index performance between 1988 and 2012 | |
| Foundation | 4 March 1988 |
|---|---|
| Operator | Nasdaq, Inc. |
| Exchanges | Nasdaq Helsinki |
| Constituents | 25 |
| Type | Large cap |
| Weighting method | Capitalization-weighted |
| Website | Official website |
| ISIN | FI0008900212 |
| Reuters | .OMXH25 |
| Bloomberg | HEX25:IND |
OMX Helsinki 25 (OMXH25, formerly HEX25) is a stock market index for the 25 most traded stocks on the Nasdaq Helsinki stock exchange. It is a price return and capitalization-weighted index. The maximum weight for a single stock is limited to 10 percent.[1]
The OMXH25 index started on 4 March 1988 with a base value of 500.[1] It is reconstituted semi-annually on the first trading day in February and August and rebalanced quarterly in February, May, August and November.[2] The original name of the index was HEX25, but following the merger of Optionsmäklarna (OM AB) and Helsinki Stock Exchange (HEX Plc), it was changed to OMXH25 on 15 November 2004.[3][4]
On 30 June 2014, Nasdaq launched a total return version of the OMX Helsinki 25 index, the OMX Helsinki 25 Gross Index (OMXH25GI). Unlike the regular OMXH25 index, the OMXH25GI includes reinvested dividends.[5][6]
- ^ a b "Overview for OMXH25". indexes.nasdaqomx.com. Retrieved 28 February 2025.
- ^ "Index Methodology OMXH25" (PDF). indexes.nasdaqomx.com. Retrieved 28 February 2025.
- ^ "OM to merge with Hex under new chief". fnlondon.com. 20 May 2003. Retrieved 28 February 2025.
- ^ "OMXS30 and OMXH25 - the new index names on OMX and HEX25". nasdaq.com. 10 November 2004. Archived from the original on 5 August 2024. Retrieved 28 February 2025.
- ^ "OMX Helsinki 25 –indeksin puolivuotistarkistuksen tulokset". globenewswire.com (in Finnish). 8 July 2014. Retrieved 28 February 2025.
- ^ "Overview for OMXH25GI". indexes.nasdaqomx.com. Retrieved 28 February 2025.
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